diff --git a/securemail/composer.json b/securemail/composer.json new file mode 100644 index 000000000..14a2ca9a7 --- /dev/null +++ b/securemail/composer.json @@ -0,0 +1,21 @@ +{ + "name": "friendica-addons/securemail", + "description": "Send notification mail encrypted with user-defined public GPG key.", + "type": "friendica-addon", + "authors": [ + { + "name": "Fabio Comuni", + "homepage": "https://kirgroup.com/profile/fabrixxm", + "role": "Developer" + } + ], + "require": { + "phpseclib/phpseclib": "^2.0", + "singpolyma/openpgp-php": "^0.3.0" + }, + "license": "AGPL-3.0+", + "minimum-stability": "stable", + "config": { + "autoloader-suffix": "SecuremailAddon" + } +} diff --git a/securemail/composer.lock b/securemail/composer.lock new file mode 100644 index 000000000..08de39724 --- /dev/null +++ b/securemail/composer.lock @@ -0,0 +1,153 @@ +{ + "_readme": [ + "This file locks the dependencies of your project to a known state", + "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", + "This file is @generated automatically" + ], + "content-hash": "b3a33a493eae34d9245ca7cc1b4572ea", + "packages": [ + { + "name": "phpseclib/phpseclib", + "version": "2.0.4", + "source": { + "type": "git", + "url": "https://github.com/phpseclib/phpseclib.git", + "reference": "ab8028c93c03cc8d9c824efa75dc94f1db2369bf" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/ab8028c93c03cc8d9c824efa75dc94f1db2369bf", + "reference": "ab8028c93c03cc8d9c824efa75dc94f1db2369bf", + "shasum": "" + }, + "require": { + "php": ">=5.3.3" + }, + "require-dev": { + "phing/phing": "~2.7", + "phpunit/phpunit": "~4.0", + "sami/sami": "~2.0", + "squizlabs/php_codesniffer": "~2.0" + }, + "suggest": { + "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.", + "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.", + "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.", + "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations." + }, + "type": "library", + "autoload": { + "files": [ + "phpseclib/bootstrap.php" + ], + "psr-4": { + "phpseclib\\": "phpseclib/" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Jim Wigginton", + "email": "terrafrost@php.net", + "role": "Lead Developer" + }, + { + "name": "Patrick Monnerat", + "email": "pm@datasphere.ch", + "role": "Developer" + }, + { + "name": "Andreas Fischer", + "email": "bantu@phpbb.com", + "role": "Developer" + }, + { + "name": "Hans-Jürgen Petrich", + "email": "petrich@tronic-media.com", + "role": "Developer" + }, + { + "name": "Graham Campbell", + "email": "graham@alt-three.com", + "role": "Developer" + } + ], + "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.", + "homepage": "http://phpseclib.sourceforge.net", + "keywords": [ + "BigInteger", + "aes", + "asn.1", + "asn1", + "blowfish", + "crypto", + "cryptography", + "encryption", + "rsa", + "security", + "sftp", + "signature", + "signing", + "ssh", + "twofish", + "x.509", + "x509" + ], + "time": "2016-10-04T00:57:04+00:00" + }, + { + "name": "singpolyma/openpgp-php", + "version": "0.3.0", + "source": { + "type": "git", + "url": "https://github.com/singpolyma/openpgp-php.git", + "reference": "6006111bbc4c3b6cb8f0acb7d6c4a7047df366e8" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/singpolyma/openpgp-php/zipball/6006111bbc4c3b6cb8f0acb7d6c4a7047df366e8", + "reference": "6006111bbc4c3b6cb8f0acb7d6c4a7047df366e8", + "shasum": "" + }, + "require": { + "phpseclib/phpseclib": ">=2.0.0 <=2.0.4" + }, + "require-dev": { + "phpunit/phpunit": "~4.0" + }, + "type": "library", + "autoload": { + "classmap": [ + "lib/" + ] + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "Unlicense" + ], + "authors": [ + { + "name": "Arto Bendiken", + "email": "arto.bendiken@gmail.com" + }, + { + "name": "Stephen Paul Weber", + "email": "singpolyma@singpolyma.net" + } + ], + "description": "Pure-PHP implementation of the OpenPGP Message Format (RFC 4880)", + "time": "2017-04-12T21:23:15+00:00" + } + ], + "packages-dev": [], + "aliases": [], + "minimum-stability": "stable", + "stability-flags": [], + "prefer-stable": false, + "prefer-lowest": false, + "platform": [], + "platform-dev": [] +} diff --git a/securemail/vendor/autoload.php b/securemail/vendor/autoload.php new file mode 100644 index 000000000..eebfd6c52 --- /dev/null +++ b/securemail/vendor/autoload.php @@ -0,0 +1,7 @@ + + * Jordi Boggiano + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Composer\Autoload; + +/** + * ClassLoader implements a PSR-0, PSR-4 and classmap class loader. + * + * $loader = new \Composer\Autoload\ClassLoader(); + * + * // register classes with namespaces + * $loader->add('Symfony\Component', __DIR__.'/component'); + * $loader->add('Symfony', __DIR__.'/framework'); + * + * // activate the autoloader + * $loader->register(); + * + * // to enable searching the include path (eg. for PEAR packages) + * $loader->setUseIncludePath(true); + * + * In this example, if you try to use a class in the Symfony\Component + * namespace or one of its children (Symfony\Component\Console for instance), + * the autoloader will first look for the class under the component/ + * directory, and it will then fallback to the framework/ directory if not + * found before giving up. + * + * This class is loosely based on the Symfony UniversalClassLoader. + * + * @author Fabien Potencier + * @author Jordi Boggiano + * @see http://www.php-fig.org/psr/psr-0/ + * @see http://www.php-fig.org/psr/psr-4/ + */ +class ClassLoader +{ + // PSR-4 + private $prefixLengthsPsr4 = array(); + private $prefixDirsPsr4 = array(); + private $fallbackDirsPsr4 = array(); + + // PSR-0 + private $prefixesPsr0 = array(); + private $fallbackDirsPsr0 = array(); + + private $useIncludePath = false; + private $classMap = array(); + private $classMapAuthoritative = false; + private $missingClasses = array(); + private $apcuPrefix; + + public function getPrefixes() + { + if (!empty($this->prefixesPsr0)) { + return call_user_func_array('array_merge', $this->prefixesPsr0); + } + + return array(); + } + + public function getPrefixesPsr4() + { + return $this->prefixDirsPsr4; + } + + public function getFallbackDirs() + { + return $this->fallbackDirsPsr0; + } + + public function getFallbackDirsPsr4() + { + return $this->fallbackDirsPsr4; + } + + public function getClassMap() + { + return $this->classMap; + } + + /** + * @param array $classMap Class to filename map + */ + public function addClassMap(array $classMap) + { + if ($this->classMap) { + $this->classMap = array_merge($this->classMap, $classMap); + } else { + $this->classMap = $classMap; + } + } + + /** + * Registers a set of PSR-0 directories for a given prefix, either + * appending or prepending to the ones previously set for this prefix. + * + * @param string $prefix The prefix + * @param array|string $paths The PSR-0 root directories + * @param bool $prepend Whether to prepend the directories + */ + public function add($prefix, $paths, $prepend = false) + { + if (!$prefix) { + if ($prepend) { + $this->fallbackDirsPsr0 = array_merge( + (array) $paths, + $this->fallbackDirsPsr0 + ); + } else { + $this->fallbackDirsPsr0 = array_merge( + $this->fallbackDirsPsr0, + (array) $paths + ); + } + + return; + } + + $first = $prefix[0]; + if (!isset($this->prefixesPsr0[$first][$prefix])) { + $this->prefixesPsr0[$first][$prefix] = (array) $paths; + + return; + } + if ($prepend) { + $this->prefixesPsr0[$first][$prefix] = array_merge( + (array) $paths, + $this->prefixesPsr0[$first][$prefix] + ); + } else { + $this->prefixesPsr0[$first][$prefix] = array_merge( + $this->prefixesPsr0[$first][$prefix], + (array) $paths + ); + } + } + + /** + * Registers a set of PSR-4 directories for a given namespace, either + * appending or prepending to the ones previously set for this namespace. + * + * @param string $prefix The prefix/namespace, with trailing '\\' + * @param array|string $paths The PSR-4 base directories + * @param bool $prepend Whether to prepend the directories + * + * @throws \InvalidArgumentException + */ + public function addPsr4($prefix, $paths, $prepend = false) + { + if (!$prefix) { + // Register directories for the root namespace. + if ($prepend) { + $this->fallbackDirsPsr4 = array_merge( + (array) $paths, + $this->fallbackDirsPsr4 + ); + } else { + $this->fallbackDirsPsr4 = array_merge( + $this->fallbackDirsPsr4, + (array) $paths + ); + } + } elseif (!isset($this->prefixDirsPsr4[$prefix])) { + // Register directories for a new namespace. + $length = strlen($prefix); + if ('\\' !== $prefix[$length - 1]) { + throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); + } + $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; + $this->prefixDirsPsr4[$prefix] = (array) $paths; + } elseif ($prepend) { + // Prepend directories for an already registered namespace. + $this->prefixDirsPsr4[$prefix] = array_merge( + (array) $paths, + $this->prefixDirsPsr4[$prefix] + ); + } else { + // Append directories for an already registered namespace. + $this->prefixDirsPsr4[$prefix] = array_merge( + $this->prefixDirsPsr4[$prefix], + (array) $paths + ); + } + } + + /** + * Registers a set of PSR-0 directories for a given prefix, + * replacing any others previously set for this prefix. + * + * @param string $prefix The prefix + * @param array|string $paths The PSR-0 base directories + */ + public function set($prefix, $paths) + { + if (!$prefix) { + $this->fallbackDirsPsr0 = (array) $paths; + } else { + $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths; + } + } + + /** + * Registers a set of PSR-4 directories for a given namespace, + * replacing any others previously set for this namespace. + * + * @param string $prefix The prefix/namespace, with trailing '\\' + * @param array|string $paths The PSR-4 base directories + * + * @throws \InvalidArgumentException + */ + public function setPsr4($prefix, $paths) + { + if (!$prefix) { + $this->fallbackDirsPsr4 = (array) $paths; + } else { + $length = strlen($prefix); + if ('\\' !== $prefix[$length - 1]) { + throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); + } + $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; + $this->prefixDirsPsr4[$prefix] = (array) $paths; + } + } + + /** + * Turns on searching the include path for class files. + * + * @param bool $useIncludePath + */ + public function setUseIncludePath($useIncludePath) + { + $this->useIncludePath = $useIncludePath; + } + + /** + * Can be used to check if the autoloader uses the include path to check + * for classes. + * + * @return bool + */ + public function getUseIncludePath() + { + return $this->useIncludePath; + } + + /** + * Turns off searching the prefix and fallback directories for classes + * that have not been registered with the class map. + * + * @param bool $classMapAuthoritative + */ + public function setClassMapAuthoritative($classMapAuthoritative) + { + $this->classMapAuthoritative = $classMapAuthoritative; + } + + /** + * Should class lookup fail if not found in the current class map? + * + * @return bool + */ + public function isClassMapAuthoritative() + { + return $this->classMapAuthoritative; + } + + /** + * APCu prefix to use to cache found/not-found classes, if the extension is enabled. + * + * @param string|null $apcuPrefix + */ + public function setApcuPrefix($apcuPrefix) + { + $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null; + } + + /** + * The APCu prefix in use, or null if APCu caching is not enabled. + * + * @return string|null + */ + public function getApcuPrefix() + { + return $this->apcuPrefix; + } + + /** + * Registers this instance as an autoloader. + * + * @param bool $prepend Whether to prepend the autoloader or not + */ + public function register($prepend = false) + { + spl_autoload_register(array($this, 'loadClass'), true, $prepend); + } + + /** + * Unregisters this instance as an autoloader. + */ + public function unregister() + { + spl_autoload_unregister(array($this, 'loadClass')); + } + + /** + * Loads the given class or interface. + * + * @param string $class The name of the class + * @return bool|null True if loaded, null otherwise + */ + public function loadClass($class) + { + if ($file = $this->findFile($class)) { + includeFile($file); + + return true; + } + } + + /** + * Finds the path to the file where the class is defined. + * + * @param string $class The name of the class + * + * @return string|false The path if found, false otherwise + */ + public function findFile($class) + { + // class map lookup + if (isset($this->classMap[$class])) { + return $this->classMap[$class]; + } + if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) { + return false; + } + if (null !== $this->apcuPrefix) { + $file = apcu_fetch($this->apcuPrefix.$class, $hit); + if ($hit) { + return $file; + } + } + + $file = $this->findFileWithExtension($class, '.php'); + + // Search for Hack files if we are running on HHVM + if (false === $file && defined('HHVM_VERSION')) { + $file = $this->findFileWithExtension($class, '.hh'); + } + + if (null !== $this->apcuPrefix) { + apcu_add($this->apcuPrefix.$class, $file); + } + + if (false === $file) { + // Remember that this class does not exist. + $this->missingClasses[$class] = true; + } + + return $file; + } + + private function findFileWithExtension($class, $ext) + { + // PSR-4 lookup + $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext; + + $first = $class[0]; + if (isset($this->prefixLengthsPsr4[$first])) { + $subPath = $class; + while (false !== $lastPos = strrpos($subPath, '\\')) { + $subPath = substr($subPath, 0, $lastPos); + $search = $subPath . '\\'; + if (isset($this->prefixDirsPsr4[$search])) { + $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1); + foreach ($this->prefixDirsPsr4[$search] as $dir) { + if (file_exists($file = $dir . $pathEnd)) { + return $file; + } + } + } + } + } + + // PSR-4 fallback dirs + foreach ($this->fallbackDirsPsr4 as $dir) { + if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) { + return $file; + } + } + + // PSR-0 lookup + if (false !== $pos = strrpos($class, '\\')) { + // namespaced class name + $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1) + . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR); + } else { + // PEAR-like class name + $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext; + } + + if (isset($this->prefixesPsr0[$first])) { + foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) { + if (0 === strpos($class, $prefix)) { + foreach ($dirs as $dir) { + if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { + return $file; + } + } + } + } + } + + // PSR-0 fallback dirs + foreach ($this->fallbackDirsPsr0 as $dir) { + if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { + return $file; + } + } + + // PSR-0 include paths. + if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) { + return $file; + } + + return false; + } +} + +/** + * Scope isolated include. + * + * Prevents access to $this/self from included files. + */ +function includeFile($file) +{ + include $file; +} diff --git a/securemail/vendor/composer/LICENSE b/securemail/vendor/composer/LICENSE new file mode 100644 index 000000000..f27399a04 --- /dev/null +++ b/securemail/vendor/composer/LICENSE @@ -0,0 +1,21 @@ + +Copyright (c) Nils Adermann, Jordi Boggiano + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is furnished +to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + diff --git a/securemail/vendor/composer/autoload_classmap.php b/securemail/vendor/composer/autoload_classmap.php new file mode 100644 index 000000000..65b2f24d8 --- /dev/null +++ b/securemail/vendor/composer/autoload_classmap.php @@ -0,0 +1,58 @@ + $vendorDir . '/singpolyma/openpgp-php/lib/openpgp_mcrypt_wrapper.php', + 'OpenPGP' => $vendorDir . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_AsymmetricSessionKeyPacket' => $vendorDir . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_CompressedDataPacket' => $vendorDir . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_Crypt_RSA' => $vendorDir . '/singpolyma/openpgp-php/lib/openpgp_crypt_rsa.php', + 'OpenPGP_Crypt_Symmetric' => $vendorDir . 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'/phpseclib/phpseclib/phpseclib/bootstrap.php', +); diff --git a/securemail/vendor/composer/autoload_namespaces.php b/securemail/vendor/composer/autoload_namespaces.php new file mode 100644 index 000000000..b7fc0125d --- /dev/null +++ b/securemail/vendor/composer/autoload_namespaces.php @@ -0,0 +1,9 @@ + array($vendorDir . '/phpseclib/phpseclib/phpseclib'), +); diff --git a/securemail/vendor/composer/autoload_real.php b/securemail/vendor/composer/autoload_real.php new file mode 100644 index 000000000..5b57bd5ab --- /dev/null +++ b/securemail/vendor/composer/autoload_real.php @@ -0,0 +1,70 @@ += 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded()); + if ($useStaticLoader) { + require_once __DIR__ . '/autoload_static.php'; + + call_user_func(\Composer\Autoload\ComposerStaticInitSecuremailAddon::getInitializer($loader)); + } else { + $map = require __DIR__ . '/autoload_namespaces.php'; + foreach ($map as $namespace => $path) { + $loader->set($namespace, $path); + } + + $map = require __DIR__ . '/autoload_psr4.php'; + foreach ($map as $namespace => $path) { + $loader->setPsr4($namespace, $path); + } + + $classMap = require __DIR__ . '/autoload_classmap.php'; + if ($classMap) { + $loader->addClassMap($classMap); + } + } + + $loader->register(true); + + if ($useStaticLoader) { + $includeFiles = Composer\Autoload\ComposerStaticInitSecuremailAddon::$files; + } else { + $includeFiles = require __DIR__ . '/autoload_files.php'; + } + foreach ($includeFiles as $fileIdentifier => $file) { + composerRequireSecuremailAddon($fileIdentifier, $file); + } + + return $loader; + } +} + +function composerRequireSecuremailAddon($fileIdentifier, $file) +{ + if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) { + require $file; + + $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true; + } +} diff --git a/securemail/vendor/composer/autoload_static.php b/securemail/vendor/composer/autoload_static.php new file mode 100644 index 000000000..fa77ac928 --- /dev/null +++ b/securemail/vendor/composer/autoload_static.php @@ -0,0 +1,88 @@ + __DIR__ . '/..' . '/phpseclib/phpseclib/phpseclib/bootstrap.php', + ); + + public static $prefixLengthsPsr4 = array ( + 'p' => + array ( + 'phpseclib\\' => 10, + ), + ); + + public static $prefixDirsPsr4 = array ( + 'phpseclib\\' => + array ( + 0 => __DIR__ . '/..' . '/phpseclib/phpseclib/phpseclib', + ), + ); + + public static $classMap = array ( + 'MCryptWrapper' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp_mcrypt_wrapper.php', + 'OpenPGP' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_AsymmetricSessionKeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_CompressedDataPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_Crypt_RSA' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp_crypt_rsa.php', + 'OpenPGP_Crypt_Symmetric' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp_crypt_symmetric.php', + 'OpenPGP_EncryptedDataPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_ExperimentalPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_IntegrityProtectedDataPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_LiteralDataPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_MarkerPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_Message' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_ModificationDetectionCodePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_OnePassSignaturePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_Packet' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_PublicKeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_PublicSubkeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_S2K' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SecretKeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SecretSubkeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_EmbeddedSignaturePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_ExportableCertificationPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_FeaturesPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_IssuerPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_KeyExpirationTimePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_KeyFlagsPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_KeyServerPreferencesPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_NotationDataPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_PolicyURIPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_PreferredCompressionAlgorithmsPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_PreferredHashAlgorithmsPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_PreferredKeyServerPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_PreferredSymmetricAlgorithmsPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_PrimaryUserIDPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_ReasonforRevocationPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_RegularExpressionPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_RevocablePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_RevocationKeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_SignatureCreationTimePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_SignatureExpirationTimePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_SignatureTargetPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_SignersUserIDPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_Subpacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SignaturePacket_TrustSignaturePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_SymmetricSessionKeyPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_TrustPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_UserAttributePacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + 'OpenPGP_UserIDPacket' => __DIR__ . '/..' . '/singpolyma/openpgp-php/lib/openpgp.php', + ); + + public static function getInitializer(ClassLoader $loader) + { + return \Closure::bind(function () use ($loader) { + $loader->prefixLengthsPsr4 = ComposerStaticInitSecuremailAddon::$prefixLengthsPsr4; + $loader->prefixDirsPsr4 = ComposerStaticInitSecuremailAddon::$prefixDirsPsr4; + $loader->classMap = ComposerStaticInitSecuremailAddon::$classMap; + + }, null, ClassLoader::class); + } +} diff --git a/securemail/vendor/composer/installed.json b/securemail/vendor/composer/installed.json new file mode 100644 index 000000000..8181f155d --- /dev/null +++ b/securemail/vendor/composer/installed.json @@ -0,0 +1,141 @@ +[ + { + "name": "phpseclib/phpseclib", + "version": "2.0.4", + "version_normalized": "2.0.4.0", + "source": { + "type": "git", + "url": "https://github.com/phpseclib/phpseclib.git", + "reference": "ab8028c93c03cc8d9c824efa75dc94f1db2369bf" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/ab8028c93c03cc8d9c824efa75dc94f1db2369bf", + "reference": "ab8028c93c03cc8d9c824efa75dc94f1db2369bf", + "shasum": "" + }, + "require": { + "php": ">=5.3.3" + }, + "require-dev": { + "phing/phing": "~2.7", + "phpunit/phpunit": "~4.0", + "sami/sami": "~2.0", + "squizlabs/php_codesniffer": "~2.0" + }, + "suggest": { + "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.", + "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.", + "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.", + "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations." + }, + "time": "2016-10-04T00:57:04+00:00", + "type": "library", + "installation-source": "dist", + "autoload": { + "files": [ + "phpseclib/bootstrap.php" + ], + "psr-4": { + "phpseclib\\": "phpseclib/" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Jim Wigginton", + "email": "terrafrost@php.net", + "role": "Lead Developer" + }, + { + "name": "Patrick Monnerat", + "email": "pm@datasphere.ch", + "role": "Developer" + }, + { + "name": "Andreas Fischer", + "email": "bantu@phpbb.com", + "role": "Developer" + }, + { + "name": "Hans-Jürgen Petrich", + "email": "petrich@tronic-media.com", + "role": "Developer" + }, + { + "name": "Graham Campbell", + "email": "graham@alt-three.com", + "role": "Developer" + } + ], + "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.", + "homepage": "http://phpseclib.sourceforge.net", + "keywords": [ + "BigInteger", + "aes", + "asn.1", + "asn1", + "blowfish", + "crypto", + "cryptography", + "encryption", + "rsa", + "security", + "sftp", + "signature", + "signing", + "ssh", + "twofish", + "x.509", + "x509" + ] + }, + { + "name": "singpolyma/openpgp-php", + "version": "0.3.0", + "version_normalized": "0.3.0.0", + "source": { + "type": "git", + "url": "https://github.com/singpolyma/openpgp-php.git", + "reference": "6006111bbc4c3b6cb8f0acb7d6c4a7047df366e8" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/singpolyma/openpgp-php/zipball/6006111bbc4c3b6cb8f0acb7d6c4a7047df366e8", + "reference": "6006111bbc4c3b6cb8f0acb7d6c4a7047df366e8", + "shasum": "" + }, + "require": { + "phpseclib/phpseclib": ">=2.0.0 <=2.0.4" + }, + "require-dev": { + "phpunit/phpunit": "~4.0" + }, + "time": "2017-04-12T21:23:15+00:00", + "type": "library", + "installation-source": "dist", + "autoload": { + "classmap": [ + "lib/" + ] + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "Unlicense" + ], + "authors": [ + { + "name": "Arto Bendiken", + "email": "arto.bendiken@gmail.com" + }, + { + "name": "Stephen Paul Weber", + "email": "singpolyma@singpolyma.net" + } + ], + "description": "Pure-PHP implementation of the OpenPGP Message Format (RFC 4880)" + } +] diff --git a/securemail/vendor/phpseclib/phpseclib/AUTHORS b/securemail/vendor/phpseclib/phpseclib/AUTHORS index e175f9f22..a08b3099c 100644 --- a/securemail/vendor/phpseclib/phpseclib/AUTHORS +++ b/securemail/vendor/phpseclib/phpseclib/AUTHORS @@ -3,3 +3,4 @@ phpseclib Lead Developer: TerraFrost (Jim Wigginton) phpseclib Developers: monnerat (Patrick Monnerat) bantu (Andreas Fischer) petrich (Hans-Jürgen Petrich) + GrahamCampbell (Graham Campbell) diff --git a/securemail/vendor/phpseclib/phpseclib/CHANGELOG.md b/securemail/vendor/phpseclib/phpseclib/CHANGELOG.md deleted file mode 100644 index 0fd3ca091..000000000 --- a/securemail/vendor/phpseclib/phpseclib/CHANGELOG.md +++ /dev/null @@ -1,83 +0,0 @@ -# Changelog - -## 0.3.9 - 2014-11-09 - -- PHP 5.6 improvements ([#482](https://github.com/phpseclib/phpseclib/pull/482), [#491](https://github.com/phpseclib/phpseclib/issues/491)) - -## 0.3.8 - 2014-09-12 - -- improve support for indef lengths in File_ASN1 -- add hmac-sha2-256 support to Net_SSH2 -- make it so negotiated algorithms can be seen before Net_SSH2 login -- add sha256-96 and sha512-96 to Crypt_Hash -- window size handling adjustments in Net_SSH2 - -## 0.3.7 - 2014-07-05 - -- auto-detect public vs private keys -- add file_exists, is_dir, is_file, readlink and symlink to Net_SFTP -- add support for recursive nlist and rawlist -- make it so nlist and rawlist can return pre-sorted output -- make it so callback functions can make exec() return early -- add signSPKAC and saveSPKAC methods to File_X509 -- add support for PKCS8 keys in Crypt_RSA -- add pbkdf1 support to setPassword() in Crypt_Base -- add getWindowColumns, getWindowRows, setWindowColumns, setWindowRows to Net_SSH2 -- add support for filenames with spaces in them to Net_SCP - -## 0.3.6 - 2014-02-23 - -- add preliminary support for custom SSH subsystems -- add ssh-agent support - -## 0.3.5 - 2013-07-11 - -- numerous SFTP changes: - - chown - - chgrp - - truncate - - improved file type detection - - put() can write to te middle of a file - - mkdir accepts the same paramters that PHP's mkdir does - - the ability to upload/download 2GB files -- across-the-board speedups for the various encryption algorithms -- multi-factor authentication support for Net_SSH2 -- a $callback parameter for Net_SSH2::exec -- new classes: - - Net_SFTP_StreamWrapper - - Net_SCP - - Crypt_Twofish - - Crypt_Blowfish - -## 0.3.1 - 2012-11-20 - -- add Net_SSH2::enableQuietMode() for suppressing stderr -- add Crypt_RSA::__toString() and Crypt_RSA::getSize() -- fix problems with File_X509::validateDate(), File_X509::sign() and Crypt_RSA::verify() -- use OpenSSL to speed up modular exponention in Math_BigInteger -- improved timeout functionality in Net_SSH2 -- add support for SFTPv2 -- add support for CRLs in File_X509 -- SSH-2.0-SSH doesn't implement hmac-*-96 correctly - -## 0.3.0 - 2012-07-08 - -- add support for reuming Net_SFTP::put() -- add support for recursive deletes and recursive chmods to Net_SFTP -- add setTimeout() to Net_SSH2 -- add support for PBKDF2 to the various Crypt_* classes via setPassword() -- add File_X509 and File_ASN1 -- add the ability to decode various formats in Crypt_RSA -- make Net_SSH2::getServerPublicHostKey() return a printer-friendly version of the public key - -## 0.2.2 - 2011-05-09 - -- CFB and OFB modes were added to all block ciphers -- support for interactive mode was added to Net_SSH2 -- Net_SSH2 now has limited keyboard_interactive authentication support -- support was added for PuTTY formatted RSA private keys and XML formatted RSA private keys -- Crypt_RSA::loadKey() will now try all key types automatically -= add support for AES-128-CBC and DES-EDE3-CFB encrypted RSA private keys -- add Net_SFTP::stat(), Net_SFTP::lstat() and Net_SFTP::rawlist() -- logging was added to Net_SSH1 -- the license was changed to the less restrictive MIT license \ No newline at end of file diff --git a/securemail/vendor/phpseclib/phpseclib/LICENSE b/securemail/vendor/phpseclib/phpseclib/LICENSE index 75f6b2045..a8ec8ebd4 100644 --- a/securemail/vendor/phpseclib/phpseclib/LICENSE +++ b/securemail/vendor/phpseclib/phpseclib/LICENSE @@ -1,4 +1,4 @@ -Copyright 2007-2013 TerraFrost and other contributors +Copyright 2007-2016 TerraFrost and other contributors http://phpseclib.sourceforge.net/ Permission is hereby granted, free of charge, to any person obtaining diff --git a/securemail/vendor/phpseclib/phpseclib/README.md b/securemail/vendor/phpseclib/phpseclib/README.md index cad56570f..a6bde111c 100644 --- a/securemail/vendor/phpseclib/phpseclib/README.md +++ b/securemail/vendor/phpseclib/phpseclib/README.md @@ -1,14 +1,14 @@ # phpseclib - PHP Secure Communications Library -[![Build Status](https://secure.travis-ci.org/phpseclib/phpseclib.png?branch=master)](http://travis-ci.org/phpseclib/phpseclib) +[![Build Status](https://travis-ci.org/phpseclib/phpseclib.svg?branch=2.0)](https://travis-ci.org/phpseclib/phpseclib) MIT-licensed pure-PHP implementations of an arbitrary-precision integer arithmetic library, fully PKCS#1 (v2.1) compliant RSA, DES, 3DES, RC4, Rijndael, AES, Blowfish, Twofish, SSH-1, SSH-2, SFTP, and X.509 -* [Download (0.3.9)](http://sourceforge.net/projects/phpseclib/files/phpseclib0.3.9.zip/download) +* [Download (1.0.4)](http://sourceforge.net/projects/phpseclib/files/phpseclib1.0.4.zip/download) * [Browse Git](https://github.com/phpseclib/phpseclib) -* [Code Coverage Report](http://phpseclib.bantux.org/code_coverage/master/latest/) +* [Code Coverage Report](http://phpseclib.bantux.org/code_coverage/2.0/latest/) PEAR Channel PEAR Channel: [phpseclib.sourceforge.net](http://phpseclib.sourceforge.net/pear.htm) @@ -16,7 +16,7 @@ PEAR Channel: [phpseclib.sourceforge.net](http://phpseclib.sourceforge.net/pear. ## Documentation * [Documentation / Manual](http://phpseclib.sourceforge.net/) -* [API Documentation](http://phpseclib.bantux.org/api/master/) (generated by Sami) +* [API Documentation](http://phpseclib.bantux.org/api/2.0/) (generated by Sami) ## Support @@ -40,7 +40,7 @@ Dependencies are managed via Composer. 2. Install Dependencies ``` sh - php composer.phar install --dev + php composer.phar install ``` ## Contributing diff --git a/securemail/vendor/phpseclib/phpseclib/composer.json b/securemail/vendor/phpseclib/phpseclib/composer.json new file mode 100644 index 000000000..4b84b110e --- /dev/null +++ b/securemail/vendor/phpseclib/phpseclib/composer.json @@ -0,0 +1,76 @@ +{ + "name": "phpseclib/phpseclib", + "type": "library", + "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.", + "keywords": [ + "security", + "crypto", + "cryptography", + "encryption", + "signature", + "signing", + "rsa", + "aes", + "blowfish", + "twofish", + "ssh", + "sftp", + "x509", + "x.509", + "asn1", + "asn.1", + "BigInteger" + ], + "homepage": "http://phpseclib.sourceforge.net", + "license": "MIT", + "authors": [ + { + "name": "Jim Wigginton", + "email": "terrafrost@php.net", + "role": "Lead Developer" + }, + { + "name": "Patrick Monnerat", + "email": "pm@datasphere.ch", + "role": "Developer" + }, + { + "name": "Andreas Fischer", + "email": "bantu@phpbb.com", + "role": "Developer" + }, + { + "name": "Hans-Jürgen Petrich", + "email": "petrich@tronic-media.com", + "role": "Developer" + }, + { + "name": "Graham Campbell", + "email": "graham@alt-three.com", + "role": "Developer" + } + ], + "require": { + "php": ">=5.3.3" + }, + "require-dev": { + "phing/phing": "~2.7", + "phpunit/phpunit": "~4.0", + "sami/sami": "~2.0", + "squizlabs/php_codesniffer": "~2.0" + }, + "suggest": { + "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.", + "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations.", + "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.", + "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations." + 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PHP", + "homepage": "http://twig.sensiolabs.org", + "keywords": [ + "templating" + ], + "time": "2016-05-30 09:11:59" + }, + { + "name": "webmozart/assert", + "version": "1.0.2", + "source": { + "type": "git", + "url": "https://github.com/webmozart/assert.git", + "reference": "30eed06dd6bc88410a4ff7f77b6d22f3ce13dbde" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/webmozart/assert/zipball/30eed06dd6bc88410a4ff7f77b6d22f3ce13dbde", + "reference": "30eed06dd6bc88410a4ff7f77b6d22f3ce13dbde", + "shasum": "" + }, + "require": { + "php": ">=5.3.3" + }, + "require-dev": { + "phpunit/phpunit": "^4.6" + }, + "type": "library", + "extra": { + "branch-alias": { + "dev-master": "1.0-dev" + } + }, + "autoload": { + "psr-4": { + "Webmozart\\Assert\\": "src/" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Bernhard Schussek", + "email": "bschussek@gmail.com" + } + ], + "description": "Assertions to validate method input/output with nice error messages.", + "keywords": [ + "assert", + "check", + "validate" + ], + "time": "2015-08-24 13:29:44" + } + ], + "aliases": [], + "minimum-stability": "stable", + "stability-flags": [], + "prefer-stable": false, + "prefer-lowest": false, + "platform": { + "php": ">=5.3.3" + }, + "platform-dev": [] +} diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.php index 6b1f9daa6..7d8cb8b03 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.php @@ -5,23 +5,27 @@ * * Uses mcrypt, if available/possible, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * - * If {@link Crypt_AES::setKeyLength() setKeyLength()} isn't called, it'll be calculated from - * {@link Crypt_AES::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's 136-bits - * it'll be null-padded to 192-bits and 192 bits will be the key length until {@link Crypt_AES::setKey() setKey()} + * NOTE: Since AES.php is (for compatibility and phpseclib-historical reasons) virtually + * just a wrapper to Rijndael.php you may consider using Rijndael.php instead of + * to save one include_once(). + * + * If {@link self::setKeyLength() setKeyLength()} isn't called, it'll be calculated from + * {@link self::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's 136-bits + * it'll be null-padded to 192-bits and 192 bits will be the key length until {@link self::setKey() setKey()} * is called, again, at which point, it'll be recalculated. * - * Since Crypt_AES extends Crypt_Rijndael, some functions are available to be called that, in the context of AES, don't - * make a whole lot of sense. {@link Crypt_AES::setBlockLength() setBlockLength()}, for instance. Calling that function, + * Since \phpseclib\Crypt\AES extends \phpseclib\Crypt\Rijndael, some functions are available to be called that, in the context of AES, don't + * make a whole lot of sense. {@link self::setBlockLength() setBlockLength()}, for instance. Calling that function, * however possible, won't do anything (AES has a fixed block length whereas Rijndael has a variable one). * * Here's a short example of how to use this library: * * setKey('abcdefghijklmnop'); * @@ -35,118 +39,33 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_AES + * @package AES * @author Jim Wigginton * @copyright 2008 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Rijndael - */ -if (!class_exists('Crypt_Rijndael')) { - include_once 'Rijndael.php'; -} - -/**#@+ - * @access public - * @see Crypt_AES::encrypt() - * @see Crypt_AES::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_AES_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_AES_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_AES_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_AES_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_AES_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_AES_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_AES_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of AES. * - * @package Crypt_AES + * @package AES * @author Jim Wigginton * @access public */ -class Crypt_AES extends Crypt_Rijndael +class AES extends Rijndael { - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'AES'; - /** * Dummy function * - * Since Crypt_AES extends Crypt_Rijndael, this function is, technically, available, but it doesn't do anything. + * Since \phpseclib\Crypt\AES extends \phpseclib\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything. * - * @see Crypt_Rijndael::setBlockLength() + * @see \phpseclib\Crypt\Rijndael::setBlockLength() * @access public - * @param Integer $length + * @param int $length */ function setBlockLength($length) { @@ -159,9 +78,9 @@ class Crypt_AES extends Crypt_Rijndael * Valid key lengths are 128, 192, and 256. If the length is less than 128, it will be rounded up to * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. * - * @see Crypt_Rijndael:setKeyLength() + * @see \phpseclib\Crypt\Rijndael:setKeyLength() * @access public - * @param Integer $length + * @param int $length */ function setKeyLength($length) { @@ -180,10 +99,10 @@ class Crypt_AES extends Crypt_Rijndael * * Rijndael supports five different key lengths, AES only supports three. * - * @see Crypt_Rijndael:setKey() + * @see \phpseclib\Crypt\Rijndael:setKey() * @see setKeyLength() * @access public - * @param String $key + * @param string $key */ function setKey($key) { @@ -193,15 +112,15 @@ class Crypt_AES extends Crypt_Rijndael $length = strlen($key); switch (true) { case $length <= 16: - $this->key_size = 16; + $this->key_length = 16; break; case $length <= 24: - $this->key_size = 24; + $this->key_length = 24; break; default: - $this->key_size = 32; + $this->key_length = 32; } - $this->_setupEngine(); + $this->_setEngine(); } } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Base.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Base.php index 4df2a2db0..fd99c44f3 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Base.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Base.php @@ -1,14 +1,14 @@ * @author Hans-Juergen Petrich * @copyright 2007 Jim Wigginton @@ -52,79 +34,92 @@ * @link http://phpseclib.sourceforge.net */ -/**#@+ - * @access public - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_MODE_CTR', -1); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_MODE_ECB', 1); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_MODE_CBC', 2); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_MODE_CFB', 3); -/** - * Encrypt / decrypt using the Output Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_MODE_OFB', 4); -/** - * Encrypt / decrypt using streaming mode. - * - */ -define('CRYPT_MODE_STREAM', 5); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Base value for the internal implementation $engine switch - */ -define('CRYPT_MODE_INTERNAL', 1); -/** - * Base value for the mcrypt implementation $engine switch - */ -define('CRYPT_MODE_MCRYPT', 2); -/**#@-*/ +namespace phpseclib\Crypt; /** - * Base Class for all Crypt_* cipher classes + * Base Class for all \phpseclib\Crypt\* cipher classes * - * @package Crypt_Base + * @package Base * @author Jim Wigginton * @author Hans-Juergen Petrich - * @access public */ -class Crypt_Base +abstract class Base { + /**#@+ + * @access public + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() + */ + /** + * Encrypt / decrypt using the Counter mode. + * + * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. + * + * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 + */ + const MODE_CTR = -1; + /** + * Encrypt / decrypt using the Electronic Code Book mode. + * + * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 + */ + const MODE_ECB = 1; + /** + * Encrypt / decrypt using the Code Book Chaining mode. + * + * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 + */ + const MODE_CBC = 2; + /** + * Encrypt / decrypt using the Cipher Feedback mode. + * + * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 + */ + const MODE_CFB = 3; + /** + * Encrypt / decrypt using the Output Feedback mode. + * + * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 + */ + const MODE_OFB = 4; + /** + * Encrypt / decrypt using streaming mode. + */ + const MODE_STREAM = 5; + /**#@-*/ + + /** + * Whirlpool available flag + * + * @see \phpseclib\Crypt\Base::_hashInlineCryptFunction() + * @var bool + * @access private + */ + static $WHIRLPOOL_AVAILABLE; + + /**#@+ + * @access private + * @see \phpseclib\Crypt\Base::__construct() + */ + /** + * Base value for the internal implementation $engine switch + */ + const ENGINE_INTERNAL = 1; + /** + * Base value for the mcrypt implementation $engine switch + */ + const ENGINE_MCRYPT = 2; + /** + * Base value for the mcrypt implementation $engine switch + */ + const ENGINE_OPENSSL = 3; + /**#@-*/ + /** * The Encryption Mode * - * @see Crypt_Base::Crypt_Base() - * @var Integer + * @see self::__construct() + * @var int * @access private */ var $mode; @@ -132,7 +127,7 @@ class Crypt_Base /** * The Block Length of the block cipher * - * @var Integer + * @var int * @access private */ var $block_size = 16; @@ -140,8 +135,8 @@ class Crypt_Base /** * The Key * - * @see Crypt_Base::setKey() - * @var String + * @see self::setKey() + * @var string * @access private */ var $key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; @@ -149,8 +144,8 @@ class Crypt_Base /** * The Initialization Vector * - * @see Crypt_Base::setIV() - * @var String + * @see self::setIV() + * @var string * @access private */ var $iv; @@ -158,9 +153,9 @@ class Crypt_Base /** * A "sliding" Initialization Vector * - * @see Crypt_Base::enableContinuousBuffer() - * @see Crypt_Base::_clearBuffers() - * @var String + * @see self::enableContinuousBuffer() + * @see self::_clearBuffers() + * @var string * @access private */ var $encryptIV; @@ -168,9 +163,9 @@ class Crypt_Base /** * A "sliding" Initialization Vector * - * @see Crypt_Base::enableContinuousBuffer() - * @see Crypt_Base::_clearBuffers() - * @var String + * @see self::enableContinuousBuffer() + * @see self::_clearBuffers() + * @var string * @access private */ var $decryptIV; @@ -178,8 +173,8 @@ class Crypt_Base /** * Continuous Buffer status * - * @see Crypt_Base::enableContinuousBuffer() - * @var Boolean + * @see self::enableContinuousBuffer() + * @var bool * @access private */ var $continuousBuffer = false; @@ -187,9 +182,9 @@ class Crypt_Base /** * Encryption buffer for CTR, OFB and CFB modes * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::_clearBuffers() - * @var Array + * @see self::encrypt() + * @see self::_clearBuffers() + * @var array * @access private */ var $enbuffer; @@ -197,9 +192,9 @@ class Crypt_Base /** * Decryption buffer for CTR, OFB and CFB modes * - * @see Crypt_Base::decrypt() - * @see Crypt_Base::_clearBuffers() - * @var Array + * @see self::decrypt() + * @see self::_clearBuffers() + * @var array * @access private */ var $debuffer; @@ -210,8 +205,8 @@ class Crypt_Base * The mcrypt resource can be recreated every time something needs to be created or it can be created just once. * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode. * - * @see Crypt_Base::encrypt() - * @var Resource + * @see self::encrypt() + * @var resource * @access private */ var $enmcrypt; @@ -222,8 +217,8 @@ class Crypt_Base * The mcrypt resource can be recreated every time something needs to be created or it can be created just once. * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode. * - * @see Crypt_Base::decrypt() - * @var Resource + * @see self::decrypt() + * @var resource * @access private */ var $demcrypt; @@ -231,9 +226,9 @@ class Crypt_Base /** * Does the enmcrypt resource need to be (re)initialized? * - * @see Crypt_Twofish::setKey() - * @see Crypt_Twofish::setIV() - * @var Boolean + * @see \phpseclib\Crypt\Twofish::setKey() + * @see \phpseclib\Crypt\Twofish::setIV() + * @var bool * @access private */ var $enchanged = true; @@ -241,9 +236,9 @@ class Crypt_Base /** * Does the demcrypt resource need to be (re)initialized? * - * @see Crypt_Twofish::setKey() - * @see Crypt_Twofish::setIV() - * @var Boolean + * @see \phpseclib\Crypt\Twofish::setKey() + * @see \phpseclib\Crypt\Twofish::setIV() + * @var bool * @access private */ var $dechanged = true; @@ -259,10 +254,10 @@ class Crypt_Base * use a separate ECB-mode mcrypt resource. * * @link http://phpseclib.sourceforge.net/cfb-demo.phps - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @see Crypt_Base::_setupMcrypt() - * @var Resource + * @see self::encrypt() + * @see self::decrypt() + * @see self::_setupMcrypt() + * @var resource * @access private */ var $ecb; @@ -271,7 +266,7 @@ class Crypt_Base * Optimizing value while CFB-encrypting * * Only relevant if $continuousBuffer enabled - * and $engine == CRYPT_MODE_MCRYPT + * and $engine == self::ENGINE_MCRYPT * * It's faster to re-init $enmcrypt if * $buffer bytes > $cfb_init_len than @@ -283,8 +278,8 @@ class Crypt_Base * which, typically, depends on the complexity * on its internaly Key-expanding algorithm. * - * @see Crypt_Base::encrypt() - * @var Integer + * @see self::encrypt() + * @var int * @access private */ var $cfb_init_len = 600; @@ -292,10 +287,10 @@ class Crypt_Base /** * Does internal cipher state need to be (re)initialized? * - * @see setKey() - * @see setIV() - * @see disableContinuousBuffer() - * @var Boolean + * @see self::setKey() + * @see self::setIV() + * @see self::disableContinuousBuffer() + * @var bool * @access private */ var $changed = true; @@ -303,8 +298,8 @@ class Crypt_Base /** * Padding status * - * @see Crypt_Base::enablePadding() - * @var Boolean + * @see self::enablePadding() + * @var bool * @access private */ var $padding = true; @@ -312,8 +307,8 @@ class Crypt_Base /** * Is the mode one that is paddable? * - * @see Crypt_Base::Crypt_Base() - * @var Boolean + * @see self::__construct() + * @var bool * @access private */ var $paddable = false; @@ -323,86 +318,83 @@ class Crypt_Base * which will be determined automatically on __construct() * * Currently available $engines are: - * - CRYPT_MODE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required) - * - CRYPT_MODE_INTERNAL (slower, pure php-engine, no php-extension required) + * - self::ENGINE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required) + * - self::ENGINE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required) + * - self::ENGINE_INTERNAL (slower, pure php-engine, no php-extension required) * - * In the pipeline... maybe. But currently not available: - * - CRYPT_MODE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required) - * - * If possible, CRYPT_MODE_MCRYPT will be used for each cipher. - * Otherwise CRYPT_MODE_INTERNAL - * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @var Integer + * @see self::_setEngine() + * @see self::encrypt() + * @see self::decrypt() + * @var int * @access private */ var $engine; + /** + * Holds the preferred crypt engine + * + * @see self::_setEngine() + * @see self::setPreferredEngine() + * @var int + * @access private + */ + var $preferredEngine; + /** * The mcrypt specific name of the cipher * - * Only used if $engine == CRYPT_MODE_MCRYPT + * Only used if $engine == self::ENGINE_MCRYPT * * @link http://www.php.net/mcrypt_module_open * @link http://www.php.net/mcrypt_list_algorithms - * @see Crypt_Base::_setupMcrypt() - * @var String + * @see self::_setupMcrypt() + * @var string * @access private */ var $cipher_name_mcrypt; /** - * The default password key_size used by setPassword() + * The openssl specific name of the cipher * - * @see Crypt_Base::setPassword() - * @var Integer + * Only used if $engine == self::ENGINE_OPENSSL + * + * @link http://www.php.net/openssl-get-cipher-methods + * @var string * @access private */ - var $password_key_size = 32; + var $cipher_name_openssl; + + /** + * The openssl specific name of the cipher in ECB mode + * + * If OpenSSL does not support the mode we're trying to use (CTR) + * it can still be emulated with ECB mode. + * + * @link http://www.php.net/openssl-get-cipher-methods + * @var string + * @access private + */ + var $cipher_name_openssl_ecb; /** * The default salt used by setPassword() * - * @see Crypt_Base::setPassword() - * @var String + * @see self::setPassword() + * @var string * @access private */ var $password_default_salt = 'phpseclib/salt'; - /** - * The namespace used by the cipher for its constants. - * - * ie: AES.php is using CRYPT_AES_MODE_* for its constants - * so $const_namespace is AES - * - * DES.php is using CRYPT_DES_MODE_* for its constants - * so $const_namespace is DES... and so on - * - * All CRYPT_<$const_namespace>_MODE_* are aliases of - * the generic CRYPT_MODE_* constants, so both could be used - * for each cipher. - * - * Example: - * $aes = new Crypt_AES(CRYPT_AES_MODE_CFB); // $aes will operate in cfb mode - * $aes = new Crypt_AES(CRYPT_MODE_CFB); // identical - * - * @see Crypt_Base::Crypt_Base() - * @var String - * @access private - */ - var $const_namespace; - /** * The name of the performance-optimized callback function * * Used by encrypt() / decrypt() - * only if $engine == CRYPT_MODE_INTERNAL + * only if $engine == self::ENGINE_INTERNAL * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @see Crypt_Base::_setupInlineCrypt() - * @see Crypt_Base::$use_inline_crypt + * @see self::encrypt() + * @see self::decrypt() + * @see self::_setupInlineCrypt() + * @see self::$use_inline_crypt * @var Callback * @access private */ @@ -411,14 +403,50 @@ class Crypt_Base /** * Holds whether performance-optimized $inline_crypt() can/should be used. * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @see Crypt_Base::inline_crypt + * @see self::encrypt() + * @see self::decrypt() + * @see self::inline_crypt * @var mixed * @access private */ var $use_inline_crypt; + /** + * If OpenSSL can be used in ECB but not in CTR we can emulate CTR + * + * @see self::_openssl_ctr_process() + * @var bool + * @access private + */ + var $openssl_emulate_ctr = false; + + /** + * Determines what options are passed to openssl_encrypt/decrypt + * + * @see self::isValidEngine() + * @var mixed + * @access private + */ + var $openssl_options; + + /** + * Has the key length explicitly been set or should it be derived from the key, itself? + * + * @see self::setKeyLength() + * @var bool + * @access private + */ + var $explicit_key_length = false; + + /** + * Don't truncate / null pad key + * + * @see self::_clearBuffers() + * @var bool + * @access private + */ + var $skip_key_adjustment = false; + /** * Default Constructor. * @@ -426,69 +454,43 @@ class Crypt_Base * * $mode could be: * - * - CRYPT_MODE_ECB + * - self::MODE_ECB * - * - CRYPT_MODE_CBC + * - self::MODE_CBC * - * - CRYPT_MODE_CTR + * - self::MODE_CTR * - * - CRYPT_MODE_CFB + * - self::MODE_CFB * - * - CRYPT_MODE_OFB + * - self::MODE_OFB * - * (or the alias constants of the chosen cipher, for example for AES: CRYPT_AES_MODE_ECB or CRYPT_AES_MODE_CBC ...) + * If not explicitly set, self::MODE_CBC will be used. * - * If not explicitly set, CRYPT_MODE_CBC will be used. - * - * @param optional Integer $mode + * @param int $mode * @access public */ - function Crypt_Base($mode = CRYPT_MODE_CBC) + function __construct($mode = self::MODE_CBC) { - $const_crypt_mode = 'CRYPT_' . $this->const_namespace . '_MODE'; - - // Determining the availibility of mcrypt support for the cipher - if (!defined($const_crypt_mode)) { - switch (true) { - case extension_loaded('mcrypt') && in_array($this->cipher_name_mcrypt, mcrypt_list_algorithms()): - define($const_crypt_mode, CRYPT_MODE_MCRYPT); - break; - default: - define($const_crypt_mode, CRYPT_MODE_INTERNAL); - } - } - - // Determining which internal $engine should be used. - // The fastes possible first. - switch (true) { - case empty($this->cipher_name_mcrypt): // The cipher module has no mcrypt-engine support at all so we force CRYPT_MODE_INTERNAL - $this->engine = CRYPT_MODE_INTERNAL; - break; - case constant($const_crypt_mode) == CRYPT_MODE_MCRYPT: - $this->engine = CRYPT_MODE_MCRYPT; - break; - default: - $this->engine = CRYPT_MODE_INTERNAL; - } - // $mode dependent settings switch ($mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: $this->paddable = true; + $this->mode = self::MODE_ECB; + break; + case self::MODE_CTR: + case self::MODE_CFB: + case self::MODE_OFB: + case self::MODE_STREAM: $this->mode = $mode; break; - case CRYPT_MODE_CTR: - case CRYPT_MODE_CFB: - case CRYPT_MODE_OFB: - case CRYPT_MODE_STREAM: - $this->mode = $mode; - break; - case CRYPT_MODE_CBC: + case self::MODE_CBC: default: $this->paddable = true; - $this->mode = CRYPT_MODE_CBC; + $this->mode = self::MODE_CBC; } + $this->_setEngine(); + // Determining whether inline crypting can be used by the cipher if ($this->use_inline_crypt !== false && function_exists('create_function')) { $this->use_inline_crypt = true; @@ -498,17 +500,16 @@ class Crypt_Base /** * Sets the initialization vector. (optional) * - * SetIV is not required when CRYPT_MODE_ECB (or ie for AES: CRYPT_AES_MODE_ECB) is being used. If not explicitly set, it'll be assumed + * SetIV is not required when self::MODE_ECB (or ie for AES: \phpseclib\Crypt\AES::MODE_ECB) is being used. If not explicitly set, it'll be assumed * to be all zero's. * - * Note: Could, but not must, extend by the child Crypt_* class - * * @access public - * @param String $iv + * @param string $iv + * @internal Can be overwritten by a sub class, but does not have to be */ function setIV($iv) { - if ($this->mode == CRYPT_MODE_ECB) { + if ($this->mode == self::MODE_ECB) { return; } @@ -516,6 +517,43 @@ class Crypt_Base $this->changed = true; } + /** + * Sets the key length. + * + * Keys with explicitly set lengths need to be treated accordingly + * + * @access public + * @param int $length + */ + function setKeyLength($length) + { + $this->explicit_key_length = true; + $this->changed = true; + $this->_setEngine(); + } + + /** + * Returns the current key length in bits + * + * @access public + * @return int + */ + function getKeyLength() + { + return $this->key_length << 3; + } + + /** + * Returns the current block length in bits + * + * @access public + * @return int + */ + function getBlockLength() + { + return $this->block_size << 3; + } + /** * Sets the key. * @@ -526,15 +564,20 @@ class Crypt_Base * * If the key is not explicitly set, it'll be assumed to be all null bytes. * - * Note: Could, but not must, extend by the child Crypt_* class - * * @access public - * @param String $key + * @param string $key + * @internal Could, but not must, extend by the child Crypt_* class */ function setKey($key) { + if (!$this->explicit_key_length) { + $this->setKeyLength(strlen($key) << 3); + $this->explicit_key_length = false; + } + $this->key = $key; $this->changed = true; + $this->_setEngine(); } /** @@ -546,13 +589,12 @@ class Crypt_Base * * Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php * - * Note: Could, but not must, extend by the child Crypt_* class - * * @see Crypt/Hash.php - * @param String $password - * @param optional String $method - * @return Boolean + * @param string $password + * @param string $method + * @return bool * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function setPassword($password, $method = 'pbkdf2') { @@ -576,15 +618,12 @@ class Crypt_Base if (isset($func_args[5])) { $dkLen = $func_args[5]; } else { - $dkLen = $method == 'pbkdf1' ? 2 * $this->password_key_size : $this->password_key_size; + $dkLen = $method == 'pbkdf1' ? 2 * $this->key_length : $this->key_length; } switch (true) { case $method == 'pbkdf1': - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } - $hashObj = new Crypt_Hash(); + $hashObj = new Hash(); $hashObj->setHash($hash); if ($dkLen > $hashObj->getLength()) { user_error('Derived key too long'); @@ -604,12 +643,9 @@ class Crypt_Base case !function_exists('hash_pbkdf2'): case !function_exists('hash_algos'): case !in_array($hash, hash_algos()): - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } $i = 1; while (strlen($key) < $dkLen) { - $hmac = new Crypt_Hash(); + $hmac = new Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); @@ -645,29 +681,107 @@ class Crypt_Base * strlen($plaintext) will still need to be a multiple of the block size, however, arbitrary values can be added to make it that * length. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::decrypt() + * @see self::decrypt() * @access public - * @param String $plaintext - * @return String $cipertext + * @param string $plaintext + * @return string $ciphertext + * @internal Could, but not must, extend by the child Crypt_* class */ function encrypt($plaintext) { - if ($this->engine == CRYPT_MODE_MCRYPT) { + if ($this->paddable) { + $plaintext = $this->_pad($plaintext); + } + + if ($this->engine === self::ENGINE_OPENSSL) { + if ($this->changed) { + $this->_clearBuffers(); + $this->changed = false; + } + switch ($this->mode) { + case self::MODE_STREAM: + return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); + case self::MODE_ECB: + $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); + return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; + case self::MODE_CBC: + $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->encryptIV); + if (!defined('OPENSSL_RAW_DATA')) { + $result = substr($result, 0, -$this->block_size); + } + if ($this->continuousBuffer) { + $this->encryptIV = substr($result, -$this->block_size); + } + return $result; + case self::MODE_CTR: + return $this->_openssl_ctr_process($plaintext, $this->encryptIV, $this->enbuffer); + case self::MODE_CFB: + // cfb loosely routines inspired by openssl's: + // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} + $ciphertext = ''; + if ($this->continuousBuffer) { + $iv = &$this->encryptIV; + $pos = &$this->enbuffer['pos']; + } else { + $iv = $this->encryptIV; + $pos = 0; + } + $len = strlen($plaintext); + $i = 0; + if ($pos) { + $orig_pos = $pos; + $max = $this->block_size - $pos; + if ($len >= $max) { + $i = $max; + $len-= $max; + $pos = 0; + } else { + $i = $len; + $pos+= $len; + $len = 0; + } + // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize + $ciphertext = substr($iv, $orig_pos) ^ $plaintext; + $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); + $plaintext = substr($plaintext, $i); + } + + $overflow = $len % $this->block_size; + + if ($overflow) { + $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); + $iv = $this->_string_pop($ciphertext, $this->block_size); + + $size = $len - $overflow; + $block = $iv ^ substr($plaintext, -$overflow); + $iv = substr_replace($iv, $block, 0, $overflow); + $ciphertext.= $block; + $pos = $overflow; + } elseif ($len) { + $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); + $iv = substr($ciphertext, -$this->block_size); + } + + return $ciphertext; + case self::MODE_OFB: + return $this->_openssl_ofb_process($plaintext, $this->encryptIV, $this->enbuffer); + } + } + + if ($this->engine === self::ENGINE_MCRYPT) { if ($this->changed) { $this->_setupMcrypt(); $this->changed = false; } if ($this->enchanged) { - mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); + @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); $this->enchanged = false; } // re: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} // using mcrypt's default handing of CFB the above would output two different things. using phpseclib's // rewritten CFB implementation the above outputs the same thing twice. - if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) { + if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { $block_size = $this->block_size; $iv = &$this->encryptIV; $pos = &$this->enbuffer['pos']; @@ -693,15 +807,15 @@ class Crypt_Base if ($len >= $block_size) { if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) { if ($this->enbuffer['enmcrypt_init'] === true) { - mcrypt_generic_init($this->enmcrypt, $this->key, $iv); + @mcrypt_generic_init($this->enmcrypt, $this->key, $iv); $this->enbuffer['enmcrypt_init'] = false; } - $ciphertext.= mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size)); + $ciphertext.= @mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size)); $iv = substr($ciphertext, -$block_size); $len%= $block_size; } else { while ($len >= $block_size) { - $iv = mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size); + $iv = @mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size); $ciphertext.= $iv; $len-= $block_size; $i+= $block_size; @@ -710,7 +824,7 @@ class Crypt_Base } if ($len) { - $iv = mcrypt_generic($this->ecb, $iv); + $iv = @mcrypt_generic($this->ecb, $iv); $block = $iv ^ substr($plaintext, -$len); $iv = substr_replace($iv, $block, 0, $len); $ciphertext.= $block; @@ -720,14 +834,10 @@ class Crypt_Base return $ciphertext; } - if ($this->paddable) { - $plaintext = $this->_pad($plaintext); - } - - $ciphertext = mcrypt_generic($this->enmcrypt, $plaintext); + $ciphertext = @mcrypt_generic($this->enmcrypt, $plaintext); if (!$this->continuousBuffer) { - mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); + @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); } return $ciphertext; @@ -741,20 +851,17 @@ class Crypt_Base $inline = $this->inline_crypt; return $inline('encrypt', $this, $plaintext); } - if ($this->paddable) { - $plaintext = $this->_pad($plaintext); - } $buffer = &$this->enbuffer; $block_size = $this->block_size; $ciphertext = ''; switch ($this->mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $ciphertext.= $this->_encryptBlock(substr($plaintext, $i, $block_size)); } break; - case CRYPT_MODE_CBC: + case self::MODE_CBC: $xor = $this->encryptIV; for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); @@ -766,32 +873,34 @@ class Crypt_Base $this->encryptIV = $xor; } break; - case CRYPT_MODE_CTR: + case self::MODE_CTR: $xor = $this->encryptIV; - if (strlen($buffer['encrypted'])) { + if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['encrypted'])) { - $buffer['encrypted'].= $this->_encryptBlock($this->_generateXor($xor, $block_size)); + if (strlen($block) > strlen($buffer['ciphertext'])) { + $buffer['ciphertext'].= $this->_encryptBlock($xor); } - $key = $this->_stringShift($buffer['encrypted'], $block_size); + $this->_increment_str($xor); + $key = $this->_string_shift($buffer['ciphertext'], $block_size); $ciphertext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); - $key = $this->_encryptBlock($this->_generateXor($xor, $block_size)); + $key = $this->_encryptBlock($xor); + $this->_increment_str($xor); $ciphertext.= $block ^ $key; } } if ($this->continuousBuffer) { $this->encryptIV = $xor; if ($start = strlen($plaintext) % $block_size) { - $buffer['encrypted'] = substr($key, $start) . $buffer['encrypted']; + $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; } } break; - case CRYPT_MODE_CFB: + case self::MODE_CFB: // cfb loosely routines inspired by openssl's: // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} if ($this->continuousBuffer) { @@ -833,7 +942,7 @@ class Crypt_Base $pos = $len; } break; - case CRYPT_MODE_OFB: + case self::MODE_OFB: $xor = $this->encryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { @@ -842,7 +951,7 @@ class Crypt_Base $xor = $this->_encryptBlock($xor); $buffer['xor'].= $xor; } - $key = $this->_stringShift($buffer['xor'], $block_size); + $key = $this->_string_shift($buffer['xor'], $block_size); $ciphertext.= $block ^ $key; } } else { @@ -855,11 +964,11 @@ class Crypt_Base if ($this->continuousBuffer) { $this->encryptIV = $xor; if ($start = strlen($plaintext) % $block_size) { - $buffer['xor'] = substr($key, $start) . $buffer['xor']; + $buffer['xor'] = substr($key, $start) . $buffer['xor']; } } break; - case CRYPT_MODE_STREAM: + case self::MODE_STREAM: $ciphertext = $this->_encryptBlock($plaintext); break; } @@ -873,27 +982,115 @@ class Crypt_Base * If strlen($ciphertext) is not a multiple of the block size, null bytes will be added to the end of the string until * it is. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::encrypt() + * @see self::encrypt() * @access public - * @param String $ciphertext - * @return String $plaintext + * @param string $ciphertext + * @return string $plaintext + * @internal Could, but not must, extend by the child Crypt_* class */ function decrypt($ciphertext) { - if ($this->engine == CRYPT_MODE_MCRYPT) { + if ($this->paddable) { + // we pad with chr(0) since that's what mcrypt_generic does. to quote from {@link http://www.php.net/function.mcrypt-generic}: + // "The data is padded with "\0" to make sure the length of the data is n * blocksize." + $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($this->block_size - strlen($ciphertext) % $this->block_size) % $this->block_size, chr(0)); + } + + if ($this->engine === self::ENGINE_OPENSSL) { + if ($this->changed) { + $this->_clearBuffers(); + $this->changed = false; + } + switch ($this->mode) { + case self::MODE_STREAM: + $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); + break; + case self::MODE_ECB: + if (!defined('OPENSSL_RAW_DATA')) { + $ciphertext.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $this->key, true); + } + $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); + break; + case self::MODE_CBC: + if (!defined('OPENSSL_RAW_DATA')) { + $padding = str_repeat(chr($this->block_size), $this->block_size) ^ substr($ciphertext, -$this->block_size); + $ciphertext.= substr(openssl_encrypt($padding, $this->cipher_name_openssl_ecb, $this->key, true), 0, $this->block_size); + $offset = 2 * $this->block_size; + } else { + $offset = $this->block_size; + } + $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->decryptIV); + if ($this->continuousBuffer) { + $this->decryptIV = substr($ciphertext, -$offset, $this->block_size); + } + break; + case self::MODE_CTR: + $plaintext = $this->_openssl_ctr_process($ciphertext, $this->decryptIV, $this->debuffer); + break; + case self::MODE_CFB: + // cfb loosely routines inspired by openssl's: + // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} + $plaintext = ''; + if ($this->continuousBuffer) { + $iv = &$this->decryptIV; + $pos = &$this->buffer['pos']; + } else { + $iv = $this->decryptIV; + $pos = 0; + } + $len = strlen($ciphertext); + $i = 0; + if ($pos) { + $orig_pos = $pos; + $max = $this->block_size - $pos; + if ($len >= $max) { + $i = $max; + $len-= $max; + $pos = 0; + } else { + $i = $len; + $pos+= $len; + $len = 0; + } + // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $this->blocksize + $plaintext = substr($iv, $orig_pos) ^ $ciphertext; + $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); + $ciphertext = substr($ciphertext, $i); + } + $overflow = $len % $this->block_size; + if ($overflow) { + $plaintext.= openssl_decrypt(substr($ciphertext, 0, -$overflow), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); + if ($len - $overflow) { + $iv = substr($ciphertext, -$overflow - $this->block_size, -$overflow); + } + $iv = openssl_encrypt(str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); + $plaintext.= $iv ^ substr($ciphertext, -$overflow); + $iv = substr_replace($iv, substr($ciphertext, -$overflow), 0, $overflow); + $pos = $overflow; + } elseif ($len) { + $plaintext.= openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); + $iv = substr($ciphertext, -$this->block_size); + } + break; + case self::MODE_OFB: + $plaintext = $this->_openssl_ofb_process($ciphertext, $this->decryptIV, $this->debuffer); + } + + return $this->paddable ? $this->_unpad($plaintext) : $plaintext; + } + + if ($this->engine === self::ENGINE_MCRYPT) { $block_size = $this->block_size; if ($this->changed) { $this->_setupMcrypt(); $this->changed = false; } if ($this->dechanged) { - mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); + @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); $this->dechanged = false; } - if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) { + if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$this->debuffer['pos']; $len = strlen($ciphertext); @@ -917,12 +1114,12 @@ class Crypt_Base } if ($len >= $block_size) { $cb = substr($ciphertext, $i, $len - $len % $block_size); - $plaintext.= mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; + $plaintext.= @mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; $iv = substr($cb, -$block_size); $len%= $block_size; } if ($len) { - $iv = mcrypt_generic($this->ecb, $iv); + $iv = @mcrypt_generic($this->ecb, $iv); $plaintext.= $iv ^ substr($ciphertext, -$len); $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len); $pos = $len; @@ -931,16 +1128,10 @@ class Crypt_Base return $plaintext; } - if ($this->paddable) { - // we pad with chr(0) since that's what mcrypt_generic does. to quote from {@link http://www.php.net/function.mcrypt-generic}: - // "The data is padded with "\0" to make sure the length of the data is n * blocksize." - $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($block_size - strlen($ciphertext) % $block_size) % $block_size, chr(0)); - } - - $plaintext = mdecrypt_generic($this->demcrypt, $ciphertext); + $plaintext = @mdecrypt_generic($this->demcrypt, $ciphertext); if (!$this->continuousBuffer) { - mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); + @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; @@ -956,20 +1147,16 @@ class Crypt_Base } $block_size = $this->block_size; - if ($this->paddable) { - // we pad with chr(0) since that's what mcrypt_generic does [...] - $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($block_size - strlen($ciphertext) % $block_size) % $block_size, chr(0)); - } $buffer = &$this->debuffer; $plaintext = ''; switch ($this->mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $plaintext.= $this->_decryptBlock(substr($ciphertext, $i, $block_size)); } break; - case CRYPT_MODE_CBC: + case self::MODE_CBC: $xor = $this->decryptIV; for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); @@ -980,21 +1167,23 @@ class Crypt_Base $this->decryptIV = $xor; } break; - case CRYPT_MODE_CTR: + case self::MODE_CTR: $xor = $this->decryptIV; if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); if (strlen($block) > strlen($buffer['ciphertext'])) { - $buffer['ciphertext'].= $this->_encryptBlock($this->_generateXor($xor, $block_size)); + $buffer['ciphertext'].= $this->_encryptBlock($xor); + $this->_increment_str($xor); } - $key = $this->_stringShift($buffer['ciphertext'], $block_size); + $key = $this->_string_shift($buffer['ciphertext'], $block_size); $plaintext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); - $key = $this->_encryptBlock($this->_generateXor($xor, $block_size)); + $key = $this->_encryptBlock($xor); + $this->_increment_str($xor); $plaintext.= $block ^ $key; } } @@ -1005,7 +1194,7 @@ class Crypt_Base } } break; - case CRYPT_MODE_CFB: + case self::MODE_CFB: if ($this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$buffer['pos']; @@ -1046,7 +1235,7 @@ class Crypt_Base $pos = $len; } break; - case CRYPT_MODE_OFB: + case self::MODE_OFB: $xor = $this->decryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { @@ -1055,7 +1244,7 @@ class Crypt_Base $xor = $this->_encryptBlock($xor); $buffer['xor'].= $xor; } - $key = $this->_stringShift($buffer['xor'], $block_size); + $key = $this->_string_shift($buffer['xor'], $block_size); $plaintext.= $block ^ $key; } } else { @@ -1068,17 +1257,189 @@ class Crypt_Base if ($this->continuousBuffer) { $this->decryptIV = $xor; if ($start = strlen($ciphertext) % $block_size) { - $buffer['xor'] = substr($key, $start) . $buffer['xor']; + $buffer['xor'] = substr($key, $start) . $buffer['xor']; } } break; - case CRYPT_MODE_STREAM: + case self::MODE_STREAM: $plaintext = $this->_decryptBlock($ciphertext); break; } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } + /** + * OpenSSL CTR Processor + * + * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream + * for CTR is the same for both encrypting and decrypting this function is re-used by both Base::encrypt() + * and Base::decrypt(). Also, OpenSSL doesn't implement CTR for all of it's symmetric ciphers so this + * function will emulate CTR with ECB when necessary. + * + * @see self::encrypt() + * @see self::decrypt() + * @param string $plaintext + * @param string $encryptIV + * @param array $buffer + * @return string + * @access private + */ + function _openssl_ctr_process($plaintext, &$encryptIV, &$buffer) + { + $ciphertext = ''; + + $block_size = $this->block_size; + $key = $this->key; + + if ($this->openssl_emulate_ctr) { + $xor = $encryptIV; + if (strlen($buffer['ciphertext'])) { + for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { + $block = substr($plaintext, $i, $block_size); + if (strlen($block) > strlen($buffer['ciphertext'])) { + $result = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + $result = !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; + $buffer['ciphertext'].= $result; + } + $this->_increment_str($xor); + $otp = $this->_string_shift($buffer['ciphertext'], $block_size); + $ciphertext.= $block ^ $otp; + } + } else { + for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { + $block = substr($plaintext, $i, $block_size); + $otp = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + $otp = !defined('OPENSSL_RAW_DATA') ? substr($otp, 0, -$this->block_size) : $otp; + $this->_increment_str($xor); + $ciphertext.= $block ^ $otp; + } + } + if ($this->continuousBuffer) { + $encryptIV = $xor; + if ($start = strlen($plaintext) % $block_size) { + $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; + } + } + + return $ciphertext; + } + + if (strlen($buffer['ciphertext'])) { + $ciphertext = $plaintext ^ $this->_string_shift($buffer['ciphertext'], strlen($plaintext)); + $plaintext = substr($plaintext, strlen($ciphertext)); + + if (!strlen($plaintext)) { + return $ciphertext; + } + } + + $overflow = strlen($plaintext) % $block_size; + if ($overflow) { + $plaintext2 = $this->_string_pop($plaintext, $overflow); // ie. trim $plaintext to a multiple of $block_size and put rest of $plaintext in $plaintext2 + $encrypted = openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); + $temp = $this->_string_pop($encrypted, $block_size); + $ciphertext.= $encrypted . ($plaintext2 ^ $temp); + if ($this->continuousBuffer) { + $buffer['ciphertext'] = substr($temp, $overflow); + $encryptIV = $temp; + } + } elseif (!strlen($buffer['ciphertext'])) { + $ciphertext.= openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); + $temp = $this->_string_pop($ciphertext, $block_size); + if ($this->continuousBuffer) { + $encryptIV = $temp; + } + } + if ($this->continuousBuffer) { + if (!defined('OPENSSL_RAW_DATA')) { + $encryptIV.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + } + $encryptIV = openssl_decrypt($encryptIV, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + if ($overflow) { + $this->_increment_str($encryptIV); + } + } + + return $ciphertext; + } + + /** + * OpenSSL OFB Processor + * + * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream + * for OFB is the same for both encrypting and decrypting this function is re-used by both Base::encrypt() + * and Base::decrypt(). + * + * @see self::encrypt() + * @see self::decrypt() + * @param string $plaintext + * @param string $encryptIV + * @param array $buffer + * @return string + * @access private + */ + function _openssl_ofb_process($plaintext, &$encryptIV, &$buffer) + { + if (strlen($buffer['xor'])) { + $ciphertext = $plaintext ^ $buffer['xor']; + $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext)); + $plaintext = substr($plaintext, strlen($ciphertext)); + } else { + $ciphertext = ''; + } + + $block_size = $this->block_size; + + $len = strlen($plaintext); + $key = $this->key; + $overflow = $len % $block_size; + + if (strlen($plaintext)) { + if ($overflow) { + $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); + $xor = $this->_string_pop($ciphertext, $block_size); + if ($this->continuousBuffer) { + $encryptIV = $xor; + } + $ciphertext.= $this->_string_shift($xor, $overflow) ^ substr($plaintext, -$overflow); + if ($this->continuousBuffer) { + $buffer['xor'] = $xor; + } + } else { + $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); + if ($this->continuousBuffer) { + $encryptIV = substr($ciphertext, -$block_size) ^ substr($plaintext, -$block_size); + } + } + } + + return $ciphertext; + } + + /** + * phpseclib <-> OpenSSL Mode Mapper + * + * May need to be overwritten by classes extending this one in some cases + * + * @return int + * @access private + */ + function _openssl_translate_mode() + { + switch ($this->mode) { + case self::MODE_ECB: + return 'ecb'; + case self::MODE_CBC: + return 'cbc'; + case self::MODE_CTR: + return 'ctr'; + case self::MODE_CFB: + return 'cfb'; + case self::MODE_OFB: + return 'ofb'; + } + } + /** * Pad "packets". * @@ -1091,7 +1452,7 @@ class Crypt_Base * away characters that shouldn't be stripped away. (SSH knows how many bytes are added because the length is * transmitted separately) * - * @see Crypt_Base::disablePadding() + * @see self::disablePadding() * @access public */ function enablePadding() @@ -1102,7 +1463,7 @@ class Crypt_Base /** * Do not pad packets. * - * @see Crypt_Base::enablePadding() + * @see self::enablePadding() * @access public */ function disablePadding() @@ -1139,23 +1500,24 @@ class Crypt_Base * outputs. The reason is due to the fact that the initialization vector's change after every encryption / * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. * - * Put another way, when the continuous buffer is enabled, the state of the Crypt_*() object changes after each + * Put another way, when the continuous buffer is enabled, the state of the \phpseclib\Crypt\*() object changes after each * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), * however, they are also less intuitive and more likely to cause you problems. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::disableContinuousBuffer() + * @see self::disableContinuousBuffer() * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function enableContinuousBuffer() { - if ($this->mode == CRYPT_MODE_ECB) { + if ($this->mode == self::MODE_ECB) { return; } $this->continuousBuffer = true; + + $this->_setEngine(); } /** @@ -1163,14 +1525,13 @@ class Crypt_Base * * The default behavior. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::enableContinuousBuffer() + * @see self::enableContinuousBuffer() * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function disableContinuousBuffer() { - if ($this->mode == CRYPT_MODE_ECB) { + if ($this->mode == self::MODE_ECB) { return; } if (!$this->continuousBuffer) { @@ -1179,56 +1540,191 @@ class Crypt_Base $this->continuousBuffer = false; $this->changed = true; + + $this->_setEngine(); + } + + /** + * Test for engine validity + * + * @see self::__construct() + * @param int $engine + * @access public + * @return bool + */ + function isValidEngine($engine) + { + switch ($engine) { + case self::ENGINE_OPENSSL: + if ($this->mode == self::MODE_STREAM && $this->continuousBuffer) { + return false; + } + $this->openssl_emulate_ctr = false; + $result = $this->cipher_name_openssl && + extension_loaded('openssl') && + // PHP 5.3.0 - 5.3.2 did not let you set IV's + version_compare(PHP_VERSION, '5.3.3', '>='); + if (!$result) { + return false; + } + + // prior to PHP 5.4.0 OPENSSL_RAW_DATA and OPENSSL_ZERO_PADDING were not defined. instead of expecting an integer + // $options openssl_encrypt expected a boolean $raw_data. + if (!defined('OPENSSL_RAW_DATA')) { + $this->openssl_options = true; + } else { + $this->openssl_options = OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING; + } + + $methods = openssl_get_cipher_methods(); + if (in_array($this->cipher_name_openssl, $methods)) { + return true; + } + // not all of openssl's symmetric cipher's support ctr. for those + // that don't we'll emulate it + switch ($this->mode) { + case self::MODE_CTR: + if (in_array($this->cipher_name_openssl_ecb, $methods)) { + $this->openssl_emulate_ctr = true; + return true; + } + } + return false; + case self::ENGINE_MCRYPT: + return $this->cipher_name_mcrypt && + extension_loaded('mcrypt') && + in_array($this->cipher_name_mcrypt, @mcrypt_list_algorithms()); + case self::ENGINE_INTERNAL: + return true; + } + + return false; + } + + /** + * Sets the preferred crypt engine + * + * Currently, $engine could be: + * + * - \phpseclib\Crypt\Base::ENGINE_OPENSSL [very fast] + * + * - \phpseclib\Crypt\Base::ENGINE_MCRYPT [fast] + * + * - \phpseclib\Crypt\Base::ENGINE_INTERNAL [slow] + * + * If the preferred crypt engine is not available the fastest available one will be used + * + * @see self::__construct() + * @param int $engine + * @access public + */ + function setPreferredEngine($engine) + { + switch ($engine) { + //case self::ENGINE_OPENSSL; + case self::ENGINE_MCRYPT: + case self::ENGINE_INTERNAL: + $this->preferredEngine = $engine; + break; + default: + $this->preferredEngine = self::ENGINE_OPENSSL; + } + + $this->_setEngine(); + } + + /** + * Returns the engine currently being utilized + * + * @see self::_setEngine() + * @access public + */ + function getEngine() + { + return $this->engine; + } + + /** + * Sets the engine as appropriate + * + * @see self::__construct() + * @access private + */ + function _setEngine() + { + $this->engine = null; + + $candidateEngines = array( + $this->preferredEngine, + self::ENGINE_OPENSSL, + self::ENGINE_MCRYPT + ); + foreach ($candidateEngines as $engine) { + if ($this->isValidEngine($engine)) { + $this->engine = $engine; + break; + } + } + if (!$this->engine) { + $this->engine = self::ENGINE_INTERNAL; + } + + if ($this->engine != self::ENGINE_MCRYPT && $this->enmcrypt) { + // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed, + // (re)open them with the module named in $this->cipher_name_mcrypt + @mcrypt_module_close($this->enmcrypt); + @mcrypt_module_close($this->demcrypt); + $this->enmcrypt = null; + $this->demcrypt = null; + + if ($this->ecb) { + @mcrypt_module_close($this->ecb); + $this->ecb = null; + } + } + + $this->changed = true; } /** * Encrypts a block * - * Note: Must extend by the child Crypt_* class + * Note: Must be extended by the child \phpseclib\Crypt\* class * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ - function _encryptBlock($in) - { - user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); - } + abstract function _encryptBlock($in); /** * Decrypts a block * - * Note: Must extend by the child Crypt_* class + * Note: Must be extended by the child \phpseclib\Crypt\* class * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ - function _decryptBlock($in) - { - user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); - } + abstract function _decryptBlock($in); /** * Setup the key (expansion) * - * Only used if $engine == CRYPT_MODE_INTERNAL + * Only used if $engine == self::ENGINE_INTERNAL * - * Note: Must extend by the child Crypt_* class + * Note: Must extend by the child \phpseclib\Crypt\* class * - * @see Crypt_Base::_setup() + * @see self::_setup() * @access private */ - function _setupKey() - { - user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); - } + abstract function _setupKey(); /** - * Setup the CRYPT_MODE_INTERNAL $engine + * Setup the self::ENGINE_INTERNAL $engine * * (re)init, if necessary, the internal cipher $engine and flush all $buffers - * Used (only) if $engine == CRYPT_MODE_INTERNAL + * Used (only) if $engine == self::ENGINE_INTERNAL * * _setup() will be called each time if $changed === true * typically this happens when using one or more of following public methods: @@ -1241,14 +1737,12 @@ class Crypt_Base * * - First run of encrypt() / decrypt() with no init-settings * - * Internally: _setup() is called always before(!) en/decryption. - * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see setKey() - * @see setIV() - * @see disableContinuousBuffer() + * @see self::setKey() + * @see self::setIV() + * @see self::disableContinuousBuffer() * @access private + * @internal _setup() is always called before en/decryption. + * @internal Could, but not must, extend by the child Crypt_* class */ function _setup() { @@ -1261,10 +1755,10 @@ class Crypt_Base } /** - * Setup the CRYPT_MODE_MCRYPT $engine + * Setup the self::ENGINE_MCRYPT $engine * * (re)init, if necessary, the (ext)mcrypt resources and flush all $buffers - * Used (only) if $engine = CRYPT_MODE_MCRYPT + * Used (only) if $engine = self::ENGINE_MCRYPT * * _setupMcrypt() will be called each time if $changed === true * typically this happens when using one or more of following public methods: @@ -1277,13 +1771,11 @@ class Crypt_Base * * - First run of encrypt() / decrypt() * - * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see setKey() - * @see setIV() - * @see disableContinuousBuffer() + * @see self::setKey() + * @see self::setIV() + * @see self::disableContinuousBuffer() * @access private + * @internal Could, but not must, extend by the child Crypt_* class */ function _setupMcrypt() { @@ -1292,28 +1784,27 @@ class Crypt_Base if (!isset($this->enmcrypt)) { static $mcrypt_modes = array( - CRYPT_MODE_CTR => 'ctr', - CRYPT_MODE_ECB => MCRYPT_MODE_ECB, - CRYPT_MODE_CBC => MCRYPT_MODE_CBC, - CRYPT_MODE_CFB => 'ncfb', - CRYPT_MODE_OFB => MCRYPT_MODE_NOFB, - CRYPT_MODE_STREAM => MCRYPT_MODE_STREAM, + self::MODE_CTR => 'ctr', + self::MODE_ECB => MCRYPT_MODE_ECB, + self::MODE_CBC => MCRYPT_MODE_CBC, + self::MODE_CFB => 'ncfb', + self::MODE_OFB => MCRYPT_MODE_NOFB, + self::MODE_STREAM => MCRYPT_MODE_STREAM, ); - $this->demcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); - $this->enmcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); + $this->demcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); + $this->enmcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); // we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer() // to workaround mcrypt's broken ncfb implementation in buffered mode // see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} - if ($this->mode == CRYPT_MODE_CFB) { - $this->ecb = mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, ''); + if ($this->mode == self::MODE_CFB) { + $this->ecb = @mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, ''); } - } // else should mcrypt_generic_deinit be called? - if ($this->mode == CRYPT_MODE_CFB) { - mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size)); + if ($this->mode == self::MODE_CFB) { + @mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size)); } } @@ -1327,10 +1818,10 @@ class Crypt_Base * If padding is disabled and $text is not a multiple of the blocksize, the string will be padded regardless * and padding will, hence forth, be enabled. * - * @see Crypt_Base::_unpad() - * @param String $text + * @see self::_unpad() + * @param string $text * @access private - * @return String + * @return string */ function _pad($text) { @@ -1356,10 +1847,10 @@ class Crypt_Base * If padding is enabled and the reported padding length is invalid the encryption key will be assumed to be wrong * and false will be returned. * - * @see Crypt_Base::_pad() - * @param String $text + * @see self::_pad() + * @param string $text * @access private - * @return String + * @return string */ function _unpad($text) { @@ -1383,18 +1874,20 @@ class Crypt_Base * after disableContinuousBuffer() or on cipher $engine (re)init * ie after setKey() or setIV() * - * Note: Could, but not must, extend by the child Crypt_* class - * * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function _clearBuffers() { - $this->enbuffer = array('encrypted' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); - $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'demcrypt_init' => true); + $this->enbuffer = $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); // mcrypt's handling of invalid's $iv: // $this->encryptIV = $this->decryptIV = strlen($this->iv) == $this->block_size ? $this->iv : str_repeat("\0", $this->block_size); $this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, "\0"); + + if (!$this->skip_key_adjustment) { + $this->key = str_pad(substr($this->key, 0, $this->key_length), $this->key_length, "\0"); + } } /** @@ -1402,12 +1895,12 @@ class Crypt_Base * * Inspired by array_shift * - * @param String $string - * @param optional Integer $index + * @param string $string + * @param int $index * @access private - * @return String + * @return string */ - function _stringShift(&$string, $index = 1) + function _string_shift(&$string, $index = 1) { $substr = substr($string, 0, $index); $string = substr($string, $index); @@ -1415,43 +1908,57 @@ class Crypt_Base } /** - * Generate CTR XOR encryption key + * String Pop * - * Encrypt the output of this and XOR it against the ciphertext / plaintext to get the - * plaintext / ciphertext in CTR mode. + * Inspired by array_pop * - * @see Crypt_Base::decrypt() - * @see Crypt_Base::encrypt() - * @param String $iv - * @param Integer $length + * @param string $string + * @param int $index * @access private - * @return String $xor + * @return string */ - function _generateXor(&$iv, $length) + function _string_pop(&$string, $index = 1) { - $xor = ''; - $block_size = $this->block_size; - $num_blocks = floor(($length + ($block_size - 1)) / $block_size); - for ($i = 0; $i < $num_blocks; $i++) { - $xor.= $iv; - for ($j = 4; $j <= $block_size; $j+= 4) { - $temp = substr($iv, -$j, 4); - switch ($temp) { - case "\xFF\xFF\xFF\xFF": - $iv = substr_replace($iv, "\x00\x00\x00\x00", -$j, 4); - break; - case "\x7F\xFF\xFF\xFF": - $iv = substr_replace($iv, "\x80\x00\x00\x00", -$j, 4); - break 2; - default: - extract(unpack('Ncount', $temp)); - $iv = substr_replace($iv, pack('N', $count + 1), -$j, 4); - break 2; - } + $substr = substr($string, -$index); + $string = substr($string, 0, -$index); + return $substr; + } + + /** + * Increment the current string + * + * @see self::decrypt() + * @see self::encrypt() + * @param string $var + * @access private + */ + function _increment_str(&$var) + { + for ($i = 4; $i <= strlen($var); $i+= 4) { + $temp = substr($var, -$i, 4); + switch ($temp) { + case "\xFF\xFF\xFF\xFF": + $var = substr_replace($var, "\x00\x00\x00\x00", -$i, 4); + break; + case "\x7F\xFF\xFF\xFF": + $var = substr_replace($var, "\x80\x00\x00\x00", -$i, 4); + return; + default: + $temp = unpack('Nnum', $temp); + $var = substr_replace($var, pack('N', $temp['num'] + 1), -$i, 4); + return; } } - return $xor; + $remainder = strlen($var) % 4; + + if ($remainder == 0) { + return; + } + + $temp = unpack('Nnum', str_pad(substr($var, 0, $remainder), 4, "\0", STR_PAD_LEFT)); + $temp = substr(pack('N', $temp['num'] + 1), -$remainder); + $var = substr_replace($var, $temp, 0, $remainder); } /** @@ -1464,7 +1971,7 @@ class Crypt_Base * * _setupInlineCrypt() would be called only if: * - * - $engine == CRYPT_MODE_INTERNAL and + * - $engine == self::ENGINE_INTERNAL and * * - $use_inline_crypt === true * @@ -1499,7 +2006,7 @@ class Crypt_Base * - short (as good as possible) * * Note: - _setupInlineCrypt() is using _createInlineCryptFunction() to create the full callback function code. - * - In case of using inline crypting, _setupInlineCrypt() must extend by the child Crypt_* class. + * - In case of using inline crypting, _setupInlineCrypt() must extend by the child \phpseclib\Crypt\* class. * - The following variable names are reserved: * - $_* (all variable names prefixed with an underscore) * - $self (object reference to it self. Do not use $this, but $self instead) @@ -1507,19 +2014,18 @@ class Crypt_Base * - The callback function should not use the 'return' statement, but en/decrypt'ing the content of $in only * * - * @see Crypt_Base::_setup() - * @see Crypt_Base::_createInlineCryptFunction() - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() + * @see self::_setup() + * @see self::_createInlineCryptFunction() + * @see self::encrypt() + * @see self::decrypt() * @access private + * @internal If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt() */ function _setupInlineCrypt() { - // If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt() - - // If, for any reason, an extending Crypt_Base() Crypt_* class + // If, for any reason, an extending \phpseclib\Crypt\Base() \phpseclib\Crypt\* class // not using inline crypting then it must be ensured that: $this->use_inline_crypt = false - // ie in the class var declaration of $use_inline_crypt in general for the Crypt_* class, + // ie in the class var declaration of $use_inline_crypt in general for the \phpseclib\Crypt\* class, // in the constructor at object instance-time // or, if it's runtime-specific, at runtime @@ -1616,7 +2122,7 @@ class Crypt_Base * +----------------------------------------------------------------------------------------------+ * * - * See also the Crypt_*::_setupInlineCrypt()'s for + * See also the \phpseclib\Crypt\*::_setupInlineCrypt()'s for * productive inline $cipher_code's how they works. * * Structure of: @@ -1630,12 +2136,12 @@ class Crypt_Base * ); * * - * @see Crypt_Base::_setupInlineCrypt() - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @param Array $cipher_code + * @see self::_setupInlineCrypt() + * @see self::encrypt() + * @see self::decrypt() + * @param array $cipher_code * @access private - * @return String (the name of the created callback function) + * @return string (the name of the created callback function) */ function _createInlineCryptFunction($cipher_code) { @@ -1653,10 +2159,9 @@ class Crypt_Base // merged with the $cipher_code algorithm // for encrypt- and decryption. switch ($this->mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: $encrypt = $init_encrypt . ' $_ciphertext = ""; - $_text = $self->_pad($_text); $_plaintext_len = strlen($_text); for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { @@ -1682,29 +2187,30 @@ class Crypt_Base return $self->_unpad($_plaintext); '; break; - case CRYPT_MODE_CTR: + case self::MODE_CTR: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); $_xor = $self->encryptIV; $_buffer = &$self->enbuffer; - - if (strlen($_buffer["encrypted"])) { + if (strlen($_buffer["ciphertext"])) { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["encrypted"])) { - $in = $self->_generateXor($_xor, '.$block_size.'); + if (strlen($_block) > strlen($_buffer["ciphertext"])) { + $in = $_xor; '.$encrypt_block.' - $_buffer["encrypted"].= $in; + $self->_increment_str($_xor); + $_buffer["ciphertext"].= $in; } - $_key = $self->_stringShift($_buffer["encrypted"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); $_ciphertext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); - $in = $self->_generateXor($_xor, '.$block_size.'); + $in = $_xor; '.$encrypt_block.' + $self->_increment_str($_xor); $_key = $in; $_ciphertext.= $_block ^ $_key; } @@ -1712,7 +2218,7 @@ class Crypt_Base if ($self->continuousBuffer) { $self->encryptIV = $_xor; if ($_start = $_plaintext_len % '.$block_size.') { - $_buffer["encrypted"] = substr($_key, $_start) . $_buffer["encrypted"]; + $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; } } @@ -1729,18 +2235,20 @@ class Crypt_Base for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); if (strlen($_block) > strlen($_buffer["ciphertext"])) { - $in = $self->_generateXor($_xor, '.$block_size.'); + $in = $_xor; '.$encrypt_block.' + $self->_increment_str($_xor); $_buffer["ciphertext"].= $in; } - $_key = $self->_stringShift($_buffer["ciphertext"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); $_plaintext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); - $in = $self->_generateXor($_xor, '.$block_size.'); + $in = $_xor; '.$encrypt_block.' + $self->_increment_str($_xor); $_key = $in; $_plaintext.= $_block ^ $_key; } @@ -1755,7 +2263,7 @@ class Crypt_Base return $_plaintext; '; break; - case CRYPT_MODE_CFB: + case self::MODE_CFB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_buffer = &$self->enbuffer; @@ -1854,7 +2362,7 @@ class Crypt_Base return $_plaintext; '; break; - case CRYPT_MODE_OFB: + case self::MODE_OFB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); @@ -1870,7 +2378,7 @@ class Crypt_Base $_xor = $in; $_buffer["xor"].= $_xor; } - $_key = $self->_stringShift($_buffer["xor"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); $_ciphertext.= $_block ^ $_key; } } else { @@ -1906,7 +2414,7 @@ class Crypt_Base $_xor = $in; $_buffer["xor"].= $_xor; } - $_key = $self->_stringShift($_buffer["xor"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); $_plaintext.= $_block ^ $_key; } } else { @@ -1927,7 +2435,7 @@ class Crypt_Base return $_plaintext; '; break; - case CRYPT_MODE_STREAM: + case self::MODE_STREAM: $encrypt = $init_encrypt . ' $_ciphertext = ""; '.$encrypt_block.' @@ -1939,11 +2447,10 @@ class Crypt_Base return $_plaintext; '; break; - // case CRYPT_MODE_CBC: + // case self::MODE_CBC: default: $encrypt = $init_encrypt . ' $_ciphertext = ""; - $_text = $self->_pad($_text); $_plaintext_len = strlen($_text); $in = $self->encryptIV; @@ -1996,16 +2503,51 @@ class Crypt_Base * is stored, classwide (!), here for reusing. * * The string-based index of $function is a classwide - * uniqe value representing, at least, the $mode of + * unique value representing, at least, the $mode of * operation (or more... depends of the optimizing level) * for which $mode the lambda function was created. * * @access private - * @return &Array + * @return array &$functions */ function &_getLambdaFunctions() { static $functions = array(); return $functions; } + + /** + * Generates a digest from $bytes + * + * @see self::_setupInlineCrypt() + * @access private + * @param $bytes + * @return string + */ + function _hashInlineCryptFunction($bytes) + { + if (!isset(self::$WHIRLPOOL_AVAILABLE)) { + self::$WHIRLPOOL_AVAILABLE = extension_loaded('hash') && in_array('whirlpool', hash_algos()); + } + + $result = ''; + $hash = $bytes; + + switch (true) { + case self::$WHIRLPOOL_AVAILABLE: + foreach (str_split($bytes, 64) as $t) { + $hash = hash('whirlpool', $hash, true); + $result .= $t ^ $hash; + } + return $result . hash('whirlpool', $hash, true); + default: + $len = strlen($bytes); + for ($i = 0; $i < $len; $i+=20) { + $t = substr($bytes, $i, 20); + $hash = pack('H*', sha1($hash)); + $result .= $t ^ $hash; + } + return $result . pack('H*', sha1($hash)); + } + } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Blowfish.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Blowfish.php index f39f17d74..3949e8123 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Blowfish.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Blowfish.php @@ -5,7 +5,7 @@ * * Uses mcrypt, if available, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * * Useful resources are as follows: * @@ -14,9 +14,9 @@ * Here's a short example of how to use this library: * * setKey('12345678901234567890123456789012'); * @@ -26,26 +26,8 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Blowfish + * @package Blowfish * @author Jim Wigginton * @author Hans-Juergen Petrich * @copyright 2007 Jim Wigginton @@ -53,111 +35,32 @@ * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} - -/**#@+ - * @access public - * @see Crypt_Blowfish::encrypt() - * @see Crypt_Blowfish::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_BLOWFISH_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_BLOWFISH_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_BLOWFISH_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_BLOWFISH_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_BLOWFISH_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_BLOWFISH_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_BLOWFISH_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of Blowfish. * - * @package Crypt_Blowfish + * @package Blowfish * @author Jim Wigginton * @author Hans-Juergen Petrich * @access public */ -class Crypt_Blowfish extends Crypt_Base +class Blowfish extends Base { /** * Block Length of the cipher * - * @see Crypt_Base::block_size - * @var Integer + * @see \phpseclib\Crypt\Base::block_size + * @var int * @access private */ var $block_size = 8; - /** - * The default password key_size used by setPassword() - * - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() - * @var Integer - * @access private - */ - var $password_key_size = 56; - - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'BLOWFISH'; - /** * The mcrypt specific name of the cipher * - * @see Crypt_Base::cipher_name_mcrypt - * @var String + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @var string * @access private */ var $cipher_name_mcrypt = 'blowfish'; @@ -165,8 +68,8 @@ class Crypt_Blowfish extends Crypt_Base /** * Optimizing value while CFB-encrypting * - * @see Crypt_Base::cfb_init_len - * @var Integer + * @see \phpseclib\Crypt\Base::cfb_init_len + * @var int * @access private */ var $cfb_init_len = 500; @@ -174,12 +77,12 @@ class Crypt_Blowfish extends Crypt_Base /** * The fixed subkeys boxes ($sbox0 - $sbox3) with 256 entries each * - * S-Box 1 + * S-Box 0 * * @access private * @var array */ - var $sbox0 = array ( + var $sbox0 = array( 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, @@ -340,7 +243,7 @@ class Crypt_Blowfish extends Crypt_Base /** * P-Array consists of 18 32-bit subkeys * - * @var array $parray + * @var array * @access private */ var $parray = array( @@ -354,7 +257,7 @@ class Crypt_Blowfish extends Crypt_Base * * Holds the expanded key [p] and the key-depended s-boxes [sb] * - * @var array $bctx + * @var array * @access private */ var $bctx; @@ -362,43 +265,72 @@ class Crypt_Blowfish extends Crypt_Base /** * Holds the last used key * - * @var Array + * @var array * @access private */ var $kl; /** - * Sets the key. + * The Key Length (in bytes) * - * Keys can be of any length. Blowfish, itself, requires the use of a key between 32 and max. 448-bits long. - * If the key is less than 32-bits we NOT fill the key to 32bit but let the key as it is to be compatible - * with mcrypt because mcrypt act this way with blowfish key's < 32 bits. + * @see \phpseclib\Crypt\Base::setKeyLength() + * @var int + * @access private + * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk + * because the encryption / decryption / key schedule creation requires this number and not $key_length. We could + * derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu + * of that, we'll just precompute it once. + */ + var $key_length = 16; + + /** + * Sets the key length. * - * If the key is more than 448-bits, we trim the excess bits. - * - * If the key is not explicitly set, or empty, it'll be assumed a 128 bits key to be all null bytes. + * Key lengths can be between 32 and 448 bits. * * @access public - * @see Crypt_Base::setKey() - * @param String $key + * @param int $length */ - function setKey($key) + function setKeyLength($length) { - $keylength = strlen($key); - - if (!$keylength) { - $key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; - } elseif ($keylength > 56) { - $key = substr($key, 0, 56); + if ($length < 32) { + $this->key_length = 7; + } elseif ($length > 448) { + $this->key_length = 56; + } else { + $this->key_length = $length >> 3; } - parent::setKey($key); + parent::setKeyLength($length); + } + + /** + * Test for engine validity + * + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() + * + * @see \phpseclib\Crypt\Base::isValidEngine() + * @param int $engine + * @access public + * @return bool + */ + function isValidEngine($engine) + { + if ($engine == self::ENGINE_OPENSSL) { + if ($this->key_length != 16) { + return false; + } + $this->cipher_name_openssl_ecb = 'bf-ecb'; + $this->cipher_name_openssl = 'bf-' . $this->_openssl_translate_mode(); + } + + return parent::isValidEngine($engine); } /** * Setup the key (expansion) * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -455,8 +387,8 @@ class Crypt_Blowfish extends Crypt_Base * Encrypts a block * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _encryptBlock($in) { @@ -472,17 +404,17 @@ class Crypt_Blowfish extends Crypt_Base $r = $in[2]; for ($i = 0; $i < 16; $i+= 2) { - $l^= $p[$i]; - $r^= ($sb_0[$l >> 24 & 0xff] + - $sb_1[$l >> 16 & 0xff] ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]; + $l^= $p[$i]; + $r^= ($sb_0[$l >> 24 & 0xff] + + $sb_1[$l >> 16 & 0xff] ^ + $sb_2[$l >> 8 & 0xff]) + + $sb_3[$l & 0xff]; - $r^= $p[$i + 1]; - $l^= ($sb_0[$r >> 24 & 0xff] + - $sb_1[$r >> 16 & 0xff] ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]; + $r^= $p[$i + 1]; + $l^= ($sb_0[$r >> 24 & 0xff] + + $sb_1[$r >> 16 & 0xff] ^ + $sb_2[$r >> 8 & 0xff]) + + $sb_3[$r & 0xff]; } return pack("N*", $r ^ $p[17], $l ^ $p[16]); } @@ -491,8 +423,8 @@ class Crypt_Blowfish extends Crypt_Base * Decrypts a block * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _decryptBlock($in) { @@ -519,30 +451,28 @@ class Crypt_Blowfish extends Crypt_Base $sb_2[$r >> 8 & 0xff]) + $sb_3[$r & 0xff]; } - return pack("N*", $r ^ $p[0], $l ^ $p[1]); } /** * Setup the performance-optimized function for de/encrypt() * - * @see Crypt_Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() * @access private */ function _setupInlineCrypt() { - $lambda_functions =& Crypt_Blowfish::_getLambdaFunctions(); + $lambda_functions =& self::_getLambdaFunctions(); // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. + // (Currently, for Blowfish, one generated $lambda_function cost on php5.5@32bit ~100kb unfreeable mem and ~180kb on php5.5@64bit) // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one. - $gen_hi_opt_code = (bool)( count($lambda_functions) < 10); + $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - switch (true) { - case $gen_hi_opt_code: - $code_hash = md5(str_pad("Crypt_Blowfish, {$this->mode}, ", 32, "\0") . $this->key); - break; - default: - $code_hash = "Crypt_Blowfish, {$this->mode}"; + // Generation of a unique hash for our generated code + $code_hash = "Crypt_Blowfish, {$this->mode}"; + if ($gen_hi_opt_code) { + $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); } if (!isset($lambda_functions[$code_hash])) { diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/DES.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/DES.php index f92f30b2d..512204691 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/DES.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/DES.php @@ -5,7 +5,7 @@ * * Uses mcrypt, if available, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * * Useful resources are as follows: * @@ -16,9 +16,9 @@ * Here's a short example of how to use this library: * * setKey('abcdefgh'); * @@ -32,170 +32,87 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_DES + * @package DES * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} - -/**#@+ - * @access private - * @see Crypt_DES::_setupKey() - * @see Crypt_DES::_processBlock() - */ -/** - * Contains $keys[CRYPT_DES_ENCRYPT] - */ -define('CRYPT_DES_ENCRYPT', 0); -/** - * Contains $keys[CRYPT_DES_DECRYPT] - */ -define('CRYPT_DES_DECRYPT', 1); -/**#@-*/ - -/**#@+ - * @access public - * @see Crypt_DES::encrypt() - * @see Crypt_DES::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_DES_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_DES_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_DES_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_DES_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_DES_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_DES_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_DES_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of DES. * - * @package Crypt_DES + * @package DES * @author Jim Wigginton * @access public */ -class Crypt_DES extends Crypt_Base +class DES extends Base { + /**#@+ + * @access private + * @see \phpseclib\Crypt\DES::_setupKey() + * @see \phpseclib\Crypt\DES::_processBlock() + */ + /** + * Contains $keys[self::ENCRYPT] + */ + const ENCRYPT = 0; + /** + * Contains $keys[self::DECRYPT] + */ + const DECRYPT = 1; + /**#@-*/ + /** * Block Length of the cipher * - * @see Crypt_Base::block_size - * @var Integer + * @see \phpseclib\Crypt\Base::block_size + * @var int * @access private */ var $block_size = 8; /** - * The Key + * Key Length (in bytes) * - * @see Crypt_Base::key - * @see setKey() - * @var String + * @see \phpseclib\Crypt\Base::setKeyLength() + * @var int * @access private */ - var $key = "\0\0\0\0\0\0\0\0"; - - /** - * The default password key_size used by setPassword() - * - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() - * @var Integer - * @access private - */ - var $password_key_size = 8; - - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'DES'; + var $key_length = 8; /** * The mcrypt specific name of the cipher * - * @see Crypt_Base::cipher_name_mcrypt - * @var String + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @var string * @access private */ var $cipher_name_mcrypt = 'des'; + /** + * The OpenSSL names of the cipher / modes + * + * @see \phpseclib\Crypt\Base::openssl_mode_names + * @var array + * @access private + */ + var $openssl_mode_names = array( + self::MODE_ECB => 'des-ecb', + self::MODE_CBC => 'des-cbc', + self::MODE_CFB => 'des-cfb', + self::MODE_OFB => 'des-ofb' + // self::MODE_CTR is undefined for DES + ); + /** * Optimizing value while CFB-encrypting * - * @see Crypt_Base::cfb_init_len - * @var Integer + * @see \phpseclib\Crypt\Base::cfb_init_len + * @var int * @access private */ var $cfb_init_len = 500; @@ -203,11 +120,11 @@ class Crypt_DES extends Crypt_Base /** * Switch for DES/3DES encryption * - * Used only if $engine == CRYPT_DES_MODE_INTERNAL + * Used only if $engine == self::ENGINE_INTERNAL * - * @see Crypt_DES::_setupKey() - * @see Crypt_DES::_processBlock() - * @var Integer + * @see self::_setupKey() + * @see self::_processBlock() + * @var int * @access private */ var $des_rounds = 1; @@ -215,17 +132,17 @@ class Crypt_DES extends Crypt_Base /** * max possible size of $key * - * @see Crypt_DES::setKey() - * @var String + * @see self::setKey() + * @var string * @access private */ - var $key_size_max = 8; + var $key_length_max = 8; /** * The Key Schedule * - * @see Crypt_DES::_setupKey() - * @var Array + * @see self::_setupKey() + * @var array * @access private */ var $keys; @@ -237,9 +154,9 @@ class Crypt_DES extends Crypt_Base * with each byte containing all bits in the same state as the * corresponding bit in the index value. * - * @see Crypt_DES::_processBlock() - * @see Crypt_DES::_setupKey() - * @var Array + * @see self::_processBlock() + * @see self::_setupKey() + * @var array * @access private */ var $shuffle = array( @@ -378,7 +295,7 @@ class Crypt_DES extends Crypt_Base * * Indexing this table with each source byte performs the initial bit permutation. * - * @var Array + * @var array * @access private */ var $ipmap = array( @@ -420,7 +337,7 @@ class Crypt_DES extends Crypt_Base * Inverse IP mapping helper table. * Indexing this table with a byte value reverses the bit order. * - * @var Array + * @var array * @access private */ var $invipmap = array( @@ -464,7 +381,7 @@ class Crypt_DES extends Crypt_Base * Each box ($sbox1-$sbox8) has been vectorized, then each value pre-permuted using the * P table: concatenation can then be replaced by exclusive ORs. * - * @var Array + * @var array * @access private */ var $sbox1 = array( @@ -489,7 +406,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box2 * - * @var Array + * @var array * @access private */ var $sbox2 = array( @@ -514,7 +431,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box3 * - * @var Array + * @var array * @access private */ var $sbox3 = array( @@ -539,7 +456,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box4 * - * @var Array + * @var array * @access private */ var $sbox4 = array( @@ -564,7 +481,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box5 * - * @var Array + * @var array * @access private */ var $sbox5 = array( @@ -589,7 +506,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box6 * - * @var Array + * @var array * @access private */ var $sbox6 = array( @@ -614,7 +531,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box7 * - * @var Array + * @var array * @access private */ var $sbox7 = array( @@ -639,7 +556,7 @@ class Crypt_DES extends Crypt_Base /** * Pre-permuted S-box8 * - * @var Array + * @var array * @access private */ var $sbox8 = array( @@ -661,6 +578,28 @@ class Crypt_DES extends Crypt_Base 0x00000820, 0x00020020, 0x08000000, 0x08020800 ); + /** + * Test for engine validity + * + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() + * + * @see \phpseclib\Crypt\Base::isValidEngine() + * @param int $engine + * @access public + * @return bool + */ + function isValidEngine($engine) + { + if ($this->key_length_max == 8) { + if ($engine == self::ENGINE_OPENSSL) { + $this->cipher_name_openssl_ecb = 'des-ecb'; + $this->cipher_name_openssl = 'des-' . $this->_openssl_translate_mode(); + } + } + + return parent::isValidEngine($engine); + } + /** * Sets the key. * @@ -672,16 +611,16 @@ class Crypt_DES extends Crypt_Base * * If the key is not explicitly set, it'll be assumed to be all zero's. * - * @see Crypt_Base::setKey() + * @see \phpseclib\Crypt\Base::setKey() * @access public - * @param String $key + * @param string $key */ function setKey($key) { // We check/cut here only up to max length of the key. // Key padding to the proper length will be done in _setupKey() - if (strlen($key) > $this->key_size_max) { - $key = substr($key, 0, $this->key_size_max); + if (strlen($key) > $this->key_length_max) { + $key = substr($key, 0, $this->key_length_max); } // Sets the key @@ -691,46 +630,46 @@ class Crypt_DES extends Crypt_Base /** * Encrypts a block * - * @see Crypt_Base::_encryptBlock() - * @see Crypt_Base::encrypt() - * @see Crypt_DES::encrypt() + * @see \phpseclib\Crypt\Base::_encryptBlock() + * @see \phpseclib\Crypt\Base::encrypt() + * @see self::encrypt() * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _encryptBlock($in) { - return $this->_processBlock($in, CRYPT_DES_ENCRYPT); + return $this->_processBlock($in, self::ENCRYPT); } /** * Decrypts a block * - * @see Crypt_Base::_decryptBlock() - * @see Crypt_Base::decrypt() - * @see Crypt_DES::decrypt() + * @see \phpseclib\Crypt\Base::_decryptBlock() + * @see \phpseclib\Crypt\Base::decrypt() + * @see self::decrypt() * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _decryptBlock($in) { - return $this->_processBlock($in, CRYPT_DES_DECRYPT); + return $this->_processBlock($in, self::DECRYPT); } /** * Encrypts or decrypts a 64-bit block * - * $mode should be either CRYPT_DES_ENCRYPT or CRYPT_DES_DECRYPT. See + * $mode should be either self::ENCRYPT or self::DECRYPT. See * {@link http://en.wikipedia.org/wiki/Image:Feistel.png Feistel.png} to get a general * idea of what this function does. * - * @see Crypt_DES::_encryptBlock() - * @see Crypt_DES::_decryptBlock() + * @see self::_encryptBlock() + * @see self::_decryptBlock() * @access private - * @param String $block - * @param Integer $mode - * @return String + * @param string $block + * @param int $mode + * @return string */ function _processBlock($block, $mode) { @@ -810,7 +749,7 @@ class Crypt_DES extends Crypt_Base /** * Creates the key schedule * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -1291,8 +1230,8 @@ class Crypt_DES extends Crypt_Base $d = (($key['d'] >> 4) & 0x0FFFFFF0) | ($key['c'] & 0x0F); $keys[$des_round] = array( - CRYPT_DES_ENCRYPT => array(), - CRYPT_DES_DECRYPT => array_fill(0, 32, 0) + self::ENCRYPT => array(), + self::DECRYPT => array_fill(0, 32, 0) ); for ($i = 0, $ki = 31; $i < 16; ++$i, $ki-= 2) { $c <<= $shifts[$i]; @@ -1311,33 +1250,33 @@ class Crypt_DES extends Crypt_Base (($dp >> 16) & 0x0000FF00) | (($dp >> 8) & 0x000000FF); $val2 = (($cp << 8) & 0xFF000000) | (($cp << 16) & 0x00FF0000) | (($dp >> 8) & 0x0000FF00) | ( $dp & 0x000000FF); - $keys[$des_round][CRYPT_DES_ENCRYPT][ ] = $val1; - $keys[$des_round][CRYPT_DES_DECRYPT][$ki - 1] = $val1; - $keys[$des_round][CRYPT_DES_ENCRYPT][ ] = $val2; - $keys[$des_round][CRYPT_DES_DECRYPT][$ki ] = $val2; + $keys[$des_round][self::ENCRYPT][ ] = $val1; + $keys[$des_round][self::DECRYPT][$ki - 1] = $val1; + $keys[$des_round][self::ENCRYPT][ ] = $val2; + $keys[$des_round][self::DECRYPT][$ki ] = $val2; } } switch ($this->des_rounds) { case 3: // 3DES keys $this->keys = array( - CRYPT_DES_ENCRYPT => array_merge( - $keys[0][CRYPT_DES_ENCRYPT], - $keys[1][CRYPT_DES_DECRYPT], - $keys[2][CRYPT_DES_ENCRYPT] + self::ENCRYPT => array_merge( + $keys[0][self::ENCRYPT], + $keys[1][self::DECRYPT], + $keys[2][self::ENCRYPT] ), - CRYPT_DES_DECRYPT => array_merge( - $keys[2][CRYPT_DES_DECRYPT], - $keys[1][CRYPT_DES_ENCRYPT], - $keys[0][CRYPT_DES_DECRYPT] + self::DECRYPT => array_merge( + $keys[2][self::DECRYPT], + $keys[1][self::ENCRYPT], + $keys[0][self::DECRYPT] ) ); break; // case 1: // DES keys default: $this->keys = array( - CRYPT_DES_ENCRYPT => $keys[0][CRYPT_DES_ENCRYPT], - CRYPT_DES_DECRYPT => $keys[0][CRYPT_DES_DECRYPT] + self::ENCRYPT => $keys[0][self::ENCRYPT], + self::DECRYPT => $keys[0][self::DECRYPT] ); } } @@ -1345,12 +1284,12 @@ class Crypt_DES extends Crypt_Base /** * Setup the performance-optimized function for de/encrypt() * - * @see Crypt_Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() * @access private */ function _setupInlineCrypt() { - $lambda_functions =& Crypt_DES::_getLambdaFunctions(); + $lambda_functions =& self::_getLambdaFunctions(); // Engine configuration for: // - DES ($des_rounds == 1) or @@ -1358,21 +1297,20 @@ class Crypt_DES extends Crypt_Base $des_rounds = $this->des_rounds; // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. + // (Currently, for DES, one generated $lambda_function cost on php5.5@32bit ~135kb unfreeable mem and ~230kb on php5.5@64bit) + // (Currently, for TripleDES, one generated $lambda_function cost on php5.5@32bit ~240kb unfreeable mem and ~340kb on php5.5@64bit) // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one $gen_hi_opt_code = (bool)( count($lambda_functions) < 10 ); - // Generation of a uniqe hash for our generated code - switch (true) { - case $gen_hi_opt_code: - // For hi-optimized code, we create for each combination of - // $mode, $des_rounds and $this->key its own encrypt/decrypt function. - $code_hash = md5(str_pad("Crypt_DES, $des_rounds, {$this->mode}, ", 32, "\0") . $this->key); - break; - default: - // After max 10 hi-optimized functions, we create generic - // (still very fast.. but not ultra) functions for each $mode/$des_rounds - // Currently 2 * 5 generic functions will be then max. possible. - $code_hash = "Crypt_DES, $des_rounds, {$this->mode}"; + // Generation of a unique hash for our generated code + $code_hash = "Crypt_DES, $des_rounds, {$this->mode}"; + if ($gen_hi_opt_code) { + // For hi-optimized code, we create for each combination of + // $mode, $des_rounds and $this->key its own encrypt/decrypt function. + // After max 10 hi-optimized functions, we create generic + // (still very fast.. but not ultra) functions for each $mode/$des_rounds + // Currently 2 * 5 generic functions will be then max. possible. + $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); } // Is there a re-usable $lambda_functions in there? If not, we have to create it. @@ -1402,8 +1340,8 @@ class Crypt_DES extends Crypt_Base // No futher initialisation of the $keys schedule is necessary. // That is the extra performance boost. $k = array( - CRYPT_DES_ENCRYPT => $this->keys[CRYPT_DES_ENCRYPT], - CRYPT_DES_DECRYPT => $this->keys[CRYPT_DES_DECRYPT] + self::ENCRYPT => $this->keys[self::ENCRYPT], + self::DECRYPT => $this->keys[self::DECRYPT] ); $init_encrypt = ''; $init_decrypt = ''; @@ -1412,22 +1350,21 @@ class Crypt_DES extends Crypt_Base // In generic optimized code mode, we have to use, as the best compromise [currently], // our key schedule as $ke/$kd arrays. (with hardcoded indexes...) $k = array( - CRYPT_DES_ENCRYPT => array(), - CRYPT_DES_DECRYPT => array() + self::ENCRYPT => array(), + self::DECRYPT => array() ); - for ($i = 0, $c = count($this->keys[CRYPT_DES_ENCRYPT]); $i < $c; ++$i) { - $k[CRYPT_DES_ENCRYPT][$i] = '$ke[' . $i . ']'; - $k[CRYPT_DES_DECRYPT][$i] = '$kd[' . $i . ']'; + for ($i = 0, $c = count($this->keys[self::ENCRYPT]); $i < $c; ++$i) { + $k[self::ENCRYPT][$i] = '$ke[' . $i . ']'; + $k[self::DECRYPT][$i] = '$kd[' . $i . ']'; } - $init_encrypt = '$ke = $self->keys[CRYPT_DES_ENCRYPT];'; - $init_decrypt = '$kd = $self->keys[CRYPT_DES_DECRYPT];'; + $init_encrypt = '$ke = $self->keys[self::ENCRYPT];'; + $init_decrypt = '$kd = $self->keys[self::DECRYPT];'; break; } // Creating code for en- and decryption. $crypt_block = array(); - foreach (array(CRYPT_DES_ENCRYPT, CRYPT_DES_DECRYPT) as $c) { - + foreach (array(self::ENCRYPT, self::DECRYPT) as $c) { /* Do the initial IP permutation. */ $crypt_block[$c] = ' $in = unpack("N*", $in); @@ -1494,8 +1431,8 @@ class Crypt_DES extends Crypt_Base 'init_crypt' => $init_crypt, 'init_encrypt' => $init_encrypt, 'init_decrypt' => $init_decrypt, - 'encrypt_block' => $crypt_block[CRYPT_DES_ENCRYPT], - 'decrypt_block' => $crypt_block[CRYPT_DES_DECRYPT] + 'encrypt_block' => $crypt_block[self::ENCRYPT], + 'decrypt_block' => $crypt_block[self::DECRYPT] ) ); } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Hash.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Hash.php index 4ab75b2db..07665a165 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Hash.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Hash.php @@ -7,10 +7,10 @@ * * md2, md5, md5-96, sha1, sha1-96, sha256, sha256-96, sha384, and sha512, sha512-96 * - * If {@link Crypt_Hash::setKey() setKey()} is called, {@link Crypt_Hash::hash() hash()} will return the HMAC as opposed to + * If {@link self::setKey() setKey()} is called, {@link self::hash() hash()} will return the HMAC as opposed to * the hash. If no valid algorithm is provided, sha1 will be used. * - * PHP versions 4 and 5 + * PHP version 5 * * {@internal The variable names are the same as those in * {@link http://tools.ietf.org/html/rfc2104#section-2 RFC2104}.}} @@ -18,9 +18,9 @@ * Here's a short example of how to use this library: * * setKey('abcdefg'); * @@ -28,64 +28,50 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Hash + * @package Hash * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/**#@+ - * @access private - * @see Crypt_Hash::Crypt_Hash() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_HASH_MODE_INTERNAL', 1); -/** - * Toggles the mhash() implementation, which has been deprecated on PHP 5.3.0+. - */ -define('CRYPT_HASH_MODE_MHASH', 2); -/** - * Toggles the hash() implementation, which works on PHP 5.1.2+. - */ -define('CRYPT_HASH_MODE_HASH', 3); -/**#@-*/ +namespace phpseclib\Crypt; + +use phpseclib\Math\BigInteger; /** * Pure-PHP implementations of keyed-hash message authentication codes (HMACs) and various cryptographic hashing functions. * - * @package Crypt_Hash + * @package Hash * @author Jim Wigginton * @access public */ -class Crypt_Hash +class Hash { + /**#@+ + * @access private + * @see \phpseclib\Crypt\Hash::__construct() + */ + /** + * Toggles the internal implementation + */ + const MODE_INTERNAL = 1; + /** + * Toggles the mhash() implementation, which has been deprecated on PHP 5.3.0+. + */ + const MODE_MHASH = 2; + /** + * Toggles the hash() implementation, which works on PHP 5.1.2+. + */ + const MODE_HASH = 3; + /**#@-*/ + /** * Hash Parameter * - * @see Crypt_Hash::setHash() - * @var Integer + * @see self::setHash() + * @var int * @access private */ var $hashParam; @@ -93,8 +79,8 @@ class Crypt_Hash /** * Byte-length of compression blocks / key (Internal HMAC) * - * @see Crypt_Hash::setAlgorithm() - * @var Integer + * @see self::setAlgorithm() + * @var int * @access private */ var $b; @@ -102,8 +88,8 @@ class Crypt_Hash /** * Byte-length of hash output (Internal HMAC) * - * @see Crypt_Hash::setHash() - * @var Integer + * @see self::setHash() + * @var int * @access private */ var $l = false; @@ -111,8 +97,8 @@ class Crypt_Hash /** * Hash Algorithm * - * @see Crypt_Hash::setHash() - * @var String + * @see self::setHash() + * @var string * @access private */ var $hash; @@ -120,8 +106,8 @@ class Crypt_Hash /** * Key * - * @see Crypt_Hash::setKey() - * @var String + * @see self::setKey() + * @var string * @access private */ var $key = false; @@ -129,8 +115,8 @@ class Crypt_Hash /** * Outer XOR (Internal HMAC) * - * @see Crypt_Hash::setKey() - * @var String + * @see self::setKey() + * @var string * @access private */ var $opad; @@ -138,8 +124,8 @@ class Crypt_Hash /** * Inner XOR (Internal HMAC) * - * @see Crypt_Hash::setKey() - * @var String + * @see self::setKey() + * @var string * @access private */ var $ipad; @@ -147,22 +133,22 @@ class Crypt_Hash /** * Default Constructor. * - * @param optional String $hash - * @return Crypt_Hash + * @param string $hash + * @return \phpseclib\Crypt\Hash * @access public */ - function Crypt_Hash($hash = 'sha1') + function __construct($hash = 'sha1') { - if ( !defined('CRYPT_HASH_MODE') ) { + if (!defined('CRYPT_HASH_MODE')) { switch (true) { case extension_loaded('hash'): - define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_HASH); + define('CRYPT_HASH_MODE', self::MODE_HASH); break; case extension_loaded('mhash'): - define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_MHASH); + define('CRYPT_HASH_MODE', self::MODE_MHASH); break; default: - define('CRYPT_HASH_MODE', CRYPT_HASH_MODE_INTERNAL); + define('CRYPT_HASH_MODE', self::MODE_INTERNAL); } } @@ -175,7 +161,7 @@ class Crypt_Hash * Keys can be of any length. * * @access public - * @param optional String $key + * @param string $key */ function setKey($key = false) { @@ -188,7 +174,7 @@ class Crypt_Hash * As set by the constructor or by the setHash() method. * * @access public - * @return String + * @return string */ function getHash() { @@ -199,7 +185,7 @@ class Crypt_Hash * Sets the hash function. * * @access public - * @param String $hash + * @param string $hash */ function setHash($hash) { @@ -231,19 +217,19 @@ class Crypt_Hash switch ($hash) { case 'md2': - $mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_HASH && in_array('md2', hash_algos()) ? - CRYPT_HASH_MODE_HASH : CRYPT_HASH_MODE_INTERNAL; + $mode = CRYPT_HASH_MODE == self::MODE_HASH && in_array('md2', hash_algos()) ? + self::MODE_HASH : self::MODE_INTERNAL; break; case 'sha384': case 'sha512': - $mode = CRYPT_HASH_MODE == CRYPT_HASH_MODE_MHASH ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE; + $mode = CRYPT_HASH_MODE == self::MODE_MHASH ? self::MODE_INTERNAL : CRYPT_HASH_MODE; break; default: $mode = CRYPT_HASH_MODE; } - switch ( $mode ) { - case CRYPT_HASH_MODE_MHASH: + switch ($mode) { + case self::MODE_MHASH: switch ($hash) { case 'md5': $this->hash = MHASH_MD5; @@ -256,7 +242,7 @@ class Crypt_Hash $this->hash = MHASH_SHA1; } return; - case CRYPT_HASH_MODE_HASH: + case self::MODE_HASH: switch ($hash) { case 'md5': $this->hash = 'md5'; @@ -276,26 +262,26 @@ class Crypt_Hash switch ($hash) { case 'md2': - $this->b = 16; - $this->hash = array($this, '_md2'); - break; + $this->b = 16; + $this->hash = array($this, '_md2'); + break; case 'md5': - $this->b = 64; - $this->hash = array($this, '_md5'); - break; + $this->b = 64; + $this->hash = array($this, '_md5'); + break; case 'sha256': - $this->b = 64; - $this->hash = array($this, '_sha256'); - break; + $this->b = 64; + $this->hash = array($this, '_sha256'); + break; case 'sha384': case 'sha512': - $this->b = 128; - $this->hash = array($this, '_sha512'); - break; + $this->b = 128; + $this->hash = array($this, '_sha512'); + break; case 'sha1': default: - $this->b = 64; - $this->hash = array($this, '_sha1'); + $this->b = 64; + $this->hash = array($this, '_sha1'); } $this->ipad = str_repeat(chr(0x36), $this->b); @@ -306,22 +292,22 @@ class Crypt_Hash * Compute the HMAC. * * @access public - * @param String $text - * @return String + * @param string $text + * @return string */ function hash($text) { - $mode = is_array($this->hash) ? CRYPT_HASH_MODE_INTERNAL : CRYPT_HASH_MODE; + $mode = is_array($this->hash) ? self::MODE_INTERNAL : CRYPT_HASH_MODE; if (!empty($this->key) || is_string($this->key)) { - switch ( $mode ) { - case CRYPT_HASH_MODE_MHASH: + switch ($mode) { + case self::MODE_MHASH: $output = mhash($this->hash, $text, $this->key); break; - case CRYPT_HASH_MODE_HASH: + case self::MODE_HASH: $output = hash_hmac($this->hash, $text, $this->key, true); break; - case CRYPT_HASH_MODE_INTERNAL: + case self::MODE_INTERNAL: /* "Applications that use keys longer than B bytes will first hash the key using H and then use the resultant L byte string as the actual key to HMAC." @@ -337,14 +323,14 @@ class Crypt_Hash $output = call_user_func($this->hash, $output); // step 7 } } else { - switch ( $mode ) { - case CRYPT_HASH_MODE_MHASH: + switch ($mode) { + case self::MODE_MHASH: $output = mhash($this->hash, $text); break; - case CRYPT_HASH_MODE_HASH: + case self::MODE_HASH: $output = hash($this->hash, $text, true); break; - case CRYPT_HASH_MODE_INTERNAL: + case self::MODE_INTERNAL: $output = call_user_func($this->hash, $text); } } @@ -356,7 +342,7 @@ class Crypt_Hash * Returns the hash length (in bytes) * * @access public - * @return Integer + * @return int */ function getLength() { @@ -367,7 +353,7 @@ class Crypt_Hash * Wrapper for MD5 * * @access private - * @param String $m + * @param string $m */ function _md5($m) { @@ -378,7 +364,7 @@ class Crypt_Hash * Wrapper for SHA1 * * @access private - * @param String $m + * @param string $m */ function _sha1($m) { @@ -391,7 +377,7 @@ class Crypt_Hash * See {@link http://tools.ietf.org/html/rfc1319 RFC1319}. * * @access private - * @param String $m + * @param string $m */ function _md2($m) { @@ -467,7 +453,7 @@ class Crypt_Hash * See {@link http://en.wikipedia.org/wiki/SHA_hash_functions#SHA-256_.28a_SHA-2_variant.29_pseudocode SHA-256 (a SHA-2 variant) pseudocode - Wikipedia}. * * @access private - * @param String $m + * @param string $m */ function _sha256($m) { @@ -511,14 +497,15 @@ class Crypt_Hash // Extend the sixteen 32-bit words into sixty-four 32-bit words for ($i = 16; $i < 64; $i++) { + // @codingStandardsIgnoreStart $s0 = $this->_rightRotate($w[$i - 15], 7) ^ $this->_rightRotate($w[$i - 15], 18) ^ $this->_rightShift( $w[$i - 15], 3); $s1 = $this->_rightRotate($w[$i - 2], 17) ^ $this->_rightRotate($w[$i - 2], 19) ^ $this->_rightShift( $w[$i - 2], 10); + // @codingStandardsIgnoreEnd $w[$i] = $this->_add($w[$i - 16], $s0, $w[$i - 7], $s1); - } // Initialize hash value for this chunk @@ -572,14 +559,10 @@ class Crypt_Hash * Pure-PHP implementation of SHA384 and SHA512 * * @access private - * @param String $m + * @param string $m */ function _sha512($m) { - if (!class_exists('Math_BigInteger')) { - include_once 'Math/BigInteger.php'; - } - static $init384, $init512, $k; if (!isset($k)) { @@ -594,9 +577,9 @@ class Crypt_Hash ); for ($i = 0; $i < 8; $i++) { - $init384[$i] = new Math_BigInteger($init384[$i], 16); + $init384[$i] = new BigInteger($init384[$i], 16); $init384[$i]->setPrecision(64); - $init512[$i] = new Math_BigInteger($init512[$i], 16); + $init512[$i] = new BigInteger($init512[$i], 16); $init512[$i]->setPrecision(64); } @@ -626,7 +609,7 @@ class Crypt_Hash ); for ($i = 0; $i < 80; $i++) { - $k[$i] = new Math_BigInteger($k[$i], 16); + $k[$i] = new BigInteger($k[$i], 16); } } @@ -645,7 +628,7 @@ class Crypt_Hash foreach ($chunks as $chunk) { $w = array(); for ($i = 0; $i < 16; $i++) { - $temp = new Math_BigInteger($this->_string_shift($chunk, 8), 256); + $temp = new BigInteger($this->_string_shift($chunk, 8), 256); $temp->setPrecision(64); $w[] = $temp; } @@ -741,7 +724,7 @@ class Crypt_Hash } // Produce the final hash value (big-endian) - // (Crypt_Hash::hash() trims the output for hashes but not for HMACs. as such, we trim the output here) + // (\phpseclib\Crypt\Hash::hash() trims the output for hashes but not for HMACs. as such, we trim the output here) $temp = $hash[0]->toBytes() . $hash[1]->toBytes() . $hash[2]->toBytes() . $hash[3]->toBytes() . $hash[4]->toBytes() . $hash[5]->toBytes(); if ($this->l != 48) { @@ -755,10 +738,10 @@ class Crypt_Hash * Right Rotate * * @access private - * @param Integer $int - * @param Integer $amt - * @see _sha256() - * @return Integer + * @param int $int + * @param int $amt + * @see self::_sha256() + * @return int */ function _rightRotate($int, $amt) { @@ -771,10 +754,10 @@ class Crypt_Hash * Right Shift * * @access private - * @param Integer $int - * @param Integer $amt - * @see _sha256() - * @return Integer + * @param int $int + * @param int $amt + * @see self::_sha256() + * @return int */ function _rightShift($int, $amt) { @@ -786,9 +769,9 @@ class Crypt_Hash * Not * * @access private - * @param Integer $int - * @see _sha256() - * @return Integer + * @param int $int + * @see self::_sha256() + * @return int */ function _not($int) { @@ -799,11 +782,11 @@ class Crypt_Hash * Add * * _sha256() adds multiple unsigned 32-bit integers. Since PHP doesn't support unsigned integers and since the - * possibility of overflow exists, care has to be taken. Math_BigInteger() could be used but this should be faster. + * possibility of overflow exists, care has to be taken. BigInteger could be used but this should be faster. * - * @param Integer $... - * @return Integer - * @see _sha256() + * @param int $... + * @return int + * @see self::_sha256() * @access private */ function _add() @@ -827,9 +810,9 @@ class Crypt_Hash * * Inspired by array_shift * - * @param String $string - * @param optional Integer $index - * @return String + * @param string $string + * @param int $index + * @return string * @access private */ function _string_shift(&$string, $index = 1) diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC2.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC2.php index 96c9f18c1..e9cfa3f83 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC2.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC2.php @@ -5,7 +5,7 @@ * * Uses mcrypt, if available, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * * Useful resources are as follows: * @@ -14,9 +14,9 @@ * Here's a short example of how to use this library: * * setKey('abcdefgh'); * @@ -26,106 +26,28 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_RC2 + * @package RC2 * @author Patrick Monnerat * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} - -/**#@+ - * @access public - * @see Crypt_RC2::encrypt() - * @see Crypt_RC2::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_RC2_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_RC2_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_RC2_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_RC2_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_RC2_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_RC2::Crypt_RC2() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_RC2_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_RC2_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of RC2. * - * @package Crypt_RC2 + * @package RC2 * @access public */ -class Crypt_RC2 extends Crypt_Base +class RC2 extends Base { /** * Block Length of the cipher * - * @see Crypt_Base::block_size - * @var Integer + * @see \phpseclib\Crypt\Base::block_size + * @var int * @access private */ var $block_size = 8; @@ -133,37 +55,48 @@ class Crypt_RC2 extends Crypt_Base /** * The Key * - * @see Crypt_Base::key - * @see setKey() - * @var String + * @see \phpseclib\Crypt\Base::key + * @see self::setKey() + * @var string * @access private */ - var $key = "\0"; + var $key; /** - * The default password key_size used by setPassword() + * The Original (unpadded) Key * - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() - * @var Integer + * @see \phpseclib\Crypt\Base::key + * @see self::setKey() + * @see self::encrypt() + * @see self::decrypt() + * @var string * @access private */ - var $password_key_size = 16; // = 128 bits + var $orig_key; /** - * The namespace used by the cipher for its constants. + * Don't truncate / null pad key * - * @see Crypt_Base::const_namespace - * @var String + * @see \phpseclib\Crypt\Base::_clearBuffers() + * @var bool * @access private */ - var $const_namespace = 'RC2'; + var $skip_key_adjustment = true; + + /** + * Key Length (in bytes) + * + * @see \phpseclib\Crypt\RC2::setKeyLength() + * @var int + * @access private + */ + var $key_length = 16; // = 128 bits /** * The mcrypt specific name of the cipher * - * @see Crypt_Base::cipher_name_mcrypt - * @var String + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @var string * @access private */ var $cipher_name_mcrypt = 'rc2'; @@ -171,8 +104,8 @@ class Crypt_RC2 extends Crypt_Base /** * Optimizing value while CFB-encrypting * - * @see Crypt_Base::cfb_init_len - * @var Integer + * @see \phpseclib\Crypt\Base::cfb_init_len + * @var int * @access private */ var $cfb_init_len = 500; @@ -180,20 +113,31 @@ class Crypt_RC2 extends Crypt_Base /** * The key length in bits. * - * @see Crypt_RC2::setKeyLength() - * @see Crypt_RC2::setKey() - * @var Integer + * @see self::setKeyLength() + * @see self::setKey() + * @var int * @access private * @internal Should be in range [1..1024]. * @internal Changing this value after setting the key has no effect. */ var $default_key_length = 1024; + /** + * The key length in bits. + * + * @see self::isValidEnine() + * @see self::setKey() + * @var int + * @access private + * @internal Should be in range [1..1024]. + */ + var $current_key_length; + /** * The Key Schedule * - * @see Crypt_RC2::_setupKey() - * @var Array + * @see self::_setupKey() + * @var array * @access private */ var $keys; @@ -202,8 +146,8 @@ class Crypt_RC2 extends Crypt_Base * Key expansion randomization table. * Twice the same 256-value sequence to save a modulus in key expansion. * - * @see Crypt_RC2::setKey() - * @var Array + * @see self::setKey() + * @var array * @access private */ var $pitable = array( @@ -276,8 +220,8 @@ class Crypt_RC2 extends Crypt_Base /** * Inverse key expansion randomization table. * - * @see Crypt_RC2::setKey() - * @var Array + * @see self::setKey() + * @var array * @access private */ var $invpitable = array( @@ -316,55 +260,68 @@ class Crypt_RC2 extends Crypt_Base ); /** - * Default Constructor. + * Test for engine validity * - * Determines whether or not the mcrypt extension should be used. + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() * - * $mode could be: - * - * - CRYPT_RC2_MODE_ECB - * - * - CRYPT_RC2_MODE_CBC - * - * - CRYPT_RC2_MODE_CTR - * - * - CRYPT_RC2_MODE_CFB - * - * - CRYPT_RC2_MODE_OFB - * - * If not explicitly set, CRYPT_RC2_MODE_CBC will be used. - * - * @see Crypt_Base::Crypt_Base() - * @param optional Integer $mode + * @see \phpseclib\Crypt\Base::__construct() + * @param int $engine * @access public + * @return bool */ - function Crypt_RC2($mode = CRYPT_RC2_MODE_CBC) + function isValidEngine($engine) { - parent::Crypt_Base($mode); - $this->setKey(''); + switch ($engine) { + case self::ENGINE_OPENSSL: + if ($this->current_key_length != 128 || strlen($this->orig_key) < 16) { + return false; + } + $this->cipher_name_openssl_ecb = 'rc2-ecb'; + $this->cipher_name_openssl = 'rc2-' . $this->_openssl_translate_mode(); + } + + return parent::isValidEngine($engine); } /** - * Sets the key length + * Sets the key length. * - * Valid key lengths are 1 to 1024. + * Valid key lengths are 8 to 1024. * Calling this function after setting the key has no effect until the next - * Crypt_RC2::setKey() call. + * \phpseclib\Crypt\RC2::setKey() call. * * @access public - * @param Integer $length in bits + * @param int $length in bits */ function setKeyLength($length) { - if ($length >= 1 && $length <= 1024) { + if ($length < 8) { + $this->default_key_length = 8; + } elseif ($length > 1024) { + $this->default_key_length = 128; + } else { $this->default_key_length = $length; } + $this->current_key_length = $this->default_key_length; + + parent::setKeyLength($length); + } + + /** + * Returns the current key length + * + * @access public + * @return int + */ + function getKeyLength() + { + return $this->current_key_length; } /** * Sets the key. * - * Keys can be of any length. RC2, itself, uses 1 to 1024 bit keys (eg. + * Keys can be of any length. RC2, itself, uses 8 to 1024 bit keys (eg. * strlen($key) <= 128), however, we only use the first 128 bytes if $key * has more then 128 bytes in it, and set $key to a single null byte if * it is empty. @@ -372,18 +329,21 @@ class Crypt_RC2 extends Crypt_Base * If the key is not explicitly set, it'll be assumed to be a single * null byte. * - * @see Crypt_Base::setKey() + * @see \phpseclib\Crypt\Base::setKey() * @access public - * @param String $key - * @param Integer $t1 optional Effective key length in bits. + * @param string $key + * @param int $t1 optional Effective key length in bits. */ function setKey($key, $t1 = 0) { + $this->orig_key = $key; + if ($t1 <= 0) { $t1 = $this->default_key_length; - } else if ($t1 > 1024) { + } elseif ($t1 > 1024) { $t1 = 1024; } + $this->current_key_length = $t1; // Key byte count should be 1..128. $key = strlen($key) ? substr($key, 0, 128) : "\x00"; $t = strlen($key); @@ -413,17 +373,64 @@ class Crypt_RC2 extends Crypt_Base // Prepare the key for mcrypt. $l[0] = $this->invpitable[$l[0]]; array_unshift($l, 'C*'); + parent::setKey(call_user_func_array('pack', $l)); } + /** + * Encrypts a message. + * + * Mostly a wrapper for \phpseclib\Crypt\Base::encrypt, with some additional OpenSSL handling code + * + * @see self::decrypt() + * @access public + * @param string $plaintext + * @return string $ciphertext + */ + function encrypt($plaintext) + { + if ($this->engine == self::ENGINE_OPENSSL) { + $temp = $this->key; + $this->key = $this->orig_key; + $result = parent::encrypt($plaintext); + $this->key = $temp; + return $result; + } + + return parent::encrypt($plaintext); + } + + /** + * Decrypts a message. + * + * Mostly a wrapper for \phpseclib\Crypt\Base::decrypt, with some additional OpenSSL handling code + * + * @see self::encrypt() + * @access public + * @param string $ciphertext + * @return string $plaintext + */ + function decrypt($ciphertext) + { + if ($this->engine == self::ENGINE_OPENSSL) { + $temp = $this->key; + $this->key = $this->orig_key; + $result = parent::decrypt($ciphertext); + $this->key = $temp; + return $result; + } + + return parent::decrypt($ciphertext); + } + /** * Encrypts a block * - * @see Crypt_Base::_encryptBlock() - * @see Crypt_Base::encrypt() + * @see \phpseclib\Crypt\Base::_encryptBlock() + * @see \phpseclib\Crypt\Base::encrypt() * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _encryptBlock($in) { @@ -464,11 +471,11 @@ class Crypt_RC2 extends Crypt_Base /** * Decrypts a block * - * @see Crypt_Base::_decryptBlock() - * @see Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::_decryptBlock() + * @see \phpseclib\Crypt\Base::decrypt() * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _decryptBlock($in) { @@ -506,15 +513,34 @@ class Crypt_RC2 extends Crypt_Base return pack('vvvv', $r0, $r1, $r2, $r3); } + /** + * Setup the \phpseclib\Crypt\Base::ENGINE_MCRYPT $engine + * + * @see \phpseclib\Crypt\Base::_setupMcrypt() + * @access private + */ + function _setupMcrypt() + { + if (!isset($this->key)) { + $this->setKey(''); + } + + parent::_setupMcrypt(); + } + /** * Creates the key schedule * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() { - // Key has already been expanded in Crypt_RC2::setKey(): + if (!isset($this->key)) { + $this->setKey(''); + } + + // Key has already been expanded in \phpseclib\Crypt\RC2::setKey(): // Only the first value must be altered. $l = unpack('Ca/Cb/v*', $this->key); array_unshift($l, $this->pitable[$l['a']] | ($l['b'] << 8)); @@ -526,24 +552,24 @@ class Crypt_RC2 extends Crypt_Base /** * Setup the performance-optimized function for de/encrypt() * - * @see Crypt_Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() * @access private */ function _setupInlineCrypt() { - $lambda_functions = &Crypt_RC2::_getLambdaFunctions(); + $lambda_functions =& self::_getLambdaFunctions(); // The first 10 generated $lambda_functions will use the $keys hardcoded as integers // for the mixing rounds, for better inline crypt performance [~20% faster]. // But for memory reason we have to limit those ultra-optimized $lambda_functions to an amount of 10. - $keys = $this->keys; - if (count($lambda_functions) >= 10) { - foreach ($this->keys as $k => $v) { - $keys[$k] = '$keys[' . $k . ']'; - } - } + // (Currently, for Crypt_RC2, one generated $lambda_function cost on php5.5@32bit ~60kb unfreeable mem and ~100kb on php5.5@64bit) + $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - $code_hash = md5(str_pad("Crypt_RC2, {$this->mode}, ", 32, "\0") . implode(',', $keys)); + // Generation of a unique hash for our generated code + $code_hash = "Crypt_RC2, {$this->mode}"; + if ($gen_hi_opt_code) { + $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); + } // Is there a re-usable $lambda_functions in there? // If not, we have to create it. @@ -551,6 +577,16 @@ class Crypt_RC2 extends Crypt_Base // Init code for both, encrypt and decrypt. $init_crypt = '$keys = $self->keys;'; + switch (true) { + case $gen_hi_opt_code: + $keys = $this->keys; + default: + $keys = array(); + foreach ($this->keys as $k => $v) { + $keys[$k] = '$keys[' . $k . ']'; + } + } + // $in is the current 8 bytes block which has to be en/decrypt $encrypt_block = $decrypt_block = ' $in = unpack("v4", $in); diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC4.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC4.php index d5eda8c34..1e768d7d9 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC4.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RC4.php @@ -5,7 +5,7 @@ * * Uses mcrypt, if available, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * * Useful resources are as follows: * @@ -18,9 +18,9 @@ * Here's a short example of how to use this library: * * setKey('abcdefgh'); * @@ -34,108 +34,59 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_RC4 + * @package RC4 * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} - -/**#@+ - * @access private - * @see Crypt_RC4::Crypt_RC4() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_RC4_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_RC4_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_RC4::_crypt() - */ -define('CRYPT_RC4_ENCRYPT', 0); -define('CRYPT_RC4_DECRYPT', 1); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of RC4. * - * @package Crypt_RC4 + * @package RC4 * @author Jim Wigginton * @access public */ -class Crypt_RC4 extends Crypt_Base +class RC4 extends Base { + /**#@+ + * @access private + * @see \phpseclib\Crypt\RC4::_crypt() + */ + const ENCRYPT = 0; + const DECRYPT = 1; + /**#@-*/ + /** * Block Length of the cipher * * RC4 is a stream cipher * so we the block_size to 0 * - * @see Crypt_Base::block_size - * @var Integer + * @see \phpseclib\Crypt\Base::block_size + * @var int * @access private */ var $block_size = 0; /** - * The default password key_size used by setPassword() + * Key Length (in bytes) * - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() - * @var Integer + * @see \phpseclib\Crypt\RC4::setKeyLength() + * @var int * @access private */ - var $password_key_size = 128; // = 1024 bits - - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'RC4'; + var $key_length = 128; // = 1024 bits /** * The mcrypt specific name of the cipher * - * @see Crypt_Base::cipher_name_mcrypt - * @var String + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @var string * @access private */ var $cipher_name_mcrypt = 'arcfour'; @@ -143,7 +94,7 @@ class Crypt_RC4 extends Crypt_Base /** * Holds whether performance-optimized $inline_crypt() can/should be used. * - * @see Crypt_Base::inline_crypt + * @see \phpseclib\Crypt\Base::inline_crypt * @var mixed * @access private */ @@ -152,8 +103,8 @@ class Crypt_RC4 extends Crypt_Base /** * The Key * - * @see Crypt_RC4::setKey() - * @var String + * @see self::setKey() + * @var string * @access private */ var $key = "\0"; @@ -161,8 +112,8 @@ class Crypt_RC4 extends Crypt_Base /** * The Key Stream for decryption and encryption * - * @see Crypt_RC4::setKey() - * @var Array + * @see self::setKey() + * @var array * @access private */ var $stream; @@ -172,13 +123,45 @@ class Crypt_RC4 extends Crypt_Base * * Determines whether or not the mcrypt extension should be used. * - * @see Crypt_Base::Crypt_Base() - * @return Crypt_RC4 + * @see \phpseclib\Crypt\Base::__construct() + * @return \phpseclib\Crypt\RC4 * @access public */ - function Crypt_RC4() + function __construct() { - parent::Crypt_Base(CRYPT_MODE_STREAM); + parent::__construct(Base::MODE_STREAM); + } + + /** + * Test for engine validity + * + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() + * + * @see \phpseclib\Crypt\Base::__construct() + * @param int $engine + * @access public + * @return bool + */ + function isValidEngine($engine) + { + switch ($engine) { + case Base::ENGINE_OPENSSL: + switch (strlen($this->key)) { + case 5: + $this->cipher_name_openssl = 'rc4-40'; + break; + case 8: + $this->cipher_name_openssl = 'rc4-64'; + break; + case 16: + $this->cipher_name_openssl = 'rc4'; + break; + default: + return false; + } + } + + return parent::isValidEngine($engine); } /** @@ -196,8 +179,8 @@ class Crypt_RC4 extends Crypt_Base * {@link http://www.rsa.com/rsalabs/node.asp?id=2009 http://www.rsa.com/rsalabs/node.asp?id=2009} * {@link http://en.wikipedia.org/wiki/Related_key_attack http://en.wikipedia.org/wiki/Related_key_attack} * - * @param String $iv - * @see Crypt_RC4::setKey() + * @param string $iv + * @see self::setKey() * @access public */ function setIV($iv) @@ -205,35 +188,41 @@ class Crypt_RC4 extends Crypt_Base } /** - * Sets the key. + * Sets the key length * - * Keys can be between 1 and 256 bytes long. If they are longer then 256 bytes, the first 256 bytes will - * be used. If no key is explicitly set, it'll be assumed to be a single null byte. + * Keys can be between 1 and 256 bytes long. * * @access public - * @see Crypt_Base::setKey() - * @param String $key + * @param int $length */ - function setKey($key) + function setKeyLength($length) { - parent::setKey(substr($key, 0, 256)); + if ($length < 8) { + $this->key_length = 1; + } elseif ($length > 2048) { + $this->key_length = 256; + } else { + $this->key_length = $length >> 3; + } + + parent::setKeyLength($length); } /** * Encrypts a message. * - * @see Crypt_Base::decrypt() - * @see Crypt_RC4::_crypt() + * @see \phpseclib\Crypt\Base::decrypt() + * @see self::_crypt() * @access public - * @param String $plaintext - * @return String $ciphertext + * @param string $plaintext + * @return string $ciphertext */ function encrypt($plaintext) { - if ($this->engine == CRYPT_MODE_MCRYPT) { + if ($this->engine != Base::ENGINE_INTERNAL) { return parent::encrypt($plaintext); } - return $this->_crypt($plaintext, CRYPT_RC4_ENCRYPT); + return $this->_crypt($plaintext, self::ENCRYPT); } /** @@ -242,25 +231,46 @@ class Crypt_RC4 extends Crypt_Base * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)). * At least if the continuous buffer is disabled. * - * @see Crypt_Base::encrypt() - * @see Crypt_RC4::_crypt() + * @see \phpseclib\Crypt\Base::encrypt() + * @see self::_crypt() * @access public - * @param String $ciphertext - * @return String $plaintext + * @param string $ciphertext + * @return string $plaintext */ function decrypt($ciphertext) { - if ($this->engine == CRYPT_MODE_MCRYPT) { + if ($this->engine != Base::ENGINE_INTERNAL) { return parent::decrypt($ciphertext); } - return $this->_crypt($ciphertext, CRYPT_RC4_DECRYPT); + return $this->_crypt($ciphertext, self::DECRYPT); } + /** + * Encrypts a block + * + * @access private + * @param string $in + */ + function _encryptBlock($in) + { + // RC4 does not utilize this method + } + + /** + * Decrypts a block + * + * @access private + * @param string $in + */ + function _decryptBlock($in) + { + // RC4 does not utilize this method + } /** * Setup the key (expansion) * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -277,7 +287,7 @@ class Crypt_RC4 extends Crypt_Base } $this->stream = array(); - $this->stream[CRYPT_RC4_DECRYPT] = $this->stream[CRYPT_RC4_ENCRYPT] = array( + $this->stream[self::DECRYPT] = $this->stream[self::ENCRYPT] = array( 0, // index $i 0, // index $j $keyStream @@ -287,12 +297,12 @@ class Crypt_RC4 extends Crypt_Base /** * Encrypts or decrypts a message. * - * @see Crypt_RC4::encrypt() - * @see Crypt_RC4::decrypt() + * @see self::encrypt() + * @see self::decrypt() * @access private - * @param String $text - * @param Integer $mode - * @return String $text + * @param string $text + * @param int $mode + * @return string $text */ function _crypt($text, $mode) { diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA.php index 53f94354f..ef508a433 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA.php @@ -3,14 +3,14 @@ /** * Pure-PHP PKCS#1 (v2.1) compliant implementation of RSA. * - * PHP versions 4 and 5 + * PHP version 5 * * Here's an example of how to encrypt and decrypt text with this library: * * createKey()); * * $plaintext = 'terrafrost'; @@ -26,9 +26,9 @@ * Here's an example of how to create signatures and verify signatures with this library: * * createKey()); * * $plaintext = 'terrafrost'; @@ -41,241 +41,211 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_RSA + * @package RSA * @author Jim Wigginton * @copyright 2009 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Random - */ -// the class_exists() will only be called if the crypt_random_string function hasn't been defined and -// will trigger a call to __autoload() if you're wanting to auto-load classes -// call function_exists() a second time to stop the include_once from being called outside -// of the auto loader -if (!function_exists('crypt_random_string')) { - include_once 'Random.php'; -} +namespace phpseclib\Crypt; -/** - * Include Crypt_Hash - */ -if (!class_exists('Crypt_Hash')) { - include_once 'Hash.php'; -} - -/**#@+ - * @access public - * @see Crypt_RSA::encrypt() - * @see Crypt_RSA::decrypt() - */ -/** - * Use {@link http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding Optimal Asymmetric Encryption Padding} - * (OAEP) for encryption / decryption. - * - * Uses sha1 by default. - * - * @see Crypt_RSA::setHash() - * @see Crypt_RSA::setMGFHash() - */ -define('CRYPT_RSA_ENCRYPTION_OAEP', 1); -/** - * Use PKCS#1 padding. - * - * Although CRYPT_RSA_ENCRYPTION_OAEP offers more security, including PKCS#1 padding is necessary for purposes of backwards - * compatibility with protocols (like SSH-1) written before OAEP's introduction. - */ -define('CRYPT_RSA_ENCRYPTION_PKCS1', 2); -/**#@-*/ - -/**#@+ - * @access public - * @see Crypt_RSA::sign() - * @see Crypt_RSA::verify() - * @see Crypt_RSA::setHash() - */ -/** - * Use the Probabilistic Signature Scheme for signing - * - * Uses sha1 by default. - * - * @see Crypt_RSA::setSaltLength() - * @see Crypt_RSA::setMGFHash() - */ -define('CRYPT_RSA_SIGNATURE_PSS', 1); -/** - * Use the PKCS#1 scheme by default. - * - * Although CRYPT_RSA_SIGNATURE_PSS offers more security, including PKCS#1 signing is necessary for purposes of backwards - * compatibility with protocols (like SSH-2) written before PSS's introduction. - */ -define('CRYPT_RSA_SIGNATURE_PKCS1', 2); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_RSA::createKey() - */ -/** - * ASN1 Integer - */ -define('CRYPT_RSA_ASN1_INTEGER', 2); -/** - * ASN1 Bit String - */ -define('CRYPT_RSA_ASN1_BITSTRING', 3); -/** - * ASN1 Octet String - */ -define('CRYPT_RSA_ASN1_OCTETSTRING', 4); -/** - * ASN1 Object Identifier - */ -define('CRYPT_RSA_ASN1_OBJECT', 6); -/** - * ASN1 Sequence (with the constucted bit set) - */ -define('CRYPT_RSA_ASN1_SEQUENCE', 48); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_RSA::Crypt_RSA() - */ -/** - * To use the pure-PHP implementation - */ -define('CRYPT_RSA_MODE_INTERNAL', 1); -/** - * To use the OpenSSL library - * - * (if enabled; otherwise, the internal implementation will be used) - */ -define('CRYPT_RSA_MODE_OPENSSL', 2); -/**#@-*/ - -/** - * Default openSSL configuration file. - */ -define('CRYPT_RSA_OPENSSL_CONFIG', dirname(__FILE__) . '/../openssl.cnf'); - -/**#@+ - * @access public - * @see Crypt_RSA::createKey() - * @see Crypt_RSA::setPrivateKeyFormat() - */ -/** - * PKCS#1 formatted private key - * - * Used by OpenSSH - */ -define('CRYPT_RSA_PRIVATE_FORMAT_PKCS1', 0); -/** - * PuTTY formatted private key - */ -define('CRYPT_RSA_PRIVATE_FORMAT_PUTTY', 1); -/** - * XML formatted private key - */ -define('CRYPT_RSA_PRIVATE_FORMAT_XML', 2); -/** - * PKCS#8 formatted private key - */ -define('CRYPT_RSA_PRIVATE_FORMAT_PKCS8', 3); -/**#@-*/ - -/**#@+ - * @access public - * @see Crypt_RSA::createKey() - * @see Crypt_RSA::setPublicKeyFormat() - */ -/** - * Raw public key - * - * An array containing two Math_BigInteger objects. - * - * The exponent can be indexed with any of the following: - * - * 0, e, exponent, publicExponent - * - * The modulus can be indexed with any of the following: - * - * 1, n, modulo, modulus - */ -define('CRYPT_RSA_PUBLIC_FORMAT_RAW', 3); -/** - * PKCS#1 formatted public key (raw) - * - * Used by File/X509.php - * - * Has the following header: - * - * -----BEGIN RSA PUBLIC KEY----- - * - * Analogous to ssh-keygen's pem format (as specified by -m) - */ -define('CRYPT_RSA_PUBLIC_FORMAT_PKCS1', 4); -define('CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW', 4); -/** - * XML formatted public key - */ -define('CRYPT_RSA_PUBLIC_FORMAT_XML', 5); -/** - * OpenSSH formatted public key - * - * Place in $HOME/.ssh/authorized_keys - */ -define('CRYPT_RSA_PUBLIC_FORMAT_OPENSSH', 6); -/** - * PKCS#1 formatted public key (encapsulated) - * - * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set) - * - * Has the following header: - * - * -----BEGIN PUBLIC KEY----- - * - * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8 - * is specific to private keys it's basically creating a DER-encoded wrapper - * for keys. This just extends that same concept to public keys (much like ssh-keygen) - */ -define('CRYPT_RSA_PUBLIC_FORMAT_PKCS8', 7); -/**#@-*/ +use phpseclib\Math\BigInteger; /** * Pure-PHP PKCS#1 compliant implementation of RSA. * - * @package Crypt_RSA + * @package RSA * @author Jim Wigginton * @access public */ -class Crypt_RSA +class RSA { + /**#@+ + * @access public + * @see self::encrypt() + * @see self::decrypt() + */ + /** + * Use {@link http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding Optimal Asymmetric Encryption Padding} + * (OAEP) for encryption / decryption. + * + * Uses sha1 by default. + * + * @see self::setHash() + * @see self::setMGFHash() + */ + const ENCRYPTION_OAEP = 1; + /** + * Use PKCS#1 padding. + * + * Although self::ENCRYPTION_OAEP offers more security, including PKCS#1 padding is necessary for purposes of backwards + * compatibility with protocols (like SSH-1) written before OAEP's introduction. + */ + const ENCRYPTION_PKCS1 = 2; + /** + * Do not use any padding + * + * Although this method is not recommended it can none-the-less sometimes be useful if you're trying to decrypt some legacy + * stuff, if you're trying to diagnose why an encrypted message isn't decrypting, etc. + */ + const ENCRYPTION_NONE = 3; + /**#@-*/ + + /**#@+ + * @access public + * @see self::sign() + * @see self::verify() + * @see self::setHash() + */ + /** + * Use the Probabilistic Signature Scheme for signing + * + * Uses sha1 by default. + * + * @see self::setSaltLength() + * @see self::setMGFHash() + */ + const SIGNATURE_PSS = 1; + /** + * Use the PKCS#1 scheme by default. + * + * Although self::SIGNATURE_PSS offers more security, including PKCS#1 signing is necessary for purposes of backwards + * compatibility with protocols (like SSH-2) written before PSS's introduction. + */ + const SIGNATURE_PKCS1 = 2; + /**#@-*/ + + /**#@+ + * @access private + * @see \phpseclib\Crypt\RSA::createKey() + */ + /** + * ASN1 Integer + */ + const ASN1_INTEGER = 2; + /** + * ASN1 Bit String + */ + const ASN1_BITSTRING = 3; + /** + * ASN1 Octet String + */ + const ASN1_OCTETSTRING = 4; + /** + * ASN1 Object Identifier + */ + const ASN1_OBJECT = 6; + /** + * ASN1 Sequence (with the constucted bit set) + */ + const ASN1_SEQUENCE = 48; + /**#@-*/ + + /**#@+ + * @access private + * @see \phpseclib\Crypt\RSA::__construct() + */ + /** + * To use the pure-PHP implementation + */ + const MODE_INTERNAL = 1; + /** + * To use the OpenSSL library + * + * (if enabled; otherwise, the internal implementation will be used) + */ + const MODE_OPENSSL = 2; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Crypt\RSA::createKey() + * @see \phpseclib\Crypt\RSA::setPrivateKeyFormat() + */ + /** + * PKCS#1 formatted private key + * + * Used by OpenSSH + */ + const PRIVATE_FORMAT_PKCS1 = 0; + /** + * PuTTY formatted private key + */ + const PRIVATE_FORMAT_PUTTY = 1; + /** + * XML formatted private key + */ + const PRIVATE_FORMAT_XML = 2; + /** + * PKCS#8 formatted private key + */ + const PRIVATE_FORMAT_PKCS8 = 8; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Crypt\RSA::createKey() + * @see \phpseclib\Crypt\RSA::setPublicKeyFormat() + */ + /** + * Raw public key + * + * An array containing two \phpseclib\Math\BigInteger objects. + * + * The exponent can be indexed with any of the following: + * + * 0, e, exponent, publicExponent + * + * The modulus can be indexed with any of the following: + * + * 1, n, modulo, modulus + */ + const PUBLIC_FORMAT_RAW = 3; + /** + * PKCS#1 formatted public key (raw) + * + * Used by File/X509.php + * + * Has the following header: + * + * -----BEGIN RSA PUBLIC KEY----- + * + * Analogous to ssh-keygen's pem format (as specified by -m) + */ + const PUBLIC_FORMAT_PKCS1 = 4; + const PUBLIC_FORMAT_PKCS1_RAW = 4; + /** + * XML formatted public key + */ + const PUBLIC_FORMAT_XML = 5; + /** + * OpenSSH formatted public key + * + * Place in $HOME/.ssh/authorized_keys + */ + const PUBLIC_FORMAT_OPENSSH = 6; + /** + * PKCS#1 formatted public key (encapsulated) + * + * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set) + * + * Has the following header: + * + * -----BEGIN PUBLIC KEY----- + * + * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8 + * is specific to private keys it's basically creating a DER-encoded wrapper + * for keys. This just extends that same concept to public keys (much like ssh-keygen) + */ + const PUBLIC_FORMAT_PKCS8 = 7; + /**#@-*/ + /** * Precomputed Zero * - * @var Array + * @var \phpseclib\Math\BigInteger * @access private */ var $zero; @@ -283,7 +253,7 @@ class Crypt_RSA /** * Precomputed One * - * @var Array + * @var \phpseclib\Math\BigInteger * @access private */ var $one; @@ -291,23 +261,23 @@ class Crypt_RSA /** * Private Key Format * - * @var Integer + * @var int * @access private */ - var $privateKeyFormat = CRYPT_RSA_PRIVATE_FORMAT_PKCS1; + var $privateKeyFormat = self::PRIVATE_FORMAT_PKCS1; /** * Public Key Format * - * @var Integer + * @var int * @access public */ - var $publicKeyFormat = CRYPT_RSA_PUBLIC_FORMAT_PKCS8; + var $publicKeyFormat = self::PUBLIC_FORMAT_PKCS8; /** * Modulus (ie. n) * - * @var Math_BigInteger + * @var \phpseclib\Math\BigInteger * @access private */ var $modulus; @@ -315,7 +285,7 @@ class Crypt_RSA /** * Modulus length * - * @var Math_BigInteger + * @var \phpseclib\Math\BigInteger * @access private */ var $k; @@ -323,7 +293,7 @@ class Crypt_RSA /** * Exponent (ie. e or d) * - * @var Math_BigInteger + * @var \phpseclib\Math\BigInteger * @access private */ var $exponent; @@ -331,7 +301,7 @@ class Crypt_RSA /** * Primes for Chinese Remainder Theorem (ie. p and q) * - * @var Array + * @var array * @access private */ var $primes; @@ -339,7 +309,7 @@ class Crypt_RSA /** * Exponents for Chinese Remainder Theorem (ie. dP and dQ) * - * @var Array + * @var array * @access private */ var $exponents; @@ -347,7 +317,7 @@ class Crypt_RSA /** * Coefficients for Chinese Remainder Theorem (ie. qInv) * - * @var Array + * @var array * @access private */ var $coefficients; @@ -355,7 +325,7 @@ class Crypt_RSA /** * Hash name * - * @var String + * @var string * @access private */ var $hashName; @@ -363,7 +333,7 @@ class Crypt_RSA /** * Hash function * - * @var Crypt_Hash + * @var \phpseclib\Crypt\Hash * @access private */ var $hash; @@ -371,7 +341,7 @@ class Crypt_RSA /** * Length of hash function output * - * @var Integer + * @var int * @access private */ var $hLen; @@ -379,7 +349,7 @@ class Crypt_RSA /** * Length of salt * - * @var Integer + * @var int * @access private */ var $sLen; @@ -387,7 +357,7 @@ class Crypt_RSA /** * Hash function for the Mask Generation Function * - * @var Crypt_Hash + * @var \phpseclib\Crypt\Hash * @access private */ var $mgfHash; @@ -395,7 +365,7 @@ class Crypt_RSA /** * Length of MGF hash function output * - * @var Integer + * @var int * @access private */ var $mgfHLen; @@ -403,23 +373,23 @@ class Crypt_RSA /** * Encryption mode * - * @var Integer + * @var int * @access private */ - var $encryptionMode = CRYPT_RSA_ENCRYPTION_OAEP; + var $encryptionMode = self::ENCRYPTION_OAEP; /** * Signature mode * - * @var Integer + * @var int * @access private */ - var $signatureMode = CRYPT_RSA_SIGNATURE_PSS; + var $signatureMode = self::SIGNATURE_PSS; /** * Public Exponent * - * @var Mixed + * @var mixed * @access private */ var $publicExponent = false; @@ -427,7 +397,7 @@ class Crypt_RSA /** * Password * - * @var String + * @var string * @access private */ var $password = false; @@ -438,8 +408,8 @@ class Crypt_RSA * For use with parsing XML formatted keys. PHP's XML Parser functions use utilized - instead of PHP's DOM functions - * because PHP's XML Parser functions work on PHP4 whereas PHP's DOM functions - although surperior - don't. * - * @see Crypt_RSA::_start_element_handler() - * @var Array + * @see self::_start_element_handler() + * @var array * @access private */ var $components = array(); @@ -449,9 +419,9 @@ class Crypt_RSA * * For use with parsing XML formatted keys. * - * @see Crypt_RSA::_character_handler() - * @see Crypt_RSA::_stop_element_handler() - * @var Mixed + * @see self::_character_handler() + * @see self::_stop_element_handler() + * @var mixed * @access private */ var $current; @@ -460,8 +430,8 @@ class Crypt_RSA * OpenSSL configuration file name. * * Set to null to use system configuration file. - * @see Crypt_RSA::createKey() - * @var Mixed + * @see self::createKey() + * @var mixed * @Access public */ var $configFile; @@ -469,7 +439,7 @@ class Crypt_RSA /** * Public key comment field. * - * @var String + * @var string * @access private */ var $comment = 'phpseclib-generated-key'; @@ -478,33 +448,25 @@ class Crypt_RSA * The constructor * * If you want to make use of the openssl extension, you'll need to set the mode manually, yourself. The reason - * Crypt_RSA doesn't do it is because OpenSSL doesn't fail gracefully. openssl_pkey_new(), in particular, requires + * \phpseclib\Crypt\RSA doesn't do it is because OpenSSL doesn't fail gracefully. openssl_pkey_new(), in particular, requires * openssl.cnf be present somewhere and, unfortunately, the only real way to find out is too late. * - * @return Crypt_RSA + * @return \phpseclib\Crypt\RSA * @access public */ - function Crypt_RSA() + function __construct() { - if (!class_exists('Math_BigInteger')) { - include_once 'Math/BigInteger.php'; - } + $this->configFile = dirname(__FILE__) . '/../openssl.cnf'; - $this->configFile = CRYPT_RSA_OPENSSL_CONFIG; - - if ( !defined('CRYPT_RSA_MODE') ) { + if (!defined('CRYPT_RSA_MODE')) { switch (true) { // Math/BigInteger's openssl requirements are a little less stringent than Crypt/RSA's. in particular, // Math/BigInteger doesn't require an openssl.cfg file whereas Crypt/RSA does. so if Math/BigInteger // can't use OpenSSL it can be pretty trivially assumed, then, that Crypt/RSA can't either. case defined('MATH_BIGINTEGER_OPENSSL_DISABLE'): - define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); + define('CRYPT_RSA_MODE', self::MODE_INTERNAL); break; - // openssl_pkey_get_details - which is used in the only place Crypt/RSA.php uses OpenSSL - was introduced in PHP 5.2.0 - case !function_exists('openssl_pkey_get_details'): - define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); - break; - case extension_loaded('openssl') && version_compare(PHP_VERSION, '4.2.0', '>=') && file_exists($this->configFile): + case extension_loaded('openssl') && file_exists($this->configFile): // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work ob_start(); @phpinfo(); @@ -532,25 +494,26 @@ class Crypt_RSA case !isset($versions['Header']): case !isset($versions['Library']): case $versions['Header'] == $versions['Library']: - define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_OPENSSL); + case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0: + define('CRYPT_RSA_MODE', self::MODE_OPENSSL); break; default: - define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); + define('CRYPT_RSA_MODE', self::MODE_INTERNAL); define('MATH_BIGINTEGER_OPENSSL_DISABLE', true); } break; default: - define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL); + define('CRYPT_RSA_MODE', self::MODE_INTERNAL); } } - $this->zero = new Math_BigInteger(); - $this->one = new Math_BigInteger(1); + $this->zero = new BigInteger(); + $this->one = new BigInteger(1); - $this->hash = new Crypt_Hash('sha1'); + $this->hash = new Hash('sha1'); $this->hLen = $this->hash->getLength(); $this->hashName = 'sha1'; - $this->mgfHash = new Crypt_Hash('sha1'); + $this->mgfHash = new Hash('sha1'); $this->mgfHLen = $this->mgfHash->getLength(); } @@ -561,12 +524,12 @@ class Crypt_RSA * - 'privatekey': The private key. * - 'publickey': The public key. * - 'partialkey': A partially computed key (if the execution time exceeded $timeout). - * Will need to be passed back to Crypt_RSA::createKey() as the third parameter for further processing. + * Will need to be passed back to \phpseclib\Crypt\RSA::createKey() as the third parameter for further processing. * * @access public - * @param optional Integer $bits - * @param optional Integer $timeout - * @param optional Math_BigInteger $p + * @param int $bits + * @param int $timeout + * @param array $p */ function createKey($bits = 1024, $timeout = false, $partial = array()) { @@ -577,7 +540,7 @@ class Crypt_RSA // per , this number ought not result in primes smaller // than 256 bits. as a consequence if the key you're trying to create is 1024 bits and you've set CRYPT_RSA_SMALLEST_PRIME // to 384 bits then you're going to get a 384 bit prime and a 640 bit prime (384 + 1024 % 384). at least if - // CRYPT_RSA_MODE is set to CRYPT_RSA_MODE_INTERNAL. if CRYPT_RSA_MODE is set to CRYPT_RSA_MODE_OPENSSL then + // CRYPT_RSA_MODE is set to self::MODE_INTERNAL. if CRYPT_RSA_MODE is set to self::MODE_OPENSSL then // CRYPT_RSA_SMALLEST_PRIME is ignored (ie. multi-prime RSA support is more intended as a way to speed up RSA key // generation when there's a chance neither gmp nor OpenSSL are installed) if (!defined('CRYPT_RSA_SMALLEST_PRIME')) { @@ -585,7 +548,7 @@ class Crypt_RSA } // OpenSSL uses 65537 as the exponent and requires RSA keys be 384 bits minimum - if ( CRYPT_RSA_MODE == CRYPT_RSA_MODE_OPENSSL && $bits >= 384 && CRYPT_RSA_EXPONENT == 65537) { + if (CRYPT_RSA_MODE == self::MODE_OPENSSL && $bits >= 384 && CRYPT_RSA_EXPONENT == 65537) { $config = array(); if (isset($this->configFile)) { $config['config'] = $this->configFile; @@ -595,11 +558,12 @@ class Crypt_RSA $publickey = openssl_pkey_get_details($rsa); $publickey = $publickey['key']; - $privatekey = call_user_func_array(array($this, '_convertPrivateKey'), array_values($this->_parseKey($privatekey, CRYPT_RSA_PRIVATE_FORMAT_PKCS1))); - $publickey = call_user_func_array(array($this, '_convertPublicKey'), array_values($this->_parseKey($publickey, CRYPT_RSA_PUBLIC_FORMAT_PKCS1))); + $privatekey = call_user_func_array(array($this, '_convertPrivateKey'), array_values($this->_parseKey($privatekey, self::PRIVATE_FORMAT_PKCS1))); + $publickey = call_user_func_array(array($this, '_convertPublicKey'), array_values($this->_parseKey($publickey, self::PUBLIC_FORMAT_PKCS1))); // clear the buffer of error strings stemming from a minimalistic openssl.cnf - while (openssl_error_string() !== false); + while (openssl_error_string() !== false) { + } return array( 'privatekey' => $privatekey, @@ -610,7 +574,7 @@ class Crypt_RSA static $e; if (!isset($e)) { - $e = new Math_BigInteger(CRYPT_RSA_EXPONENT); + $e = new BigInteger(CRYPT_RSA_EXPONENT); } extract($this->_generateMinMax($bits)); @@ -626,7 +590,7 @@ class Crypt_RSA $finalMax = $max; extract($this->_generateMinMax($temp)); - $generator = new Math_BigInteger(); + $generator = new BigInteger(); $n = $this->one->copy(); if (!empty($partial)) { @@ -743,13 +707,13 @@ class Crypt_RSA * Convert a private key to the appropriate format. * * @access private - * @see setPrivateKeyFormat() - * @param String $RSAPrivateKey - * @return String + * @see self::setPrivateKeyFormat() + * @param string $RSAPrivateKey + * @return string */ function _convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients) { - $signed = $this->privateKeyFormat != CRYPT_RSA_PRIVATE_FORMAT_XML; + $signed = $this->privateKeyFormat != self::PRIVATE_FORMAT_XML; $num_primes = count($primes); $raw = array( 'version' => $num_primes == 2 ? chr(0) : chr(1), // two-prime vs. multi @@ -766,7 +730,7 @@ class Crypt_RSA // if the format in question does not support multi-prime rsa and multi-prime rsa was used, // call _convertPublicKey() instead. switch ($this->privateKeyFormat) { - case CRYPT_RSA_PRIVATE_FORMAT_XML: + case self::PRIVATE_FORMAT_XML: if ($num_primes != 2) { return false; } @@ -781,7 +745,7 @@ class Crypt_RSA ' ' . base64_encode($raw['privateExponent']) . "\r\n" . ''; break; - case CRYPT_RSA_PRIVATE_FORMAT_PUTTY: + case self::PRIVATE_FORMAT_PUTTY: if ($num_primes != 2) { return false; } @@ -789,29 +753,46 @@ class Crypt_RSA $encryption = (!empty($this->password) || is_string($this->password)) ? 'aes256-cbc' : 'none'; $key.= $encryption; $key.= "\r\nComment: " . $this->comment . "\r\n"; - $public = pack('Na*Na*Na*', - strlen('ssh-rsa'), 'ssh-rsa', strlen($raw['publicExponent']), $raw['publicExponent'], strlen($raw['modulus']), $raw['modulus'] + $public = pack( + 'Na*Na*Na*', + strlen('ssh-rsa'), + 'ssh-rsa', + strlen($raw['publicExponent']), + $raw['publicExponent'], + strlen($raw['modulus']), + $raw['modulus'] ); - $source = pack('Na*Na*Na*Na*', - strlen('ssh-rsa'), 'ssh-rsa', strlen($encryption), $encryption, - strlen($this->comment), $this->comment, strlen($public), $public + $source = pack( + 'Na*Na*Na*Na*', + strlen('ssh-rsa'), + 'ssh-rsa', + strlen($encryption), + $encryption, + strlen($this->comment), + $this->comment, + strlen($public), + $public ); $public = base64_encode($public); $key.= "Public-Lines: " . ((strlen($public) + 63) >> 6) . "\r\n"; $key.= chunk_split($public, 64); - $private = pack('Na*Na*Na*Na*', - strlen($raw['privateExponent']), $raw['privateExponent'], strlen($raw['prime1']), $raw['prime1'], - strlen($raw['prime2']), $raw['prime2'], strlen($raw['coefficient']), $raw['coefficient'] + $private = pack( + 'Na*Na*Na*Na*', + strlen($raw['privateExponent']), + $raw['privateExponent'], + strlen($raw['prime1']), + $raw['prime1'], + strlen($raw['prime2']), + $raw['prime2'], + strlen($raw['coefficient']), + $raw['coefficient'] ); if (empty($this->password) && !is_string($this->password)) { $source.= pack('Na*', strlen($private), $private); $hashkey = 'putty-private-key-file-mac-key'; } else { - $private.= crypt_random_string(16 - (strlen($private) & 15)); + $private.= Random::string(16 - (strlen($private) & 15)); $source.= pack('Na*', strlen($private), $private); - if (!class_exists('Crypt_AES')) { - include_once 'Crypt/AES.php'; - } $sequence = 0; $symkey = ''; while (strlen($symkey) < 32) { @@ -819,7 +800,7 @@ class Crypt_RSA $symkey.= pack('H*', sha1($temp)); } $symkey = substr($symkey, 0, 32); - $crypto = new Crypt_AES(); + $crypto = new AES(); $crypto->setKey($symkey); $crypto->disablePadding(); @@ -830,18 +811,15 @@ class Crypt_RSA $private = base64_encode($private); $key.= 'Private-Lines: ' . ((strlen($private) + 63) >> 6) . "\r\n"; $key.= chunk_split($private, 64); - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } - $hash = new Crypt_Hash('sha1'); + $hash = new Hash('sha1'); $hash->setKey(pack('H*', sha1($hashkey))); $key.= 'Private-MAC: ' . bin2hex($hash->hash($source)) . "\r\n"; return $key; - default: // eg. CRYPT_RSA_PRIVATE_FORMAT_PKCS1 + default: // eg. self::PRIVATE_FORMAT_PKCS1 $components = array(); foreach ($raw as $name => $value) { - $components[$name] = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($value)), $value); + $components[$name] = pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($value)), $value); } $RSAPrivateKey = implode('', $components); @@ -856,50 +834,68 @@ class Crypt_RSA // exponent INTEGER, -- di // coefficient INTEGER -- ti // } - $OtherPrimeInfo = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($primes[$i]->toBytes(true))), $primes[$i]->toBytes(true)); - $OtherPrimeInfo.= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($exponents[$i]->toBytes(true))), $exponents[$i]->toBytes(true)); - $OtherPrimeInfo.= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($coefficients[$i]->toBytes(true))), $coefficients[$i]->toBytes(true)); - $OtherPrimeInfos.= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfo)), $OtherPrimeInfo); + $OtherPrimeInfo = pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($primes[$i]->toBytes(true))), $primes[$i]->toBytes(true)); + $OtherPrimeInfo.= pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($exponents[$i]->toBytes(true))), $exponents[$i]->toBytes(true)); + $OtherPrimeInfo.= pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($coefficients[$i]->toBytes(true))), $coefficients[$i]->toBytes(true)); + $OtherPrimeInfos.= pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfo)), $OtherPrimeInfo); } - $RSAPrivateKey.= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfos)), $OtherPrimeInfos); + $RSAPrivateKey.= pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfos)), $OtherPrimeInfos); } - $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); + $RSAPrivateKey = pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); - if ($this->privateKeyFormat == CRYPT_RSA_PRIVATE_FORMAT_PKCS8) { + if ($this->privateKeyFormat == self::PRIVATE_FORMAT_PKCS8) { $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA - $RSAPrivateKey = pack('Ca*a*Ca*a*', - CRYPT_RSA_ASN1_INTEGER, "\01\00", $rsaOID, 4, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey + $RSAPrivateKey = pack( + 'Ca*a*Ca*a*', + self::ASN1_INTEGER, + "\01\00", + $rsaOID, + 4, + $this->_encodeLength(strlen($RSAPrivateKey)), + $RSAPrivateKey ); - $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); + $RSAPrivateKey = pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); if (!empty($this->password) || is_string($this->password)) { - $salt = crypt_random_string(8); + $salt = Random::string(8); $iterationCount = 2048; - if (!class_exists('Crypt_DES')) { - include_once 'Crypt/DES.php'; - } - $crypto = new Crypt_DES(); + $crypto = new DES(); $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount); $RSAPrivateKey = $crypto->encrypt($RSAPrivateKey); - $parameters = pack('Ca*a*Ca*N', - CRYPT_RSA_ASN1_OCTETSTRING, $this->_encodeLength(strlen($salt)), $salt, - CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(4), $iterationCount + $parameters = pack( + 'Ca*a*Ca*N', + self::ASN1_OCTETSTRING, + $this->_encodeLength(strlen($salt)), + $salt, + self::ASN1_INTEGER, + $this->_encodeLength(4), + $iterationCount ); $pbeWithMD5AndDES_CBC = "\x2a\x86\x48\x86\xf7\x0d\x01\x05\x03"; - $encryptionAlgorithm = pack('Ca*a*Ca*a*', - CRYPT_RSA_ASN1_OBJECT, $this->_encodeLength(strlen($pbeWithMD5AndDES_CBC)), $pbeWithMD5AndDES_CBC, - CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($parameters)), $parameters + $encryptionAlgorithm = pack( + 'Ca*a*Ca*a*', + self::ASN1_OBJECT, + $this->_encodeLength(strlen($pbeWithMD5AndDES_CBC)), + $pbeWithMD5AndDES_CBC, + self::ASN1_SEQUENCE, + $this->_encodeLength(strlen($parameters)), + $parameters ); - $RSAPrivateKey = pack('Ca*a*Ca*a*', - CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($encryptionAlgorithm)), $encryptionAlgorithm, - CRYPT_RSA_ASN1_OCTETSTRING, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey + $RSAPrivateKey = pack( + 'Ca*a*Ca*a*', + self::ASN1_SEQUENCE, + $this->_encodeLength(strlen($encryptionAlgorithm)), + $encryptionAlgorithm, + self::ASN1_OCTETSTRING, + $this->_encodeLength(strlen($RSAPrivateKey)), + $RSAPrivateKey ); - $RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); + $RSAPrivateKey = pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); $RSAPrivateKey = "-----BEGIN ENCRYPTED PRIVATE KEY-----\r\n" . chunk_split(base64_encode($RSAPrivateKey), 64) . @@ -913,13 +909,10 @@ class Crypt_RSA } if (!empty($this->password) || is_string($this->password)) { - $iv = crypt_random_string(8); + $iv = Random::string(8); $symkey = pack('H*', md5($this->password . $iv)); // symkey is short for symmetric key $symkey.= substr(pack('H*', md5($symkey . $this->password . $iv)), 0, 8); - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $des = new Crypt_TripleDES(); + $des = new TripleDES(); $des->setKey($symkey); $des->setIV($iv); $iv = strtoupper(bin2hex($iv)); @@ -943,27 +936,27 @@ class Crypt_RSA * Convert a public key to the appropriate format * * @access private - * @see setPublicKeyFormat() - * @param String $RSAPrivateKey - * @return String + * @see self::setPublicKeyFormat() + * @param string $RSAPrivateKey + * @return string */ function _convertPublicKey($n, $e) { - $signed = $this->publicKeyFormat != CRYPT_RSA_PUBLIC_FORMAT_XML; + $signed = $this->publicKeyFormat != self::PUBLIC_FORMAT_XML; $modulus = $n->toBytes($signed); $publicExponent = $e->toBytes($signed); switch ($this->publicKeyFormat) { - case CRYPT_RSA_PUBLIC_FORMAT_RAW: + case self::PUBLIC_FORMAT_RAW: return array('e' => $e->copy(), 'n' => $n->copy()); - case CRYPT_RSA_PUBLIC_FORMAT_XML: + case self::PUBLIC_FORMAT_XML: return "\r\n" . ' ' . base64_encode($modulus) . "\r\n" . ' ' . base64_encode($publicExponent) . "\r\n" . ''; break; - case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH: + case self::PUBLIC_FORMAT_OPENSSH: // from : // string "ssh-rsa" // mpint e @@ -972,23 +965,26 @@ class Crypt_RSA $RSAPublicKey = 'ssh-rsa ' . base64_encode($RSAPublicKey) . ' ' . $this->comment; return $RSAPublicKey; - default: // eg. CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW or CRYPT_RSA_PUBLIC_FORMAT_PKCS1 + default: // eg. self::PUBLIC_FORMAT_PKCS1_RAW or self::PUBLIC_FORMAT_PKCS1 // from : // RSAPublicKey ::= SEQUENCE { // modulus INTEGER, -- n // publicExponent INTEGER -- e // } $components = array( - 'modulus' => pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($modulus)), $modulus), - 'publicExponent' => pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($publicExponent)), $publicExponent) + 'modulus' => pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($modulus)), $modulus), + 'publicExponent' => pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($publicExponent)), $publicExponent) ); - $RSAPublicKey = pack('Ca*a*a*', - CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($components['modulus']) + strlen($components['publicExponent'])), - $components['modulus'], $components['publicExponent'] + $RSAPublicKey = pack( + 'Ca*a*a*', + self::ASN1_SEQUENCE, + $this->_encodeLength(strlen($components['modulus']) + strlen($components['publicExponent'])), + $components['modulus'], + $components['publicExponent'] ); - if ($this->publicKeyFormat == CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW) { + if ($this->publicKeyFormat == self::PUBLIC_FORMAT_PKCS1_RAW) { $RSAPublicKey = "-----BEGIN RSA PUBLIC KEY-----\r\n" . chunk_split(base64_encode($RSAPublicKey), 64) . '-----END RSA PUBLIC KEY-----'; @@ -998,8 +994,11 @@ class Crypt_RSA $RSAPublicKey = chr(0) . $RSAPublicKey; $RSAPublicKey = chr(3) . $this->_encodeLength(strlen($RSAPublicKey)) . $RSAPublicKey; - $RSAPublicKey = pack('Ca*a*', - CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey + $RSAPublicKey = pack( + 'Ca*a*', + self::ASN1_SEQUENCE, + $this->_encodeLength(strlen($rsaOID . $RSAPublicKey)), + $rsaOID . $RSAPublicKey ); $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" . @@ -1015,20 +1014,20 @@ class Crypt_RSA * Break a public or private key down into its constituant components * * @access private - * @see _convertPublicKey() - * @see _convertPrivateKey() - * @param String $key - * @param Integer $type - * @return Array + * @see self::_convertPublicKey() + * @see self::_convertPrivateKey() + * @param string $key + * @param int $type + * @return array */ function _parseKey($key, $type) { - if ($type != CRYPT_RSA_PUBLIC_FORMAT_RAW && !is_string($key)) { + if ($type != self::PUBLIC_FORMAT_RAW && !is_string($key)) { return false; } switch ($type) { - case CRYPT_RSA_PUBLIC_FORMAT_RAW: + case self::PUBLIC_FORMAT_RAW: if (!is_array($key)) { return false; } @@ -1060,9 +1059,9 @@ class Crypt_RSA $components['modulus'] = $key[1]->copy(); } return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false; - case CRYPT_RSA_PRIVATE_FORMAT_PKCS1: - case CRYPT_RSA_PRIVATE_FORMAT_PKCS8: - case CRYPT_RSA_PUBLIC_FORMAT_PKCS1: + case self::PRIVATE_FORMAT_PKCS1: + case self::PRIVATE_FORMAT_PKCS8: + case self::PUBLIC_FORMAT_PKCS1: /* Although PKCS#1 proposes a format that public and private keys can use, encrypting them is "outside the scope" of PKCS#1. PKCS#1 then refers you to PKCS#12 and PKCS#15 if you're wanting to protect private keys, however, that's not what OpenSSL* does. OpenSSL protects private keys by adding @@ -1090,36 +1089,21 @@ class Crypt_RSA } switch ($matches[1]) { case 'AES-256-CBC': - if (!class_exists('Crypt_AES')) { - include_once 'Crypt/AES.php'; - } - $crypto = new Crypt_AES(); + $crypto = new AES(); break; case 'AES-128-CBC': - if (!class_exists('Crypt_AES')) { - include_once 'Crypt/AES.php'; - } $symkey = substr($symkey, 0, 16); - $crypto = new Crypt_AES(); + $crypto = new AES(); break; case 'DES-EDE3-CFB': - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CFB); + $crypto = new TripleDES(Base::MODE_CFB); break; case 'DES-EDE3-CBC': - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } $symkey = substr($symkey, 0, 24); - $crypto = new Crypt_TripleDES(); + $crypto = new TripleDES(); break; case 'DES-CBC': - if (!class_exists('Crypt_DES')) { - include_once 'Crypt/DES.php'; - } - $crypto = new Crypt_DES(); + $crypto = new DES(); break; default: return false; @@ -1137,7 +1121,7 @@ class Crypt_RSA $components = array(); - if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { + if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { return false; } if ($this->_decodeLength($key) != strlen($key)) { @@ -1156,14 +1140,14 @@ class Crypt_RSA ie. PKCS8 keys*/ - if ($tag == CRYPT_RSA_ASN1_INTEGER && substr($key, 0, 3) == "\x01\x00\x30") { + if ($tag == self::ASN1_INTEGER && substr($key, 0, 3) == "\x01\x00\x30") { $this->_string_shift($key, 3); - $tag = CRYPT_RSA_ASN1_SEQUENCE; + $tag = self::ASN1_SEQUENCE; } - if ($tag == CRYPT_RSA_ASN1_SEQUENCE) { + if ($tag == self::ASN1_SEQUENCE) { $temp = $this->_string_shift($key, $this->_decodeLength($key)); - if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_OBJECT) { + if (ord($this->_string_shift($temp)) != self::ASN1_OBJECT) { return false; } $length = $this->_decodeLength($temp); @@ -1176,7 +1160,7 @@ class Crypt_RSA salt OCTET STRING (SIZE(8)), iterationCount INTEGER } */ - if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_SEQUENCE) { + if (ord($this->_string_shift($temp)) != self::ASN1_SEQUENCE) { return false; } if ($this->_decodeLength($temp) != strlen($temp)) { @@ -1184,7 +1168,7 @@ class Crypt_RSA } $this->_string_shift($temp); // assume it's an octet string $salt = $this->_string_shift($temp, $this->_decodeLength($temp)); - if (ord($this->_string_shift($temp)) != CRYPT_RSA_ASN1_INTEGER) { + if (ord($this->_string_shift($temp)) != self::ASN1_INTEGER) { return false; } $this->_decodeLength($temp); @@ -1195,16 +1179,13 @@ class Crypt_RSA return false; } - if (!class_exists('Crypt_DES')) { - include_once 'Crypt/DES.php'; - } - $crypto = new Crypt_DES(); + $crypto = new DES(); $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount); $key = $crypto->decrypt($key); if ($key === false) { return false; } - return $this->_parseKey($key, CRYPT_RSA_PRIVATE_FORMAT_PKCS1); + return $this->_parseKey($key, self::PRIVATE_FORMAT_PKCS1); default: return false; } @@ -1220,10 +1201,10 @@ class Crypt_RSA // "The initial octet shall encode, as an unsigned binary integer wtih bit 1 as the least significant bit, the number of // unused bits in the final subsequent octet. The number shall be in the range zero to seven." // -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf (section 8.6.2.2) - if ($tag == CRYPT_RSA_ASN1_BITSTRING) { + if ($tag == self::ASN1_BITSTRING) { $this->_string_shift($key); } - if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { + if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { return false; } if ($this->_decodeLength($key) != strlen($key)) { @@ -1231,71 +1212,71 @@ class Crypt_RSA } $tag = ord($this->_string_shift($key)); } - if ($tag != CRYPT_RSA_ASN1_INTEGER) { + if ($tag != self::ASN1_INTEGER) { return false; } $length = $this->_decodeLength($key); $temp = $this->_string_shift($key, $length); if (strlen($temp) != 1 || ord($temp) > 2) { - $components['modulus'] = new Math_BigInteger($temp, 256); - $this->_string_shift($key); // skip over CRYPT_RSA_ASN1_INTEGER + $components['modulus'] = new BigInteger($temp, 256); + $this->_string_shift($key); // skip over self::ASN1_INTEGER $length = $this->_decodeLength($key); - $components[$type == CRYPT_RSA_PUBLIC_FORMAT_PKCS1 ? 'publicExponent' : 'privateExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components[$type == self::PUBLIC_FORMAT_PKCS1 ? 'publicExponent' : 'privateExponent'] = new BigInteger($this->_string_shift($key, $length), 256); return $components; } - if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_INTEGER) { + if (ord($this->_string_shift($key)) != self::ASN1_INTEGER) { return false; } $length = $this->_decodeLength($key); - $components['modulus'] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['modulus'] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['publicExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['publicExponent'] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['privateExponent'] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['privateExponent'] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['primes'] = array(1 => new Math_BigInteger($this->_string_shift($key, $length), 256)); + $components['primes'] = array(1 => new BigInteger($this->_string_shift($key, $length), 256)); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['primes'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['primes'][] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['exponents'] = array(1 => new Math_BigInteger($this->_string_shift($key, $length), 256)); + $components['exponents'] = array(1 => new BigInteger($this->_string_shift($key, $length), 256)); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['exponents'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['exponents'][] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['coefficients'] = array(2 => new Math_BigInteger($this->_string_shift($key, $length), 256)); + $components['coefficients'] = array(2 => new BigInteger($this->_string_shift($key, $length), 256)); if (!empty($key)) { - if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { + if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { return false; } $this->_decodeLength($key); while (!empty($key)) { - if (ord($this->_string_shift($key)) != CRYPT_RSA_ASN1_SEQUENCE) { + if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { return false; } $this->_decodeLength($key); $key = substr($key, 1); $length = $this->_decodeLength($key); - $components['primes'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['primes'][] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['exponents'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['exponents'][] = new BigInteger($this->_string_shift($key, $length), 256); $this->_string_shift($key); $length = $this->_decodeLength($key); - $components['coefficients'][] = new Math_BigInteger($this->_string_shift($key, $length), 256); + $components['coefficients'][] = new BigInteger($this->_string_shift($key, $length), 256); } } return $components; - case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH: + case self::PUBLIC_FORMAT_OPENSSH: $parts = explode(' ', $key, 3); $key = isset($parts[1]) ? base64_decode($parts[1]) : false; @@ -1311,19 +1292,19 @@ class Crypt_RSA return false; } extract(unpack('Nlength', $this->_string_shift($key, 4))); - $publicExponent = new Math_BigInteger($this->_string_shift($key, $length), -256); + $publicExponent = new BigInteger($this->_string_shift($key, $length), -256); if (strlen($key) <= 4) { return false; } extract(unpack('Nlength', $this->_string_shift($key, 4))); - $modulus = new Math_BigInteger($this->_string_shift($key, $length), -256); + $modulus = new BigInteger($this->_string_shift($key, $length), -256); if ($cleanup && strlen($key)) { if (strlen($key) <= 4) { return false; } extract(unpack('Nlength', $this->_string_shift($key, 4))); - $realModulus = new Math_BigInteger($this->_string_shift($key, $length), -256); + $realModulus = new BigInteger($this->_string_shift($key, $length), -256); return strlen($key) ? false : array( 'modulus' => $realModulus, 'publicExponent' => $modulus, @@ -1338,8 +1319,8 @@ class Crypt_RSA } // http://www.w3.org/TR/xmldsig-core/#sec-RSAKeyValue // http://en.wikipedia.org/wiki/XML_Signature - case CRYPT_RSA_PRIVATE_FORMAT_XML: - case CRYPT_RSA_PUBLIC_FORMAT_XML: + case self::PRIVATE_FORMAT_XML: + case self::PUBLIC_FORMAT_XML: $this->components = array(); $xml = xml_parser_create('UTF-8'); @@ -1353,7 +1334,7 @@ class Crypt_RSA return isset($this->components['modulus']) && isset($this->components['publicExponent']) ? $this->components : false; // from PuTTY's SSHPUBK.C - case CRYPT_RSA_PRIVATE_FORMAT_PUTTY: + case self::PRIVATE_FORMAT_PUTTY: $components = array(); $key = preg_split('#\r\n|\r|\n#', $key); $type = trim(preg_replace('#PuTTY-User-Key-File-2: (.+)#', '$1', $key[0])); @@ -1367,18 +1348,15 @@ class Crypt_RSA $public = base64_decode(implode('', array_map('trim', array_slice($key, 4, $publicLength)))); $public = substr($public, 11); extract(unpack('Nlength', $this->_string_shift($public, 4))); - $components['publicExponent'] = new Math_BigInteger($this->_string_shift($public, $length), -256); + $components['publicExponent'] = new BigInteger($this->_string_shift($public, $length), -256); extract(unpack('Nlength', $this->_string_shift($public, 4))); - $components['modulus'] = new Math_BigInteger($this->_string_shift($public, $length), -256); + $components['modulus'] = new BigInteger($this->_string_shift($public, $length), -256); $privateLength = trim(preg_replace('#Private-Lines: (\d+)#', '$1', $key[$publicLength + 4])); $private = base64_decode(implode('', array_map('trim', array_slice($key, $publicLength + 5, $privateLength)))); switch ($encryption) { case 'aes256-cbc': - if (!class_exists('Crypt_AES')) { - include_once 'Crypt/AES.php'; - } $symkey = ''; $sequence = 0; while (strlen($symkey) < 32) { @@ -1386,7 +1364,7 @@ class Crypt_RSA $symkey.= pack('H*', sha1($temp)); } $symkey = substr($symkey, 0, 32); - $crypto = new Crypt_AES(); + $crypto = new AES(); } if ($encryption != 'none') { @@ -1402,17 +1380,17 @@ class Crypt_RSA if (strlen($private) < $length) { return false; } - $components['privateExponent'] = new Math_BigInteger($this->_string_shift($private, $length), -256); + $components['privateExponent'] = new BigInteger($this->_string_shift($private, $length), -256); extract(unpack('Nlength', $this->_string_shift($private, 4))); if (strlen($private) < $length) { return false; } - $components['primes'] = array(1 => new Math_BigInteger($this->_string_shift($private, $length), -256)); + $components['primes'] = array(1 => new BigInteger($this->_string_shift($private, $length), -256)); extract(unpack('Nlength', $this->_string_shift($private, 4))); if (strlen($private) < $length) { return false; } - $components['primes'][] = new Math_BigInteger($this->_string_shift($private, $length), -256); + $components['primes'][] = new BigInteger($this->_string_shift($private, $length), -256); $temp = $components['primes'][1]->subtract($this->one); $components['exponents'] = array(1 => $components['publicExponent']->modInverse($temp)); @@ -1423,7 +1401,7 @@ class Crypt_RSA if (strlen($private) < $length) { return false; } - $components['coefficients'] = array(2 => new Math_BigInteger($this->_string_shift($private, $length), -256)); + $components['coefficients'] = array(2 => new BigInteger($this->_string_shift($private, $length), -256)); return $components; } @@ -1435,7 +1413,7 @@ class Crypt_RSA * More specifically, this returns the size of the modulo in bits. * * @access public - * @return Integer + * @return int */ function getSize() { @@ -1448,9 +1426,9 @@ class Crypt_RSA * Called by xml_set_element_handler() * * @access private - * @param Resource $parser - * @param String $name - * @param Array $attribs + * @param resource $parser + * @param string $name + * @param array $attribs */ function _start_element_handler($parser, $name, $attribs) { @@ -1489,13 +1467,13 @@ class Crypt_RSA * Called by xml_set_element_handler() * * @access private - * @param Resource $parser - * @param String $name + * @param resource $parser + * @param string $name */ function _stop_element_handler($parser, $name) { if (isset($this->current)) { - $this->current = new Math_BigInteger(base64_decode($this->current), 256); + $this->current = new BigInteger(base64_decode($this->current), 256); unset($this->current); } } @@ -1506,8 +1484,8 @@ class Crypt_RSA * Called by xml_set_character_data_handler() * * @access private - * @param Resource $parser - * @param String $data + * @param resource $parser + * @param string $data */ function _data_handler($parser, $data) { @@ -1523,12 +1501,12 @@ class Crypt_RSA * Returns true on success and false on failure (ie. an incorrect password was provided or the key was malformed) * * @access public - * @param String $key - * @param Integer $type optional + * @param string $key + * @param int $type optional */ function loadKey($key, $type = false) { - if (is_object($key) && strtolower(get_class($key)) == 'crypt_rsa') { + if ($key instanceof RSA) { $this->privateKeyFormat = $key->privateKeyFormat; $this->publicKeyFormat = $key->publicKeyFormat; $this->k = $key->k; @@ -1542,10 +1520,10 @@ class Crypt_RSA $this->comment = $key->comment; if (is_object($key->hash)) { - $this->hash = new Crypt_Hash($key->hash->getHash()); + $this->hash = new Hash($key->hash->getHash()); } if (is_object($key->mgfHash)) { - $this->mgfHash = new Crypt_Hash($key->mgfHash->getHash()); + $this->mgfHash = new Hash($key->mgfHash->getHash()); } if (is_object($key->modulus)) { @@ -1577,11 +1555,11 @@ class Crypt_RSA if ($type === false) { $types = array( - CRYPT_RSA_PUBLIC_FORMAT_RAW, - CRYPT_RSA_PRIVATE_FORMAT_PKCS1, - CRYPT_RSA_PRIVATE_FORMAT_XML, - CRYPT_RSA_PRIVATE_FORMAT_PUTTY, - CRYPT_RSA_PUBLIC_FORMAT_OPENSSH + self::PUBLIC_FORMAT_RAW, + self::PRIVATE_FORMAT_PKCS1, + self::PRIVATE_FORMAT_XML, + self::PRIVATE_FORMAT_PUTTY, + self::PUBLIC_FORMAT_OPENSSH ); foreach ($types as $type) { $components = $this->_parseKey($key, $type); @@ -1589,7 +1567,6 @@ class Crypt_RSA break; } } - } else { $components = $this->_parseKey($key, $type); } @@ -1617,11 +1594,11 @@ class Crypt_RSA } switch ($type) { - case CRYPT_RSA_PUBLIC_FORMAT_OPENSSH: - case CRYPT_RSA_PUBLIC_FORMAT_RAW: + case self::PUBLIC_FORMAT_OPENSSH: + case self::PUBLIC_FORMAT_RAW: $this->setPublicKey(); break; - case CRYPT_RSA_PRIVATE_FORMAT_PKCS1: + case self::PRIVATE_FORMAT_PKCS1: switch (true) { case strpos($key, '-BEGIN PUBLIC KEY-') !== false: case strpos($key, '-BEGIN RSA PUBLIC KEY-') !== false: @@ -1638,10 +1615,10 @@ class Crypt_RSA * Private keys can be encrypted with a password. To unset the password, pass in the empty string or false. * Or rather, pass in $password such that empty($password) && !is_string($password) is true. * - * @see createKey() - * @see loadKey() + * @see self::createKey() + * @see self::loadKey() * @access public - * @param String $password + * @param string $password */ function setPassword($password = false) { @@ -1663,11 +1640,11 @@ class Crypt_RSA * * Returns true on success, false on failure * - * @see getPublicKey() + * @see self::getPublicKey() * @access public - * @param String $key optional - * @param Integer $type optional - * @return Boolean + * @param string $key optional + * @param int $type optional + * @return bool */ function setPublicKey($key = false, $type = false) { @@ -1683,10 +1660,10 @@ class Crypt_RSA if ($type === false) { $types = array( - CRYPT_RSA_PUBLIC_FORMAT_RAW, - CRYPT_RSA_PUBLIC_FORMAT_PKCS1, - CRYPT_RSA_PUBLIC_FORMAT_XML, - CRYPT_RSA_PUBLIC_FORMAT_OPENSSH + self::PUBLIC_FORMAT_RAW, + self::PUBLIC_FORMAT_PKCS1, + self::PUBLIC_FORMAT_XML, + self::PUBLIC_FORMAT_OPENSSH ); foreach ($types as $type) { $components = $this->_parseKey($key, $type); @@ -1723,24 +1700,24 @@ class Crypt_RSA * * Returns true on success, false on failure * - * @see getPublicKey() + * @see self::getPublicKey() * @access public - * @param String $key optional - * @param Integer $type optional - * @return Boolean + * @param string $key optional + * @param int $type optional + * @return bool */ function setPrivateKey($key = false, $type = false) { if ($key === false && !empty($this->publicExponent)) { - unset($this->publicExponent); + $this->publicExponent = false; return true; } - $rsa = new Crypt_RSA(); + $rsa = new RSA(); if (!$rsa->loadKey($key, $type)) { return false; } - unset($rsa->publicExponent); + $rsa->publicExponent = false; // don't overwrite the old key if the new key is invalid $this->loadKey($rsa); @@ -1754,12 +1731,12 @@ class Crypt_RSA * or if the public key was set via setPublicKey(). If the currently loaded key is supposed to be the public key this * function won't return it since this library, for the most part, doesn't distinguish between public and private keys. * - * @see getPublicKey() + * @see self::getPublicKey() * @access public - * @param String $key - * @param Integer $type optional + * @param string $key + * @param int $type optional */ - function getPublicKey($type = CRYPT_RSA_PUBLIC_FORMAT_PKCS8) + function getPublicKey($type = self::PUBLIC_FORMAT_PKCS8) { if (empty($this->modulus) || empty($this->publicExponent)) { return false; @@ -1772,17 +1749,53 @@ class Crypt_RSA return $temp; } + /** + * Returns the public key's fingerprint + * + * The public key's fingerprint is returned, which is equivalent to running `ssh-keygen -lf rsa.pub`. If there is + * no public key currently loaded, false is returned. + * Example output (md5): "c1:b1:30:29:d7:b8:de:6c:97:77:10:d7:46:41:63:87" (as specified by RFC 4716) + * + * @access public + * @param string $algorithm The hashing algorithm to be used. Valid options are 'md5' and 'sha256'. False is returned + * for invalid values. + * @return mixed + */ + function getPublicKeyFingerprint($algorithm = 'md5') + { + if (empty($this->modulus) || empty($this->publicExponent)) { + return false; + } + + $modulus = $this->modulus->toBytes(true); + $publicExponent = $this->publicExponent->toBytes(true); + + $RSAPublicKey = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publicExponent), $publicExponent, strlen($modulus), $modulus); + + switch ($algorithm) { + case 'sha256': + $hash = new Hash('sha256'); + $base = base64_encode($hash->hash($RSAPublicKey)); + return substr($base, 0, strlen($base) - 1); + case 'md5': + return substr(chunk_split(md5($RSAPublicKey), 2, ':'), 0, -1); + default: + return false; + } + } + /** * Returns the private key * * The private key is only returned if the currently loaded key contains the constituent prime numbers. * - * @see getPublicKey() + * @see self::getPublicKey() * @access public - * @param String $key - * @param Integer $type optional + * @param string $key + * @param int $type optional + * @return mixed */ - function getPrivateKey($type = CRYPT_RSA_PUBLIC_FORMAT_PKCS1) + function getPrivateKey($type = self::PUBLIC_FORMAT_PKCS1) { if (empty($this->primes)) { return false; @@ -1801,12 +1814,12 @@ class Crypt_RSA * Returns the private key without the prime number constituants. Structurally identical to a public key that * hasn't been set as the public key * - * @see getPrivateKey() + * @see self::getPrivateKey() * @access private - * @param String $key - * @param Integer $type optional + * @param string $key + * @param int $type optional */ - function _getPrivatePublicKey($mode = CRYPT_RSA_PUBLIC_FORMAT_PKCS8) + function _getPrivatePublicKey($mode = self::PUBLIC_FORMAT_PKCS8) { if (empty($this->modulus) || empty($this->exponent)) { return false; @@ -1823,6 +1836,7 @@ class Crypt_RSA * __toString() magic method * * @access public + * @return string */ function __toString() { @@ -1838,10 +1852,11 @@ class Crypt_RSA * __clone() magic method * * @access public + * @return Crypt_RSA */ function __clone() { - $key = new Crypt_RSA(); + $key = new RSA(); $key->loadKey($this); return $key; } @@ -1850,8 +1865,8 @@ class Crypt_RSA * Generates the smallest and largest numbers requiring $bits bits * * @access private - * @param Integer $bits - * @return Array + * @param int $bits + * @return array */ function _generateMinMax($bits) { @@ -1867,8 +1882,8 @@ class Crypt_RSA } return array( - 'min' => new Math_BigInteger($min, 256), - 'max' => new Math_BigInteger($max, 256) + 'min' => new BigInteger($min, 256), + 'max' => new BigInteger($max, 256) ); } @@ -1879,13 +1894,13 @@ class Crypt_RSA * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. * * @access private - * @param String $string - * @return Integer + * @param string $string + * @return int */ function _decodeLength(&$string) { $length = ord($this->_string_shift($string)); - if ( $length & 0x80 ) { // definite length, long form + if ($length & 0x80) { // definite length, long form $length&= 0x7F; $temp = $this->_string_shift($string, $length); list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4)); @@ -1900,8 +1915,8 @@ class Crypt_RSA * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. * * @access private - * @param Integer $length - * @return String + * @param int $length + * @return string */ function _encodeLength($length) { @@ -1918,9 +1933,9 @@ class Crypt_RSA * * Inspired by array_shift * - * @param String $string - * @param optional Integer $index - * @return String + * @param string $string + * @param int $index + * @return string * @access private */ function _string_shift(&$string, $index = 1) @@ -1933,9 +1948,9 @@ class Crypt_RSA /** * Determines the private key format * - * @see createKey() + * @see self::createKey() * @access public - * @param Integer $format + * @param int $format */ function setPrivateKeyFormat($format) { @@ -1945,9 +1960,9 @@ class Crypt_RSA /** * Determines the public key format * - * @see createKey() + * @see self::createKey() * @access public - * @param Integer $format + * @param int $format */ function setPublicKeyFormat($format) { @@ -1957,15 +1972,15 @@ class Crypt_RSA /** * Determines which hashing function should be used * - * Used with signature production / verification and (if the encryption mode is CRYPT_RSA_ENCRYPTION_OAEP) encryption and + * Used with signature production / verification and (if the encryption mode is self::ENCRYPTION_OAEP) encryption and * decryption. If $hash isn't supported, sha1 is used. * * @access public - * @param String $hash + * @param string $hash */ function setHash($hash) { - // Crypt_Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. + // \phpseclib\Crypt\Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. switch ($hash) { case 'md2': case 'md5': @@ -1973,11 +1988,11 @@ class Crypt_RSA case 'sha256': case 'sha384': case 'sha512': - $this->hash = new Crypt_Hash($hash); + $this->hash = new Hash($hash); $this->hashName = $hash; break; default: - $this->hash = new Crypt_Hash('sha1'); + $this->hash = new Hash('sha1'); $this->hashName = 'sha1'; } $this->hLen = $this->hash->getLength(); @@ -1986,15 +2001,15 @@ class Crypt_RSA /** * Determines which hashing function should be used for the mask generation function * - * The mask generation function is used by CRYPT_RSA_ENCRYPTION_OAEP and CRYPT_RSA_SIGNATURE_PSS and although it's + * The mask generation function is used by self::ENCRYPTION_OAEP and self::SIGNATURE_PSS and although it's * best if Hash and MGFHash are set to the same thing this is not a requirement. * * @access public - * @param String $hash + * @param string $hash */ function setMGFHash($hash) { - // Crypt_Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. + // \phpseclib\Crypt\Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. switch ($hash) { case 'md2': case 'md5': @@ -2002,10 +2017,10 @@ class Crypt_RSA case 'sha256': case 'sha384': case 'sha512': - $this->mgfHash = new Crypt_Hash($hash); + $this->mgfHash = new Hash($hash); break; default: - $this->mgfHash = new Crypt_Hash('sha1'); + $this->mgfHash = new Hash('sha1'); } $this->mgfHLen = $this->mgfHash->getLength(); } @@ -2019,7 +2034,7 @@ class Crypt_RSA * of the hash function Hash) and 0. * * @access public - * @param Integer $format + * @param int $format */ function setSaltLength($sLen) { @@ -2032,9 +2047,9 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-4.1 RFC3447#section-4.1}. * * @access private - * @param Math_BigInteger $x - * @param Integer $xLen - * @return String + * @param \phpseclib\Math\BigInteger $x + * @param int $xLen + * @return string */ function _i2osp($x, $xLen) { @@ -2052,12 +2067,12 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-4.2 RFC3447#section-4.2}. * * @access private - * @param String $x - * @return Math_BigInteger + * @param string $x + * @return \phpseclib\Math\BigInteger */ function _os2ip($x) { - return new Math_BigInteger($x, 256); + return new BigInteger($x, 256); } /** @@ -2066,13 +2081,19 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.2}. * * @access private - * @param Math_BigInteger $x - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $x + * @return \phpseclib\Math\BigInteger */ function _exponentiate($x) { - if (empty($this->primes) || empty($this->coefficients) || empty($this->exponents)) { - return $x->modPow($this->exponent, $this->modulus); + switch (true) { + case empty($this->primes): + case $this->primes[1]->equals($this->zero): + case empty($this->coefficients): + case $this->coefficients[2]->equals($this->zero): + case empty($this->exponents): + case $this->exponents[1]->equals($this->zero): + return $x->modPow($this->exponent, $this->modulus); } $num_primes = count($this->primes); @@ -2107,7 +2128,7 @@ class Crypt_RSA } } - $one = new Math_BigInteger(1); + $one = new BigInteger(1); $r = $one->random($one, $smallest->subtract($one)); @@ -2144,10 +2165,10 @@ class Crypt_RSA * Returns $x->modPow($this->exponents[$i], $this->primes[$i]) * * @access private - * @param Math_BigInteger $x - * @param Math_BigInteger $r - * @param Integer $i - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $x + * @param \phpseclib\Math\BigInteger $r + * @param int $i + * @return \phpseclib\Math\BigInteger */ function _blind($x, $r, $i) { @@ -2171,9 +2192,9 @@ class Crypt_RSA * Thanks for the heads up singpolyma! * * @access private - * @param String $x - * @param String $y - * @return Boolean + * @param string $x + * @param string $y + * @return bool */ function _equals($x, $y) { @@ -2195,8 +2216,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.1}. * * @access private - * @param Math_BigInteger $m - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $m + * @return \phpseclib\Math\BigInteger */ function _rsaep($m) { @@ -2213,8 +2234,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.2 RFC3447#section-5.1.2}. * * @access private - * @param Math_BigInteger $c - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $c + * @return \phpseclib\Math\BigInteger */ function _rsadp($c) { @@ -2231,8 +2252,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.1 RFC3447#section-5.2.1}. * * @access private - * @param Math_BigInteger $m - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $m + * @return \phpseclib\Math\BigInteger */ function _rsasp1($m) { @@ -2249,8 +2270,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.2 RFC3447#section-5.2.2}. * * @access private - * @param Math_BigInteger $s - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $s + * @return \phpseclib\Math\BigInteger */ function _rsavp1($s) { @@ -2267,9 +2288,9 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#appendix-B.2.1 RFC3447#appendix-B.2.1}. * * @access private - * @param String $mgfSeed - * @param Integer $mgfLen - * @return String + * @param string $mgfSeed + * @param int $mgfLen + * @return string */ function _mgf1($mgfSeed, $maskLen) { @@ -2292,9 +2313,9 @@ class Crypt_RSA * {http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding OAES}. * * @access private - * @param String $m - * @param String $l - * @return String + * @param string $m + * @param string $l + * @return string */ function _rsaes_oaep_encrypt($m, $l = '') { @@ -2315,7 +2336,7 @@ class Crypt_RSA $lHash = $this->hash->hash($l); $ps = str_repeat(chr(0), $this->k - $mLen - 2 * $this->hLen - 2); $db = $lHash . $ps . chr(1) . $m; - $seed = crypt_random_string($this->hLen); + $seed = Random::string($this->hLen); $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1); $maskedDB = $db ^ $dbMask; $seedMask = $this->_mgf1($maskedDB, $this->hLen); @@ -2355,9 +2376,9 @@ class Crypt_RSA * this document. * * @access private - * @param String $c - * @param String $l - * @return String + * @param string $c + * @param string $l + * @return string */ function _rsaes_oaep_decrypt($c, $l = '') { @@ -2408,14 +2429,30 @@ class Crypt_RSA return substr($m, 1); } + /** + * Raw Encryption / Decryption + * + * Doesn't use padding and is not recommended. + * + * @access private + * @param string $m + * @return string + */ + function _raw_encrypt($m) + { + $temp = $this->_os2ip($m); + $temp = $this->_rsaep($temp); + return $this->_i2osp($temp, $this->k); + } + /** * RSAES-PKCS1-V1_5-ENCRYPT * * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.1 RFC3447#section-7.2.1}. * * @access private - * @param String $m - * @return String + * @param string $m + * @return string */ function _rsaes_pkcs1_v1_5_encrypt($m) { @@ -2433,7 +2470,7 @@ class Crypt_RSA $psLen = $this->k - $mLen - 3; $ps = ''; while (strlen($ps) != $psLen) { - $temp = crypt_random_string($psLen - strlen($ps)); + $temp = Random::string($psLen - strlen($ps)); $temp = str_replace("\x00", '', $temp); $ps.= $temp; } @@ -2468,13 +2505,13 @@ class Crypt_RSA * to be 2 regardless of which key is used. For compatibility purposes, we'll just check to make sure the * second byte is 2 or less. If it is, we'll accept the decrypted string as valid. * - * As a consequence of this, a private key encrypted ciphertext produced with Crypt_RSA may not decrypt + * As a consequence of this, a private key encrypted ciphertext produced with \phpseclib\Crypt\RSA may not decrypt * with a strictly PKCS#1 v1.5 compliant RSA implementation. Public key encrypted ciphertext's should but * not private key encrypted ciphertext's. * * @access private - * @param String $c - * @return String + * @param string $c + * @return string */ function _rsaes_pkcs1_v1_5_decrypt($c) { @@ -2522,8 +2559,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.1 RFC3447#section-9.1.1}. * * @access private - * @param String $m - * @param Integer $emBits + * @param string $m + * @param int $emBits */ function _emsa_pss_encode($m, $emBits) { @@ -2531,7 +2568,7 @@ class Crypt_RSA // be output. $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8) - $sLen = $this->sLen == false ? $this->hLen : $this->sLen; + $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; $mHash = $this->hash->hash($m); if ($emLen < $this->hLen + $sLen + 2) { @@ -2539,7 +2576,7 @@ class Crypt_RSA return false; } - $salt = crypt_random_string($sLen); + $salt = Random::string($sLen); $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt; $h = $this->hash->hash($m2); $ps = str_repeat(chr(0), $emLen - $sLen - $this->hLen - 2); @@ -2558,10 +2595,10 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.2 RFC3447#section-9.1.2}. * * @access private - * @param String $m - * @param String $em - * @param Integer $emBits - * @return String + * @param string $m + * @param string $em + * @param int $emBits + * @return string */ function _emsa_pss_verify($m, $em, $emBits) { @@ -2569,7 +2606,7 @@ class Crypt_RSA // be output. $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8); - $sLen = $this->sLen == false ? $this->hLen : $this->sLen; + $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; $mHash = $this->hash->hash($m); if ($emLen < $this->hLen + $sLen + 2) { @@ -2605,8 +2642,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.1 RFC3447#section-8.1.1}. * * @access private - * @param String $m - * @return String + * @param string $m + * @return string */ function _rsassa_pss_sign($m) { @@ -2631,9 +2668,9 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.2 RFC3447#section-8.1.2}. * * @access private - * @param String $m - * @param String $s - * @return String + * @param string $m + * @param string $s + * @return string */ function _rsassa_pss_verify($m, $s) { @@ -2671,9 +2708,9 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-9.2 RFC3447#section-9.2}. * * @access private - * @param String $m - * @param Integer $emLen - * @return String + * @param string $m + * @param int $emLen + * @return string */ function _emsa_pkcs1_v1_5_encode($m, $emLen) { @@ -2723,8 +2760,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.1 RFC3447#section-8.2.1}. * * @access private - * @param String $m - * @return String + * @param string $m + * @return string */ function _rsassa_pkcs1_v1_5_sign($m) { @@ -2753,8 +2790,8 @@ class Crypt_RSA * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.2 RFC3447#section-8.2.2}. * * @access private - * @param String $m - * @return String + * @param string $m + * @return string */ function _rsassa_pkcs1_v1_5_verify($m, $s) { @@ -2794,10 +2831,10 @@ class Crypt_RSA /** * Set Encryption Mode * - * Valid values include CRYPT_RSA_ENCRYPTION_OAEP and CRYPT_RSA_ENCRYPTION_PKCS1. + * Valid values include self::ENCRYPTION_OAEP and self::ENCRYPTION_PKCS1. * * @access public - * @param Integer $mode + * @param int $mode */ function setEncryptionMode($mode) { @@ -2807,10 +2844,10 @@ class Crypt_RSA /** * Set Signature Mode * - * Valid values include CRYPT_RSA_SIGNATURE_PSS and CRYPT_RSA_SIGNATURE_PKCS1 + * Valid values include self::SIGNATURE_PSS and self::SIGNATURE_PKCS1 * * @access public - * @param Integer $mode + * @param int $mode */ function setSignatureMode($mode) { @@ -2821,7 +2858,7 @@ class Crypt_RSA * Set public key comment. * * @access public - * @param String $comment + * @param string $comment */ function setComment($comment) { @@ -2832,7 +2869,7 @@ class Crypt_RSA * Get public key comment. * * @access public - * @return String + * @return string */ function getComment() { @@ -2842,19 +2879,26 @@ class Crypt_RSA /** * Encryption * - * Both CRYPT_RSA_ENCRYPTION_OAEP and CRYPT_RSA_ENCRYPTION_PKCS1 both place limits on how long $plaintext can be. + * Both self::ENCRYPTION_OAEP and self::ENCRYPTION_PKCS1 both place limits on how long $plaintext can be. * If $plaintext exceeds those limits it will be broken up so that it does and the resultant ciphertext's will * be concatenated together. * - * @see decrypt() + * @see self::decrypt() * @access public - * @param String $plaintext - * @return String + * @param string $plaintext + * @return string */ function encrypt($plaintext) { switch ($this->encryptionMode) { - case CRYPT_RSA_ENCRYPTION_PKCS1: + case self::ENCRYPTION_NONE: + $plaintext = str_split($plaintext, $this->k); + $ciphertext = ''; + foreach ($plaintext as $m) { + $ciphertext.= $this->_raw_encrypt($m); + } + return $ciphertext; + case self::ENCRYPTION_PKCS1: $length = $this->k - 11; if ($length <= 0) { return false; @@ -2866,7 +2910,7 @@ class Crypt_RSA $ciphertext.= $this->_rsaes_pkcs1_v1_5_encrypt($m); } return $ciphertext; - //case CRYPT_RSA_ENCRYPTION_OAEP: + //case self::ENCRYPTION_OAEP: default: $length = $this->k - 2 * $this->hLen - 2; if ($length <= 0) { @@ -2885,10 +2929,10 @@ class Crypt_RSA /** * Decryption * - * @see encrypt() + * @see self::encrypt() * @access public - * @param String $plaintext - * @return String + * @param string $plaintext + * @return string */ function decrypt($ciphertext) { @@ -2902,10 +2946,13 @@ class Crypt_RSA $plaintext = ''; switch ($this->encryptionMode) { - case CRYPT_RSA_ENCRYPTION_PKCS1: + case self::ENCRYPTION_NONE: + $decrypt = '_raw_encrypt'; + break; + case self::ENCRYPTION_PKCS1: $decrypt = '_rsaes_pkcs1_v1_5_decrypt'; break; - //case CRYPT_RSA_ENCRYPTION_OAEP: + //case self::ENCRYPTION_OAEP: default: $decrypt = '_rsaes_oaep_decrypt'; } @@ -2924,10 +2971,10 @@ class Crypt_RSA /** * Create a signature * - * @see verify() + * @see self::verify() * @access public - * @param String $message - * @return String + * @param string $message + * @return string */ function sign($message) { @@ -2936,9 +2983,9 @@ class Crypt_RSA } switch ($this->signatureMode) { - case CRYPT_RSA_SIGNATURE_PKCS1: + case self::SIGNATURE_PKCS1: return $this->_rsassa_pkcs1_v1_5_sign($message); - //case CRYPT_RSA_SIGNATURE_PSS: + //case self::SIGNATURE_PSS: default: return $this->_rsassa_pss_sign($message); } @@ -2947,11 +2994,11 @@ class Crypt_RSA /** * Verifies a signature * - * @see sign() + * @see self::sign() * @access public - * @param String $message - * @param String $signature - * @return Boolean + * @param string $message + * @param string $signature + * @return bool */ function verify($message, $signature) { @@ -2960,9 +3007,9 @@ class Crypt_RSA } switch ($this->signatureMode) { - case CRYPT_RSA_SIGNATURE_PKCS1: + case self::SIGNATURE_PKCS1: return $this->_rsassa_pkcs1_v1_5_verify($message, $signature); - //case CRYPT_RSA_SIGNATURE_PSS: + //case self::SIGNATURE_PSS: default: return $this->_rsassa_pss_verify($message, $signature); } @@ -2972,8 +3019,8 @@ class Crypt_RSA * Extract raw BER from Base64 encoding * * @access private - * @param String $str - * @return String + * @param string $str + * @return string */ function _extractBER($str) { @@ -2986,7 +3033,7 @@ class Crypt_RSA * subject=/O=organization/OU=org unit/CN=common name * issuer=/O=organization/CN=common name */ - $temp = preg_replace('#.*?^-+[^-]+-+#ms', '', $str, 1); + $temp = preg_replace('#.*?^-+[^-]+-+[\r\n ]*$#ms', '', $str, 1); // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff $temp = preg_replace('#-+[^-]+-+#', '', $temp); // remove new lines diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.php index 918b97bf9..170d1c377 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.php @@ -3,57 +3,36 @@ /** * Random Number Generator * - * The idea behind this function is that it can be easily replaced with your own crypt_random_string() - * function. eg. maybe you have a better source of entropy for creating the initial states or whatever. - * - * PHP versions 4 and 5 + * PHP version 5 * * Here's a short example of how to use this library: * * * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Random + * @package Random * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -// laravel is a PHP framework that utilizes phpseclib. laravel workbenches may, independently, -// have phpseclib as a requirement as well. if you're developing such a program you may encounter -// a "Cannot redeclare crypt_random_string()" error. -if (!function_exists('crypt_random_string')) { - /** - * "Is Windows" test - * - * @access private - */ - define('CRYPT_RANDOM_IS_WINDOWS', strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'); +namespace phpseclib\Crypt; +/** + * Pure-PHP Random Number Generator + * + * @package Random + * @author Jim Wigginton + * @access public + */ +class Random +{ /** * Generate a random string. * @@ -61,16 +40,28 @@ if (!function_exists('crypt_random_string')) { * microoptimizations because this function has the potential of being called a huge number of times. * eg. for RSA key generation. * - * @param Integer $length - * @return String - * @access public + * @param int $length + * @return string */ - function crypt_random_string($length) + static function string($length) { - if (CRYPT_RANDOM_IS_WINDOWS) { + if (version_compare(PHP_VERSION, '7.0.0', '>=')) { + try { + return \random_bytes($length); + } catch (\Throwable $e) { + // If a sufficient source of randomness is unavailable, random_bytes() will throw an + // object that implements the Throwable interface (Exception, TypeError, Error). + // We don't actually need to do anything here. The string() method should just continue + // as normal. Note, however, that if we don't have a sufficient source of randomness for + // random_bytes(), most of the other calls here will fail too, so we'll end up using + // the PHP implementation. + } + } + + if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { // method 1. prior to PHP 5.3 this would call rand() on windows hence the function_exists('class_alias') call. // ie. class_alias is a function that was introduced in PHP 5.3 - if (function_exists('mcrypt_create_iv') && function_exists('class_alias')) { + if (extension_loaded('mcrypt') && function_exists('class_alias')) { return mcrypt_create_iv($length); } // method 2. openssl_random_pseudo_bytes was introduced in PHP 5.3.0 but prior to PHP 5.3.4 there was, @@ -86,12 +77,12 @@ if (!function_exists('crypt_random_string')) { // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/win32/winutil.c#L80 // // we're calling it, all the same, in the off chance that the mcrypt extension is not available - if (function_exists('openssl_random_pseudo_bytes') && version_compare(PHP_VERSION, '5.3.4', '>=')) { + if (extension_loaded('openssl') && version_compare(PHP_VERSION, '5.3.4', '>=')) { return openssl_random_pseudo_bytes($length); } } else { // method 1. the fastest - if (function_exists('openssl_random_pseudo_bytes')) { + if (extension_loaded('openssl')) { return openssl_random_pseudo_bytes($length); } // method 2 @@ -109,7 +100,7 @@ if (!function_exists('crypt_random_string')) { // surprisingly slower than method 2. maybe that's because mcrypt_create_iv does a bunch of error checking that we're // not doing. regardless, this'll only be called if this PHP script couldn't open /dev/urandom due to open_basedir // restrictions or some such - if (function_exists('mcrypt_create_iv')) { + if (extension_loaded('mcrypt')) { return mcrypt_create_iv($length, MCRYPT_DEV_URANDOM); } } @@ -149,13 +140,13 @@ if (!function_exists('crypt_random_string')) { session_start(); $v = $seed = $_SESSION['seed'] = pack('H*', sha1( - serialize($_SERVER) . - serialize($_POST) . - serialize($_GET) . - serialize($_COOKIE) . - serialize($GLOBALS) . - serialize($_SESSION) . - serialize($_OLD_SESSION) + (isset($_SERVER) ? phpseclib_safe_serialize($_SERVER) : '') . + (isset($_POST) ? phpseclib_safe_serialize($_POST) : '') . + (isset($_GET) ? phpseclib_safe_serialize($_GET) : '') . + (isset($_COOKIE) ? phpseclib_safe_serialize($_COOKIE) : '') . + phpseclib_safe_serialize($GLOBALS) . + phpseclib_safe_serialize($_SESSION) . + phpseclib_safe_serialize($_OLD_SESSION) )); if (!isset($_SESSION['count'])) { $_SESSION['count'] = 0; @@ -171,9 +162,9 @@ if (!function_exists('crypt_random_string')) { ini_set('session.use_cookies', $old_use_cookies); session_cache_limiter($old_session_cache_limiter); } else { - if ($_OLD_SESSION !== false) { - $_SESSION = $_OLD_SESSION; - unset($_OLD_SESSION); + if ($_OLD_SESSION !== false) { + $_SESSION = $_OLD_SESSION; + unset($_OLD_SESSION); } else { unset($_SESSION); } @@ -194,44 +185,26 @@ if (!function_exists('crypt_random_string')) { // // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives switch (true) { - case phpseclib_resolve_include_path('Crypt/AES.php'): - if (!class_exists('Crypt_AES')) { - include_once 'AES.php'; - } - $crypto = new Crypt_AES(CRYPT_AES_MODE_CTR); + case class_exists('\phpseclib\Crypt\AES'): + $crypto = new AES(Base::MODE_CTR); break; - case phpseclib_resolve_include_path('Crypt/Twofish.php'): - if (!class_exists('Crypt_Twofish')) { - include_once 'Twofish.php'; - } - $crypto = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR); + case class_exists('\phpseclib\Crypt\Twofish'): + $crypto = new Twofish(Base::MODE_CTR); break; - case phpseclib_resolve_include_path('Crypt/Blowfish.php'): - if (!class_exists('Crypt_Blowfish')) { - include_once 'Blowfish.php'; - } - $crypto = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR); + case class_exists('\phpseclib\Crypt\Blowfish'): + $crypto = new Blowfish(Base::MODE_CTR); break; - case phpseclib_resolve_include_path('Crypt/TripleDES.php'): - if (!class_exists('Crypt_TripleDES')) { - include_once 'TripleDES.php'; - } - $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CTR); + case class_exists('\phpseclib\Crypt\TripleDES'): + $crypto = new TripleDES(Base::MODE_CTR); break; - case phpseclib_resolve_include_path('Crypt/DES.php'): - if (!class_exists('Crypt_DES')) { - include_once 'DES.php'; - } - $crypto = new Crypt_DES(CRYPT_DES_MODE_CTR); + case class_exists('\phpseclib\Crypt\DES'): + $crypto = new DES(Base::MODE_CTR); break; - case phpseclib_resolve_include_path('Crypt/RC4.php'): - if (!class_exists('Crypt_RC4')) { - include_once 'RC4.php'; - } - $crypto = new Crypt_RC4(); + case class_exists('\phpseclib\Crypt\RC4'): + $crypto = new RC4(); break; default: - user_error('crypt_random_string requires at least one symmetric cipher be loaded'); + user_error(__CLASS__ . ' requires at least one symmetric cipher be loaded'); return false; } @@ -261,40 +234,37 @@ if (!function_exists('crypt_random_string')) { } } -if (!function_exists('phpseclib_resolve_include_path')) { +if (!function_exists('phpseclib_safe_serialize')) { /** - * Resolve filename against the include path. + * Safely serialize variables * - * Wrapper around stream_resolve_include_path() (which was introduced in - * PHP 5.3.2) with fallback implementation for earlier PHP versions. + * If a class has a private __sleep() method it'll give a fatal error on PHP 5.2 and earlier. + * PHP 5.3 will emit a warning. * - * @param string $filename - * @return mixed Filename (string) on success, false otherwise. + * @param mixed $arr * @access public */ - function phpseclib_resolve_include_path($filename) + function phpseclib_safe_serialize(&$arr) { - if (function_exists('stream_resolve_include_path')) { - return stream_resolve_include_path($filename); + if (is_object($arr)) { + return ''; } - - // handle non-relative paths - if (file_exists($filename)) { - return realpath($filename); + if (!is_array($arr)) { + return serialize($arr); } - - $paths = PATH_SEPARATOR == ':' ? - preg_split('#(? * setKey('abcdefghijklmnop'); * @@ -44,134 +44,37 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Rijndael + * @package Rijndael * @author Jim Wigginton * @copyright 2008 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} - -/**#@+ - * @access public - * @see Crypt_Rijndael::encrypt() - * @see Crypt_Rijndael::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_RIJNDAEL_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_RIJNDAEL_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_RIJNDAEL_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_RIJNDAEL_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_RIJNDAEL_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_RIJNDAEL_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_RIJNDAEL_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of Rijndael. * - * @package Crypt_Rijndael + * @package Rijndael * @author Jim Wigginton * @access public */ -class Crypt_Rijndael extends Crypt_Base +class Rijndael extends Base { - /** - * The default password key_size used by setPassword() - * - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() - * @var Integer - * @access private - */ - var $password_key_size = 16; - - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'RIJNDAEL'; - /** * The mcrypt specific name of the cipher * - * Mcrypt is useable for 128/192/256-bit $block_size/$key_size. For 160/224 not. - * Crypt_Rijndael determines automatically whether mcrypt is useable - * or not for the current $block_size/$key_size. + * Mcrypt is useable for 128/192/256-bit $block_size/$key_length. For 160/224 not. + * \phpseclib\Crypt\Rijndael determines automatically whether mcrypt is useable + * or not for the current $block_size/$key_length. * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly. * - * @see Crypt_Base::cipher_name_mcrypt - * @see Crypt_Base::engine - * @see _setupEngine() - * @var String + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @see \phpseclib\Crypt\Base::engine + * @see self::isValidEngine() + * @var string * @access private */ var $cipher_name_mcrypt = 'rijndael-128'; @@ -179,27 +82,18 @@ class Crypt_Rijndael extends Crypt_Base /** * The default salt used by setPassword() * - * @see Crypt_Base::password_default_salt - * @see Crypt_Base::setPassword() - * @var String + * @see \phpseclib\Crypt\Base::password_default_salt + * @see \phpseclib\Crypt\Base::setPassword() + * @var string * @access private */ var $password_default_salt = 'phpseclib'; - /** - * Has the key length explicitly been set or should it be derived from the key, itself? - * - * @see setKeyLength() - * @var Boolean - * @access private - */ - var $explicit_key_length = false; - /** * The Key Schedule * - * @see _setup() - * @var Array + * @see self::_setup() + * @var array * @access private */ var $w; @@ -207,8 +101,8 @@ class Crypt_Rijndael extends Crypt_Base /** * The Inverse Key Schedule * - * @see _setup() - * @var Array + * @see self::_setup() + * @var array * @access private */ var $dw; @@ -216,35 +110,34 @@ class Crypt_Rijndael extends Crypt_Base /** * The Block Length divided by 32 * - * @see setBlockLength() - * @var Integer + * @see self::setBlockLength() + * @var int * @access private * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4. Exists in conjunction with $block_size * because the encryption / decryption / key schedule creation requires this number and not $block_size. We could * derive this from $block_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu * of that, we'll just precompute it once. - * */ var $Nb = 4; /** - * The Key Length + * The Key Length (in bytes) * - * @see setKeyLength() - * @var Integer + * @see self::setKeyLength() + * @var int * @access private * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk - * because the encryption / decryption / key schedule creation requires this number and not $key_size. We could - * derive this from $key_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu + * because the encryption / decryption / key schedule creation requires this number and not $key_length. We could + * derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu * of that, we'll just precompute it once. */ - var $key_size = 16; + var $key_length = 16; /** * The Key Length divided by 32 * - * @see setKeyLength() - * @var Integer + * @see self::setKeyLength() + * @var int * @access private * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4 */ @@ -253,7 +146,7 @@ class Crypt_Rijndael extends Crypt_Base /** * The Number of Rounds * - * @var Integer + * @var int * @access private * @internal The max value is 14, the min value is 10. */ @@ -262,7 +155,7 @@ class Crypt_Rijndael extends Crypt_Base /** * Shift offsets * - * @var Array + * @var array * @access private */ var $c; @@ -270,456 +163,13 @@ class Crypt_Rijndael extends Crypt_Base /** * Holds the last used key- and block_size information * - * @var Array + * @var array * @access private */ var $kl; /** - * Precomputed mixColumns table - * - * According to (section 5.2.1), - * precomputed tables can be used in the mixColumns phase. in that example, they're assigned t0...t3, so - * those are the names we'll use. - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t0 = array( - 0xC66363A5, 0xF87C7C84, 0xEE777799, 0xF67B7B8D, 0xFFF2F20D, 0xD66B6BBD, 0xDE6F6FB1, 0x91C5C554, - 0x60303050, 0x02010103, 0xCE6767A9, 0x562B2B7D, 0xE7FEFE19, 0xB5D7D762, 0x4DABABE6, 0xEC76769A, - 0x8FCACA45, 0x1F82829D, 0x89C9C940, 0xFA7D7D87, 0xEFFAFA15, 0xB25959EB, 0x8E4747C9, 0xFBF0F00B, - 0x41ADADEC, 0xB3D4D467, 0x5FA2A2FD, 0x45AFAFEA, 0x239C9CBF, 0x53A4A4F7, 0xE4727296, 0x9BC0C05B, - 0x75B7B7C2, 0xE1FDFD1C, 0x3D9393AE, 0x4C26266A, 0x6C36365A, 0x7E3F3F41, 0xF5F7F702, 0x83CCCC4F, - 0x6834345C, 0x51A5A5F4, 0xD1E5E534, 0xF9F1F108, 0xE2717193, 0xABD8D873, 0x62313153, 0x2A15153F, - 0x0804040C, 0x95C7C752, 0x46232365, 0x9DC3C35E, 0x30181828, 0x379696A1, 0x0A05050F, 0x2F9A9AB5, - 0x0E070709, 0x24121236, 0x1B80809B, 0xDFE2E23D, 0xCDEBEB26, 0x4E272769, 0x7FB2B2CD, 0xEA75759F, - 0x1209091B, 0x1D83839E, 0x582C2C74, 0x341A1A2E, 0x361B1B2D, 0xDC6E6EB2, 0xB45A5AEE, 0x5BA0A0FB, - 0xA45252F6, 0x763B3B4D, 0xB7D6D661, 0x7DB3B3CE, 0x5229297B, 0xDDE3E33E, 0x5E2F2F71, 0x13848497, - 0xA65353F5, 0xB9D1D168, 0x00000000, 0xC1EDED2C, 0x40202060, 0xE3FCFC1F, 0x79B1B1C8, 0xB65B5BED, - 0xD46A6ABE, 0x8DCBCB46, 0x67BEBED9, 0x7239394B, 0x944A4ADE, 0x984C4CD4, 0xB05858E8, 0x85CFCF4A, - 0xBBD0D06B, 0xC5EFEF2A, 0x4FAAAAE5, 0xEDFBFB16, 0x864343C5, 0x9A4D4DD7, 0x66333355, 0x11858594, - 0x8A4545CF, 0xE9F9F910, 0x04020206, 0xFE7F7F81, 0xA05050F0, 0x783C3C44, 0x259F9FBA, 0x4BA8A8E3, - 0xA25151F3, 0x5DA3A3FE, 0x804040C0, 0x058F8F8A, 0x3F9292AD, 0x219D9DBC, 0x70383848, 0xF1F5F504, - 0x63BCBCDF, 0x77B6B6C1, 0xAFDADA75, 0x42212163, 0x20101030, 0xE5FFFF1A, 0xFDF3F30E, 0xBFD2D26D, - 0x81CDCD4C, 0x180C0C14, 0x26131335, 0xC3ECEC2F, 0xBE5F5FE1, 0x359797A2, 0x884444CC, 0x2E171739, - 0x93C4C457, 0x55A7A7F2, 0xFC7E7E82, 0x7A3D3D47, 0xC86464AC, 0xBA5D5DE7, 0x3219192B, 0xE6737395, - 0xC06060A0, 0x19818198, 0x9E4F4FD1, 0xA3DCDC7F, 0x44222266, 0x542A2A7E, 0x3B9090AB, 0x0B888883, - 0x8C4646CA, 0xC7EEEE29, 0x6BB8B8D3, 0x2814143C, 0xA7DEDE79, 0xBC5E5EE2, 0x160B0B1D, 0xADDBDB76, - 0xDBE0E03B, 0x64323256, 0x743A3A4E, 0x140A0A1E, 0x924949DB, 0x0C06060A, 0x4824246C, 0xB85C5CE4, - 0x9FC2C25D, 0xBDD3D36E, 0x43ACACEF, 0xC46262A6, 0x399191A8, 0x319595A4, 0xD3E4E437, 0xF279798B, - 0xD5E7E732, 0x8BC8C843, 0x6E373759, 0xDA6D6DB7, 0x018D8D8C, 0xB1D5D564, 0x9C4E4ED2, 0x49A9A9E0, - 0xD86C6CB4, 0xAC5656FA, 0xF3F4F407, 0xCFEAEA25, 0xCA6565AF, 0xF47A7A8E, 0x47AEAEE9, 0x10080818, - 0x6FBABAD5, 0xF0787888, 0x4A25256F, 0x5C2E2E72, 0x381C1C24, 0x57A6A6F1, 0x73B4B4C7, 0x97C6C651, - 0xCBE8E823, 0xA1DDDD7C, 0xE874749C, 0x3E1F1F21, 0x964B4BDD, 0x61BDBDDC, 0x0D8B8B86, 0x0F8A8A85, - 0xE0707090, 0x7C3E3E42, 0x71B5B5C4, 0xCC6666AA, 0x904848D8, 0x06030305, 0xF7F6F601, 0x1C0E0E12, - 0xC26161A3, 0x6A35355F, 0xAE5757F9, 0x69B9B9D0, 0x17868691, 0x99C1C158, 0x3A1D1D27, 0x279E9EB9, - 0xD9E1E138, 0xEBF8F813, 0x2B9898B3, 0x22111133, 0xD26969BB, 0xA9D9D970, 0x078E8E89, 0x339494A7, - 0x2D9B9BB6, 0x3C1E1E22, 0x15878792, 0xC9E9E920, 0x87CECE49, 0xAA5555FF, 0x50282878, 0xA5DFDF7A, - 0x038C8C8F, 0x59A1A1F8, 0x09898980, 0x1A0D0D17, 0x65BFBFDA, 0xD7E6E631, 0x844242C6, 0xD06868B8, - 0x824141C3, 0x299999B0, 0x5A2D2D77, 0x1E0F0F11, 0x7BB0B0CB, 0xA85454FC, 0x6DBBBBD6, 0x2C16163A - ); - - /** - * Precomputed mixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t1 = array( - 0xA5C66363, 0x84F87C7C, 0x99EE7777, 0x8DF67B7B, 0x0DFFF2F2, 0xBDD66B6B, 0xB1DE6F6F, 0x5491C5C5, - 0x50603030, 0x03020101, 0xA9CE6767, 0x7D562B2B, 0x19E7FEFE, 0x62B5D7D7, 0xE64DABAB, 0x9AEC7676, - 0x458FCACA, 0x9D1F8282, 0x4089C9C9, 0x87FA7D7D, 0x15EFFAFA, 0xEBB25959, 0xC98E4747, 0x0BFBF0F0, - 0xEC41ADAD, 0x67B3D4D4, 0xFD5FA2A2, 0xEA45AFAF, 0xBF239C9C, 0xF753A4A4, 0x96E47272, 0x5B9BC0C0, - 0xC275B7B7, 0x1CE1FDFD, 0xAE3D9393, 0x6A4C2626, 0x5A6C3636, 0x417E3F3F, 0x02F5F7F7, 0x4F83CCCC, - 0x5C683434, 0xF451A5A5, 0x34D1E5E5, 0x08F9F1F1, 0x93E27171, 0x73ABD8D8, 0x53623131, 0x3F2A1515, - 0x0C080404, 0x5295C7C7, 0x65462323, 0x5E9DC3C3, 0x28301818, 0xA1379696, 0x0F0A0505, 0xB52F9A9A, - 0x090E0707, 0x36241212, 0x9B1B8080, 0x3DDFE2E2, 0x26CDEBEB, 0x694E2727, 0xCD7FB2B2, 0x9FEA7575, - 0x1B120909, 0x9E1D8383, 0x74582C2C, 0x2E341A1A, 0x2D361B1B, 0xB2DC6E6E, 0xEEB45A5A, 0xFB5BA0A0, - 0xF6A45252, 0x4D763B3B, 0x61B7D6D6, 0xCE7DB3B3, 0x7B522929, 0x3EDDE3E3, 0x715E2F2F, 0x97138484, - 0xF5A65353, 0x68B9D1D1, 0x00000000, 0x2CC1EDED, 0x60402020, 0x1FE3FCFC, 0xC879B1B1, 0xEDB65B5B, - 0xBED46A6A, 0x468DCBCB, 0xD967BEBE, 0x4B723939, 0xDE944A4A, 0xD4984C4C, 0xE8B05858, 0x4A85CFCF, - 0x6BBBD0D0, 0x2AC5EFEF, 0xE54FAAAA, 0x16EDFBFB, 0xC5864343, 0xD79A4D4D, 0x55663333, 0x94118585, - 0xCF8A4545, 0x10E9F9F9, 0x06040202, 0x81FE7F7F, 0xF0A05050, 0x44783C3C, 0xBA259F9F, 0xE34BA8A8, - 0xF3A25151, 0xFE5DA3A3, 0xC0804040, 0x8A058F8F, 0xAD3F9292, 0xBC219D9D, 0x48703838, 0x04F1F5F5, - 0xDF63BCBC, 0xC177B6B6, 0x75AFDADA, 0x63422121, 0x30201010, 0x1AE5FFFF, 0x0EFDF3F3, 0x6DBFD2D2, - 0x4C81CDCD, 0x14180C0C, 0x35261313, 0x2FC3ECEC, 0xE1BE5F5F, 0xA2359797, 0xCC884444, 0x392E1717, - 0x5793C4C4, 0xF255A7A7, 0x82FC7E7E, 0x477A3D3D, 0xACC86464, 0xE7BA5D5D, 0x2B321919, 0x95E67373, - 0xA0C06060, 0x98198181, 0xD19E4F4F, 0x7FA3DCDC, 0x66442222, 0x7E542A2A, 0xAB3B9090, 0x830B8888, - 0xCA8C4646, 0x29C7EEEE, 0xD36BB8B8, 0x3C281414, 0x79A7DEDE, 0xE2BC5E5E, 0x1D160B0B, 0x76ADDBDB, - 0x3BDBE0E0, 0x56643232, 0x4E743A3A, 0x1E140A0A, 0xDB924949, 0x0A0C0606, 0x6C482424, 0xE4B85C5C, - 0x5D9FC2C2, 0x6EBDD3D3, 0xEF43ACAC, 0xA6C46262, 0xA8399191, 0xA4319595, 0x37D3E4E4, 0x8BF27979, - 0x32D5E7E7, 0x438BC8C8, 0x596E3737, 0xB7DA6D6D, 0x8C018D8D, 0x64B1D5D5, 0xD29C4E4E, 0xE049A9A9, - 0xB4D86C6C, 0xFAAC5656, 0x07F3F4F4, 0x25CFEAEA, 0xAFCA6565, 0x8EF47A7A, 0xE947AEAE, 0x18100808, - 0xD56FBABA, 0x88F07878, 0x6F4A2525, 0x725C2E2E, 0x24381C1C, 0xF157A6A6, 0xC773B4B4, 0x5197C6C6, - 0x23CBE8E8, 0x7CA1DDDD, 0x9CE87474, 0x213E1F1F, 0xDD964B4B, 0xDC61BDBD, 0x860D8B8B, 0x850F8A8A, - 0x90E07070, 0x427C3E3E, 0xC471B5B5, 0xAACC6666, 0xD8904848, 0x05060303, 0x01F7F6F6, 0x121C0E0E, - 0xA3C26161, 0x5F6A3535, 0xF9AE5757, 0xD069B9B9, 0x91178686, 0x5899C1C1, 0x273A1D1D, 0xB9279E9E, - 0x38D9E1E1, 0x13EBF8F8, 0xB32B9898, 0x33221111, 0xBBD26969, 0x70A9D9D9, 0x89078E8E, 0xA7339494, - 0xB62D9B9B, 0x223C1E1E, 0x92158787, 0x20C9E9E9, 0x4987CECE, 0xFFAA5555, 0x78502828, 0x7AA5DFDF, - 0x8F038C8C, 0xF859A1A1, 0x80098989, 0x171A0D0D, 0xDA65BFBF, 0x31D7E6E6, 0xC6844242, 0xB8D06868, - 0xC3824141, 0xB0299999, 0x775A2D2D, 0x111E0F0F, 0xCB7BB0B0, 0xFCA85454, 0xD66DBBBB, 0x3A2C1616 - ); - - /** - * Precomputed mixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t2 = array( - 0x63A5C663, 0x7C84F87C, 0x7799EE77, 0x7B8DF67B, 0xF20DFFF2, 0x6BBDD66B, 0x6FB1DE6F, 0xC55491C5, - 0x30506030, 0x01030201, 0x67A9CE67, 0x2B7D562B, 0xFE19E7FE, 0xD762B5D7, 0xABE64DAB, 0x769AEC76, - 0xCA458FCA, 0x829D1F82, 0xC94089C9, 0x7D87FA7D, 0xFA15EFFA, 0x59EBB259, 0x47C98E47, 0xF00BFBF0, - 0xADEC41AD, 0xD467B3D4, 0xA2FD5FA2, 0xAFEA45AF, 0x9CBF239C, 0xA4F753A4, 0x7296E472, 0xC05B9BC0, - 0xB7C275B7, 0xFD1CE1FD, 0x93AE3D93, 0x266A4C26, 0x365A6C36, 0x3F417E3F, 0xF702F5F7, 0xCC4F83CC, - 0x345C6834, 0xA5F451A5, 0xE534D1E5, 0xF108F9F1, 0x7193E271, 0xD873ABD8, 0x31536231, 0x153F2A15, - 0x040C0804, 0xC75295C7, 0x23654623, 0xC35E9DC3, 0x18283018, 0x96A13796, 0x050F0A05, 0x9AB52F9A, - 0x07090E07, 0x12362412, 0x809B1B80, 0xE23DDFE2, 0xEB26CDEB, 0x27694E27, 0xB2CD7FB2, 0x759FEA75, - 0x091B1209, 0x839E1D83, 0x2C74582C, 0x1A2E341A, 0x1B2D361B, 0x6EB2DC6E, 0x5AEEB45A, 0xA0FB5BA0, - 0x52F6A452, 0x3B4D763B, 0xD661B7D6, 0xB3CE7DB3, 0x297B5229, 0xE33EDDE3, 0x2F715E2F, 0x84971384, - 0x53F5A653, 0xD168B9D1, 0x00000000, 0xED2CC1ED, 0x20604020, 0xFC1FE3FC, 0xB1C879B1, 0x5BEDB65B, - 0x6ABED46A, 0xCB468DCB, 0xBED967BE, 0x394B7239, 0x4ADE944A, 0x4CD4984C, 0x58E8B058, 0xCF4A85CF, - 0xD06BBBD0, 0xEF2AC5EF, 0xAAE54FAA, 0xFB16EDFB, 0x43C58643, 0x4DD79A4D, 0x33556633, 0x85941185, - 0x45CF8A45, 0xF910E9F9, 0x02060402, 0x7F81FE7F, 0x50F0A050, 0x3C44783C, 0x9FBA259F, 0xA8E34BA8, - 0x51F3A251, 0xA3FE5DA3, 0x40C08040, 0x8F8A058F, 0x92AD3F92, 0x9DBC219D, 0x38487038, 0xF504F1F5, - 0xBCDF63BC, 0xB6C177B6, 0xDA75AFDA, 0x21634221, 0x10302010, 0xFF1AE5FF, 0xF30EFDF3, 0xD26DBFD2, - 0xCD4C81CD, 0x0C14180C, 0x13352613, 0xEC2FC3EC, 0x5FE1BE5F, 0x97A23597, 0x44CC8844, 0x17392E17, - 0xC45793C4, 0xA7F255A7, 0x7E82FC7E, 0x3D477A3D, 0x64ACC864, 0x5DE7BA5D, 0x192B3219, 0x7395E673, - 0x60A0C060, 0x81981981, 0x4FD19E4F, 0xDC7FA3DC, 0x22664422, 0x2A7E542A, 0x90AB3B90, 0x88830B88, - 0x46CA8C46, 0xEE29C7EE, 0xB8D36BB8, 0x143C2814, 0xDE79A7DE, 0x5EE2BC5E, 0x0B1D160B, 0xDB76ADDB, - 0xE03BDBE0, 0x32566432, 0x3A4E743A, 0x0A1E140A, 0x49DB9249, 0x060A0C06, 0x246C4824, 0x5CE4B85C, - 0xC25D9FC2, 0xD36EBDD3, 0xACEF43AC, 0x62A6C462, 0x91A83991, 0x95A43195, 0xE437D3E4, 0x798BF279, - 0xE732D5E7, 0xC8438BC8, 0x37596E37, 0x6DB7DA6D, 0x8D8C018D, 0xD564B1D5, 0x4ED29C4E, 0xA9E049A9, - 0x6CB4D86C, 0x56FAAC56, 0xF407F3F4, 0xEA25CFEA, 0x65AFCA65, 0x7A8EF47A, 0xAEE947AE, 0x08181008, - 0xBAD56FBA, 0x7888F078, 0x256F4A25, 0x2E725C2E, 0x1C24381C, 0xA6F157A6, 0xB4C773B4, 0xC65197C6, - 0xE823CBE8, 0xDD7CA1DD, 0x749CE874, 0x1F213E1F, 0x4BDD964B, 0xBDDC61BD, 0x8B860D8B, 0x8A850F8A, - 0x7090E070, 0x3E427C3E, 0xB5C471B5, 0x66AACC66, 0x48D89048, 0x03050603, 0xF601F7F6, 0x0E121C0E, - 0x61A3C261, 0x355F6A35, 0x57F9AE57, 0xB9D069B9, 0x86911786, 0xC15899C1, 0x1D273A1D, 0x9EB9279E, - 0xE138D9E1, 0xF813EBF8, 0x98B32B98, 0x11332211, 0x69BBD269, 0xD970A9D9, 0x8E89078E, 0x94A73394, - 0x9BB62D9B, 0x1E223C1E, 0x87921587, 0xE920C9E9, 0xCE4987CE, 0x55FFAA55, 0x28785028, 0xDF7AA5DF, - 0x8C8F038C, 0xA1F859A1, 0x89800989, 0x0D171A0D, 0xBFDA65BF, 0xE631D7E6, 0x42C68442, 0x68B8D068, - 0x41C38241, 0x99B02999, 0x2D775A2D, 0x0F111E0F, 0xB0CB7BB0, 0x54FCA854, 0xBBD66DBB, 0x163A2C16 - ); - - /** - * Precomputed mixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t3 = array( - 0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491, - 0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC, - 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB, - 0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B, - 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83, - 0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A, - 0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F, - 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA, - 0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B, - 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713, - 0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6, - 0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85, - 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411, - 0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B, - 0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1, - 0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF, - 0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E, - 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6, - 0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B, - 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD, - 0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8, - 0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2, - 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049, - 0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810, - 0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197, - 0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F, - 0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C, - 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927, - 0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733, - 0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5, - 0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0, - 0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt0 = array( - 0x51F4A750, 0x7E416553, 0x1A17A4C3, 0x3A275E96, 0x3BAB6BCB, 0x1F9D45F1, 0xACFA58AB, 0x4BE30393, - 0x2030FA55, 0xAD766DF6, 0x88CC7691, 0xF5024C25, 0x4FE5D7FC, 0xC52ACBD7, 0x26354480, 0xB562A38F, - 0xDEB15A49, 0x25BA1B67, 0x45EA0E98, 0x5DFEC0E1, 0xC32F7502, 0x814CF012, 0x8D4697A3, 0x6BD3F9C6, - 0x038F5FE7, 0x15929C95, 0xBF6D7AEB, 0x955259DA, 0xD4BE832D, 0x587421D3, 0x49E06929, 0x8EC9C844, - 0x75C2896A, 0xF48E7978, 0x99583E6B, 0x27B971DD, 0xBEE14FB6, 0xF088AD17, 0xC920AC66, 0x7DCE3AB4, - 0x63DF4A18, 0xE51A3182, 0x97513360, 0x62537F45, 0xB16477E0, 0xBB6BAE84, 0xFE81A01C, 0xF9082B94, - 0x70486858, 0x8F45FD19, 0x94DE6C87, 0x527BF8B7, 0xAB73D323, 0x724B02E2, 0xE31F8F57, 0x6655AB2A, - 0xB2EB2807, 0x2FB5C203, 0x86C57B9A, 0xD33708A5, 0x302887F2, 0x23BFA5B2, 0x02036ABA, 0xED16825C, - 0x8ACF1C2B, 0xA779B492, 0xF307F2F0, 0x4E69E2A1, 0x65DAF4CD, 0x0605BED5, 0xD134621F, 0xC4A6FE8A, - 0x342E539D, 0xA2F355A0, 0x058AE132, 0xA4F6EB75, 0x0B83EC39, 0x4060EFAA, 0x5E719F06, 0xBD6E1051, - 0x3E218AF9, 0x96DD063D, 0xDD3E05AE, 0x4DE6BD46, 0x91548DB5, 0x71C45D05, 0x0406D46F, 0x605015FF, - 0x1998FB24, 0xD6BDE997, 0x894043CC, 0x67D99E77, 0xB0E842BD, 0x07898B88, 0xE7195B38, 0x79C8EEDB, - 0xA17C0A47, 0x7C420FE9, 0xF8841EC9, 0x00000000, 0x09808683, 0x322BED48, 0x1E1170AC, 0x6C5A724E, - 0xFD0EFFFB, 0x0F853856, 0x3DAED51E, 0x362D3927, 0x0A0FD964, 0x685CA621, 0x9B5B54D1, 0x24362E3A, - 0x0C0A67B1, 0x9357E70F, 0xB4EE96D2, 0x1B9B919E, 0x80C0C54F, 0x61DC20A2, 0x5A774B69, 0x1C121A16, - 0xE293BA0A, 0xC0A02AE5, 0x3C22E043, 0x121B171D, 0x0E090D0B, 0xF28BC7AD, 0x2DB6A8B9, 0x141EA9C8, - 0x57F11985, 0xAF75074C, 0xEE99DDBB, 0xA37F60FD, 0xF701269F, 0x5C72F5BC, 0x44663BC5, 0x5BFB7E34, - 0x8B432976, 0xCB23C6DC, 0xB6EDFC68, 0xB8E4F163, 0xD731DCCA, 0x42638510, 0x13972240, 0x84C61120, - 0x854A247D, 0xD2BB3DF8, 0xAEF93211, 0xC729A16D, 0x1D9E2F4B, 0xDCB230F3, 0x0D8652EC, 0x77C1E3D0, - 0x2BB3166C, 0xA970B999, 0x119448FA, 0x47E96422, 0xA8FC8CC4, 0xA0F03F1A, 0x567D2CD8, 0x223390EF, - 0x87494EC7, 0xD938D1C1, 0x8CCAA2FE, 0x98D40B36, 0xA6F581CF, 0xA57ADE28, 0xDAB78E26, 0x3FADBFA4, - 0x2C3A9DE4, 0x5078920D, 0x6A5FCC9B, 0x547E4662, 0xF68D13C2, 0x90D8B8E8, 0x2E39F75E, 0x82C3AFF5, - 0x9F5D80BE, 0x69D0937C, 0x6FD52DA9, 0xCF2512B3, 0xC8AC993B, 0x10187DA7, 0xE89C636E, 0xDB3BBB7B, - 0xCD267809, 0x6E5918F4, 0xEC9AB701, 0x834F9AA8, 0xE6956E65, 0xAAFFE67E, 0x21BCCF08, 0xEF15E8E6, - 0xBAE79BD9, 0x4A6F36CE, 0xEA9F09D4, 0x29B07CD6, 0x31A4B2AF, 0x2A3F2331, 0xC6A59430, 0x35A266C0, - 0x744EBC37, 0xFC82CAA6, 0xE090D0B0, 0x33A7D815, 0xF104984A, 0x41ECDAF7, 0x7FCD500E, 0x1791F62F, - 0x764DD68D, 0x43EFB04D, 0xCCAA4D54, 0xE49604DF, 0x9ED1B5E3, 0x4C6A881B, 0xC12C1FB8, 0x4665517F, - 0x9D5EEA04, 0x018C355D, 0xFA877473, 0xFB0B412E, 0xB3671D5A, 0x92DBD252, 0xE9105633, 0x6DD64713, - 0x9AD7618C, 0x37A10C7A, 0x59F8148E, 0xEB133C89, 0xCEA927EE, 0xB761C935, 0xE11CE5ED, 0x7A47B13C, - 0x9CD2DF59, 0x55F2733F, 0x1814CE79, 0x73C737BF, 0x53F7CDEA, 0x5FFDAA5B, 0xDF3D6F14, 0x7844DB86, - 0xCAAFF381, 0xB968C43E, 0x3824342C, 0xC2A3405F, 0x161DC372, 0xBCE2250C, 0x283C498B, 0xFF0D9541, - 0x39A80171, 0x080CB3DE, 0xD8B4E49C, 0x6456C190, 0x7BCB8461, 0xD532B670, 0x486C5C74, 0xD0B85742 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt1 = array( - 0x5051F4A7, 0x537E4165, 0xC31A17A4, 0x963A275E, 0xCB3BAB6B, 0xF11F9D45, 0xABACFA58, 0x934BE303, - 0x552030FA, 0xF6AD766D, 0x9188CC76, 0x25F5024C, 0xFC4FE5D7, 0xD7C52ACB, 0x80263544, 0x8FB562A3, - 0x49DEB15A, 0x6725BA1B, 0x9845EA0E, 0xE15DFEC0, 0x02C32F75, 0x12814CF0, 0xA38D4697, 0xC66BD3F9, - 0xE7038F5F, 0x9515929C, 0xEBBF6D7A, 0xDA955259, 0x2DD4BE83, 0xD3587421, 0x2949E069, 0x448EC9C8, - 0x6A75C289, 0x78F48E79, 0x6B99583E, 0xDD27B971, 0xB6BEE14F, 0x17F088AD, 0x66C920AC, 0xB47DCE3A, - 0x1863DF4A, 0x82E51A31, 0x60975133, 0x4562537F, 0xE0B16477, 0x84BB6BAE, 0x1CFE81A0, 0x94F9082B, - 0x58704868, 0x198F45FD, 0x8794DE6C, 0xB7527BF8, 0x23AB73D3, 0xE2724B02, 0x57E31F8F, 0x2A6655AB, - 0x07B2EB28, 0x032FB5C2, 0x9A86C57B, 0xA5D33708, 0xF2302887, 0xB223BFA5, 0xBA02036A, 0x5CED1682, - 0x2B8ACF1C, 0x92A779B4, 0xF0F307F2, 0xA14E69E2, 0xCD65DAF4, 0xD50605BE, 0x1FD13462, 0x8AC4A6FE, - 0x9D342E53, 0xA0A2F355, 0x32058AE1, 0x75A4F6EB, 0x390B83EC, 0xAA4060EF, 0x065E719F, 0x51BD6E10, - 0xF93E218A, 0x3D96DD06, 0xAEDD3E05, 0x464DE6BD, 0xB591548D, 0x0571C45D, 0x6F0406D4, 0xFF605015, - 0x241998FB, 0x97D6BDE9, 0xCC894043, 0x7767D99E, 0xBDB0E842, 0x8807898B, 0x38E7195B, 0xDB79C8EE, - 0x47A17C0A, 0xE97C420F, 0xC9F8841E, 0x00000000, 0x83098086, 0x48322BED, 0xAC1E1170, 0x4E6C5A72, - 0xFBFD0EFF, 0x560F8538, 0x1E3DAED5, 0x27362D39, 0x640A0FD9, 0x21685CA6, 0xD19B5B54, 0x3A24362E, - 0xB10C0A67, 0x0F9357E7, 0xD2B4EE96, 0x9E1B9B91, 0x4F80C0C5, 0xA261DC20, 0x695A774B, 0x161C121A, - 0x0AE293BA, 0xE5C0A02A, 0x433C22E0, 0x1D121B17, 0x0B0E090D, 0xADF28BC7, 0xB92DB6A8, 0xC8141EA9, - 0x8557F119, 0x4CAF7507, 0xBBEE99DD, 0xFDA37F60, 0x9FF70126, 0xBC5C72F5, 0xC544663B, 0x345BFB7E, - 0x768B4329, 0xDCCB23C6, 0x68B6EDFC, 0x63B8E4F1, 0xCAD731DC, 0x10426385, 0x40139722, 0x2084C611, - 0x7D854A24, 0xF8D2BB3D, 0x11AEF932, 0x6DC729A1, 0x4B1D9E2F, 0xF3DCB230, 0xEC0D8652, 0xD077C1E3, - 0x6C2BB316, 0x99A970B9, 0xFA119448, 0x2247E964, 0xC4A8FC8C, 0x1AA0F03F, 0xD8567D2C, 0xEF223390, - 0xC787494E, 0xC1D938D1, 0xFE8CCAA2, 0x3698D40B, 0xCFA6F581, 0x28A57ADE, 0x26DAB78E, 0xA43FADBF, - 0xE42C3A9D, 0x0D507892, 0x9B6A5FCC, 0x62547E46, 0xC2F68D13, 0xE890D8B8, 0x5E2E39F7, 0xF582C3AF, - 0xBE9F5D80, 0x7C69D093, 0xA96FD52D, 0xB3CF2512, 0x3BC8AC99, 0xA710187D, 0x6EE89C63, 0x7BDB3BBB, - 0x09CD2678, 0xF46E5918, 0x01EC9AB7, 0xA8834F9A, 0x65E6956E, 0x7EAAFFE6, 0x0821BCCF, 0xE6EF15E8, - 0xD9BAE79B, 0xCE4A6F36, 0xD4EA9F09, 0xD629B07C, 0xAF31A4B2, 0x312A3F23, 0x30C6A594, 0xC035A266, - 0x37744EBC, 0xA6FC82CA, 0xB0E090D0, 0x1533A7D8, 0x4AF10498, 0xF741ECDA, 0x0E7FCD50, 0x2F1791F6, - 0x8D764DD6, 0x4D43EFB0, 0x54CCAA4D, 0xDFE49604, 0xE39ED1B5, 0x1B4C6A88, 0xB8C12C1F, 0x7F466551, - 0x049D5EEA, 0x5D018C35, 0x73FA8774, 0x2EFB0B41, 0x5AB3671D, 0x5292DBD2, 0x33E91056, 0x136DD647, - 0x8C9AD761, 0x7A37A10C, 0x8E59F814, 0x89EB133C, 0xEECEA927, 0x35B761C9, 0xEDE11CE5, 0x3C7A47B1, - 0x599CD2DF, 0x3F55F273, 0x791814CE, 0xBF73C737, 0xEA53F7CD, 0x5B5FFDAA, 0x14DF3D6F, 0x867844DB, - 0x81CAAFF3, 0x3EB968C4, 0x2C382434, 0x5FC2A340, 0x72161DC3, 0x0CBCE225, 0x8B283C49, 0x41FF0D95, - 0x7139A801, 0xDE080CB3, 0x9CD8B4E4, 0x906456C1, 0x617BCB84, 0x70D532B6, 0x74486C5C, 0x42D0B857 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt2 = array( - 0xA75051F4, 0x65537E41, 0xA4C31A17, 0x5E963A27, 0x6BCB3BAB, 0x45F11F9D, 0x58ABACFA, 0x03934BE3, - 0xFA552030, 0x6DF6AD76, 0x769188CC, 0x4C25F502, 0xD7FC4FE5, 0xCBD7C52A, 0x44802635, 0xA38FB562, - 0x5A49DEB1, 0x1B6725BA, 0x0E9845EA, 0xC0E15DFE, 0x7502C32F, 0xF012814C, 0x97A38D46, 0xF9C66BD3, - 0x5FE7038F, 0x9C951592, 0x7AEBBF6D, 0x59DA9552, 0x832DD4BE, 0x21D35874, 0x692949E0, 0xC8448EC9, - 0x896A75C2, 0x7978F48E, 0x3E6B9958, 0x71DD27B9, 0x4FB6BEE1, 0xAD17F088, 0xAC66C920, 0x3AB47DCE, - 0x4A1863DF, 0x3182E51A, 0x33609751, 0x7F456253, 0x77E0B164, 0xAE84BB6B, 0xA01CFE81, 0x2B94F908, - 0x68587048, 0xFD198F45, 0x6C8794DE, 0xF8B7527B, 0xD323AB73, 0x02E2724B, 0x8F57E31F, 0xAB2A6655, - 0x2807B2EB, 0xC2032FB5, 0x7B9A86C5, 0x08A5D337, 0x87F23028, 0xA5B223BF, 0x6ABA0203, 0x825CED16, - 0x1C2B8ACF, 0xB492A779, 0xF2F0F307, 0xE2A14E69, 0xF4CD65DA, 0xBED50605, 0x621FD134, 0xFE8AC4A6, - 0x539D342E, 0x55A0A2F3, 0xE132058A, 0xEB75A4F6, 0xEC390B83, 0xEFAA4060, 0x9F065E71, 0x1051BD6E, - 0x8AF93E21, 0x063D96DD, 0x05AEDD3E, 0xBD464DE6, 0x8DB59154, 0x5D0571C4, 0xD46F0406, 0x15FF6050, - 0xFB241998, 0xE997D6BD, 0x43CC8940, 0x9E7767D9, 0x42BDB0E8, 0x8B880789, 0x5B38E719, 0xEEDB79C8, - 0x0A47A17C, 0x0FE97C42, 0x1EC9F884, 0x00000000, 0x86830980, 0xED48322B, 0x70AC1E11, 0x724E6C5A, - 0xFFFBFD0E, 0x38560F85, 0xD51E3DAE, 0x3927362D, 0xD9640A0F, 0xA621685C, 0x54D19B5B, 0x2E3A2436, - 0x67B10C0A, 0xE70F9357, 0x96D2B4EE, 0x919E1B9B, 0xC54F80C0, 0x20A261DC, 0x4B695A77, 0x1A161C12, - 0xBA0AE293, 0x2AE5C0A0, 0xE0433C22, 0x171D121B, 0x0D0B0E09, 0xC7ADF28B, 0xA8B92DB6, 0xA9C8141E, - 0x198557F1, 0x074CAF75, 0xDDBBEE99, 0x60FDA37F, 0x269FF701, 0xF5BC5C72, 0x3BC54466, 0x7E345BFB, - 0x29768B43, 0xC6DCCB23, 0xFC68B6ED, 0xF163B8E4, 0xDCCAD731, 0x85104263, 0x22401397, 0x112084C6, - 0x247D854A, 0x3DF8D2BB, 0x3211AEF9, 0xA16DC729, 0x2F4B1D9E, 0x30F3DCB2, 0x52EC0D86, 0xE3D077C1, - 0x166C2BB3, 0xB999A970, 0x48FA1194, 0x642247E9, 0x8CC4A8FC, 0x3F1AA0F0, 0x2CD8567D, 0x90EF2233, - 0x4EC78749, 0xD1C1D938, 0xA2FE8CCA, 0x0B3698D4, 0x81CFA6F5, 0xDE28A57A, 0x8E26DAB7, 0xBFA43FAD, - 0x9DE42C3A, 0x920D5078, 0xCC9B6A5F, 0x4662547E, 0x13C2F68D, 0xB8E890D8, 0xF75E2E39, 0xAFF582C3, - 0x80BE9F5D, 0x937C69D0, 0x2DA96FD5, 0x12B3CF25, 0x993BC8AC, 0x7DA71018, 0x636EE89C, 0xBB7BDB3B, - 0x7809CD26, 0x18F46E59, 0xB701EC9A, 0x9AA8834F, 0x6E65E695, 0xE67EAAFF, 0xCF0821BC, 0xE8E6EF15, - 0x9BD9BAE7, 0x36CE4A6F, 0x09D4EA9F, 0x7CD629B0, 0xB2AF31A4, 0x23312A3F, 0x9430C6A5, 0x66C035A2, - 0xBC37744E, 0xCAA6FC82, 0xD0B0E090, 0xD81533A7, 0x984AF104, 0xDAF741EC, 0x500E7FCD, 0xF62F1791, - 0xD68D764D, 0xB04D43EF, 0x4D54CCAA, 0x04DFE496, 0xB5E39ED1, 0x881B4C6A, 0x1FB8C12C, 0x517F4665, - 0xEA049D5E, 0x355D018C, 0x7473FA87, 0x412EFB0B, 0x1D5AB367, 0xD25292DB, 0x5633E910, 0x47136DD6, - 0x618C9AD7, 0x0C7A37A1, 0x148E59F8, 0x3C89EB13, 0x27EECEA9, 0xC935B761, 0xE5EDE11C, 0xB13C7A47, - 0xDF599CD2, 0x733F55F2, 0xCE791814, 0x37BF73C7, 0xCDEA53F7, 0xAA5B5FFD, 0x6F14DF3D, 0xDB867844, - 0xF381CAAF, 0xC43EB968, 0x342C3824, 0x405FC2A3, 0xC372161D, 0x250CBCE2, 0x498B283C, 0x9541FF0D, - 0x017139A8, 0xB3DE080C, 0xE49CD8B4, 0xC1906456, 0x84617BCB, 0xB670D532, 0x5C74486C, 0x5742D0B8 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt3 = array( - 0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B, - 0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5, - 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B, - 0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E, - 0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D, - 0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9, - 0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66, - 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED, - 0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4, - 0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD, - 0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60, - 0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79, - 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C, - 0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24, - 0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C, - 0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814, - 0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B, - 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084, - 0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077, - 0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22, - 0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F, - 0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582, - 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB, - 0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF, - 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035, - 0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17, - 0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46, - 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D, - 0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A, - 0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678, - 0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF, - 0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0 - ); - - /** - * The SubByte S-Box - * - * @see Crypt_Rijndael::_encryptBlock() - * @var Array - * @access private - */ - var $sbox = array( - 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, - 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, - 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, - 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, - 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, - 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, - 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, - 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, - 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, - 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, - 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, - 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, - 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, - 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, - 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, - 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 - ); - - /** - * The inverse SubByte S-Box - * - * @see Crypt_Rijndael::_decryptBlock() - * @var Array - * @access private - */ - var $isbox = array( - 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, - 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, - 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, - 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, - 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, - 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, - 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, - 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, - 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, - 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, - 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, - 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, - 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, - 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, - 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D - ); - - /** - * Sets the key. - * - * Keys can be of any length. Rijndael, itself, requires the use of a key that's between 128-bits and 256-bits long and - * whose length is a multiple of 32. If the key is less than 256-bits and the key length isn't set, we round the length - * up to the closest valid key length, padding $key with null bytes. If the key is more than 256-bits, we trim the - * excess bits. - * - * If the key is not explicitly set, it'll be assumed to be all null bytes. - * - * Note: 160/224-bit keys must explicitly set by setKeyLength(), otherwise they will be round/pad up to 192/256 bits. - * - * @see Crypt_Base:setKey() - * @see setKeyLength() - * @access public - * @param String $key - */ - function setKey($key) - { - parent::setKey($key); - - if (!$this->explicit_key_length) { - $length = strlen($key); - switch (true) { - case $length <= 16: - $this->key_size = 16; - break; - case $length <= 20: - $this->key_size = 20; - break; - case $length <= 24: - $this->key_size = 24; - break; - case $length <= 28: - $this->key_size = 28; - break; - default: - $this->key_size = 32; - } - $this->_setupEngine(); - } - } - - /** - * Sets the key length + * Sets the key length. * * Valid key lengths are 128, 160, 192, 224, and 256. If the length is less than 128, it will be rounded up to * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. @@ -736,30 +186,28 @@ class Crypt_Rijndael extends Crypt_Base * This results then in slower encryption. * * @access public - * @param Integer $length + * @param int $length */ function setKeyLength($length) { switch (true) { - case $length == 160: - $this->key_size = 20; - break; - case $length == 224: - $this->key_size = 28; - break; case $length <= 128: - $this->key_size = 16; + $this->key_length = 16; + break; + case $length <= 160: + $this->key_length = 20; break; case $length <= 192: - $this->key_size = 24; + $this->key_length = 24; + break; + case $length <= 224: + $this->key_length = 28; break; default: - $this->key_size = 32; + $this->key_length = 32; } - $this->explicit_key_length = true; - $this->changed = true; - $this->_setupEngine(); + parent::setKeyLength($length); } /** @@ -769,110 +217,71 @@ class Crypt_Rijndael extends Crypt_Base * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. * * @access public - * @param Integer $length + * @param int $length */ function setBlockLength($length) { $length >>= 5; if ($length > 8) { $length = 8; - } else if ($length < 4) { + } elseif ($length < 4) { $length = 4; } $this->Nb = $length; $this->block_size = $length << 2; $this->changed = true; - $this->_setupEngine(); + $this->_setEngine(); } /** - * Setup the fastest possible $engine + * Test for engine validity * - * Determines if the mcrypt (MODE_MCRYPT) $engine available - * and usable for the current $block_size and $key_size. + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() * - * If not, the slower MODE_INTERNAL $engine will be set. - * - * @see setKey() - * @see setKeyLength() - * @see setBlockLength() - * @access private + * @see \phpseclib\Crypt\Base::__construct() + * @param int $engine + * @access public + * @return bool */ - function _setupEngine() + function isValidEngine($engine) { - if (constant('CRYPT_' . $this->const_namespace . '_MODE') == CRYPT_MODE_INTERNAL) { - // No mcrypt support at all for rijndael - return; - } - - // The required mcrypt module name for the current $block_size of rijndael - $cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); - - // Determining the availibility/usability of $cipher_name_mcrypt - switch (true) { - case $this->key_size % 8: // mcrypt is not usable for 160/224-bit keys, only for 128/192/256-bit keys - case !in_array($cipher_name_mcrypt, mcrypt_list_algorithms()): // $cipher_name_mcrypt is not available for the current $block_size - $engine = CRYPT_MODE_INTERNAL; + switch ($engine) { + case self::ENGINE_OPENSSL: + if ($this->block_size != 16) { + return false; + } + $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb'; + $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->_openssl_translate_mode(); break; - default: - $engine = CRYPT_MODE_MCRYPT; + case self::ENGINE_MCRYPT: + $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); + if ($this->key_length % 8) { // is it a 160/224-bit key? + // mcrypt is not usable for them, only for 128/192/256-bit keys + return false; + } } - if ($this->engine == $engine && $this->cipher_name_mcrypt == $cipher_name_mcrypt) { - // allready set, so we not unnecessary close $this->enmcrypt/demcrypt/ecb - return; - } - - // Set the $engine - $this->engine = $engine; - $this->cipher_name_mcrypt = $cipher_name_mcrypt; - - if ($this->enmcrypt) { - // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed, - // (re)open them with the module named in $this->cipher_name_mcrypt - mcrypt_module_close($this->enmcrypt); - mcrypt_module_close($this->demcrypt); - $this->enmcrypt = null; - $this->demcrypt = null; - - if ($this->ecb) { - mcrypt_module_close($this->ecb); - $this->ecb = null; - } - } - } - - /** - * Setup the CRYPT_MODE_MCRYPT $engine - * - * @see Crypt_Base::_setupMcrypt() - * @access private - */ - function _setupMcrypt() - { - $this->key = str_pad(substr($this->key, 0, $this->key_size), $this->key_size, "\0"); - parent::_setupMcrypt(); + return parent::isValidEngine($engine); } /** * Encrypts a block * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _encryptBlock($in) { - static $t0, $t1, $t2, $t3, $sbox; - if (!$t0) { - for ($i = 0; $i < 256; ++$i) { - $t0[] = (int)$this->t0[$i]; - $t1[] = (int)$this->t1[$i]; - $t2[] = (int)$this->t2[$i]; - $t3[] = (int)$this->t3[$i]; - $sbox[] = (int)$this->sbox[$i]; - } + static $tables; + if (empty($tables)) { + $tables = &$this->_getTables(); } + $t0 = $tables[0]; + $t1 = $tables[1]; + $t2 = $tables[2]; + $t3 = $tables[3]; + $sbox = $tables[4]; $state = array(); $words = unpack('N*', $in); @@ -883,9 +292,9 @@ class Crypt_Rijndael extends Crypt_Base $Nr = $this->Nr; // addRoundKey - $i = -1; + $wc = $Nb - 1; foreach ($words as $word) { - $state[] = $word ^ $w[0][++$i]; + $state[] = $word ^ $w[++$wc]; } // fips-197.pdf#page=19, "Figure 5. Pseudo Code for the Cipher", states that this loop has four components - @@ -908,7 +317,7 @@ class Crypt_Rijndael extends Crypt_Base $t1[$state[$j] >> 16 & 0x000000FF] ^ $t2[$state[$k] >> 8 & 0x000000FF] ^ $t3[$state[$l] & 0x000000FF] ^ - $w[$round][$i]; + $w[++$wc]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -935,7 +344,7 @@ class Crypt_Rijndael extends Crypt_Base ($state[$j] & 0x00FF0000) ^ ($state[$k] & 0x0000FF00) ^ ($state[$l] & 0x000000FF) ^ - $w[$Nr][$i]; + $w[$i]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -960,21 +369,20 @@ class Crypt_Rijndael extends Crypt_Base * Decrypts a block * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _decryptBlock($in) { - static $dt0, $dt1, $dt2, $dt3, $isbox; - if (!$dt0) { - for ($i = 0; $i < 256; ++$i) { - $dt0[] = (int)$this->dt0[$i]; - $dt1[] = (int)$this->dt1[$i]; - $dt2[] = (int)$this->dt2[$i]; - $dt3[] = (int)$this->dt3[$i]; - $isbox[] = (int)$this->isbox[$i]; - } + static $invtables; + if (empty($invtables)) { + $invtables = &$this->_getInvTables(); } + $dt0 = $invtables[0]; + $dt1 = $invtables[1]; + $dt2 = $invtables[2]; + $dt3 = $invtables[3]; + $isbox = $invtables[4]; $state = array(); $words = unpack('N*', $in); @@ -985,9 +393,9 @@ class Crypt_Rijndael extends Crypt_Base $Nr = $this->Nr; // addRoundKey - $i = -1; + $wc = $Nb - 1; foreach ($words as $word) { - $state[] = $word ^ $dw[$Nr][++$i]; + $state[] = $word ^ $dw[++$wc]; } $temp = array(); @@ -1002,7 +410,7 @@ class Crypt_Rijndael extends Crypt_Base $dt1[$state[$j] >> 16 & 0x000000FF] ^ $dt2[$state[$k] >> 8 & 0x000000FF] ^ $dt3[$state[$l] & 0x000000FF] ^ - $dw[$round][$i]; + $dw[++$wc]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -1023,10 +431,10 @@ class Crypt_Rijndael extends Crypt_Base ($state[$k] & 0x0000FF00) | ($state[$l] & 0x000000FF); - $temp[$i] = $dw[0][$i] ^ ($isbox[$word & 0x000000FF] | - ($isbox[$word >> 8 & 0x000000FF] << 8) | - ($isbox[$word >> 16 & 0x000000FF] << 16) | - ($isbox[$word >> 24 & 0x000000FF] << 24)); + $temp[$i] = $dw[$i] ^ ($isbox[$word & 0x000000FF] | + ($isbox[$word >> 8 & 0x000000FF] << 8) | + ($isbox[$word >> 16 & 0x000000FF] << 16) | + ($isbox[$word >> 24 & 0x000000FF] << 24)); ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -1050,7 +458,7 @@ class Crypt_Rijndael extends Crypt_Base /** * Setup the key (expansion) * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -1066,15 +474,13 @@ class Crypt_Rijndael extends Crypt_Base 0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000 ); - $this->key = str_pad(substr($this->key, 0, $this->key_size), $this->key_size, "\0"); - - if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_size === $this->kl['key_size'] && $this->block_size === $this->kl['block_size']) { + if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_length === $this->kl['key_length'] && $this->block_size === $this->kl['block_size']) { // already expanded return; } - $this->kl = array('key' => $this->key, 'key_size' => $this->key_size, 'block_size' => $this->block_size); + $this->kl = array('key' => $this->key, 'key_length' => $this->key_length, 'block_size' => $this->block_size); - $this->Nk = $this->key_size >> 2; + $this->Nk = $this->key_length >> 2; // see Rijndael-ammended.pdf#page=44 $this->Nr = max($this->Nk, $this->Nb) + 6; @@ -1107,7 +513,7 @@ class Crypt_Rijndael extends Crypt_Base // with 0xFFFFFFFF (or 0xFFFFFF00) on a 32-bit machine is unnecessary, but on a 64-bit machine, it is. $temp = (($temp << 8) & 0xFFFFFF00) | (($temp >> 24) & 0x000000FF); // rotWord $temp = $this->_subWord($temp) ^ $rcon[$i / $this->Nk]; - } else if ($this->Nk > 6 && $i % $this->Nk == 4) { + } elseif ($this->Nk > 6 && $i % $this->Nk == 4) { $temp = $this->_subWord($temp); } $w[$i] = $w[$i - $this->Nk] ^ $temp; @@ -1120,6 +526,7 @@ class Crypt_Rijndael extends Crypt_Base // 1. Apply the Key Expansion. // 2. Apply InvMixColumn to all Round Keys except the first and the last one." // also, see fips-197.pdf#page=27, "5.3.5 Equivalent Inverse Cipher" + list($dt0, $dt1, $dt2, $dt3) = $this->_getInvTables(); $temp = $this->w = $this->dw = array(); for ($i = $row = $col = 0; $i < $length; $i++, $col++) { if ($col == $this->Nb) { @@ -1130,10 +537,10 @@ class Crypt_Rijndael extends Crypt_Base $j = 0; while ($j < $this->Nb) { $dw = $this->_subWord($this->w[$row][$j]); - $temp[$j] = $this->dt0[$dw >> 24 & 0x000000FF] ^ - $this->dt1[$dw >> 16 & 0x000000FF] ^ - $this->dt2[$dw >> 8 & 0x000000FF] ^ - $this->dt3[$dw & 0x000000FF]; + $temp[$j] = $dt0[$dw >> 24 & 0x000000FF] ^ + $dt1[$dw >> 16 & 0x000000FF] ^ + $dt2[$dw >> 8 & 0x000000FF] ^ + $dt3[$dw & 0x000000FF]; $j++; } $this->dw[$row] = $temp; @@ -1147,31 +554,32 @@ class Crypt_Rijndael extends Crypt_Base $this->dw[$row] = $this->w[$row]; - // In case of $this->use_inline_crypt === true we have to use 1-dim key arrays (both ascending) - if ($this->use_inline_crypt) { - $this->dw = array_reverse($this->dw); - $w = array_pop($this->w); - $dw = array_pop($this->dw); - foreach ($this->w as $r => $wr) { - foreach ($wr as $c => $wc) { - $w[] = $wc; - $dw[] = $this->dw[$r][$c]; - } + // Converting to 1-dim key arrays (both ascending) + $this->dw = array_reverse($this->dw); + $w = array_pop($this->w); + $dw = array_pop($this->dw); + foreach ($this->w as $r => $wr) { + foreach ($wr as $c => $wc) { + $w[] = $wc; + $dw[] = $this->dw[$r][$c]; } - $this->w = $w; - $this->dw = $dw; } + $this->w = $w; + $this->dw = $dw; } /** * Performs S-Box substitutions * * @access private - * @param Integer $word + * @param int $word */ function _subWord($word) { - $sbox = $this->sbox; + static $sbox; + if (empty($sbox)) { + list(, , , , $sbox) = $this->_getTables(); + } return $sbox[$word & 0x000000FF] | ($sbox[$word >> 8 & 0x000000FF] << 8) | @@ -1179,10 +587,183 @@ class Crypt_Rijndael extends Crypt_Base ($sbox[$word >> 24 & 0x000000FF] << 24); } + /** + * Provides the mixColumns and sboxes tables + * + * @see self::_encryptBlock() + * @see self::_setupInlineCrypt() + * @see self::_subWord() + * @access private + * @return array &$tables + */ + function &_getTables() + { + static $tables; + if (empty($tables)) { + // according to (section 5.2.1), + // precomputed tables can be used in the mixColumns phase. in that example, they're assigned t0...t3, so + // those are the names we'll use. + $t3 = array_map('intval', array( + // with array_map('intval', ...) we ensure we have only int's and not + // some slower floats converted by php automatically on high values + 0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491, + 0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC, + 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB, + 0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B, + 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83, + 0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A, + 0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F, + 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA, + 0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B, + 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713, + 0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6, + 0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85, + 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411, + 0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B, + 0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1, + 0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF, + 0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E, + 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6, + 0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B, + 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD, + 0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8, + 0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2, + 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049, + 0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810, + 0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197, + 0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F, + 0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C, + 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927, + 0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733, + 0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5, + 0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0, + 0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C + )); + + foreach ($t3 as $t3i) { + $t0[] = (($t3i << 24) & 0xFF000000) | (($t3i >> 8) & 0x00FFFFFF); + $t1[] = (($t3i << 16) & 0xFFFF0000) | (($t3i >> 16) & 0x0000FFFF); + $t2[] = (($t3i << 8) & 0xFFFFFF00) | (($t3i >> 24) & 0x000000FF); + } + + $tables = array( + // The Precomputed mixColumns tables t0 - t3 + $t0, + $t1, + $t2, + $t3, + // The SubByte S-Box + array( + 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, + 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, + 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, + 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, + 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, + 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, + 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, + 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, + 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, + 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, + 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, + 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, + 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, + 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, + 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, + 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 + ) + ); + } + return $tables; + } + + /** + * Provides the inverse mixColumns and inverse sboxes tables + * + * @see self::_decryptBlock() + * @see self::_setupInlineCrypt() + * @see self::_setupKey() + * @access private + * @return array &$tables + */ + function &_getInvTables() + { + static $tables; + if (empty($tables)) { + $dt3 = array_map('intval', array( + 0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B, + 0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5, + 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B, + 0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E, + 0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D, + 0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9, + 0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66, + 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED, + 0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4, + 0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD, + 0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60, + 0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79, + 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C, + 0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24, + 0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C, + 0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814, + 0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B, + 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084, + 0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077, + 0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22, + 0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F, + 0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582, + 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB, + 0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF, + 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035, + 0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17, + 0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46, + 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D, + 0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A, + 0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678, + 0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF, + 0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0 + )); + + foreach ($dt3 as $dt3i) { + $dt0[] = (($dt3i << 24) & 0xFF000000) | (($dt3i >> 8) & 0x00FFFFFF); + $dt1[] = (($dt3i << 16) & 0xFFFF0000) | (($dt3i >> 16) & 0x0000FFFF); + $dt2[] = (($dt3i << 8) & 0xFFFFFF00) | (($dt3i >> 24) & 0x000000FF); + }; + + $tables = array( + // The Precomputed inverse mixColumns tables dt0 - dt3 + $dt0, + $dt1, + $dt2, + $dt3, + // The inverse SubByte S-Box + array( + 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, + 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, + 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, + 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, + 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, + 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, + 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, + 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, + 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, + 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, + 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, + 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, + 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, + 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, + 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D + ) + ); + } + return $tables; + } + /** * Setup the performance-optimized function for de/encrypt() * - * @see Crypt_Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() * @access private */ function _setupInlineCrypt() @@ -1191,44 +772,52 @@ class Crypt_Rijndael extends Crypt_Base // So here we are'nt under the same heavy timing-stress as we are in _de/encryptBlock() or de/encrypt(). // However...the here generated function- $code, stored as php callback in $this->inline_crypt, must work as fast as even possible. - $lambda_functions =& Crypt_Rijndael::_getLambdaFunctions(); + $lambda_functions =& self::_getLambdaFunctions(); - // The first 10 generated $lambda_functions will use the key-words hardcoded for better performance. - // For memory reason we limit those ultra-optimized functions. - // After that, we use pure (extracted) integer vars for the key-words which is faster than accessing them via array. - if (count($lambda_functions) < 10) { - $w = $this->w; - $dw = $this->dw; - $init_encrypt = ''; - $init_decrypt = ''; - } else { - for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) { - $w[] = '$w[' . $i . ']'; - $dw[] = '$dw[' . $i . ']'; - } - $init_encrypt = '$w = $self->w;'; - $init_decrypt = '$dw = $self->dw;'; + // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. + // (Currently, for Crypt_Rijndael/AES, one generated $lambda_function cost on php5.5@32bit ~80kb unfreeable mem and ~130kb on php5.5@64bit) + // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one. + $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); + + // Generation of a uniqe hash for our generated code + $code_hash = "Crypt_Rijndael, {$this->mode}, {$this->Nr}, {$this->Nb}"; + if ($gen_hi_opt_code) { + $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); } - $code_hash = md5(str_pad("Crypt_Rijndael, {$this->mode}, {$this->block_size}, ", 32, "\0") . implode(',', $w)); - if (!isset($lambda_functions[$code_hash])) { + switch (true) { + case $gen_hi_opt_code: + // The hi-optimized $lambda_functions will use the key-words hardcoded for better performance. + $w = $this->w; + $dw = $this->dw; + $init_encrypt = ''; + $init_decrypt = ''; + break; + default: + for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) { + $w[] = '$w[' . $i . ']'; + $dw[] = '$dw[' . $i . ']'; + } + $init_encrypt = '$w = $self->w;'; + $init_decrypt = '$dw = $self->dw;'; + } + $Nr = $this->Nr; $Nb = $this->Nb; $c = $this->c; // Generating encrypt code: $init_encrypt.= ' - static $t0, $t1, $t2, $t3, $sbox; - if (!$t0) { - for ($i = 0; $i < 256; ++$i) { - $t0[$i] = (int)$self->t0[$i]; - $t1[$i] = (int)$self->t1[$i]; - $t2[$i] = (int)$self->t2[$i]; - $t3[$i] = (int)$self->t3[$i]; - $sbox[$i] = (int)$self->sbox[$i]; - } + static $tables; + if (empty($tables)) { + $tables = &$self->_getTables(); } + $t0 = $tables[0]; + $t1 = $tables[1]; + $t2 = $tables[2]; + $t3 = $tables[3]; + $sbox = $tables[4]; '; $s = 'e'; @@ -1267,26 +856,25 @@ class Crypt_Rijndael extends Crypt_Base $encrypt_block .= '$in = pack("N*"'."\n"; for ($i = 0; $i < $Nb; ++$i) { $encrypt_block.= ', - ($'.$e.$i .' & 0xFF000000) ^ - ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000) ^ - ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00) ^ - ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF) ^ + ($'.$e.$i .' & '.((int)0xFF000000).') ^ + ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000 ) ^ + ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00 ) ^ + ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF ) ^ '.$w[$i]."\n"; } $encrypt_block .= ');'; // Generating decrypt code: $init_decrypt.= ' - static $dt0, $dt1, $dt2, $dt3, $isbox; - if (!$dt0) { - for ($i = 0; $i < 256; ++$i) { - $dt0[$i] = (int)$self->dt0[$i]; - $dt1[$i] = (int)$self->dt1[$i]; - $dt2[$i] = (int)$self->dt2[$i]; - $dt3[$i] = (int)$self->dt3[$i]; - $isbox[$i] = (int)$self->isbox[$i]; - } + static $invtables; + if (empty($invtables)) { + $invtables = &$self->_getInvTables(); } + $dt0 = $invtables[0]; + $dt1 = $invtables[1]; + $dt2 = $invtables[2]; + $dt3 = $invtables[3]; + $isbox = $invtables[4]; '; $s = 'e'; @@ -1325,10 +913,10 @@ class Crypt_Rijndael extends Crypt_Base $decrypt_block .= '$in = pack("N*"'."\n"; for ($i = 0; $i < $Nb; ++$i) { $decrypt_block.= ', - ($'.$e.$i. ' & 0xFF000000) ^ - ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000) ^ - ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00) ^ - ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF) ^ + ($'.$e.$i. ' & '.((int)0xFF000000).') ^ + ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000 ) ^ + ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00 ) ^ + ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF ) ^ '.$dw[$i]."\n"; } $decrypt_block .= ');'; diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/TripleDES.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/TripleDES.php index 06ea09b1e..a2c41668a 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/TripleDES.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/TripleDES.php @@ -5,14 +5,14 @@ * * Uses mcrypt, if available, and an internal implementation, otherwise. Operates in the EDE3 mode (encrypt-decrypt-encrypt). * - * PHP versions 4 and 5 + * PHP version 5 * * Here's a short example of how to use this library: * * setKey('abcdefghijklmnopqrstuvwx'); * @@ -26,99 +26,64 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_TripleDES + * @package TripleDES * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_DES - */ -if (!class_exists('Crypt_DES')) { - include_once 'DES.php'; -} - -/** - * Encrypt / decrypt using inner chaining - * - * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (CRYPT_DES_MODE_CBC3). - */ -define('CRYPT_DES_MODE_3CBC', -2); - -/** - * Encrypt / decrypt using outer chaining - * - * Outer chaining is used by SSH-2 and when the mode is set to CRYPT_DES_MODE_CBC. - */ -define('CRYPT_DES_MODE_CBC3', CRYPT_DES_MODE_CBC); +namespace phpseclib\Crypt; /** * Pure-PHP implementation of Triple DES. * - * @package Crypt_TripleDES + * @package TripleDES * @author Jim Wigginton * @access public */ -class Crypt_TripleDES extends Crypt_DES +class TripleDES extends DES { /** - * The default password key_size used by setPassword() + * Encrypt / decrypt using inner chaining * - * @see Crypt_DES::password_key_size - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() - * @var Integer + * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (self::MODE_CBC3). + */ + const MODE_3CBC = -2; + + /** + * Encrypt / decrypt using outer chaining + * + * Outer chaining is used by SSH-2 and when the mode is set to \phpseclib\Crypt\Base::MODE_CBC. + */ + const MODE_CBC3 = Base::MODE_CBC; + + /** + * Key Length (in bytes) + * + * @see \phpseclib\Crypt\TripleDES::setKeyLength() + * @var int * @access private */ - var $password_key_size = 24; + var $key_length = 24; /** * The default salt used by setPassword() * - * @see Crypt_Base::password_default_salt - * @see Crypt_Base::setPassword() - * @var String + * @see \phpseclib\Crypt\Base::password_default_salt + * @see \phpseclib\Crypt\Base::setPassword() + * @var string * @access private */ var $password_default_salt = 'phpseclib'; - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_DES::const_namespace - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'DES'; - /** * The mcrypt specific name of the cipher * - * @see Crypt_DES::cipher_name_mcrypt - * @see Crypt_Base::cipher_name_mcrypt - * @var String + * @see \phpseclib\Crypt\DES::cipher_name_mcrypt + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @var string * @access private */ var $cipher_name_mcrypt = 'tripledes'; @@ -126,8 +91,8 @@ class Crypt_TripleDES extends Crypt_DES /** * Optimizing value while CFB-encrypting * - * @see Crypt_Base::cfb_init_len - * @var Integer + * @see \phpseclib\Crypt\Base::cfb_init_len + * @var int * @access private */ var $cfb_init_len = 750; @@ -135,27 +100,27 @@ class Crypt_TripleDES extends Crypt_DES /** * max possible size of $key * - * @see Crypt_TripleDES::setKey() - * @see Crypt_DES::setKey() - * @var String + * @see self::setKey() + * @see \phpseclib\Crypt\DES::setKey() + * @var string * @access private */ - var $key_size_max = 24; + var $key_length_max = 24; /** - * Internal flag whether using CRYPT_DES_MODE_3CBC or not + * Internal flag whether using self::MODE_3CBC or not * - * @var Boolean + * @var bool * @access private */ var $mode_3cbc; /** - * The Crypt_DES objects + * The \phpseclib\Crypt\DES objects * * Used only if $mode_3cbc === true * - * @var Array + * @var array * @access private */ var $des; @@ -167,61 +132,82 @@ class Crypt_TripleDES extends Crypt_DES * * $mode could be: * - * - CRYPT_DES_MODE_ECB + * - \phpseclib\Crypt\Base::MODE_ECB * - * - CRYPT_DES_MODE_CBC + * - \phpseclib\Crypt\Base::MODE_CBC * - * - CRYPT_DES_MODE_CTR + * - \phpseclib\Crypt\Base::MODE_CTR * - * - CRYPT_DES_MODE_CFB + * - \phpseclib\Crypt\Base::MODE_CFB * - * - CRYPT_DES_MODE_OFB + * - \phpseclib\Crypt\Base::MODE_OFB * - * - CRYPT_DES_MODE_3CBC + * - \phpseclib\Crypt\TripleDES::MODE_3CBC * - * If not explicitly set, CRYPT_DES_MODE_CBC will be used. + * If not explicitly set, \phpseclib\Crypt\Base::MODE_CBC will be used. * - * @see Crypt_DES::Crypt_DES() - * @see Crypt_Base::Crypt_Base() - * @param optional Integer $mode + * @see \phpseclib\Crypt\DES::__construct() + * @see \phpseclib\Crypt\Base::__construct() + * @param int $mode * @access public */ - function Crypt_TripleDES($mode = CRYPT_DES_MODE_CBC) + function __construct($mode = Base::MODE_CBC) { switch ($mode) { - // In case of CRYPT_DES_MODE_3CBC, we init as CRYPT_DES_MODE_CBC + // In case of self::MODE_3CBC, we init as CRYPT_DES_MODE_CBC // and additional flag us internally as 3CBC - case CRYPT_DES_MODE_3CBC: - parent::Crypt_Base(CRYPT_DES_MODE_CBC); + case self::MODE_3CBC: + parent::__construct(Base::MODE_CBC); $this->mode_3cbc = true; // This three $des'es will do the 3CBC work (if $key > 64bits) $this->des = array( - new Crypt_DES(CRYPT_DES_MODE_CBC), - new Crypt_DES(CRYPT_DES_MODE_CBC), - new Crypt_DES(CRYPT_DES_MODE_CBC), + new DES(Base::MODE_CBC), + new DES(Base::MODE_CBC), + new DES(Base::MODE_CBC), ); - // we're going to be doing the padding, ourselves, so disable it in the Crypt_DES objects + // we're going to be doing the padding, ourselves, so disable it in the \phpseclib\Crypt\DES objects $this->des[0]->disablePadding(); $this->des[1]->disablePadding(); $this->des[2]->disablePadding(); break; // If not 3CBC, we init as usual default: - parent::Crypt_Base($mode); + parent::__construct($mode); } } + /** + * Test for engine validity + * + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() + * + * @see \phpseclib\Crypt\Base::__construct() + * @param int $engine + * @access public + * @return bool + */ + function isValidEngine($engine) + { + if ($engine == self::ENGINE_OPENSSL) { + $this->cipher_name_openssl_ecb = 'des-ede3'; + $mode = $this->_openssl_translate_mode(); + $this->cipher_name_openssl = $mode == 'ecb' ? 'des-ede3' : 'des-ede3-' . $mode; + } + + return parent::isValidEngine($engine); + } + /** * Sets the initialization vector. (optional) * - * SetIV is not required when CRYPT_DES_MODE_ECB is being used. If not explicitly set, it'll be assumed + * SetIV is not required when \phpseclib\Crypt\Base::MODE_ECB is being used. If not explicitly set, it'll be assumed * to be all zero's. * - * @see Crypt_Base::setIV() + * @see \phpseclib\Crypt\Base::setIV() * @access public - * @param String $iv + * @param string $iv */ function setIV($iv) { @@ -233,6 +219,32 @@ class Crypt_TripleDES extends Crypt_DES } } + /** + * Sets the key length. + * + * Valid key lengths are 64, 128 and 192 + * + * @see \phpseclib\Crypt\Base:setKeyLength() + * @access public + * @param int $length + */ + function setKeyLength($length) + { + $length >>= 3; + switch (true) { + case $length <= 8: + $this->key_length = 8; + break; + case $length <= 16: + $this->key_length = 16; + break; + default: + $this->key_length = 24; + } + + parent::setKeyLength($length); + } + /** * Sets the key. * @@ -244,24 +256,24 @@ class Crypt_TripleDES extends Crypt_DES * If the key is not explicitly set, it'll be assumed to be all null bytes. * * @access public - * @see Crypt_DES::setKey() - * @see Crypt_Base::setKey() - * @param String $key + * @see \phpseclib\Crypt\DES::setKey() + * @see \phpseclib\Crypt\Base::setKey() + * @param string $key */ function setKey($key) { - $length = strlen($key); + $length = $this->explicit_key_length ? $this->key_length : strlen($key); if ($length > 8) { $key = str_pad(substr($key, 0, 24), 24, chr(0)); // if $key is between 64 and 128-bits, use the first 64-bits as the last, per this: // http://php.net/function.mcrypt-encrypt#47973 - //$key = $length <= 16 ? substr_replace($key, substr($key, 0, 8), 16) : substr($key, 0, 24); + $key = $length <= 16 ? substr_replace($key, substr($key, 0, 8), 16) : substr($key, 0, 24); } else { $key = str_pad($key, 8, chr(0)); } parent::setKey($key); - // And in case of CRYPT_DES_MODE_3CBC: + // And in case of self::MODE_3CBC: // if key <= 64bits we not need the 3 $des to work, // because we will then act as regular DES-CBC with just a <= 64bit key. // So only if the key > 64bits (> 8 bytes) we will call setKey() for the 3 $des. @@ -275,15 +287,15 @@ class Crypt_TripleDES extends Crypt_DES /** * Encrypts a message. * - * @see Crypt_Base::encrypt() + * @see \phpseclib\Crypt\Base::encrypt() * @access public - * @param String $plaintext - * @return String $cipertext + * @param string $plaintext + * @return string $cipertext */ function encrypt($plaintext) { // parent::en/decrypt() is able to do all the work for all modes and keylengths, - // except for: CRYPT_DES_MODE_3CBC (inner chaining CBC) with a key > 64bits + // except for: self::MODE_3CBC (inner chaining CBC) with a key > 64bits // if the key is smaller then 8, do what we'd normally do if ($this->mode_3cbc && strlen($this->key) > 8) { @@ -302,10 +314,10 @@ class Crypt_TripleDES extends Crypt_DES /** * Decrypts a message. * - * @see Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::decrypt() * @access public - * @param String $ciphertext - * @return String $plaintext + * @param string $ciphertext + * @return string $plaintext */ function decrypt($ciphertext) { @@ -353,13 +365,13 @@ class Crypt_TripleDES extends Crypt_DES * outputs. The reason is due to the fact that the initialization vector's change after every encryption / * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. * - * Put another way, when the continuous buffer is enabled, the state of the Crypt_DES() object changes after each + * Put another way, when the continuous buffer is enabled, the state of the \phpseclib\Crypt\DES() object changes after each * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), * however, they are also less intuitive and more likely to cause you problems. * - * @see Crypt_Base::enableContinuousBuffer() - * @see Crypt_TripleDES::disableContinuousBuffer() + * @see \phpseclib\Crypt\Base::enableContinuousBuffer() + * @see self::disableContinuousBuffer() * @access public */ function enableContinuousBuffer() @@ -377,8 +389,8 @@ class Crypt_TripleDES extends Crypt_DES * * The default behavior. * - * @see Crypt_Base::disableContinuousBuffer() - * @see Crypt_TripleDES::enableContinuousBuffer() + * @see \phpseclib\Crypt\Base::disableContinuousBuffer() + * @see self::enableContinuousBuffer() * @access public */ function disableContinuousBuffer() @@ -394,8 +406,8 @@ class Crypt_TripleDES extends Crypt_DES /** * Creates the key schedule * - * @see Crypt_DES::_setupKey() - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\DES::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -425,4 +437,24 @@ class Crypt_TripleDES extends Crypt_DES // setup our key parent::_setupKey(); } + + /** + * Sets the internal crypt engine + * + * @see \phpseclib\Crypt\Base::__construct() + * @see \phpseclib\Crypt\Base::setPreferredEngine() + * @param int $engine + * @access public + * @return int + */ + function setPreferredEngine($engine) + { + if ($this->mode_3cbc) { + $this->des[0]->setPreferredEngine($engine); + $this->des[1]->setPreferredEngine($engine); + $this->des[2]->setPreferredEngine($engine); + } + + return parent::setPreferredEngine($engine); + } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.php index 8dd7933a8..3dd4ea1d3 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.php @@ -5,7 +5,7 @@ * * Uses mcrypt, if available, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * * Useful resources are as follows: * @@ -14,9 +14,9 @@ * Here's a short example of how to use this library: * * setKey('12345678901234567890123456789012'); * @@ -26,26 +26,8 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Twofish + * @package Twofish * @author Jim Wigginton * @author Hans-Juergen Petrich * @copyright 2007 Jim Wigginton @@ -53,92 +35,23 @@ * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} - -/**#@+ - * @access public - * @see Crypt_Twofish::encrypt() - * @see Crypt_Twofish::decrypt() - */ -/** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ -define('CRYPT_TWOFISH_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_TWOFISH_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_TWOFISH_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_TWOFISH_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_TWOFISH_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_TWOFISH_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_TWOFISH_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +namespace phpseclib\Crypt; /** * Pure-PHP implementation of Twofish. * - * @package Crypt_Twofish + * @package Twofish * @author Jim Wigginton * @author Hans-Juergen Petrich * @access public */ -class Crypt_Twofish extends Crypt_Base +class Twofish extends Base { - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'TWOFISH'; - /** * The mcrypt specific name of the cipher * - * @see Crypt_Base::cipher_name_mcrypt - * @var String + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @var string * @access private */ var $cipher_name_mcrypt = 'twofish'; @@ -146,8 +59,8 @@ class Crypt_Twofish extends Crypt_Base /** * Optimizing value while CFB-encrypting * - * @see Crypt_Base::cfb_init_len - * @var Integer + * @see \phpseclib\Crypt\Base::cfb_init_len + * @var int * @access private */ var $cfb_init_len = 800; @@ -155,10 +68,10 @@ class Crypt_Twofish extends Crypt_Base /** * Q-Table * - * @var Array + * @var array * @access private */ - var $q0 = array ( + var $q0 = array( 0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76, 0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38, 0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C, @@ -196,10 +109,10 @@ class Crypt_Twofish extends Crypt_Base /** * Q-Table * - * @var Array + * @var array * @access private */ - var $q1 = array ( + var $q1 = array( 0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8, 0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B, 0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1, @@ -237,10 +150,10 @@ class Crypt_Twofish extends Crypt_Base /** * M-Table * - * @var Array + * @var array * @access private */ - var $m0 = array ( + var $m0 = array( 0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8, 0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B, 0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1, @@ -278,10 +191,10 @@ class Crypt_Twofish extends Crypt_Base /** * M-Table * - * @var Array + * @var array * @access private */ - var $m1 = array ( + var $m1 = array( 0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4, 0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A, 0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141, @@ -319,10 +232,10 @@ class Crypt_Twofish extends Crypt_Base /** * M-Table * - * @var Array + * @var array * @access private */ - var $m2 = array ( + var $m2 = array( 0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA, 0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7, 0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783, @@ -360,10 +273,10 @@ class Crypt_Twofish extends Crypt_Base /** * M-Table * - * @var Array + * @var array * @access private */ - var $m3 = array ( + var $m3 = array( 0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF, 0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836, 0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77, @@ -401,7 +314,7 @@ class Crypt_Twofish extends Crypt_Base /** * The Key Schedule Array * - * @var Array + * @var array * @access private */ var $K = array(); @@ -409,7 +322,7 @@ class Crypt_Twofish extends Crypt_Base /** * The Key depended S-Table 0 * - * @var Array + * @var array * @access private */ var $S0 = array(); @@ -417,7 +330,7 @@ class Crypt_Twofish extends Crypt_Base /** * The Key depended S-Table 1 * - * @var Array + * @var array * @access private */ var $S1 = array(); @@ -425,7 +338,7 @@ class Crypt_Twofish extends Crypt_Base /** * The Key depended S-Table 2 * - * @var Array + * @var array * @access private */ var $S2 = array(); @@ -433,7 +346,7 @@ class Crypt_Twofish extends Crypt_Base /** * The Key depended S-Table 3 * - * @var Array + * @var array * @access private */ var $S3 = array(); @@ -441,47 +354,48 @@ class Crypt_Twofish extends Crypt_Base /** * Holds the last used key * - * @var Array + * @var array * @access private */ var $kl; /** - * Sets the key. + * The Key Length (in bytes) * - * Keys can be of any length. Twofish, itself, requires the use of a key that's 128, 192 or 256-bits long. - * If the key is less than 256-bits we round the length up to the closest valid key length, - * padding $key with null bytes. If the key is more than 256-bits, we trim the excess bits. + * @see Crypt_Twofish::setKeyLength() + * @var int + * @access private + */ + var $key_length = 16; + + /** + * Sets the key length. * - * If the key is not explicitly set, it'll be assumed a 128 bits key to be all null bytes. + * Valid key lengths are 128, 192 or 256 bits * * @access public - * @see Crypt_Base::setKey() - * @param String $key + * @param int $length */ - function setKey($key) + function setKeyLength($length) { - $keylength = strlen($key); switch (true) { - case $keylength <= 16: - $key = str_pad($key, 16, "\0"); + case $length <= 128: + $this->key_length = 16; break; - case $keylength <= 24: - $key = str_pad($key, 24, "\0"); + case $length <= 192: + $this->key_length = 24; break; - case $keylength < 32: - $key = str_pad($key, 32, "\0"); - break; - case $keylength > 32: - $key = substr($key, 0, 32); + default: + $this->key_length = 32; } - parent::setKey($key); + + parent::setKeyLength($length); } /** * Setup the key (expansion) * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -506,9 +420,9 @@ class Crypt_Twofish extends Crypt_Base switch (strlen($this->key)) { case 16: - list ($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[1], $le_longs[2]); - list ($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[3], $le_longs[4]); - for ($i = 0, $j = 1; $i < 40; $i+= 2,$j+= 2) { + list($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[1], $le_longs[2]); + list($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[3], $le_longs[4]); + for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { $A = $m0[$q0[$q0[$i] ^ $key[ 9]] ^ $key[1]] ^ $m1[$q0[$q1[$i] ^ $key[10]] ^ $key[2]] ^ $m2[$q1[$q0[$i] ^ $key[11]] ^ $key[3]] ^ @@ -529,9 +443,9 @@ class Crypt_Twofish extends Crypt_Base } break; case 24: - list ($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[1], $le_longs[2]); - list ($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[3], $le_longs[4]); - list ($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[5], $le_longs[6]); + list($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[1], $le_longs[2]); + list($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[3], $le_longs[4]); + list($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[5], $le_longs[6]); for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { $A = $m0[$q0[$q0[$q1[$i] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^ $m1[$q0[$q1[$q1[$i] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^ @@ -553,10 +467,10 @@ class Crypt_Twofish extends Crypt_Base } break; default: // 32 - list ($sf, $se, $sd, $sc) = $this->_mdsrem($le_longs[1], $le_longs[2]); - list ($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[3], $le_longs[4]); - list ($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[5], $le_longs[6]); - list ($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[7], $le_longs[8]); + list($sf, $se, $sd, $sc) = $this->_mdsrem($le_longs[1], $le_longs[2]); + list($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[3], $le_longs[4]); + list($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[5], $le_longs[6]); + list($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[7], $le_longs[8]); for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { $A = $m0[$q0[$q0[$q1[$q1[$i] ^ $key[25]] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^ $m1[$q0[$q1[$q1[$q0[$i] ^ $key[26]] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^ @@ -589,9 +503,9 @@ class Crypt_Twofish extends Crypt_Base * _mdsrem function using by the twofish cipher algorithm * * @access private - * @param String $A - * @param String $B - * @return Array + * @param string $A + * @param string $B + * @return array */ function _mdsrem($A, $B) { @@ -618,7 +532,9 @@ class Crypt_Twofish extends Crypt_Base $u^= 0x7fffffff & ($t >> 1); // Add the modular polynomial on underflow. - if ($t & 0x01) $u^= 0xa6 ; + if ($t & 0x01) { + $u^= 0xa6 ; + } // Remove t * (a + 1/a) * (x^3 + x). $B^= ($u << 24) | ($u << 8); @@ -635,8 +551,8 @@ class Crypt_Twofish extends Crypt_Base * Encrypts a block * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _encryptBlock($in) { @@ -691,8 +607,8 @@ class Crypt_Twofish extends Crypt_Base * Decrypts a block * * @access private - * @param String $in - * @return String + * @param string $in + * @return string */ function _decryptBlock($in) { @@ -746,29 +662,27 @@ class Crypt_Twofish extends Crypt_Base /** * Setup the performance-optimized function for de/encrypt() * - * @see Crypt_Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() * @access private */ function _setupInlineCrypt() { - $lambda_functions =& Crypt_Twofish::_getLambdaFunctions(); + $lambda_functions =& self::_getLambdaFunctions(); // Max. 10 Ultra-Hi-optimized inline-crypt functions. After that, we'll (still) create very fast code, but not the ultimate fast one. - $gen_hi_opt_code = (bool)( count($lambda_functions) < 10 ); + // (Currently, for Crypt_Twofish, one generated $lambda_function cost on php5.5@32bit ~140kb unfreeable mem and ~240kb on php5.5@64bit) + $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - switch (true) { - case $gen_hi_opt_code: - $code_hash = md5(str_pad("Crypt_Twofish, {$this->mode}, ", 32, "\0") . $this->key); - break; - default: - $code_hash = "Crypt_Twofish, {$this->mode}"; + // Generation of a unique hash for our generated code + $code_hash = "Crypt_Twofish, {$this->mode}"; + if ($gen_hi_opt_code) { + $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); } if (!isset($lambda_functions[$code_hash])) { switch (true) { case $gen_hi_opt_code: $K = $this->K; - $init_crypt = ' static $S0, $S1, $S2, $S3; if (!$S0) { @@ -786,7 +700,6 @@ class Crypt_Twofish extends Crypt_Base for ($i = 0; $i < 40; ++$i) { $K[] = '$K_' . $i; } - $init_crypt = ' $S0 = $self->S0; $S1 = $self->S1; diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php index 3ff1b7d4b..1f3eecb30 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php @@ -3,52 +3,36 @@ /** * Pure-PHP ANSI Decoder * - * PHP versions 4 and 5 + * PHP version 5 * - * If you call read() in Net_SSH2 you may get {@link http://en.wikipedia.org/wiki/ANSI_escape_code ANSI escape codes} back. + * If you call read() in \phpseclib\Net\SSH2 you may get {@link http://en.wikipedia.org/wiki/ANSI_escape_code ANSI escape codes} back. * They'd look like chr(0x1B) . '[00m' or whatever (0x1B = ESC). They tell a * {@link http://en.wikipedia.org/wiki/Terminal_emulator terminal emulator} how to format the characters, what - * color to display them in, etc. File_ANSI is a {@link http://en.wikipedia.org/wiki/VT100 VT100} terminal emulator. - * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. + * color to display them in, etc. \phpseclib\File\ANSI is a {@link http://en.wikipedia.org/wiki/VT100 VT100} terminal emulator. * * @category File - * @package File_ANSI + * @package ANSI * @author Jim Wigginton * @copyright 2012 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ +namespace phpseclib\File; + /** * Pure-PHP ANSI Decoder * - * @package File_ANSI + * @package ANSI * @author Jim Wigginton * @access public */ -class File_ANSI +class ANSI { /** * Max Width * - * @var Integer + * @var int * @access private */ var $max_x; @@ -56,7 +40,7 @@ class File_ANSI /** * Max Height * - * @var Integer + * @var int * @access private */ var $max_y; @@ -64,7 +48,7 @@ class File_ANSI /** * Max History * - * @var Integer + * @var int * @access private */ var $max_history; @@ -72,7 +56,7 @@ class File_ANSI /** * History * - * @var Array + * @var array * @access private */ var $history; @@ -80,7 +64,7 @@ class File_ANSI /** * History Attributes * - * @var Array + * @var array * @access private */ var $history_attrs; @@ -88,7 +72,7 @@ class File_ANSI /** * Current Column * - * @var Integer + * @var int * @access private */ var $x; @@ -96,7 +80,7 @@ class File_ANSI /** * Current Row * - * @var Integer + * @var int * @access private */ var $y; @@ -104,7 +88,7 @@ class File_ANSI /** * Old Column * - * @var Integer + * @var int * @access private */ var $old_x; @@ -112,15 +96,31 @@ class File_ANSI /** * Old Row * - * @var Integer + * @var int * @access private */ var $old_y; + /** + * An empty attribute cell + * + * @var object + * @access private + */ + var $base_attr_cell; + + /** + * The current attribute cell + * + * @var object + * @access private + */ + var $attr_cell; + /** * An empty attribute row * - * @var Array + * @var array * @access private */ var $attr_row; @@ -128,7 +128,7 @@ class File_ANSI /** * The current screen text * - * @var Array + * @var array * @access private */ var $screen; @@ -136,83 +136,45 @@ class File_ANSI /** * The current screen attributes * - * @var Array + * @var array * @access private */ var $attrs; - /** - * The current foreground color - * - * @var String - * @access private - */ - var $foreground; - - /** - * The current background color - * - * @var String - * @access private - */ - var $background; - - /** - * Bold flag - * - * @var Boolean - * @access private - */ - var $bold; - - /** - * Underline flag - * - * @var Boolean - * @access private - */ - var $underline; - - /** - * Blink flag - * - * @var Boolean - * @access private - */ - var $blink; - - /** - * Reverse flag - * - * @var Boolean - * @access private - */ - var $reverse; - - /** - * Color flag - * - * @var Boolean - * @access private - */ - var $color; - /** * Current ANSI code * - * @var String + * @var string * @access private */ var $ansi; + /** + * Tokenization + * + * @var array + * @access private + */ + var $tokenization; + /** * Default Constructor. * - * @return File_ANSI + * @return \phpseclib\File\ANSI * @access public */ - function File_ANSI() + function __construct() { + $attr_cell = new \stdClass(); + $attr_cell->bold = false; + $attr_cell->underline = false; + $attr_cell->blink = false; + $attr_cell->background = 'black'; + $attr_cell->foreground = 'white'; + $attr_cell->reverse = false; + $this->base_attr_cell = clone $attr_cell; + $this->attr_cell = clone $attr_cell; + $this->setHistory(200); $this->setDimensions(80, 24); } @@ -222,8 +184,8 @@ class File_ANSI * * Resets the screen as well * - * @param Integer $x - * @param Integer $y + * @param int $x + * @param int $y * @access public */ function setDimensions($x, $y) @@ -232,25 +194,17 @@ class File_ANSI $this->max_y = $y - 1; $this->x = $this->y = 0; $this->history = $this->history_attrs = array(); - $this->attr_row = array_fill(0, $this->max_x + 1, ''); + $this->attr_row = array_fill(0, $this->max_x + 2, $this->base_attr_cell); $this->screen = array_fill(0, $this->max_y + 1, ''); $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row); - $this->foreground = 'white'; - $this->background = 'black'; - $this->bold = false; - $this->underline = false; - $this->blink = false; - $this->reverse = false; - $this->color = false; - $this->ansi = ''; } /** * Set the number of lines that should be logged past the terminal height * - * @param Integer $x - * @param Integer $y + * @param int $x + * @param int $y * @access public */ function setHistory($history) @@ -261,7 +215,7 @@ class File_ANSI /** * Load a string * - * @param String $source + * @param string $source * @access public */ function loadString($source) @@ -273,11 +227,12 @@ class File_ANSI /** * Appdend a string * - * @param String $source + * @param string $source * @access public */ function appendString($source) { + $this->tokenization = array(''); for ($i = 0; $i < strlen($source); $i++) { if (strlen($this->ansi)) { $this->ansi.= $source[$i]; @@ -294,6 +249,8 @@ class File_ANSI default: continue 2; } + $this->tokenization[] = $this->ansi; + $this->tokenization[] = ''; // http://ascii-table.com/ansi-escape-sequences-vt-100.php switch ($this->ansi) { case "\x1B[H": // Move cursor to upper left corner @@ -315,7 +272,7 @@ class File_ANSI case "\x1B[K": // Clear screen from cursor right $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x); - array_splice($this->attrs[$this->y], $this->x + 1); + array_splice($this->attrs[$this->y], $this->x + 1, $this->max_x - $this->x, array_fill($this->x, $this->max_x - $this->x - 1, $this->base_attr_cell)); break; case "\x1B[2K": // Clear entire line $this->screen[$this->y] = str_repeat(' ', $this->x); @@ -323,6 +280,7 @@ class File_ANSI break; case "\x1B[?1h": // set cursor key to application case "\x1B[?25h": // show the cursor + case "\x1B(B": // set united states g0 character set break; case "\x1BE": // Move to next line $this->_newLine(); @@ -330,6 +288,10 @@ class File_ANSI break; default: switch (true) { + case preg_match('#\x1B\[(\d+)B#', $this->ansi, $match): // Move cursor down n lines + $this->old_y = $this->y; + $this->y+= $match[1]; + break; case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h $this->old_x = $this->x; $this->old_y = $this->y; @@ -338,65 +300,44 @@ class File_ANSI break; case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines $this->old_x = $this->x; - $x = $match[1] - 1; + $this->x+= $match[1]; + break; + case preg_match('#\x1B\[(\d+)D#', $this->ansi, $match): // Move cursor left n lines + $this->old_x = $this->x; + $this->x-= $match[1]; break; case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window break; case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes + $attr_cell = &$this->attr_cell; $mods = explode(';', $match[1]); foreach ($mods as $mod) { switch ($mod) { case 0: // Turn off character attributes - $this->attrs[$this->y][$this->x] = ''; - - if ($this->bold) $this->attrs[$this->y][$this->x].= ''; - if ($this->underline) $this->attrs[$this->y][$this->x].= ''; - if ($this->blink) $this->attrs[$this->y][$this->x].= ''; - if ($this->color) $this->attrs[$this->y][$this->x].= ''; - - if ($this->reverse) { - $temp = $this->background; - $this->background = $this->foreground; - $this->foreground = $temp; - } - - $this->bold = $this->underline = $this->blink = $this->color = $this->reverse = false; + $attr_cell = clone $this->base_attr_cell; break; case 1: // Turn bold mode on - if (!$this->bold) { - $this->attrs[$this->y][$this->x] = ''; - $this->bold = true; - } + $attr_cell->bold = true; break; case 4: // Turn underline mode on - if (!$this->underline) { - $this->attrs[$this->y][$this->x] = ''; - $this->underline = true; - } + $attr_cell->underline = true; break; case 5: // Turn blinking mode on - if (!$this->blink) { - $this->attrs[$this->y][$this->x] = ''; - $this->blink = true; - } + $attr_cell->blink = true; break; case 7: // Turn reverse video on - $this->reverse = !$this->reverse; - $temp = $this->background; - $this->background = $this->foreground; - $this->foreground = $temp; - $this->attrs[$this->y][$this->x] = ''; - if ($this->color) { - $this->attrs[$this->y][$this->x] = '' . $this->attrs[$this->y][$this->x]; - } - $this->color = true; + $attr_cell->reverse = !$attr_cell->reverse; + $temp = $attr_cell->background; + $attr_cell->background = $attr_cell->foreground; + $attr_cell->foreground = $temp; break; default: // set colors - //$front = $this->reverse ? &$this->background : &$this->foreground; - $front = &$this->{ $this->reverse ? 'background' : 'foreground' }; - //$back = $this->reverse ? &$this->foreground : &$this->background; - $back = &$this->{ $this->reverse ? 'foreground' : 'background' }; + //$front = $attr_cell->reverse ? &$attr_cell->background : &$attr_cell->foreground; + $front = &$attr_cell->{ $attr_cell->reverse ? 'background' : 'foreground' }; + //$back = $attr_cell->reverse ? &$attr_cell->foreground : &$attr_cell->background; + $back = &$attr_cell->{ $attr_cell->reverse ? 'foreground' : 'background' }; switch ($mod) { + // @codingStandardsIgnoreStart case 30: $front = 'black'; break; case 31: $front = 'red'; break; case 32: $front = 'green'; break; @@ -414,30 +355,25 @@ class File_ANSI case 45: $back = 'magenta'; break; case 46: $back = 'cyan'; break; case 47: $back = 'white'; break; + // @codingStandardsIgnoreEnd default: - user_error('Unsupported attribute: ' . $mod); + //user_error('Unsupported attribute: ' . $mod); $this->ansi = ''; break 2; } - - unset($temp); - $this->attrs[$this->y][$this->x] = ''; - if ($this->color) { - $this->attrs[$this->y][$this->x] = '' . $this->attrs[$this->y][$this->x]; - } - $this->color = true; } } break; default: - user_error("{$this->ansi} unsupported\r\n"); + //user_error("{$this->ansi} is unsupported\r\n"); } } $this->ansi = ''; continue; } + $this->tokenization[count($this->tokenization) - 1].= $source[$i]; switch ($source[$i]) { case "\r": $this->x = 0; @@ -445,12 +381,32 @@ class File_ANSI case "\n": $this->_newLine(); break; + case "\x08": // backspace + if ($this->x) { + $this->x--; + $this->attrs[$this->y][$this->x] = clone $this->base_attr_cell; + $this->screen[$this->y] = substr_replace( + $this->screen[$this->y], + $source[$i], + $this->x, + 1 + ); + } + break; case "\x0F": // shift break; case "\x1B": // start ANSI escape code + $this->tokenization[count($this->tokenization) - 1] = substr($this->tokenization[count($this->tokenization) - 1], 0, -1); + //if (!strlen($this->tokenization[count($this->tokenization) - 1])) { + // array_pop($this->tokenization); + //} $this->ansi.= "\x1B"; break; default: + $this->attrs[$this->y][$this->x] = clone $this->attr_cell; + if ($this->x > strlen($this->screen[$this->y])) { + $this->screen[$this->y] = str_repeat(' ', $this->x); + } $this->screen[$this->y] = substr_replace( $this->screen[$this->y], $source[$i], @@ -498,26 +454,84 @@ class File_ANSI $this->y++; } + /** + * Returns the current coordinate without preformating + * + * @access private + * @return string + */ + function _processCoordinate($last_attr, $cur_attr, $char) + { + $output = ''; + + if ($last_attr != $cur_attr) { + $close = $open = ''; + if ($last_attr->foreground != $cur_attr->foreground) { + if ($cur_attr->foreground != 'white') { + $open.= ''; + } + if ($last_attr->foreground != 'white') { + $close = '' . $close; + } + } + if ($last_attr->background != $cur_attr->background) { + if ($cur_attr->background != 'black') { + $open.= ''; + } + if ($last_attr->background != 'black') { + $close = '' . $close; + } + } + if ($last_attr->bold != $cur_attr->bold) { + if ($cur_attr->bold) { + $open.= ''; + } else { + $close = '' . $close; + } + } + if ($last_attr->underline != $cur_attr->underline) { + if ($cur_attr->underline) { + $open.= ''; + } else { + $close = '' . $close; + } + } + if ($last_attr->blink != $cur_attr->blink) { + if ($cur_attr->blink) { + $open.= ''; + } else { + $close = '' . $close; + } + } + $output.= $close . $open; + } + + $output.= htmlspecialchars($char); + + return $output; + } + /** * Returns the current screen without preformating * * @access private - * @return String + * @return string */ function _getScreen() { $output = ''; + $last_attr = $this->base_attr_cell; for ($i = 0; $i <= $this->max_y; $i++) { - for ($j = 0; $j <= $this->max_x + 1; $j++) { - if (isset($this->attrs[$i][$j])) { - $output.= $this->attrs[$i][$j]; - } - if (isset($this->screen[$i][$j])) { - $output.= htmlspecialchars($this->screen[$i][$j]); - } + for ($j = 0; $j <= $this->max_x; $j++) { + $cur_attr = $this->attrs[$i][$j]; + $output.= $this->_processCoordinate($last_attr, $cur_attr, isset($this->screen[$i][$j]) ? $this->screen[$i][$j] : ''); + $last_attr = $this->attrs[$i][$j]; } $output.= "\r\n"; } + $output = substr($output, 0, -2); + // close any remaining open tags + $output.= $this->_processCoordinate($last_attr, $this->base_attr_cell, ''); return rtrim($output); } @@ -525,35 +539,36 @@ class File_ANSI * Returns the current screen * * @access public - * @return String + * @return string */ function getScreen() { - return '
' . $this->_getScreen() . '
'; + return '
' . $this->_getScreen() . '
'; } /** * Returns the current screen and the x previous lines * * @access public - * @return String + * @return string */ function getHistory() { $scrollback = ''; + $last_attr = $this->base_attr_cell; for ($i = 0; $i < count($this->history); $i++) { for ($j = 0; $j <= $this->max_x + 1; $j++) { - if (isset($this->history_attrs[$i][$j])) { - $scrollback.= $this->history_attrs[$i][$j]; - } - if (isset($this->history[$i][$j])) { - $scrollback.= htmlspecialchars($this->history[$i][$j]); - } + $cur_attr = $this->history_attrs[$i][$j]; + $scrollback.= $this->_processCoordinate($last_attr, $cur_attr, isset($this->history[$i][$j]) ? $this->history[$i][$j] : ''); + $last_attr = $this->history_attrs[$i][$j]; } $scrollback.= "\r\n"; } + $base_attr_cell = $this->base_attr_cell; + $this->base_attr_cell = $last_attr; $scrollback.= $this->_getScreen(); + $this->base_attr_cell = $base_attr_cell; - return '
' . $scrollback . '
'; + return '
' . $scrollback . '
'; } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1.php index 1d66793a1..8308645b4 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1.php @@ -3,153 +3,108 @@ /** * Pure-PHP ASN.1 Parser * - * PHP versions 4 and 5 + * PHP version 5 * * ASN.1 provides the semantics for data encoded using various schemes. The most commonly * utilized scheme is DER or the "Distinguished Encoding Rules". PEM's are base64 encoded * DER blobs. * - * File_ASN1 decodes and encodes DER formatted messages and places them in a semantic context. + * \phpseclib\File\ASN1 decodes and encodes DER formatted messages and places them in a semantic context. * * Uses the 1988 ASN.1 syntax. * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category File - * @package File_ASN1 + * @package ASN1 * @author Jim Wigginton * @copyright 2012 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/**#@+ - * Tag Classes - * - * @access private - * @link http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=12 - */ -define('FILE_ASN1_CLASS_UNIVERSAL', 0); -define('FILE_ASN1_CLASS_APPLICATION', 1); -define('FILE_ASN1_CLASS_CONTEXT_SPECIFIC', 2); -define('FILE_ASN1_CLASS_PRIVATE', 3); -/**#@-*/ +namespace phpseclib\File; -/**#@+ - * Tag Classes - * - * @access private - * @link http://www.obj-sys.com/asn1tutorial/node124.html - */ -define('FILE_ASN1_TYPE_BOOLEAN', 1); -define('FILE_ASN1_TYPE_INTEGER', 2); -define('FILE_ASN1_TYPE_BIT_STRING', 3); -define('FILE_ASN1_TYPE_OCTET_STRING', 4); -define('FILE_ASN1_TYPE_NULL', 5); -define('FILE_ASN1_TYPE_OBJECT_IDENTIFIER', 6); -//define('FILE_ASN1_TYPE_OBJECT_DESCRIPTOR', 7); -//define('FILE_ASN1_TYPE_INSTANCE_OF', 8); // EXTERNAL -define('FILE_ASN1_TYPE_REAL', 9); -define('FILE_ASN1_TYPE_ENUMERATED', 10); -//define('FILE_ASN1_TYPE_EMBEDDED', 11); -define('FILE_ASN1_TYPE_UTF8_STRING', 12); -//define('FILE_ASN1_TYPE_RELATIVE_OID', 13); -define('FILE_ASN1_TYPE_SEQUENCE', 16); // SEQUENCE OF -define('FILE_ASN1_TYPE_SET', 17); // SET OF -/**#@-*/ -/**#@+ - * More Tag Classes - * - * @access private - * @link http://www.obj-sys.com/asn1tutorial/node10.html - */ -define('FILE_ASN1_TYPE_NUMERIC_STRING', 18); -define('FILE_ASN1_TYPE_PRINTABLE_STRING', 19); -define('FILE_ASN1_TYPE_TELETEX_STRING', 20); // T61String -define('FILE_ASN1_TYPE_VIDEOTEX_STRING', 21); -define('FILE_ASN1_TYPE_IA5_STRING', 22); -define('FILE_ASN1_TYPE_UTC_TIME', 23); -define('FILE_ASN1_TYPE_GENERALIZED_TIME', 24); -define('FILE_ASN1_TYPE_GRAPHIC_STRING', 25); -define('FILE_ASN1_TYPE_VISIBLE_STRING', 26); // ISO646String -define('FILE_ASN1_TYPE_GENERAL_STRING', 27); -define('FILE_ASN1_TYPE_UNIVERSAL_STRING', 28); -//define('FILE_ASN1_TYPE_CHARACTER_STRING', 29); -define('FILE_ASN1_TYPE_BMP_STRING', 30); -/**#@-*/ - -/**#@+ - * Tag Aliases - * - * These tags are kinda place holders for other tags. - * - * @access private - */ -define('FILE_ASN1_TYPE_CHOICE', -1); -define('FILE_ASN1_TYPE_ANY', -2); -/**#@-*/ - -/** - * ASN.1 Element - * - * Bypass normal encoding rules in File_ASN1::encodeDER() - * - * @package File_ASN1 - * @author Jim Wigginton - * @access public - */ -class File_ASN1_Element -{ - /** - * Raw element value - * - * @var String - * @access private - */ - var $element; - - /** - * Constructor - * - * @param String $encoded - * @return File_ASN1_Element - * @access public - */ - function File_ASN1_Element($encoded) - { - $this->element = $encoded; - } -} +use phpseclib\File\ASN1\Element; +use phpseclib\Math\BigInteger; /** * Pure-PHP ASN.1 Parser * - * @package File_ASN1 + * @package ASN1 * @author Jim Wigginton * @access public */ -class File_ASN1 +class ASN1 { + /**#@+ + * Tag Classes + * + * @access private + * @link http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=12 + */ + const CLASS_UNIVERSAL = 0; + const CLASS_APPLICATION = 1; + const CLASS_CONTEXT_SPECIFIC = 2; + const CLASS_PRIVATE = 3; + /**#@-*/ + + /**#@+ + * Tag Classes + * + * @access private + * @link http://www.obj-sys.com/asn1tutorial/node124.html + */ + const TYPE_BOOLEAN = 1; + const TYPE_INTEGER = 2; + const TYPE_BIT_STRING = 3; + const TYPE_OCTET_STRING = 4; + const TYPE_NULL = 5; + const TYPE_OBJECT_IDENTIFIER = 6; + //const TYPE_OBJECT_DESCRIPTOR = 7; + //const TYPE_INSTANCE_OF = 8; // EXTERNAL + const TYPE_REAL = 9; + const TYPE_ENUMERATED = 10; + //const TYPE_EMBEDDED = 11; + const TYPE_UTF8_STRING = 12; + //const TYPE_RELATIVE_OID = 13; + const TYPE_SEQUENCE = 16; // SEQUENCE OF + const TYPE_SET = 17; // SET OF + /**#@-*/ + /**#@+ + * More Tag Classes + * + * @access private + * @link http://www.obj-sys.com/asn1tutorial/node10.html + */ + const TYPE_NUMERIC_STRING = 18; + const TYPE_PRINTABLE_STRING = 19; + const TYPE_TELETEX_STRING = 20; // T61String + const TYPE_VIDEOTEX_STRING = 21; + const TYPE_IA5_STRING = 22; + const TYPE_UTC_TIME = 23; + const TYPE_GENERALIZED_TIME = 24; + const TYPE_GRAPHIC_STRING = 25; + const TYPE_VISIBLE_STRING = 26; // ISO646String + const TYPE_GENERAL_STRING = 27; + const TYPE_UNIVERSAL_STRING = 28; + //const TYPE_CHARACTER_STRING = 29; + const TYPE_BMP_STRING = 30; + /**#@-*/ + + /**#@+ + * Tag Aliases + * + * These tags are kinda place holders for other tags. + * + * @access private + */ + const TYPE_CHOICE = -1; + const TYPE_ANY = -2; + /**#@-*/ + /** * ASN.1 object identifier * - * @var Array + * @var array * @access private * @link http://en.wikipedia.org/wiki/Object_identifier */ @@ -158,7 +113,7 @@ class File_ASN1 /** * Default date format * - * @var String + * @var string * @access private * @link http://php.net/class.datetime */ @@ -167,10 +122,10 @@ class File_ASN1 /** * Default date format * - * @var Array + * @var array * @access private - * @see File_ASN1::setTimeFormat() - * @see File_ASN1::asn1map() + * @see self::setTimeFormat() + * @see self::asn1map() * @link http://php.net/class.datetime */ var $encoded; @@ -178,47 +133,47 @@ class File_ASN1 /** * Filters * - * If the mapping type is FILE_ASN1_TYPE_ANY what do we actually encode it as? + * If the mapping type is self::TYPE_ANY what do we actually encode it as? * - * @var Array + * @var array * @access private - * @see File_ASN1::_encode_der() + * @see self::_encode_der() */ var $filters; /** * Type mapping table for the ANY type. * - * Structured or unknown types are mapped to a FILE_ASN1_Element. + * Structured or unknown types are mapped to a \phpseclib\File\ASN1\Element. * Unambiguous types get the direct mapping (int/real/bool). * Others are mapped as a choice, with an extra indexing level. * - * @var Array + * @var array * @access public */ var $ANYmap = array( - FILE_ASN1_TYPE_BOOLEAN => true, - FILE_ASN1_TYPE_INTEGER => true, - FILE_ASN1_TYPE_BIT_STRING => 'bitString', - FILE_ASN1_TYPE_OCTET_STRING => 'octetString', - FILE_ASN1_TYPE_NULL => 'null', - FILE_ASN1_TYPE_OBJECT_IDENTIFIER => 'objectIdentifier', - FILE_ASN1_TYPE_REAL => true, - FILE_ASN1_TYPE_ENUMERATED => 'enumerated', - FILE_ASN1_TYPE_UTF8_STRING => 'utf8String', - FILE_ASN1_TYPE_NUMERIC_STRING => 'numericString', - FILE_ASN1_TYPE_PRINTABLE_STRING => 'printableString', - FILE_ASN1_TYPE_TELETEX_STRING => 'teletexString', - FILE_ASN1_TYPE_VIDEOTEX_STRING => 'videotexString', - FILE_ASN1_TYPE_IA5_STRING => 'ia5String', - FILE_ASN1_TYPE_UTC_TIME => 'utcTime', - FILE_ASN1_TYPE_GENERALIZED_TIME => 'generalTime', - FILE_ASN1_TYPE_GRAPHIC_STRING => 'graphicString', - FILE_ASN1_TYPE_VISIBLE_STRING => 'visibleString', - FILE_ASN1_TYPE_GENERAL_STRING => 'generalString', - FILE_ASN1_TYPE_UNIVERSAL_STRING => 'universalString', - //FILE_ASN1_TYPE_CHARACTER_STRING => 'characterString', - FILE_ASN1_TYPE_BMP_STRING => 'bmpString' + self::TYPE_BOOLEAN => true, + self::TYPE_INTEGER => true, + self::TYPE_BIT_STRING => 'bitString', + self::TYPE_OCTET_STRING => 'octetString', + self::TYPE_NULL => 'null', + self::TYPE_OBJECT_IDENTIFIER => 'objectIdentifier', + self::TYPE_REAL => true, + self::TYPE_ENUMERATED => 'enumerated', + self::TYPE_UTF8_STRING => 'utf8String', + self::TYPE_NUMERIC_STRING => 'numericString', + self::TYPE_PRINTABLE_STRING => 'printableString', + self::TYPE_TELETEX_STRING => 'teletexString', + self::TYPE_VIDEOTEX_STRING => 'videotexString', + self::TYPE_IA5_STRING => 'ia5String', + self::TYPE_UTC_TIME => 'utcTime', + self::TYPE_GENERALIZED_TIME => 'generalTime', + self::TYPE_GRAPHIC_STRING => 'graphicString', + self::TYPE_VISIBLE_STRING => 'visibleString', + self::TYPE_GENERAL_STRING => 'generalString', + self::TYPE_UNIVERSAL_STRING => 'universalString', + //self::TYPE_CHARACTER_STRING => 'characterString', + self::TYPE_BMP_STRING => 'bmpString' ); /** @@ -227,47 +182,31 @@ class File_ASN1 * Non-convertable types are absent from this table. * size == 0 indicates variable length encoding. * - * @var Array + * @var array * @access public */ var $stringTypeSize = array( - FILE_ASN1_TYPE_UTF8_STRING => 0, - FILE_ASN1_TYPE_BMP_STRING => 2, - FILE_ASN1_TYPE_UNIVERSAL_STRING => 4, - FILE_ASN1_TYPE_PRINTABLE_STRING => 1, - FILE_ASN1_TYPE_TELETEX_STRING => 1, - FILE_ASN1_TYPE_IA5_STRING => 1, - FILE_ASN1_TYPE_VISIBLE_STRING => 1, + self::TYPE_UTF8_STRING => 0, + self::TYPE_BMP_STRING => 2, + self::TYPE_UNIVERSAL_STRING => 4, + self::TYPE_PRINTABLE_STRING => 1, + self::TYPE_TELETEX_STRING => 1, + self::TYPE_IA5_STRING => 1, + self::TYPE_VISIBLE_STRING => 1, ); - /** - * Default Constructor. - * - * @access public - */ - function File_ASN1() - { - static $static_init = null; - if (!$static_init) { - $static_init = true; - if (!class_exists('Math_BigInteger')) { - include_once 'Math/BigInteger.php'; - } - } - } - /** * Parse BER-encoding * * Serves a similar purpose to openssl's asn1parse * - * @param String $encoded - * @return Array + * @param string $encoded + * @return array * @access public */ function decodeBER($encoded) { - if (is_object($encoded) && strtolower(get_class($encoded)) == 'file_asn1_element') { + if ($encoded instanceof Element) { $encoded = $encoded->element; } @@ -280,19 +219,20 @@ class File_ASN1 * Parse BER-encoding (Helper function) * * Sometimes we want to get the BER encoding of a particular tag. $start lets us do that without having to reencode. - * $encoded is passed by reference for the recursive calls done for FILE_ASN1_TYPE_BIT_STRING and - * FILE_ASN1_TYPE_OCTET_STRING. In those cases, the indefinite length is used. + * $encoded is passed by reference for the recursive calls done for self::TYPE_BIT_STRING and + * self::TYPE_OCTET_STRING. In those cases, the indefinite length is used. * - * @param String $encoded - * @param Integer $start - * @return Array + * @param string $encoded + * @param int $start + * @param int $encoded_pos + * @return array * @access private */ - function _decode_ber($encoded, $start = 0) + function _decode_ber($encoded, $start = 0, $encoded_pos = 0) { $current = array('start' => $start); - $type = ord($this->_string_shift($encoded)); + $type = ord($encoded[$encoded_pos++]); $start++; $constructed = ($type >> 5) & 1; @@ -304,23 +244,24 @@ class File_ASN1 do { $loop = ord($encoded[0]) >> 7; $tag <<= 7; - $tag |= ord($this->_string_shift($encoded)) & 0x7F; + $tag |= ord($encoded[$encoded_pos++]) & 0x7F; $start++; - } while ( $loop ); + } while ($loop); } // Length, as discussed in paragraph 8.1.3 of X.690-0207.pdf#page=13 - $length = ord($this->_string_shift($encoded)); + $length = ord($encoded[$encoded_pos++]); $start++; - if ( $length == 0x80 ) { // indefinite length + if ($length == 0x80) { // indefinite length // "[A sender shall] use the indefinite form (see 8.1.3.6) if the encoding is constructed and is not all // immediately available." -- paragraph 8.1.3.2.c - $length = strlen($encoded); - } elseif ( $length & 0x80 ) { // definite length, long form + $length = strlen($encoded) - $encoded_pos; + } elseif ($length & 0x80) { // definite length, long form // technically, the long form of the length can be represented by up to 126 octets (bytes), but we'll only // support it up to four. $length&= 0x7F; - $temp = $this->_string_shift($encoded, $length); + $temp = substr($encoded, $encoded_pos, $length); + $encoded_pos += $length; // tags of indefinte length don't really have a header length; this length includes the tag $current+= array('headerlength' => $length + 2); $start+= $length; @@ -329,7 +270,12 @@ class File_ASN1 $current+= array('headerlength' => 2); } - $content = $this->_string_shift($encoded, $length); + if ($length > (strlen($encoded) - $encoded_pos)) { + return false; + } + + $content = substr($encoded, $encoded_pos, $length); + $content_pos = 0; // at this point $length can be overwritten. it's only accurate for definite length things as is @@ -344,9 +290,9 @@ class File_ASN1 -- http://www.obj-sys.com/asn1tutorial/node12.html */ $class = ($type >> 6) & 3; switch ($class) { - case FILE_ASN1_CLASS_APPLICATION: - case FILE_ASN1_CLASS_PRIVATE: - case FILE_ASN1_CLASS_CONTEXT_SPECIFIC: + case self::CLASS_APPLICATION: + case self::CLASS_PRIVATE: + case self::CLASS_CONTEXT_SPECIFIC: if (!$constructed) { return array( 'type' => $class, @@ -357,14 +303,21 @@ class File_ASN1 } $newcontent = array(); - if (strlen($content)) { - $newcontent = $this->_decode_ber($content, $start); - $length = $newcontent['length']; - if (substr($content, $length, 2) == "\0\0") { + $remainingLength = $length; + while ($remainingLength > 0) { + $temp = $this->_decode_ber($content, $start, $content_pos); + $length = $temp['length']; + // end-of-content octets - see paragraph 8.1.5 + if (substr($content, $content_pos + $length, 2) == "\0\0") { $length+= 2; + $start+= $length; + $newcontent[] = $temp; + break; } $start+= $length; - $newcontent = array($newcontent); + $remainingLength-= $length; + $newcontent[] = $temp; + $content_pos += $length; } return array( @@ -383,94 +336,96 @@ class File_ASN1 // decode UNIVERSAL tags switch ($tag) { - case FILE_ASN1_TYPE_BOOLEAN: + case self::TYPE_BOOLEAN: // "The contents octets shall consist of a single octet." -- paragraph 8.2.1 //if (strlen($content) != 1) { // return false; //} - $current['content'] = (bool) ord($content[0]); + $current['content'] = (bool) ord($content[$content_pos]); break; - case FILE_ASN1_TYPE_INTEGER: - case FILE_ASN1_TYPE_ENUMERATED: - $current['content'] = new Math_BigInteger($content, -256); + case self::TYPE_INTEGER: + case self::TYPE_ENUMERATED: + $current['content'] = new BigInteger(substr($content, $content_pos), -256); break; - case FILE_ASN1_TYPE_REAL: // not currently supported + case self::TYPE_REAL: // not currently supported return false; - case FILE_ASN1_TYPE_BIT_STRING: + case self::TYPE_BIT_STRING: // The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit, // the number of unused bits in the final subsequent octet. The number shall be in the range zero to // seven. if (!$constructed) { - $current['content'] = $content; + $current['content'] = substr($content, $content_pos); } else { - $temp = $this->_decode_ber($content, $start); - $length-= strlen($content); + $temp = $this->_decode_ber($content, $start, $content_pos); + $length-= (strlen($content) - $content_pos); $last = count($temp) - 1; for ($i = 0; $i < $last; $i++) { // all subtags should be bit strings - //if ($temp[$i]['type'] != FILE_ASN1_TYPE_BIT_STRING) { + //if ($temp[$i]['type'] != self::TYPE_BIT_STRING) { // return false; //} $current['content'].= substr($temp[$i]['content'], 1); } // all subtags should be bit strings - //if ($temp[$last]['type'] != FILE_ASN1_TYPE_BIT_STRING) { + //if ($temp[$last]['type'] != self::TYPE_BIT_STRING) { // return false; //} $current['content'] = $temp[$last]['content'][0] . $current['content'] . substr($temp[$i]['content'], 1); } break; - case FILE_ASN1_TYPE_OCTET_STRING: + case self::TYPE_OCTET_STRING: if (!$constructed) { - $current['content'] = $content; + $current['content'] = substr($content, $content_pos); } else { $current['content'] = ''; $length = 0; - while (substr($content, 0, 2) != "\0\0") { - $temp = $this->_decode_ber($content, $length + $start); - $this->_string_shift($content, $temp['length']); + while (substr($content, $content_pos, 2) != "\0\0") { + $temp = $this->_decode_ber($content, $length + $start, $content_pos); + $content_pos += $temp['length']; // all subtags should be octet strings - //if ($temp['type'] != FILE_ASN1_TYPE_OCTET_STRING) { + //if ($temp['type'] != self::TYPE_OCTET_STRING) { // return false; //} $current['content'].= $temp['content']; $length+= $temp['length']; } - if (substr($content, 0, 2) == "\0\0") { + if (substr($content, $content_pos, 2) == "\0\0") { $length+= 2; // +2 for the EOC } } break; - case FILE_ASN1_TYPE_NULL: + case self::TYPE_NULL: // "The contents octets shall not contain any octets." -- paragraph 8.8.2 //if (strlen($content)) { // return false; //} break; - case FILE_ASN1_TYPE_SEQUENCE: - case FILE_ASN1_TYPE_SET: + case self::TYPE_SEQUENCE: + case self::TYPE_SET: $offset = 0; $current['content'] = array(); - while (strlen($content)) { + $content_len = strlen($content); + while ($content_pos < $content_len) { // if indefinite length construction was used and we have an end-of-content string next // see paragraphs 8.1.1.3, 8.1.3.2, 8.1.3.6, 8.1.5, and (for an example) 8.6.4.2 - if (!isset($current['headerlength']) && substr($content, 0, 2) == "\0\0") { + if (!isset($current['headerlength']) && substr($content, $content_pos, 2) == "\0\0") { $length = $offset + 2; // +2 for the EOC break 2; } - $temp = $this->_decode_ber($content, $start + $offset); - $this->_string_shift($content, $temp['length']); + $temp = $this->_decode_ber($content, $start + $offset, $content_pos); + $content_pos += $temp['length']; $current['content'][] = $temp; $offset+= $temp['length']; } break; - case FILE_ASN1_TYPE_OBJECT_IDENTIFIER: - $temp = ord($this->_string_shift($content)); + case self::TYPE_OBJECT_IDENTIFIER: + $temp = ord($content[$content_pos++]); $current['content'] = sprintf('%d.%d', floor($temp / 40), $temp % 40); $valuen = 0; // process septets - while (strlen($content)) { - $temp = ord($this->_string_shift($content)); + $content_len = strlen($content); + while ($content_pos < $content_len) { + $temp = ord($content[$content_pos++]); $valuen <<= 7; $valuen |= $temp & 0x7F; if (~$temp & 0x80) { @@ -490,32 +445,32 @@ class File_ASN1 Per that, we're not going to do any validation. If there are any illegal characters in the string, we don't really care */ - case FILE_ASN1_TYPE_NUMERIC_STRING: + case self::TYPE_NUMERIC_STRING: // 0,1,2,3,4,5,6,7,8,9, and space - case FILE_ASN1_TYPE_PRINTABLE_STRING: + case self::TYPE_PRINTABLE_STRING: // Upper and lower case letters, digits, space, apostrophe, left/right parenthesis, plus sign, comma, // hyphen, full stop, solidus, colon, equal sign, question mark - case FILE_ASN1_TYPE_TELETEX_STRING: + case self::TYPE_TELETEX_STRING: // The Teletex character set in CCITT's T61, space, and delete // see http://en.wikipedia.org/wiki/Teletex#Character_sets - case FILE_ASN1_TYPE_VIDEOTEX_STRING: + case self::TYPE_VIDEOTEX_STRING: // The Videotex character set in CCITT's T.100 and T.101, space, and delete - case FILE_ASN1_TYPE_VISIBLE_STRING: + case self::TYPE_VISIBLE_STRING: // Printing character sets of international ASCII, and space - case FILE_ASN1_TYPE_IA5_STRING: + case self::TYPE_IA5_STRING: // International Alphabet 5 (International ASCII) - case FILE_ASN1_TYPE_GRAPHIC_STRING: + case self::TYPE_GRAPHIC_STRING: // All registered G sets, and space - case FILE_ASN1_TYPE_GENERAL_STRING: + case self::TYPE_GENERAL_STRING: // All registered C and G sets, space and delete - case FILE_ASN1_TYPE_UTF8_STRING: + case self::TYPE_UTF8_STRING: // ???? - case FILE_ASN1_TYPE_BMP_STRING: - $current['content'] = $content; + case self::TYPE_BMP_STRING: + $current['content'] = substr($content, $content_pos); break; - case FILE_ASN1_TYPE_UTC_TIME: - case FILE_ASN1_TYPE_GENERALIZED_TIME: - $current['content'] = $this->_decodeTime($content, $tag); + case self::TYPE_UTC_TIME: + case self::TYPE_GENERALIZED_TIME: + $current['content'] = $this->_decodeTime(substr($content, $content_pos), $tag); default: } @@ -532,10 +487,10 @@ class File_ASN1 * * "Special" mappings may be applied on a per tag-name basis via $special. * - * @param Array $decoded - * @param Array $mapping - * @param Array $special - * @return Array + * @param array $decoded + * @param array $mapping + * @param array $special + * @return array * @access public */ function asn1map($decoded, $mapping, $special = array()) @@ -545,24 +500,24 @@ class File_ASN1 } switch (true) { - case $mapping['type'] == FILE_ASN1_TYPE_ANY: + case $mapping['type'] == self::TYPE_ANY: $intype = $decoded['type']; - if (isset($decoded['constant']) || !isset($this->ANYmap[$intype]) || ($this->encoded[$decoded['start']] & 0x20)) { - return new File_ASN1_Element(substr($this->encoded, $decoded['start'], $decoded['length'])); + if (isset($decoded['constant']) || !isset($this->ANYmap[$intype]) || (ord($this->encoded[$decoded['start']]) & 0x20)) { + return new Element(substr($this->encoded, $decoded['start'], $decoded['length'])); } $inmap = $this->ANYmap[$intype]; if (is_string($inmap)) { return array($inmap => $this->asn1map($decoded, array('type' => $intype) + $mapping, $special)); } break; - case $mapping['type'] == FILE_ASN1_TYPE_CHOICE: + case $mapping['type'] == self::TYPE_CHOICE: foreach ($mapping['children'] as $key => $option) { switch (true) { case isset($option['constant']) && $option['constant'] == $decoded['constant']: case !isset($option['constant']) && $option['type'] == $decoded['type']: $value = $this->asn1map($decoded, $option, $special); break; - case !isset($option['constant']) && $option['type'] == FILE_ASN1_TYPE_CHOICE: + case !isset($option['constant']) && $option['type'] == self::TYPE_CHOICE: $v = $this->asn1map($decoded, $option, $special); if (isset($v)) { $value = $v; @@ -584,8 +539,8 @@ class File_ASN1 // if $decoded['type'] and $mapping['type'] are both strings, but different types of strings, // let it through switch (true) { - case $decoded['type'] < 18: // FILE_ASN1_TYPE_NUMERIC_STRING == 18 - case $decoded['type'] > 30: // FILE_ASN1_TYPE_BMP_STRING == 30 + case $decoded['type'] < 18: // self::TYPE_NUMERIC_STRING == 18 + case $decoded['type'] > 30: // self::TYPE_BMP_STRING == 30 case $mapping['type'] < 18: case $mapping['type'] > 30: return null; @@ -597,7 +552,7 @@ class File_ASN1 } switch ($decoded['type']) { - case FILE_ASN1_TYPE_SEQUENCE: + case self::TYPE_SEQUENCE: $map = array(); // ignore the min and max @@ -620,18 +575,18 @@ class File_ASN1 if ($maymatch) { $temp = $decoded['content'][$i]; - if ($child['type'] != FILE_ASN1_TYPE_CHOICE) { + if ($child['type'] != self::TYPE_CHOICE) { // Get the mapping and input class & constant. - $childClass = $tempClass = FILE_ASN1_CLASS_UNIVERSAL; + $childClass = $tempClass = self::CLASS_UNIVERSAL; $constant = null; if (isset($temp['constant'])) { - $tempClass = isset($temp['class']) ? $temp['class'] : FILE_ASN1_CLASS_CONTEXT_SPECIFIC; + $tempClass = isset($temp['class']) ? $temp['class'] : self::CLASS_CONTEXT_SPECIFIC; } if (isset($child['class'])) { $childClass = $child['class']; $constant = $child['cast']; } elseif (isset($child['constant'])) { - $childClass = FILE_ASN1_CLASS_CONTEXT_SPECIFIC; + $childClass = self::CLASS_CONTEXT_SPECIFIC; $constant = $child['constant']; } @@ -640,7 +595,7 @@ class File_ASN1 $maymatch = $constant == $temp['constant'] && $childClass == $tempClass; } else { // Can only match if no constant expected and type matches or is generic. - $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], FILE_ASN1_TYPE_ANY, FILE_ASN1_TYPE_CHOICE)) !== false; + $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], self::TYPE_ANY, self::TYPE_CHOICE)) !== false; } } } @@ -666,10 +621,10 @@ class File_ASN1 } // Fail mapping if all input items have not been consumed. - return $i < $n? null: $map; + return $i < $n ? null: $map; // the main diff between sets and sequences is the encapsulation of the foreach in another for loop - case FILE_ASN1_TYPE_SET: + case self::TYPE_SET: $map = array(); // ignore the min and max @@ -686,9 +641,9 @@ class File_ASN1 for ($i = 0; $i < count($decoded['content']); $i++) { $temp = $decoded['content'][$i]; - $tempClass = FILE_ASN1_CLASS_UNIVERSAL; + $tempClass = self::CLASS_UNIVERSAL; if (isset($temp['constant'])) { - $tempClass = isset($temp['class']) ? $temp['class'] : FILE_ASN1_CLASS_CONTEXT_SPECIFIC; + $tempClass = isset($temp['class']) ? $temp['class'] : self::CLASS_CONTEXT_SPECIFIC; } foreach ($mapping['children'] as $key => $child) { @@ -696,14 +651,14 @@ class File_ASN1 continue; } $maymatch = true; - if ($child['type'] != FILE_ASN1_TYPE_CHOICE) { - $childClass = FILE_ASN1_CLASS_UNIVERSAL; + if ($child['type'] != self::TYPE_CHOICE) { + $childClass = self::CLASS_UNIVERSAL; $constant = null; if (isset($child['class'])) { $childClass = $child['class']; $constant = $child['cast']; } elseif (isset($child['constant'])) { - $childClass = FILE_ASN1_CLASS_CONTEXT_SPECIFIC; + $childClass = self::CLASS_CONTEXT_SPECIFIC; $constant = $child['constant']; } @@ -712,7 +667,7 @@ class File_ASN1 $maymatch = $constant == $temp['constant'] && $childClass == $tempClass; } else { // Can only match if no constant expected and type matches or is generic. - $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], FILE_ASN1_TYPE_ANY, FILE_ASN1_TYPE_CHOICE)) !== false; + $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], self::TYPE_ANY, self::TYPE_CHOICE)) !== false; } } @@ -745,15 +700,15 @@ class File_ASN1 } } return $map; - case FILE_ASN1_TYPE_OBJECT_IDENTIFIER: + case self::TYPE_OBJECT_IDENTIFIER: return isset($this->oids[$decoded['content']]) ? $this->oids[$decoded['content']] : $decoded['content']; - case FILE_ASN1_TYPE_UTC_TIME: - case FILE_ASN1_TYPE_GENERALIZED_TIME: + case self::TYPE_UTC_TIME: + case self::TYPE_GENERALIZED_TIME: if (isset($mapping['implicit'])) { $decoded['content'] = $this->_decodeTime($decoded['content'], $decoded['type']); } return @date($this->format, $decoded['content']); - case FILE_ASN1_TYPE_BIT_STRING: + case self::TYPE_BIT_STRING: if (isset($mapping['mapping'])) { $offset = ord($decoded['content'][0]); $size = (strlen($decoded['content']) - 1) * 8 - $offset; @@ -782,29 +737,29 @@ class File_ASN1 } return $values; } - case FILE_ASN1_TYPE_OCTET_STRING: + case self::TYPE_OCTET_STRING: return base64_encode($decoded['content']); - case FILE_ASN1_TYPE_NULL: + case self::TYPE_NULL: return ''; - case FILE_ASN1_TYPE_BOOLEAN: + case self::TYPE_BOOLEAN: return $decoded['content']; - case FILE_ASN1_TYPE_NUMERIC_STRING: - case FILE_ASN1_TYPE_PRINTABLE_STRING: - case FILE_ASN1_TYPE_TELETEX_STRING: - case FILE_ASN1_TYPE_VIDEOTEX_STRING: - case FILE_ASN1_TYPE_IA5_STRING: - case FILE_ASN1_TYPE_GRAPHIC_STRING: - case FILE_ASN1_TYPE_VISIBLE_STRING: - case FILE_ASN1_TYPE_GENERAL_STRING: - case FILE_ASN1_TYPE_UNIVERSAL_STRING: - case FILE_ASN1_TYPE_UTF8_STRING: - case FILE_ASN1_TYPE_BMP_STRING: + case self::TYPE_NUMERIC_STRING: + case self::TYPE_PRINTABLE_STRING: + case self::TYPE_TELETEX_STRING: + case self::TYPE_VIDEOTEX_STRING: + case self::TYPE_IA5_STRING: + case self::TYPE_GRAPHIC_STRING: + case self::TYPE_VISIBLE_STRING: + case self::TYPE_GENERAL_STRING: + case self::TYPE_UNIVERSAL_STRING: + case self::TYPE_UTF8_STRING: + case self::TYPE_BMP_STRING: return $decoded['content']; - case FILE_ASN1_TYPE_INTEGER: - case FILE_ASN1_TYPE_ENUMERATED: + case self::TYPE_INTEGER: + case self::TYPE_ENUMERATED: $temp = $decoded['content']; if (isset($mapping['implicit'])) { - $temp = new Math_BigInteger($decoded['content'], -256); + $temp = new BigInteger($decoded['content'], -256); } if (isset($mapping['mapping'])) { $temp = (int) $temp->toString(); @@ -824,10 +779,10 @@ class File_ASN1 * * "Special" mappings can be applied via $special. * - * @param String $source - * @param String $mapping - * @param Integer $idx - * @return String + * @param string $source + * @param string $mapping + * @param int $idx + * @return string * @access public */ function encodeDER($source, $mapping, $special = array()) @@ -839,15 +794,15 @@ class File_ASN1 /** * ASN.1 Encode (Helper function) * - * @param String $source - * @param String $mapping - * @param Integer $idx - * @return String + * @param string $source + * @param string $mapping + * @param int $idx + * @return string * @access private */ function _encode_der($source, $mapping, $idx = null, $special = array()) { - if (is_object($source) && strtolower(get_class($source)) == 'file_asn1_element') { + if ($source instanceof Element) { return $source->element; } @@ -866,13 +821,13 @@ class File_ASN1 $tag = $mapping['type']; switch ($tag) { - case FILE_ASN1_TYPE_SET: // Children order is not important, thus process in sequence. - case FILE_ASN1_TYPE_SEQUENCE: + case self::TYPE_SET: // Children order is not important, thus process in sequence. + case self::TYPE_SEQUENCE: $tag|= 0x20; // set the constructed bit - $value = ''; // ignore the min and max if (isset($mapping['min']) && isset($mapping['max'])) { + $value = array(); $child = $mapping['children']; foreach ($source as $content) { @@ -880,13 +835,23 @@ class File_ASN1 if ($temp === false) { return false; } - $value.= $temp; + $value[]= $temp; } + /* "The encodings of the component values of a set-of value shall appear in ascending order, the encodings being compared + as octet strings with the shorter components being padded at their trailing end with 0-octets. + NOTE - The padding octets are for comparison purposes only and do not appear in the encodings." + + -- sec 11.6 of http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf */ + if ($mapping['type'] == self::TYPE_SET) { + sort($value); + } + $value = implode($value, ''); break; } + $value = ''; foreach ($mapping['children'] as $key => $child) { - if (!isset($source[$key])) { + if (!array_key_exists($key, $source)) { if (!isset($child['optional'])) { return false; } @@ -915,18 +880,18 @@ class File_ASN1 AUTOMATIC TAGS, but the type defined by "Type" is an untagged choice type, an untagged open type, or an untagged "DummyReference" (see ITU-T Rec. X.683 | ISO/IEC 8824-4, 8.3)." */ - if (isset($child['explicit']) || $child['type'] == FILE_ASN1_TYPE_CHOICE) { - $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); + if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) { + $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); $temp = $subtag . $this->_encodeLength(strlen($temp)) . $temp; } else { - $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); + $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); $temp = $subtag . substr($temp, 1); } } $value.= $temp; } break; - case FILE_ASN1_TYPE_CHOICE: + case self::TYPE_CHOICE: $temp = false; foreach ($mapping['children'] as $key => $child) { @@ -949,11 +914,11 @@ class File_ASN1 // if isset($child['constant']) is true then isset($child['optional']) should be true as well if (isset($child['constant'])) { - if (isset($child['explicit']) || $child['type'] == FILE_ASN1_TYPE_CHOICE) { - $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); + if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) { + $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); $temp = $subtag . $this->_encodeLength(strlen($temp)) . $temp; } else { - $subtag = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); + $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); $temp = $subtag . substr($temp, 1); } } @@ -968,11 +933,11 @@ class File_ASN1 } return $temp; - case FILE_ASN1_TYPE_INTEGER: - case FILE_ASN1_TYPE_ENUMERATED: + case self::TYPE_INTEGER: + case self::TYPE_ENUMERATED: if (!isset($mapping['mapping'])) { if (is_numeric($source)) { - $source = new Math_BigInteger($source); + $source = new BigInteger($source); } $value = $source->toBytes(true); } else { @@ -980,20 +945,20 @@ class File_ASN1 if ($value === false) { return false; } - $value = new Math_BigInteger($value); + $value = new BigInteger($value); $value = $value->toBytes(true); } if (!strlen($value)) { $value = chr(0); } break; - case FILE_ASN1_TYPE_UTC_TIME: - case FILE_ASN1_TYPE_GENERALIZED_TIME: - $format = $mapping['type'] == FILE_ASN1_TYPE_UTC_TIME ? 'y' : 'Y'; + case self::TYPE_UTC_TIME: + case self::TYPE_GENERALIZED_TIME: + $format = $mapping['type'] == self::TYPE_UTC_TIME ? 'y' : 'Y'; $format.= 'mdHis'; $value = @gmdate($format, strtotime($source)) . 'Z'; break; - case FILE_ASN1_TYPE_BIT_STRING: + case self::TYPE_BIT_STRING: if (isset($mapping['mapping'])) { $bits = array_fill(0, count($mapping['mapping']), 0); $size = 0; @@ -1025,14 +990,14 @@ class File_ASN1 break; } - case FILE_ASN1_TYPE_OCTET_STRING: + case self::TYPE_OCTET_STRING: /* The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit, the number of unused bits in the final subsequent octet. The number shall be in the range zero to seven. -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=16 */ $value = base64_decode($source); break; - case FILE_ASN1_TYPE_OBJECT_IDENTIFIER: + case self::TYPE_OBJECT_IDENTIFIER: $oid = preg_match('#(?:\d+\.)+#', $source) ? $source : array_search($source, $this->oids); if ($oid === false) { user_error('Invalid OID'); @@ -1055,7 +1020,7 @@ class File_ASN1 $value.= $temp; } break; - case FILE_ASN1_TYPE_ANY: + case self::TYPE_ANY: $loc = $this->location; if (isset($idx)) { array_pop($this->location); @@ -1063,21 +1028,21 @@ class File_ASN1 switch (true) { case !isset($source): - return $this->_encode_der(null, array('type' => FILE_ASN1_TYPE_NULL) + $mapping, null, $special); + return $this->_encode_der(null, array('type' => self::TYPE_NULL) + $mapping, null, $special); case is_int($source): - case is_object($source) && strtolower(get_class($source)) == 'math_biginteger': - return $this->_encode_der($source, array('type' => FILE_ASN1_TYPE_INTEGER) + $mapping, null, $special); + case $source instanceof BigInteger: + return $this->_encode_der($source, array('type' => self::TYPE_INTEGER) + $mapping, null, $special); case is_float($source): - return $this->_encode_der($source, array('type' => FILE_ASN1_TYPE_REAL) + $mapping, null, $special); + return $this->_encode_der($source, array('type' => self::TYPE_REAL) + $mapping, null, $special); case is_bool($source): - return $this->_encode_der($source, array('type' => FILE_ASN1_TYPE_BOOLEAN) + $mapping, null, $special); + return $this->_encode_der($source, array('type' => self::TYPE_BOOLEAN) + $mapping, null, $special); case is_array($source) && count($source) == 1: $typename = implode('', array_keys($source)); $outtype = array_search($typename, $this->ANYmap, true); if ($outtype !== false) { return $this->_encode_der($source[$typename], array('type' => $outtype) + $mapping, null, $special); } - } + } $filters = $this->filters; foreach ($loc as $part) { @@ -1092,23 +1057,23 @@ class File_ASN1 return false; } return $this->_encode_der($source, $filters + $mapping, null, $special); - case FILE_ASN1_TYPE_NULL: + case self::TYPE_NULL: $value = ''; break; - case FILE_ASN1_TYPE_NUMERIC_STRING: - case FILE_ASN1_TYPE_TELETEX_STRING: - case FILE_ASN1_TYPE_PRINTABLE_STRING: - case FILE_ASN1_TYPE_UNIVERSAL_STRING: - case FILE_ASN1_TYPE_UTF8_STRING: - case FILE_ASN1_TYPE_BMP_STRING: - case FILE_ASN1_TYPE_IA5_STRING: - case FILE_ASN1_TYPE_VISIBLE_STRING: - case FILE_ASN1_TYPE_VIDEOTEX_STRING: - case FILE_ASN1_TYPE_GRAPHIC_STRING: - case FILE_ASN1_TYPE_GENERAL_STRING: + case self::TYPE_NUMERIC_STRING: + case self::TYPE_TELETEX_STRING: + case self::TYPE_PRINTABLE_STRING: + case self::TYPE_UNIVERSAL_STRING: + case self::TYPE_UTF8_STRING: + case self::TYPE_BMP_STRING: + case self::TYPE_IA5_STRING: + case self::TYPE_VISIBLE_STRING: + case self::TYPE_VIDEOTEX_STRING: + case self::TYPE_GRAPHIC_STRING: + case self::TYPE_GENERAL_STRING: $value = $source; break; - case FILE_ASN1_TYPE_BOOLEAN: + case self::TYPE_BOOLEAN: $value = $source ? "\xFF" : "\x00"; break; default: @@ -1121,7 +1086,7 @@ class File_ASN1 } if (isset($mapping['cast'])) { - if (isset($mapping['explicit']) || $mapping['type'] == FILE_ASN1_TYPE_CHOICE) { + if (isset($mapping['explicit']) || $mapping['type'] == self::TYPE_CHOICE) { $value = chr($tag) . $this->_encodeLength(strlen($value)) . $value; $tag = ($mapping['class'] << 6) | 0x20 | $mapping['cast']; } else { @@ -1139,8 +1104,8 @@ class File_ASN1 * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. * * @access private - * @param Integer $length - * @return String + * @param int $length + * @return string */ function _encodeLength($length) { @@ -1158,9 +1123,9 @@ class File_ASN1 * Called by _decode_ber() and in the case of implicit tags asn1map(). * * @access private - * @param String $content - * @param Integer $tag - * @return String + * @param string $content + * @param int $tag + * @return string */ function _decodeTime($content, $tag) { @@ -1172,7 +1137,7 @@ class File_ASN1 http://tools.ietf.org/html/rfc5280#section-4.1.2.5.2 http://www.obj-sys.com/asn1tutorial/node14.html */ - $pattern = $tag == FILE_ASN1_TYPE_UTC_TIME ? + $pattern = $tag == self::TYPE_UTC_TIME ? '#(..)(..)(..)(..)(..)(..)(.*)#' : '#(....)(..)(..)(..)(..)(..).*([Z+-].*)$#'; @@ -1180,7 +1145,7 @@ class File_ASN1 list(, $year, $month, $day, $hour, $minute, $second, $timezone) = $matches; - if ($tag == FILE_ASN1_TYPE_UTC_TIME) { + if ($tag == self::TYPE_UTC_TIME) { $year = $year >= 50 ? "19$year" : "20$year"; } @@ -1207,7 +1172,7 @@ class File_ASN1 * Sets the time / date format for asn1map(). * * @access public - * @param String $format + * @param string $format */ function setTimeFormat($format) { @@ -1220,7 +1185,7 @@ class File_ASN1 * Load the relevant OIDs for a particular ASN.1 semantic mapping. * * @access public - * @param Array $oids + * @param array $oids */ function loadOIDs($oids) { @@ -1230,10 +1195,10 @@ class File_ASN1 /** * Load filters * - * See File_X509, etc, for an example. + * See \phpseclib\File\X509, etc, for an example. * * @access public - * @param Array $filters + * @param array $filters */ function loadFilters($filters) { @@ -1245,9 +1210,9 @@ class File_ASN1 * * Inspired by array_shift * - * @param String $string - * @param optional Integer $index - * @return String + * @param string $string + * @param int $index + * @return string * @access private */ function _string_shift(&$string, $index = 1) @@ -1263,13 +1228,13 @@ class File_ASN1 * This is a lazy conversion, dealing only with character size. * No real conversion table is used. * - * @param String $in - * @param optional Integer $from - * @param optional Integer $to - * @return String + * @param string $in + * @param int $from + * @param int $to + * @return string * @access public */ - function convert($in, $from = FILE_ASN1_TYPE_UTF8_STRING, $to = FILE_ASN1_TYPE_UTF8_STRING) + function convert($in, $from = self::TYPE_UTF8_STRING, $to = self::TYPE_UTF8_STRING) { if (!isset($this->stringTypeSize[$from]) || !isset($this->stringTypeSize[$to])) { return false; diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Element.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Element.php new file mode 100644 index 000000000..68246e2b5 --- /dev/null +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Element.php @@ -0,0 +1,47 @@ + + * @copyright 2012 Jim Wigginton + * @license http://www.opensource.org/licenses/mit-license.html MIT License + * @link http://phpseclib.sourceforge.net + */ + +namespace phpseclib\File\ASN1; + +/** + * ASN.1 Element + * + * Bypass normal encoding rules in phpseclib\File\ASN1::encodeDER() + * + * @package ASN1 + * @author Jim Wigginton + * @access public + */ +class Element +{ + /** + * Raw element value + * + * @var string + * @access private + */ + var $element; + + /** + * Constructor + * + * @param string $encoded + * @return \phpseclib\File\ASN1\Element + * @access public + */ + function __construct($encoded) + { + $this->element = $encoded; + } +} diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/X509.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/X509.php index 36a6287b9..863d9e991 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/File/X509.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/File/X509.php @@ -3,7 +3,7 @@ /** * Pure-PHP X.509 Parser * - * PHP versions 4 and 5 + * PHP version 5 * * Encode and decode X.509 certificates. * @@ -16,123 +16,112 @@ * be encoded. It can be encoded explicitly or left out all together. This would effect the signature value and thus may invalidate the * the certificate all together unless the certificate is re-signed. * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category File - * @package File_X509 + * @package X509 * @author Jim Wigginton * @copyright 2012 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include File_ASN1 - */ -if (!class_exists('File_ASN1')) { - include_once 'ASN1.php'; -} +namespace phpseclib\File; -/** - * Flag to only accept signatures signed by certificate authorities - * - * Not really used anymore but retained all the same to suppress E_NOTICEs from old installs - * - * @access public - */ -define('FILE_X509_VALIDATE_SIGNATURE_BY_CA', 1); - -/**#@+ - * @access public - * @see File_X509::getDN() - */ -/** - * Return internal array representation - */ -define('FILE_X509_DN_ARRAY', 0); -/** - * Return string - */ -define('FILE_X509_DN_STRING', 1); -/** - * Return ASN.1 name string - */ -define('FILE_X509_DN_ASN1', 2); -/** - * Return OpenSSL compatible array - */ -define('FILE_X509_DN_OPENSSL', 3); -/** - * Return canonical ASN.1 RDNs string - */ -define('FILE_X509_DN_CANON', 4); -/** - * Return name hash for file indexing - */ -define('FILE_X509_DN_HASH', 5); -/**#@-*/ - -/**#@+ - * @access public - * @see File_X509::saveX509() - * @see File_X509::saveCSR() - * @see File_X509::saveCRL() - */ -/** - * Save as PEM - * - * ie. a base64-encoded PEM with a header and a footer - */ -define('FILE_X509_FORMAT_PEM', 0); -/** - * Save as DER - */ -define('FILE_X509_FORMAT_DER', 1); -/** - * Save as a SPKAC - * - * Only works on CSRs. Not currently supported. - */ -define('FILE_X509_FORMAT_SPKAC', 2); -/**#@-*/ - -/** - * Attribute value disposition. - * If disposition is >= 0, this is the index of the target value. - */ -define('FILE_X509_ATTR_ALL', -1); // All attribute values (array). -define('FILE_X509_ATTR_APPEND', -2); // Add a value. -define('FILE_X509_ATTR_REPLACE', -3); // Clear first, then add a value. +use phpseclib\Crypt\Hash; +use phpseclib\Crypt\Random; +use phpseclib\Crypt\RSA; +use phpseclib\File\ASN1\Element; +use phpseclib\Math\BigInteger; /** * Pure-PHP X.509 Parser * - * @package File_X509 + * @package X509 * @author Jim Wigginton * @access public */ -class File_X509 +class X509 { + /** + * Flag to only accept signatures signed by certificate authorities + * + * Not really used anymore but retained all the same to suppress E_NOTICEs from old installs + * + * @access public + */ + const VALIDATE_SIGNATURE_BY_CA = 1; + + /**#@+ + * @access public + * @see \phpseclib\File\X509::getDN() + */ + /** + * Return internal array representation + */ + const DN_ARRAY = 0; + /** + * Return string + */ + const DN_STRING = 1; + /** + * Return ASN.1 name string + */ + const DN_ASN1 = 2; + /** + * Return OpenSSL compatible array + */ + const DN_OPENSSL = 3; + /** + * Return canonical ASN.1 RDNs string + */ + const DN_CANON = 4; + /** + * Return name hash for file indexing + */ + const DN_HASH = 5; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\File\X509::saveX509() + * @see \phpseclib\File\X509::saveCSR() + * @see \phpseclib\File\X509::saveCRL() + */ + /** + * Save as PEM + * + * ie. a base64-encoded PEM with a header and a footer + */ + const FORMAT_PEM = 0; + /** + * Save as DER + */ + const FORMAT_DER = 1; + /** + * Save as a SPKAC + * + * Only works on CSRs. Not currently supported. + */ + const FORMAT_SPKAC = 2; + /** + * Auto-detect the format + * + * Used only by the load*() functions + */ + const FORMAT_AUTO_DETECT = 3; + /**#@-*/ + + /** + * Attribute value disposition. + * If disposition is >= 0, this is the index of the target value. + */ + const ATTR_ALL = -1; // All attribute values (array). + const ATTR_APPEND = -2; // Add a value. + const ATTR_REPLACE = -3; // Clear first, then add a value. + /** * ASN.1 syntax for X.509 certificates * - * @var Array + * @var array * @access private */ var $Certificate; @@ -155,6 +144,7 @@ class File_X509 var $CertificatePolicies; var $AuthorityInfoAccessSyntax; var $SubjectAltName; + var $SubjectDirectoryAttributes; var $PrivateKeyUsagePeriod; var $IssuerAltName; var $PolicyMappings; @@ -178,10 +168,18 @@ class File_X509 var $SignedPublicKeyAndChallenge; /**#@-*/ + /**#@+ + * ASN.1 syntax for various DN attributes + * + * @access private + */ + var $PostalAddress; + /**#@-*/ + /** * ASN.1 syntax for Certificate Signing Requests (RFC2986) * - * @var Array + * @var array * @access private */ var $CertificationRequest; @@ -189,7 +187,7 @@ class File_X509 /** * ASN.1 syntax for Certificate Revocation Lists (RFC5280) * - * @var Array + * @var array * @access private */ var $CertificateList; @@ -197,7 +195,7 @@ class File_X509 /** * Distinguished Name * - * @var Array + * @var array * @access private */ var $dn; @@ -205,7 +203,7 @@ class File_X509 /** * Public key * - * @var String + * @var string * @access private */ var $publicKey; @@ -213,7 +211,7 @@ class File_X509 /** * Private key * - * @var String + * @var string * @access private */ var $privateKey; @@ -221,7 +219,7 @@ class File_X509 /** * Object identifiers for X.509 certificates * - * @var Array + * @var array * @access private * @link http://en.wikipedia.org/wiki/Object_identifier */ @@ -230,7 +228,7 @@ class File_X509 /** * The certificate authorities * - * @var Array + * @var array * @access private */ var $CAs; @@ -238,7 +236,7 @@ class File_X509 /** * The currently loaded certificate * - * @var Array + * @var array * @access private */ var $currentCert; @@ -246,10 +244,10 @@ class File_X509 /** * The signature subject * - * There's no guarantee File_X509 is going to reencode an X.509 cert in the same way it was originally + * There's no guarantee \phpseclib\File\X509 is going to re-encode an X.509 cert in the same way it was originally * encoded so we take save the portion of the original cert that the signature would have made for. * - * @var String + * @var string * @access private */ var $signatureSubject; @@ -257,7 +255,7 @@ class File_X509 /** * Certificate Start Date * - * @var String + * @var string * @access private */ var $startDate; @@ -265,7 +263,7 @@ class File_X509 /** * Certificate End Date * - * @var String + * @var string * @access private */ var $endDate; @@ -273,7 +271,7 @@ class File_X509 /** * Serial Number * - * @var String + * @var string * @access private */ var $serialNumber; @@ -284,7 +282,7 @@ class File_X509 * See {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.1 RFC5280#section-4.2.1.1} and * {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.2 RFC5280#section-4.2.1.2}. * - * @var String + * @var string * @access private */ var $currentKeyIdentifier; @@ -292,7 +290,7 @@ class File_X509 /** * CA Flag * - * @var Boolean + * @var bool * @access private */ var $caFlag = false; @@ -300,7 +298,7 @@ class File_X509 /** * SPKAC Challenge * - * @var String + * @var string * @access private */ var $challenge; @@ -308,43 +306,39 @@ class File_X509 /** * Default Constructor. * - * @return File_X509 + * @return \phpseclib\File\X509 * @access public */ - function File_X509() + function __construct() { - if (!class_exists('Math_BigInteger')) { - include_once 'Math/BigInteger.php'; - } - // Explicitly Tagged Module, 1988 Syntax // http://tools.ietf.org/html/rfc5280#appendix-A.1 $this->DirectoryString = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( - 'teletexString' => array('type' => FILE_ASN1_TYPE_TELETEX_STRING), - 'printableString' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING), - 'universalString' => array('type' => FILE_ASN1_TYPE_UNIVERSAL_STRING), - 'utf8String' => array('type' => FILE_ASN1_TYPE_UTF8_STRING), - 'bmpString' => array('type' => FILE_ASN1_TYPE_BMP_STRING) + 'teletexString' => array('type' => ASN1::TYPE_TELETEX_STRING), + 'printableString' => array('type' => ASN1::TYPE_PRINTABLE_STRING), + 'universalString' => array('type' => ASN1::TYPE_UNIVERSAL_STRING), + 'utf8String' => array('type' => ASN1::TYPE_UTF8_STRING), + 'bmpString' => array('type' => ASN1::TYPE_BMP_STRING) ) ); $this->PKCS9String = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( - 'ia5String' => array('type' => FILE_ASN1_TYPE_IA5_STRING), + 'ia5String' => array('type' => ASN1::TYPE_IA5_STRING), 'directoryString' => $this->DirectoryString ) ); - $this->AttributeValue = array('type' => FILE_ASN1_TYPE_ANY); + $this->AttributeValue = array('type' => ASN1::TYPE_ANY); - $AttributeType = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER); + $AttributeType = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); $AttributeTypeAndValue = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'type' => $AttributeType, 'value'=> $this->AttributeValue @@ -359,7 +353,7 @@ class File_X509 - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName */ $this->RelativeDistinguishedName = array( - 'type' => FILE_ASN1_TYPE_SET, + 'type' => ASN1::TYPE_SET, 'min' => 1, 'max' => -1, 'children' => $AttributeTypeAndValue @@ -367,7 +361,7 @@ class File_X509 // http://tools.ietf.org/html/rfc5280#section-4.1.2.4 $RDNSequence = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, // RDNSequence does not define a min or a max, which means it doesn't have one 'min' => 0, 'max' => -1, @@ -375,7 +369,7 @@ class File_X509 ); $this->Name = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( 'rdnSequence' => $RDNSequence ) @@ -383,11 +377,11 @@ class File_X509 // http://tools.ietf.org/html/rfc5280#section-4.1.1.2 $AlgorithmIdentifier = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( - 'algorithm' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER), + 'algorithm' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), 'parameters' => array( - 'type' => FILE_ASN1_TYPE_ANY, + 'type' => ASN1::TYPE_ANY, 'optional' => true ) ) @@ -401,20 +395,20 @@ class File_X509 http://tools.ietf.org/html/rfc5280#section-4.2 */ $Extension = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( - 'extnId' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER), + 'extnId' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), 'critical' => array( - 'type' => FILE_ASN1_TYPE_BOOLEAN, + 'type' => ASN1::TYPE_BOOLEAN, 'optional' => true, 'default' => false ), - 'extnValue' => array('type' => FILE_ASN1_TYPE_OCTET_STRING) + 'extnValue' => array('type' => ASN1::TYPE_OCTET_STRING) ) ); $this->Extensions = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, // technically, it's MAX, but we'll assume anything < 0 is MAX 'max' => -1, @@ -423,42 +417,42 @@ class File_X509 ); $SubjectPublicKeyInfo = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'algorithm' => $AlgorithmIdentifier, - 'subjectPublicKey' => array('type' => FILE_ASN1_TYPE_BIT_STRING) + 'subjectPublicKey' => array('type' => ASN1::TYPE_BIT_STRING) ) ); - $UniqueIdentifier = array('type' => FILE_ASN1_TYPE_BIT_STRING); + $UniqueIdentifier = array('type' => ASN1::TYPE_BIT_STRING); $Time = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( - 'utcTime' => array('type' => FILE_ASN1_TYPE_UTC_TIME), - 'generalTime' => array('type' => FILE_ASN1_TYPE_GENERALIZED_TIME) + 'utcTime' => array('type' => ASN1::TYPE_UTC_TIME), + 'generalTime' => array('type' => ASN1::TYPE_GENERALIZED_TIME) ) ); // http://tools.ietf.org/html/rfc5280#section-4.1.2.5 $Validity = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'notBefore' => $Time, 'notAfter' => $Time ) ); - $CertificateSerialNumber = array('type' => FILE_ASN1_TYPE_INTEGER); + $CertificateSerialNumber = array('type' => ASN1::TYPE_INTEGER); $Version = array( - 'type' => FILE_ASN1_TYPE_INTEGER, + 'type' => ASN1::TYPE_INTEGER, 'mapping' => array('v1', 'v2', 'v3') ); // assert($TBSCertificate['children']['signature'] == $Certificate['children']['signatureAlgorithm']) $TBSCertificate = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( // technically, default implies optional, but we'll define it as being optional, none-the-less, just to // reenforce that fact @@ -496,16 +490,16 @@ class File_X509 ); $this->Certificate = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'tbsCertificate' => $TBSCertificate, 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING) + 'signature' => array('type' => ASN1::TYPE_BIT_STRING) ) ); $this->KeyUsage = array( - 'type' => FILE_ASN1_TYPE_BIT_STRING, + 'type' => ASN1::TYPE_BIT_STRING, 'mapping' => array( 'digitalSignature', 'nonRepudiation', @@ -520,52 +514,52 @@ class File_X509 ); $this->BasicConstraints = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'cA' => array( - 'type' => FILE_ASN1_TYPE_BOOLEAN, + 'type' => ASN1::TYPE_BOOLEAN, 'optional' => true, 'default' => false ), 'pathLenConstraint' => array( - 'type' => FILE_ASN1_TYPE_INTEGER, + 'type' => ASN1::TYPE_INTEGER, 'optional' => true ) ) ); - $this->KeyIdentifier = array('type' => FILE_ASN1_TYPE_OCTET_STRING); + $this->KeyIdentifier = array('type' => ASN1::TYPE_OCTET_STRING); $OrganizationalUnitNames = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => 4, // ub-organizational-units - 'children' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING) + 'children' => array('type' => ASN1::TYPE_PRINTABLE_STRING) ); $PersonalName = array( - 'type' => FILE_ASN1_TYPE_SET, + 'type' => ASN1::TYPE_SET, 'children' => array( 'surname' => array( - 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING, + 'type' => ASN1::TYPE_PRINTABLE_STRING, 'constant' => 0, 'optional' => true, 'implicit' => true ), 'given-name' => array( - 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING, + 'type' => ASN1::TYPE_PRINTABLE_STRING, 'constant' => 1, 'optional' => true, 'implicit' => true ), 'initials' => array( - 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING, + 'type' => ASN1::TYPE_PRINTABLE_STRING, 'constant' => 2, 'optional' => true, 'implicit' => true ), 'generation-qualifier' => array( - 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING, + 'type' => ASN1::TYPE_PRINTABLE_STRING, 'constant' => 3, 'optional' => true, 'implicit' => true @@ -573,52 +567,52 @@ class File_X509 ) ); - $NumericUserIdentifier = array('type' => FILE_ASN1_TYPE_NUMERIC_STRING); + $NumericUserIdentifier = array('type' => ASN1::TYPE_NUMERIC_STRING); - $OrganizationName = array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING); + $OrganizationName = array('type' => ASN1::TYPE_PRINTABLE_STRING); $PrivateDomainName = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( - 'numeric' => array('type' => FILE_ASN1_TYPE_NUMERIC_STRING), - 'printable' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING) + 'numeric' => array('type' => ASN1::TYPE_NUMERIC_STRING), + 'printable' => array('type' => ASN1::TYPE_PRINTABLE_STRING) ) ); - $TerminalIdentifier = array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING); + $TerminalIdentifier = array('type' => ASN1::TYPE_PRINTABLE_STRING); - $NetworkAddress = array('type' => FILE_ASN1_TYPE_NUMERIC_STRING); + $NetworkAddress = array('type' => ASN1::TYPE_NUMERIC_STRING); $AdministrationDomainName = array( - 'type' => FILE_ASN1_TYPE_CHOICE, - // if class isn't present it's assumed to be FILE_ASN1_CLASS_UNIVERSAL or - // (if constant is present) FILE_ASN1_CLASS_CONTEXT_SPECIFIC - 'class' => FILE_ASN1_CLASS_APPLICATION, + 'type' => ASN1::TYPE_CHOICE, + // if class isn't present it's assumed to be \phpseclib\File\ASN1::CLASS_UNIVERSAL or + // (if constant is present) \phpseclib\File\ASN1::CLASS_CONTEXT_SPECIFIC + 'class' => ASN1::CLASS_APPLICATION, 'cast' => 2, 'children' => array( - 'numeric' => array('type' => FILE_ASN1_TYPE_NUMERIC_STRING), - 'printable' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING) + 'numeric' => array('type' => ASN1::TYPE_NUMERIC_STRING), + 'printable' => array('type' => ASN1::TYPE_PRINTABLE_STRING) ) ); $CountryName = array( - 'type' => FILE_ASN1_TYPE_CHOICE, - // if class isn't present it's assumed to be FILE_ASN1_CLASS_UNIVERSAL or - // (if constant is present) FILE_ASN1_CLASS_CONTEXT_SPECIFIC - 'class' => FILE_ASN1_CLASS_APPLICATION, + 'type' => ASN1::TYPE_CHOICE, + // if class isn't present it's assumed to be \phpseclib\File\ASN1::CLASS_UNIVERSAL or + // (if constant is present) \phpseclib\File\ASN1::CLASS_CONTEXT_SPECIFIC + 'class' => ASN1::CLASS_APPLICATION, 'cast' => 1, 'children' => array( - 'x121-dcc-code' => array('type' => FILE_ASN1_TYPE_NUMERIC_STRING), - 'iso-3166-alpha2-code' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING) + 'x121-dcc-code' => array('type' => ASN1::TYPE_NUMERIC_STRING), + 'iso-3166-alpha2-code' => array('type' => ASN1::TYPE_PRINTABLE_STRING) ) ); $AnotherName = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( - 'type-id' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER), + 'type-id' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), 'value' => array( - 'type' => FILE_ASN1_TYPE_ANY, + 'type' => ASN1::TYPE_ANY, 'constant' => 0, 'optional' => true, 'explicit' => true @@ -627,16 +621,16 @@ class File_X509 ); $ExtensionAttribute = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'extension-attribute-type' => array( - 'type' => FILE_ASN1_TYPE_PRINTABLE_STRING, + 'type' => ASN1::TYPE_PRINTABLE_STRING, 'constant' => 0, 'optional' => true, 'implicit' => true ), 'extension-attribute-value' => array( - 'type' => FILE_ASN1_TYPE_ANY, + 'type' => ASN1::TYPE_ANY, 'constant' => 1, 'optional' => true, 'explicit' => true @@ -645,29 +639,29 @@ class File_X509 ); $ExtensionAttributes = array( - 'type' => FILE_ASN1_TYPE_SET, + 'type' => ASN1::TYPE_SET, 'min' => 1, 'max' => 256, // ub-extension-attributes 'children' => $ExtensionAttribute ); $BuiltInDomainDefinedAttribute = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( - 'type' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING), - 'value' => array('type' => FILE_ASN1_TYPE_PRINTABLE_STRING) + 'type' => array('type' => ASN1::TYPE_PRINTABLE_STRING), + 'value' => array('type' => ASN1::TYPE_PRINTABLE_STRING) ) ); $BuiltInDomainDefinedAttributes = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => 4, // ub-domain-defined-attributes 'children' => $BuiltInDomainDefinedAttribute ); $BuiltInStandardAttributes = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'country-name' => array('optional' => true) + $CountryName, 'administration-domain-name' => array('optional' => true) + $AdministrationDomainName, @@ -710,7 +704,7 @@ class File_X509 ); $ORAddress = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'built-in-standard-attributes' => $BuiltInStandardAttributes, 'built-in-domain-defined-attributes' => array('optional' => true) + $BuiltInDomainDefinedAttributes, @@ -719,14 +713,14 @@ class File_X509 ); $EDIPartyName = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'nameAssigner' => array( 'constant' => 0, 'optional' => true, 'implicit' => true ) + $this->DirectoryString, - // partyName is technically required but File_ASN1 doesn't currently support non-optional constants and + // partyName is technically required but \phpseclib\File\ASN1 doesn't currently support non-optional constants and // setting it to optional gets the job done in any event. 'partyName' => array( 'constant' => 1, @@ -737,7 +731,7 @@ class File_X509 ); $GeneralName = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( 'otherName' => array( 'constant' => 0, @@ -745,13 +739,13 @@ class File_X509 'implicit' => true ) + $AnotherName, 'rfc822Name' => array( - 'type' => FILE_ASN1_TYPE_IA5_STRING, + 'type' => ASN1::TYPE_IA5_STRING, 'constant' => 1, 'optional' => true, 'implicit' => true ), 'dNSName' => array( - 'type' => FILE_ASN1_TYPE_IA5_STRING, + 'type' => ASN1::TYPE_IA5_STRING, 'constant' => 2, 'optional' => true, 'implicit' => true @@ -772,19 +766,19 @@ class File_X509 'implicit' => true ) + $EDIPartyName, 'uniformResourceIdentifier' => array( - 'type' => FILE_ASN1_TYPE_IA5_STRING, + 'type' => ASN1::TYPE_IA5_STRING, 'constant' => 6, 'optional' => true, 'implicit' => true ), 'iPAddress' => array( - 'type' => FILE_ASN1_TYPE_OCTET_STRING, + 'type' => ASN1::TYPE_OCTET_STRING, 'constant' => 7, 'optional' => true, 'implicit' => true ), 'registeredID' => array( - 'type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER, + 'type' => ASN1::TYPE_OBJECT_IDENTIFIER, 'constant' => 8, 'optional' => true, 'implicit' => true @@ -793,7 +787,7 @@ class File_X509 ); $GeneralNames = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => $GeneralName @@ -802,7 +796,7 @@ class File_X509 $this->IssuerAltName = $GeneralNames; $ReasonFlags = array( - 'type' => FILE_ASN1_TYPE_BIT_STRING, + 'type' => ASN1::TYPE_BIT_STRING, 'mapping' => array( 'unused', 'keyCompromise', @@ -817,7 +811,7 @@ class File_X509 ); $DistributionPointName = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( 'fullName' => array( 'constant' => 0, @@ -833,7 +827,7 @@ class File_X509 ); $DistributionPoint = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'distributionPoint' => array( 'constant' => 0, @@ -854,14 +848,14 @@ class File_X509 ); $this->CRLDistributionPoints = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => $DistributionPoint ); $this->AuthorityKeyIdentifier = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'keyIdentifier' => array( 'constant' => 0, @@ -881,24 +875,24 @@ class File_X509 ) ); - $PolicyQualifierId = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER); + $PolicyQualifierId = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); $PolicyQualifierInfo = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'policyQualifierId' => $PolicyQualifierId, - 'qualifier' => array('type' => FILE_ASN1_TYPE_ANY) + 'qualifier' => array('type' => ASN1::TYPE_ANY) ) ); - $CertPolicyId = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER); + $CertPolicyId = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); $PolicyInformation = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'policyIdentifier' => $CertPolicyId, 'policyQualifiers' => array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 0, 'max' => -1, 'optional' => true, @@ -908,18 +902,18 @@ class File_X509 ); $this->CertificatePolicies = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => $PolicyInformation ); $this->PolicyMappings = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'issuerDomainPolicy' => $CertPolicyId, 'subjectDomainPolicy' => $CertPolicyId @@ -927,25 +921,25 @@ class File_X509 ) ); - $KeyPurposeId = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER); + $KeyPurposeId = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); $this->ExtKeyUsageSyntax = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => $KeyPurposeId ); $AccessDescription = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( - 'accessMethod' => array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER), + 'accessMethod' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), 'accessLocation' => $GeneralName ) ); $this->AuthorityInfoAccessSyntax = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => $AccessDescription @@ -954,32 +948,32 @@ class File_X509 $this->SubjectAltName = $GeneralNames; $this->PrivateKeyUsagePeriod = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'notBefore' => array( 'constant' => 0, 'optional' => true, 'implicit' => true, - 'type' => FILE_ASN1_TYPE_GENERALIZED_TIME), + 'type' => ASN1::TYPE_GENERALIZED_TIME), 'notAfter' => array( 'constant' => 1, 'optional' => true, 'implicit' => true, - 'type' => FILE_ASN1_TYPE_GENERALIZED_TIME) + 'type' => ASN1::TYPE_GENERALIZED_TIME) ) ); - $BaseDistance = array('type' => FILE_ASN1_TYPE_INTEGER); + $BaseDistance = array('type' => ASN1::TYPE_INTEGER); $GeneralSubtree = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'base' => $GeneralName, 'minimum' => array( 'constant' => 0, 'optional' => true, 'implicit' => true, - 'default' => new Math_BigInteger(0) + 'default' => new BigInteger(0) ) + $BaseDistance, 'maximum' => array( 'constant' => 1, @@ -990,14 +984,14 @@ class File_X509 ); $GeneralSubtrees = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => -1, 'children' => $GeneralSubtree ); $this->NameConstraints = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'permittedSubtrees' => array( 'constant' => 0, @@ -1012,33 +1006,33 @@ class File_X509 ) ); - $this->CPSuri = array('type' => FILE_ASN1_TYPE_IA5_STRING); + $this->CPSuri = array('type' => ASN1::TYPE_IA5_STRING); $DisplayText = array( - 'type' => FILE_ASN1_TYPE_CHOICE, + 'type' => ASN1::TYPE_CHOICE, 'children' => array( - 'ia5String' => array('type' => FILE_ASN1_TYPE_IA5_STRING), - 'visibleString' => array('type' => FILE_ASN1_TYPE_VISIBLE_STRING), - 'bmpString' => array('type' => FILE_ASN1_TYPE_BMP_STRING), - 'utf8String' => array('type' => FILE_ASN1_TYPE_UTF8_STRING) + 'ia5String' => array('type' => ASN1::TYPE_IA5_STRING), + 'visibleString' => array('type' => ASN1::TYPE_VISIBLE_STRING), + 'bmpString' => array('type' => ASN1::TYPE_BMP_STRING), + 'utf8String' => array('type' => ASN1::TYPE_UTF8_STRING) ) ); $NoticeReference = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'organization' => $DisplayText, 'noticeNumbers' => array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'min' => 1, 'max' => 200, - 'children' => array('type' => FILE_ASN1_TYPE_INTEGER) + 'children' => array('type' => ASN1::TYPE_INTEGER) ) ) ); $this->UserNotice = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'noticeRef' => array( 'optional' => true, @@ -1053,7 +1047,7 @@ class File_X509 // mapping is from $this->netscape_cert_type = array( - 'type' => FILE_ASN1_TYPE_BIT_STRING, + 'type' => ASN1::TYPE_BIT_STRING, 'mapping' => array( 'SSLClient', 'SSLServer', @@ -1066,17 +1060,17 @@ class File_X509 ) ); - $this->netscape_comment = array('type' => FILE_ASN1_TYPE_IA5_STRING); - $this->netscape_ca_policy_url = array('type' => FILE_ASN1_TYPE_IA5_STRING); + $this->netscape_comment = array('type' => ASN1::TYPE_IA5_STRING); + $this->netscape_ca_policy_url = array('type' => ASN1::TYPE_IA5_STRING); // attribute is used in RFC2986 but we're using the RFC5280 definition $Attribute = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'type' => $AttributeType, 'value'=> array( - 'type' => FILE_ASN1_TYPE_SET, + 'type' => ASN1::TYPE_SET, 'min' => 1, 'max' => -1, 'children' => $this->AttributeValue @@ -1084,20 +1078,27 @@ class File_X509 ) ); + $this->SubjectDirectoryAttributes = array( + 'type' => ASN1::TYPE_SEQUENCE, + 'min' => 1, + 'max' => -1, + 'children' => $Attribute + ); + // adapted from $Attributes = array( - 'type' => FILE_ASN1_TYPE_SET, + 'type' => ASN1::TYPE_SET, 'min' => 1, 'max' => -1, 'children' => $Attribute ); $CertificationRequestInfo = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'version' => array( - 'type' => FILE_ASN1_TYPE_INTEGER, + 'type' => ASN1::TYPE_INTEGER, 'mapping' => array('v1') ), 'subject' => $this->Name, @@ -1111,16 +1112,16 @@ class File_X509 ); $this->CertificationRequest = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'certificationRequestInfo' => $CertificationRequestInfo, 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING) + 'signature' => array('type' => ASN1::TYPE_BIT_STRING) ) ); $RevokedCertificate = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'userCertificate' => $CertificateSerialNumber, 'revocationDate' => $Time, @@ -1131,7 +1132,7 @@ class File_X509 ); $TBSCertList = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'version' => array( 'optional' => true, @@ -1144,7 +1145,7 @@ class File_X509 'optional' => true ) + $Time, 'revokedCertificates' => array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'optional' => true, 'min' => 0, 'max' => -1, @@ -1159,17 +1160,17 @@ class File_X509 ); $this->CertificateList = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'tbsCertList' => $TBSCertList, 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING) + 'signature' => array('type' => ASN1::TYPE_BIT_STRING) ) ); - $this->CRLNumber = array('type' => FILE_ASN1_TYPE_INTEGER); + $this->CRLNumber = array('type' => ASN1::TYPE_INTEGER); - $this->CRLReason = array('type' => FILE_ASN1_TYPE_ENUMERATED, + $this->CRLReason = array('type' => ASN1::TYPE_ENUMERATED, 'mapping' => array( 'unspecified', 'keyCompromise', @@ -1185,7 +1186,7 @@ class File_X509 ) ); - $this->IssuingDistributionPoint = array('type' => FILE_ASN1_TYPE_SEQUENCE, + $this->IssuingDistributionPoint = array('type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'distributionPoint' => array( 'constant' => 0, @@ -1193,14 +1194,14 @@ class File_X509 'explicit' => true ) + $DistributionPointName, 'onlyContainsUserCerts' => array( - 'type' => FILE_ASN1_TYPE_BOOLEAN, + 'type' => ASN1::TYPE_BOOLEAN, 'constant' => 1, 'optional' => true, 'default' => false, 'implicit' => true ), 'onlyContainsCACerts' => array( - 'type' => FILE_ASN1_TYPE_BOOLEAN, + 'type' => ASN1::TYPE_BOOLEAN, 'constant' => 2, 'optional' => true, 'default' => false, @@ -1212,14 +1213,14 @@ class File_X509 'implicit' => true ) + $ReasonFlags, 'indirectCRL' => array( - 'type' => FILE_ASN1_TYPE_BOOLEAN, + 'type' => ASN1::TYPE_BOOLEAN, 'constant' => 4, 'optional' => true, 'default' => false, 'implicit' => true ), 'onlyContainsAttributeCerts' => array( - 'type' => FILE_ASN1_TYPE_BOOLEAN, + 'type' => ASN1::TYPE_BOOLEAN, 'constant' => 5, 'optional' => true, 'default' => false, @@ -1228,29 +1229,37 @@ class File_X509 ) ); - $this->InvalidityDate = array('type' => FILE_ASN1_TYPE_GENERALIZED_TIME); + $this->InvalidityDate = array('type' => ASN1::TYPE_GENERALIZED_TIME); $this->CertificateIssuer = $GeneralNames; - $this->HoldInstructionCode = array('type' => FILE_ASN1_TYPE_OBJECT_IDENTIFIER); + $this->HoldInstructionCode = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); $PublicKeyAndChallenge = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'spki' => $SubjectPublicKeyInfo, - 'challenge' => array('type' => FILE_ASN1_TYPE_IA5_STRING) + 'challenge' => array('type' => ASN1::TYPE_IA5_STRING) ) ); $this->SignedPublicKeyAndChallenge = array( - 'type' => FILE_ASN1_TYPE_SEQUENCE, + 'type' => ASN1::TYPE_SEQUENCE, 'children' => array( 'publicKeyAndChallenge' => $PublicKeyAndChallenge, 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => FILE_ASN1_TYPE_BIT_STRING) + 'signature' => array('type' => ASN1::TYPE_BIT_STRING) ) ); + $this->PostalAddress = array( + 'type' => ASN1::TYPE_SEQUENCE, + 'optional' => true, + 'min' => 1, + 'max' => -1, + 'children' => $this->DirectoryString + ); + // OIDs from RFC5280 and those RFCs mentioned in RFC5280#section-4.1.1.2 $this->oids = array( '1.3.6.1.5.5.7' => 'id-pkix', @@ -1285,6 +1294,7 @@ class File_X509 '2.5.4.9' => 'id-at-streetAddress', '2.5.4.45' => 'id-at-uniqueIdentifier', '2.5.4.72' => 'id-at-role', + '2.5.4.16' => 'id-at-postalAddress', '0.9.2342.19200300.100.1.25' => 'id-domainComponent', '1.2.840.113549.1.9' => 'pkcs-9', @@ -1422,11 +1432,12 @@ class File_X509 * * Returns an associative array describing the X.509 cert or a false if the cert failed to load * - * @param String $cert + * @param string $cert + * @param int $mode * @access public - * @return Mixed + * @return mixed */ - function loadX509($cert) + function loadX509($cert, $mode = self::FORMAT_AUTO_DETECT) { if (is_array($cert) && isset($cert['tbsCertificate'])) { unset($this->currentCert); @@ -1445,9 +1456,15 @@ class File_X509 return $cert; } - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); - $cert = $this->_extractBER($cert); + if ($mode != self::FORMAT_DER) { + $newcert = $this->_extractBER($cert); + if ($mode == self::FORMAT_PEM && $cert == $newcert) { + return false; + } + $cert = $newcert; + } if ($cert === false) { $this->currentCert = false; @@ -1467,7 +1484,11 @@ class File_X509 $this->signatureSubject = substr($cert, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - $this->_mapInExtensions($x509, 'tbsCertificate/extensions', $asn1); + if ($this->_isSubArrayValid($x509, 'tbsCertificate/extensions')) { + $this->_mapInExtensions($x509, 'tbsCertificate/extensions', $asn1); + } + $this->_mapInDNs($x509, 'tbsCertificate/issuer/rdnSequence', $asn1); + $this->_mapInDNs($x509, 'tbsCertificate/subject/rdnSequence', $asn1); $key = &$x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']; $key = $this->_reformatKey($x509['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], $key); @@ -1484,12 +1505,12 @@ class File_X509 /** * Save X.509 certificate * - * @param Array $cert - * @param Integer $format optional + * @param array $cert + * @param int $format optional * @access public - * @return String + * @return string */ - function saveX509($cert, $format = FILE_X509_FORMAT_PEM) + function saveX509($cert, $format = self::FORMAT_PEM) { if (!is_array($cert) || !isset($cert['tbsCertificate'])) { return false; @@ -1505,14 +1526,24 @@ class File_X509 case 'rsaEncryption': $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'] = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']))); + /* "[For RSA keys] the parameters field MUST have ASN.1 type NULL for this algorithm identifier." + -- https://tools.ietf.org/html/rfc3279#section-2.3.1 + + given that and the fact that RSA keys appear ot be the only key type for which the parameters field can be blank, + it seems like perhaps the ASN.1 description ought not say the parameters field is OPTIONAL, but whatever. + */ + $cert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = null; + // https://tools.ietf.org/html/rfc3279#section-2.2.1 + $cert['signatureAlgorithm']['parameters'] = null; + $cert['tbsCertificate']['signature']['parameters'] = null; } } - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); $asn1->loadOIDs($this->oids); $filters = array(); - $type_utf8_string = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + $type_utf8_string = array('type' => ASN1::TYPE_UTF8_STRING); $filters['tbsCertificate']['signature']['parameters'] = $type_utf8_string; $filters['tbsCertificate']['signature']['issuer']['rdnSequence']['value'] = $type_utf8_string; $filters['tbsCertificate']['issuer']['rdnSequence']['value'] = $type_utf8_string; @@ -1524,23 +1555,25 @@ class File_X509 $filters['distributionPoint']['fullName']['directoryName']['rdnSequence']['value'] = $type_utf8_string; $filters['directoryName']['rdnSequence']['value'] = $type_utf8_string; - /* in the case of policyQualifiers/qualifier, the type has to be FILE_ASN1_TYPE_IA5_STRING. - FILE_ASN1_TYPE_PRINTABLE_STRING will cause OpenSSL's X.509 parser to spit out random + /* in the case of policyQualifiers/qualifier, the type has to be \phpseclib\File\ASN1::TYPE_IA5_STRING. + \phpseclib\File\ASN1::TYPE_PRINTABLE_STRING will cause OpenSSL's X.509 parser to spit out random characters. */ $filters['policyQualifiers']['qualifier'] - = array('type' => FILE_ASN1_TYPE_IA5_STRING); + = array('type' => ASN1::TYPE_IA5_STRING); $asn1->loadFilters($filters); $this->_mapOutExtensions($cert, 'tbsCertificate/extensions', $asn1); + $this->_mapOutDNs($cert, 'tbsCertificate/issuer/rdnSequence', $asn1); + $this->_mapOutDNs($cert, 'tbsCertificate/subject/rdnSequence', $asn1); $cert = $asn1->encodeDER($cert, $this->Certificate); switch ($format) { - case FILE_X509_FORMAT_DER: + case self::FORMAT_DER: return $cert; - // case FILE_X509_FORMAT_PEM: + // case self::FORMAT_PEM: default: return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(base64_encode($cert), 64) . '-----END CERTIFICATE-----'; } @@ -1550,16 +1583,16 @@ class File_X509 * Map extension values from octet string to extension-specific internal * format. * - * @param Array ref $root - * @param String $path - * @param Object $asn1 + * @param array ref $root + * @param string $path + * @param object $asn1 * @access private */ function _mapInExtensions(&$root, $path, $asn1) { - $extensions = &$this->_subArray($root, $path); + $extensions = &$this->_subArrayUnchecked($root, $path); - if (is_array($extensions)) { + if ($extensions) { for ($i = 0; $i < count($extensions); $i++) { $id = $extensions[$i]['extnId']; $value = &$extensions[$i]['extnValue']; @@ -1589,7 +1622,7 @@ class File_X509 } } } - } elseif ($map) { + } else { $value = base64_encode($value); } } @@ -1600,9 +1633,9 @@ class File_X509 * Map extension values from extension-specific internal format to * octet string. * - * @param Array ref $root - * @param String $path - * @param Object $asn1 + * @param array ref $root + * @param string $path + * @param object $asn1 * @access private */ function _mapOutExtensions(&$root, $path, $asn1) @@ -1612,6 +1645,10 @@ class File_X509 if (is_array($extensions)) { $size = count($extensions); for ($i = 0; $i < $size; $i++) { + if ($extensions[$i] instanceof Element) { + continue; + } + $id = $extensions[$i]['extnId']; $value = &$extensions[$i]['extnValue']; @@ -1626,9 +1663,9 @@ class File_X509 $map = $this->_getMapping($subid); $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier']; if ($map !== false) { - // by default File_ASN1 will try to render qualifier as a FILE_ASN1_TYPE_IA5_STRING since it's - // actual type is FILE_ASN1_TYPE_ANY - $subvalue = new File_ASN1_Element($asn1->encodeDER($subvalue, $map)); + // by default \phpseclib\File\ASN1 will try to render qualifier as a \phpseclib\File\ASN1::TYPE_IA5_STRING since it's + // actual type is \phpseclib\File\ASN1::TYPE_ANY + $subvalue = new Element($asn1->encodeDER($subvalue, $map)); } } } @@ -1636,8 +1673,8 @@ class File_X509 case 'id-ce-authorityKeyIdentifier': // use 00 as the serial number instead of an empty string if (isset($value['authorityCertSerialNumber'])) { if ($value['authorityCertSerialNumber']->toBytes() == '') { - $temp = chr((FILE_ASN1_CLASS_CONTEXT_SPECIFIC << 6) | 2) . "\1\0"; - $value['authorityCertSerialNumber'] = new File_ASN1_Element($temp); + $temp = chr((ASN1::CLASS_CONTEXT_SPECIFIC << 6) | 2) . "\1\0"; + $value['authorityCertSerialNumber'] = new Element($temp); } } } @@ -1662,9 +1699,9 @@ class File_X509 * Map attribute values from ANY type to attribute-specific internal * format. * - * @param Array ref $root - * @param String $path - * @param Object $asn1 + * @param array ref $root + * @param string $path + * @param object $asn1 * @access private */ function _mapInAttributes(&$root, $path, $asn1) @@ -1687,7 +1724,7 @@ class File_X509 if ($mapped !== false) { $values[$j] = $mapped; } - if ($id == 'pkcs-9-at-extensionRequest') { + if ($id == 'pkcs-9-at-extensionRequest' && $this->_isSubArrayValid($values, $j)) { $this->_mapInExtensions($values, $j, $asn1); } } elseif ($map) { @@ -1703,9 +1740,9 @@ class File_X509 * Map attribute values from attribute-specific internal format to * ANY type. * - * @param Array ref $root - * @param String $path - * @param Object $asn1 + * @param array ref $root + * @param string $path + * @param object $asn1 * @access private */ function _mapOutAttributes(&$root, $path, $asn1) @@ -1742,16 +1779,78 @@ class File_X509 } } + /** + * Map DN values from ANY type to DN-specific internal + * format. + * + * @param array ref $root + * @param string $path + * @param object $asn1 + * @access private + */ + function _mapInDNs(&$root, $path, $asn1) + { + $dns = &$this->_subArray($root, $path); + + if (is_array($dns)) { + for ($i = 0; $i < count($dns); $i++) { + for ($j = 0; $j < count($dns[$i]); $j++) { + $type = $dns[$i][$j]['type']; + $value = &$dns[$i][$j]['value']; + if (is_object($value) && $value instanceof Element) { + $map = $this->_getMapping($type); + if (!is_bool($map)) { + $decoded = $asn1->decodeBER($value); + $value = $asn1->asn1map($decoded[0], $map); + } + } + } + } + } + } + + /** + * Map DN values from DN-specific internal format to + * ANY type. + * + * @param array ref $root + * @param string $path + * @param object $asn1 + * @access private + */ + function _mapOutDNs(&$root, $path, $asn1) + { + $dns = &$this->_subArray($root, $path); + + if (is_array($dns)) { + $size = count($dns); + for ($i = 0; $i < $size; $i++) { + for ($j = 0; $j < count($dns[$i]); $j++) { + $type = $dns[$i][$j]['type']; + $value = &$dns[$i][$j]['value']; + if (is_object($value) && $value instanceof Element) { + continue; + } + + $map = $this->_getMapping($type); + if (!is_bool($map)) { + $value = new Element($asn1->encodeDER($value, $map)); + } + } + } + } + } + /** * Associate an extension ID to an extension mapping * - * @param String $extnId + * @param string $extnId * @access private - * @return Mixed + * @return mixed */ function _getMapping($extnId) { - if (!is_string($extnId)) { // eg. if it's a File_ASN1_Element object + if (!is_string($extnId)) { // eg. if it's a \phpseclib\File\ASN1\Element object return true; } @@ -1774,6 +1873,8 @@ class File_X509 return $this->AuthorityInfoAccessSyntax; case 'id-ce-subjectAltName': return $this->SubjectAltName; + case 'id-ce-subjectDirectoryAttributes': + return $this->SubjectDirectoryAttributes; case 'id-ce-privateKeyUsagePeriod': return $this->PrivateKeyUsagePeriod; case 'id-ce-issuerAltName': @@ -1833,6 +1934,8 @@ class File_X509 return $this->CertificateIssuer; case 'id-ce-holdInstructionCode': return $this->HoldInstructionCode; + case 'id-at-postalAddress': + return $this->PostalAddress; } return false; @@ -1841,9 +1944,9 @@ class File_X509 /** * Load an X.509 certificate as a certificate authority * - * @param String $cert + * @param string $cert * @access public - * @return Boolean + * @return bool */ function loadCA($cert) { @@ -1908,9 +2011,9 @@ class File_X509 * component or component fragment. E.g., *.a.com matches foo.a.com but * not bar.foo.a.com. f*.com matches foo.com but not bar.com. * - * @param String $url + * @param string $url * @access public - * @return Boolean + * @return bool */ function validateURL($url) { @@ -1966,7 +2069,7 @@ class File_X509 * * If $date isn't defined it is assumed to be the current date. * - * @param Integer $date optional + * @param int $date optional * @access public */ function validateDate($date = null) @@ -2005,9 +2108,9 @@ class File_X509 * * The behavior of this function is inspired by {@link http://php.net/openssl-verify openssl_verify}. * - * @param Boolean $caonly optional + * @param bool $caonly optional * @access public - * @return Mixed + * @return mixed */ function validateSignature($caonly = true) { @@ -2024,14 +2127,16 @@ class File_X509 switch (true) { case isset($this->currentCert['tbsCertificate']): // self-signed cert - if ($this->currentCert['tbsCertificate']['issuer'] === $this->currentCert['tbsCertificate']['subject']) { - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier'); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $this->currentCert; // working cert - } + switch (true) { + case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $this->currentCert['tbsCertificate']['subject']: + case defined('FILE_X509_IGNORE_TYPE') && $this->getIssuerDN(self::DN_STRING) === $this->getDN(self::DN_STRING): + $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); + $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier'); + switch (true) { + case !is_array($authorityKey): + case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: + $signingCert = $this->currentCert; // working cert + } } if (!empty($this->CAs)) { @@ -2039,15 +2144,17 @@ class File_X509 // even if the cert is a self-signed one we still want to see if it's a CA; // if not, we'll conditionally return an error $ca = $this->CAs[$i]; - if ($this->currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']) { - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $ca; // working cert - break 2; - } + switch (true) { + case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']: + case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertificate']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']): + $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); + $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); + switch (true) { + case !is_array($authorityKey): + case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: + $signingCert = $ca; // working cert + break 3; + } } } if (count($this->CAs) == $i && $caonly) { @@ -2083,15 +2190,17 @@ class File_X509 if (!empty($this->CAs)) { for ($i = 0; $i < count($this->CAs); $i++) { $ca = $this->CAs[$i]; - if ($this->currentCert['tbsCertList']['issuer'] === $ca['tbsCertificate']['subject']) { - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $ca; // working cert - break 2; - } + switch (true) { + case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertList']['issuer'] === $ca['tbsCertificate']['subject']: + case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertList']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']): + $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); + $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); + switch (true) { + case !is_array($authorityKey): + case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: + $signingCert = $ca; // working cert + break 3; + } } } } @@ -2115,22 +2224,19 @@ class File_X509 * * Returns true if the signature is verified, false if it is not correct or null on error * - * @param String $publicKeyAlgorithm - * @param String $publicKey - * @param String $signatureAlgorithm - * @param String $signature - * @param String $signatureSubject + * @param string $publicKeyAlgorithm + * @param string $publicKey + * @param string $signatureAlgorithm + * @param string $signature + * @param string $signatureSubject * @access private - * @return Integer + * @return int */ function _validateSignature($publicKeyAlgorithm, $publicKey, $signatureAlgorithm, $signature, $signatureSubject) { switch ($publicKeyAlgorithm) { case 'rsaEncryption': - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - $rsa = new Crypt_RSA(); + $rsa = new RSA(); $rsa->loadKey($publicKey); switch ($signatureAlgorithm) { @@ -2142,7 +2248,7 @@ class File_X509 case 'sha384WithRSAEncryption': case 'sha512WithRSAEncryption': $rsa->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); - $rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1); + $rsa->setSignatureMode(RSA::SIGNATURE_PKCS1); if (!@$rsa->verify($signatureSubject, $signature)) { return false; } @@ -2163,10 +2269,10 @@ class File_X509 * * Reformats a public key to a format supported by phpseclib (if applicable) * - * @param String $algorithm - * @param String $key + * @param string $algorithm + * @param string $key * @access private - * @return String + * @return string */ function _reformatKey($algorithm, $key) { @@ -2189,15 +2295,13 @@ class File_X509 * * Takes in a base64 encoded "blob" and returns a human readable IP address * - * @param String $ip + * @param string $ip * @access private - * @return String + * @return string */ function _decodeIP($ip) { - $ip = base64_decode($ip); - list(, $ip) = unpack('N', $ip); - return long2ip($ip); + return inet_ntop(base64_decode($ip)); } /** @@ -2205,21 +2309,21 @@ class File_X509 * * Takes a human readable IP address into a base64-encoded "blob" * - * @param String $ip + * @param string $ip * @access private - * @return String + * @return string */ function _encodeIP($ip) { - return base64_encode(pack('N', ip2long($ip))); + return base64_encode(inet_pton($ip)); } /** * "Normalizes" a Distinguished Name property * - * @param String $propName + * @param string $propName * @access private - * @return Mixed + * @return mixed */ function _translateDNProp($propName) { @@ -2298,6 +2402,9 @@ class File_X509 case 'uniqueidentifier': case 'x500uniqueidentifier': return 'id-at-uniqueIdentifier'; + case 'postaladdress': + case 'id-at-postaladdress': + return 'id-at-postalAddress'; default: return false; } @@ -2306,11 +2413,11 @@ class File_X509 /** * Set a Distinguished Name property * - * @param String $propName - * @param Mixed $propValue - * @param String $type optional + * @param string $propName + * @param mixed $propValue + * @param string $type optional * @access public - * @return Boolean + * @return bool */ function setDNProp($propName, $propValue, $type = 'utf8String') { @@ -2340,7 +2447,7 @@ class File_X509 /** * Remove Distinguished Name properties * - * @param String $propName + * @param string $propName * @access public */ function removeDNProp($propName) @@ -2367,10 +2474,10 @@ class File_X509 /** * Get Distinguished Name properties * - * @param String $propName - * @param Array $dn optional - * @param Boolean $withType optional - * @return Mixed + * @param string $propName + * @param array $dn optional + * @param bool $withType optional + * @return mixed * @access public */ function getDNProp($propName, $dn = null, $withType = false) @@ -2387,25 +2494,38 @@ class File_X509 return false; } + $asn1 = new ASN1(); + $asn1->loadOIDs($this->oids); + $filters = array(); + $filters['value'] = array('type' => ASN1::TYPE_UTF8_STRING); + $asn1->loadFilters($filters); + $this->_mapOutDNs($dn, 'rdnSequence', $asn1); $dn = $dn['rdnSequence']; $result = array(); - $asn1 = new File_ASN1(); for ($i = 0; $i < count($dn); $i++) { if ($dn[$i][0]['type'] == $propName) { $v = $dn[$i][0]['value']; - if (!$withType && is_array($v)) { - foreach ($v as $type => $s) { - $type = array_search($type, $asn1->ANYmap, true); - if ($type !== false && isset($asn1->stringTypeSize[$type])) { - $s = $asn1->convert($s, $type); - if ($s !== false) { - $v = $s; - break; + if (!$withType) { + if (is_array($v)) { + foreach ($v as $type => $s) { + $type = array_search($type, $asn1->ANYmap, true); + if ($type !== false && isset($asn1->stringTypeSize[$type])) { + $s = $asn1->convert($s, $type); + if ($s !== false) { + $v = $s; + break; + } } } - } - if (is_array($v)) { - $v = array_pop($v); // Always strip data type. + if (is_array($v)) { + $v = array_pop($v); // Always strip data type. + } + } elseif (is_object($v) && $v instanceof Element) { + $map = $this->_getMapping($propName); + if (!is_bool($map)) { + $decoded = $asn1->decodeBER($v); + $v = $asn1->asn1map($decoded[0], $map); + } } } $result[] = $v; @@ -2418,11 +2538,11 @@ class File_X509 /** * Set a Distinguished Name * - * @param Mixed $dn - * @param Boolean $merge optional - * @param String $type optional + * @param mixed $dn + * @param bool $merge optional + * @param string $type optional * @access public - * @return Boolean + * @return bool */ function setDN($dn, $merge = false, $type = 'utf8String') { @@ -2446,7 +2566,7 @@ class File_X509 } // handles everything else - $results = preg_split('#((?:^|, *|/)(?:C=|O=|OU=|CN=|L=|ST=|SN=|postalCode=|streetAddress=|emailAddress=|serialNumber=|organizationalUnitName=|title=|description=|role=|x500UniqueIdentifier=))#', $dn, -1, PREG_SPLIT_DELIM_CAPTURE); + $results = preg_split('#((?:^|, *|/)(?:C=|O=|OU=|CN=|L=|ST=|SN=|postalCode=|streetAddress=|emailAddress=|serialNumber=|organizationalUnitName=|title=|description=|role=|x500UniqueIdentifier=|postalAddress=))#', $dn, -1, PREG_SPLIT_DELIM_CAPTURE); for ($i = 1; $i < count($results); $i+=2) { $prop = trim($results[$i], ', =/'); $value = $results[$i + 1]; @@ -2461,55 +2581,41 @@ class File_X509 /** * Get the Distinguished Name for a certificates subject * - * @param Mixed $format optional - * @param Array $dn optional + * @param mixed $format optional + * @param array $dn optional * @access public - * @return Boolean + * @return bool */ - function getDN($format = FILE_X509_DN_ARRAY, $dn = null) + function getDN($format = self::DN_ARRAY, $dn = null) { if (!isset($dn)) { $dn = isset($this->currentCert['tbsCertList']) ? $this->currentCert['tbsCertList']['issuer'] : $this->dn; } switch ((int) $format) { - case FILE_X509_DN_ARRAY: + case self::DN_ARRAY: return $dn; - case FILE_X509_DN_ASN1: - $asn1 = new File_ASN1(); + case self::DN_ASN1: + $asn1 = new ASN1(); $asn1->loadOIDs($this->oids); $filters = array(); - $filters['rdnSequence']['value'] = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + $filters['rdnSequence']['value'] = array('type' => ASN1::TYPE_UTF8_STRING); $asn1->loadFilters($filters); + $this->_mapOutDNs($dn, 'rdnSequence', $asn1); return $asn1->encodeDER($dn, $this->Name); - case FILE_X509_DN_OPENSSL: - $dn = $this->getDN(FILE_X509_DN_STRING, $dn); - if ($dn === false) { - return false; - } - $attrs = preg_split('#((?:^|, *|/)[a-z][a-z0-9]*=)#i', $dn, -1, PREG_SPLIT_DELIM_CAPTURE); - $dn = array(); - for ($i = 1; $i < count($attrs); $i += 2) { - $prop = trim($attrs[$i], ', =/'); - $value = $attrs[$i + 1]; - if (!isset($dn[$prop])) { - $dn[$prop] = $value; - } else { - $dn[$prop] = array_merge((array) $dn[$prop], array($value)); - } - } - return $dn; - case FILE_X509_DN_CANON: + case self::DN_CANON: // No SEQUENCE around RDNs and all string values normalized as - // trimmed lowercase UTF-8 with all spacing as one blank. - $asn1 = new File_ASN1(); + // trimmed lowercase UTF-8 with all spacing as one blank. + // constructed RDNs will not be canonicalized + $asn1 = new ASN1(); $asn1->loadOIDs($this->oids); $filters = array(); - $filters['value'] = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + $filters['value'] = array('type' => ASN1::TYPE_UTF8_STRING); $asn1->loadFilters($filters); $result = ''; + $this->_mapOutDNs($dn, 'rdnSequence', $asn1); foreach ($dn['rdnSequence'] as $rdn) { - foreach ($rdn as $i=>$attr) { + foreach ($rdn as $i => $attr) { $attr = &$rdn[$i]; if (is_array($attr['value'])) { foreach ($attr['value'] as $type => $v) { @@ -2528,12 +2634,9 @@ class File_X509 $result .= $asn1->encodeDER($rdn, $this->RelativeDistinguishedName); } return $result; - case FILE_X509_DN_HASH: - $dn = $this->getDN(FILE_X509_DN_CANON, $dn); - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } - $hash = new Crypt_Hash('sha1'); + case self::DN_HASH: + $dn = $this->getDN(self::DN_CANON, $dn); + $hash = new Hash('sha1'); $hash = $hash->hash($dn); extract(unpack('Vhash', $hash)); return strtolower(bin2hex(pack('N', $hash))); @@ -2542,7 +2645,15 @@ class File_X509 // Default is to return a string. $start = true; $output = ''; - $asn1 = new File_ASN1(); + + $result = array(); + $asn1 = new ASN1(); + $asn1->loadOIDs($this->oids); + $filters = array(); + $filters['rdnSequence']['value'] = array('type' => ASN1::TYPE_UTF8_STRING); + $asn1->loadFilters($filters); + $this->_mapOutDNs($dn, 'rdnSequence', $asn1); + foreach ($dn['rdnSequence'] as $field) { $prop = $field[0]['type']; $value = $field[0]['value']; @@ -2550,33 +2661,37 @@ class File_X509 $delim = ', '; switch ($prop) { case 'id-at-countryName': - $desc = 'C='; + $desc = 'C'; break; case 'id-at-stateOrProvinceName': - $desc = 'ST='; + $desc = 'ST'; break; case 'id-at-organizationName': - $desc = 'O='; + $desc = 'O'; break; case 'id-at-organizationalUnitName': - $desc = 'OU='; + $desc = 'OU'; break; case 'id-at-commonName': - $desc = 'CN='; + $desc = 'CN'; break; case 'id-at-localityName': - $desc = 'L='; + $desc = 'L'; break; case 'id-at-surname': - $desc = 'SN='; + $desc = 'SN'; break; case 'id-at-uniqueIdentifier': $delim = '/'; - $desc = 'x500UniqueIdentifier='; + $desc = 'x500UniqueIdentifier'; + break; + case 'id-at-postalAddress': + $delim = '/'; + $desc = 'postalAddress'; break; default: $delim = '/'; - $desc = preg_replace('#.+-([^-]+)$#', '$1', $prop) . '='; + $desc = preg_replace('#.+-([^-]+)$#', '$1', $prop); } if (!$start) { @@ -2596,22 +2711,28 @@ class File_X509 if (is_array($value)) { $value = array_pop($value); // Always strip data type. } + } elseif (is_object($value) && $value instanceof Element) { + $callback = create_function('$x', 'return "\x" . bin2hex($x[0]);'); + $value = strtoupper(preg_replace_callback('#[^\x20-\x7E]#', $callback, $value->element)); } - $output.= $desc . $value; + $output.= $desc . '=' . $value; + $result[$desc] = isset($result[$desc]) ? + array_merge((array) $dn[$prop], array($value)) : + $value; $start = false; } - return $output; + return $format == self::DN_OPENSSL ? $result : $output; } /** * Get the Distinguished Name for a certificate/crl issuer * - * @param Integer $format optional + * @param int $format optional * @access public - * @return Mixed + * @return mixed */ - function getIssuerDN($format = FILE_X509_DN_ARRAY) + function getIssuerDN($format = self::DN_ARRAY) { switch (true) { case !isset($this->currentCert) || !is_array($this->currentCert): @@ -2629,11 +2750,11 @@ class File_X509 * Get the Distinguished Name for a certificate/csr subject * Alias of getDN() * - * @param Integer $format optional + * @param int $format optional * @access public - * @return Mixed + * @return mixed */ - function getSubjectDN($format = FILE_X509_DN_ARRAY) + function getSubjectDN($format = self::DN_ARRAY) { switch (true) { case !empty($this->dn): @@ -2652,10 +2773,10 @@ class File_X509 /** * Get an individual Distinguished Name property for a certificate/crl issuer * - * @param String $propName - * @param Boolean $withType optional + * @param string $propName + * @param bool $withType optional * @access public - * @return Mixed + * @return mixed */ function getIssuerDNProp($propName, $withType = false) { @@ -2674,10 +2795,10 @@ class File_X509 /** * Get an individual Distinguished Name property for a certificate/csr subject * - * @param String $propName - * @param Boolean $withType optional + * @param string $propName + * @param bool $withType optional * @access public - * @return Mixed + * @return mixed */ function getSubjectDNProp($propName, $withType = false) { @@ -2699,7 +2820,7 @@ class File_X509 * Get the certificate chain for the current cert * * @access public - * @return Mixed + * @return mixed */ function getChain() { @@ -2733,8 +2854,8 @@ class File_X509 break; } } - foreach ($chain as $key=>$value) { - $chain[$key] = new File_X509(); + foreach ($chain as $key => $value) { + $chain[$key] = new X509(); $chain[$key]->loadX509($value); } return $chain; @@ -2743,11 +2864,11 @@ class File_X509 /** * Set public key * - * Key needs to be a Crypt_RSA object + * Key needs to be a \phpseclib\Crypt\RSA object * - * @param Object $key + * @param object $key * @access public - * @return Boolean + * @return bool */ function setPublicKey($key) { @@ -2758,9 +2879,9 @@ class File_X509 /** * Set private key * - * Key needs to be a Crypt_RSA object + * Key needs to be a \phpseclib\Crypt\RSA object * - * @param Object $key + * @param object $key * @access public */ function setPrivateKey($key) @@ -2773,7 +2894,7 @@ class File_X509 * * Used for SPKAC CSR's * - * @param String $challenge + * @param string $challenge * @access public */ function setChallenge($challenge) @@ -2784,10 +2905,10 @@ class File_X509 /** * Gets the public key * - * Returns a Crypt_RSA object or a false. + * Returns a \phpseclib\Crypt\RSA object or a false. * * @access public - * @return Mixed + * @return mixed */ function getPublicKey() { @@ -2811,10 +2932,7 @@ class File_X509 switch ($keyinfo['algorithm']['algorithm']) { case 'rsaEncryption': - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - $publicKey = new Crypt_RSA(); + $publicKey = new RSA(); $publicKey->loadKey($key); $publicKey->setPublicKey(); break; @@ -2828,11 +2946,11 @@ class File_X509 /** * Load a Certificate Signing Request * - * @param String $csr + * @param string $csr * @access public - * @return Mixed + * @return mixed */ - function loadCSR($csr) + function loadCSR($csr, $mode = self::FORMAT_AUTO_DETECT) { if (is_array($csr) && isset($csr['certificationRequestInfo'])) { unset($this->currentCert); @@ -2849,9 +2967,15 @@ class File_X509 // see http://tools.ietf.org/html/rfc2986 - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); - $csr = $this->_extractBER($csr); + if ($mode != self::FORMAT_DER) { + $newcsr = $this->_extractBER($csr); + if ($mode == self::FORMAT_PEM && $csr == $newcsr) { + return false; + } + $csr = $newcsr; + } $orig = $csr; if ($csr === false) { @@ -2873,8 +2997,10 @@ class File_X509 return false; } - $this->dn = $csr['certificationRequestInfo']['subject']; $this->_mapInAttributes($csr, 'certificationRequestInfo/attributes', $asn1); + $this->_mapInDNs($csr, 'certificationRequestInfo/subject/rdnSequence', $asn1); + + $this->dn = $csr['certificationRequestInfo']['subject']; $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); @@ -2884,10 +3010,7 @@ class File_X509 switch ($algorithm) { case 'rsaEncryption': - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - $this->publicKey = new Crypt_RSA(); + $this->publicKey = new RSA(); $this->publicKey->loadKey($key); $this->publicKey->setPublicKey(); break; @@ -2904,12 +3027,12 @@ class File_X509 /** * Save CSR request * - * @param Array $csr - * @param Integer $format optional + * @param array $csr + * @param int $format optional * @access public - * @return String + * @return string */ - function saveCSR($csr, $format = FILE_X509_FORMAT_PEM) + function saveCSR($csr, $format = self::FORMAT_PEM) { if (!is_array($csr) || !isset($csr['certificationRequestInfo'])) { return false; @@ -2917,33 +3040,37 @@ class File_X509 switch (true) { case !($algorithm = $this->_subArray($csr, 'certificationRequestInfo/subjectPKInfo/algorithm/algorithm')): - case is_object($csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']); + case is_object($csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']): break; default: switch ($algorithm) { case 'rsaEncryption': $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'] = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']))); + $csr['certificationRequestInfo']['subjectPKInfo']['algorithm']['parameters'] = null; + $csr['signatureAlgorithm']['parameters'] = null; + $csr['certificationRequestInfo']['signature']['parameters'] = null; } } - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); $asn1->loadOIDs($this->oids); $filters = array(); $filters['certificationRequestInfo']['subject']['rdnSequence']['value'] - = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + = array('type' => ASN1::TYPE_UTF8_STRING); $asn1->loadFilters($filters); + $this->_mapOutDNs($csr, 'certificationRequestInfo/subject/rdnSequence', $asn1); $this->_mapOutAttributes($csr, 'certificationRequestInfo/attributes', $asn1); $csr = $asn1->encodeDER($csr, $this->CertificationRequest); switch ($format) { - case FILE_X509_FORMAT_DER: + case self::FORMAT_DER: return $csr; - // case FILE_X509_FORMAT_PEM: + // case self::FORMAT_PEM: default: return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(base64_encode($csr), 64) . '-----END CERTIFICATE REQUEST-----'; } @@ -2956,9 +3083,9 @@ class File_X509 * * https://developer.mozilla.org/en-US/docs/HTML/Element/keygen * - * @param String $csr + * @param string $csr * @access public - * @return Mixed + * @return mixed */ function loadSPKAC($spkac) { @@ -2972,9 +3099,9 @@ class File_X509 // see http://www.w3.org/html/wg/drafts/html/master/forms.html#signedpublickeyandchallenge - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); - // OpenSSL produces SPKAC's that are preceeded by the string SPKAC= + // OpenSSL produces SPKAC's that are preceded by the string SPKAC= $temp = preg_replace('#(?:SPKAC=)|[ \r\n\\\]#', '', $spkac); $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false; if ($temp != false) { @@ -3010,10 +3137,7 @@ class File_X509 switch ($algorithm) { case 'rsaEncryption': - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - $this->publicKey = new Crypt_RSA(); + $this->publicKey = new RSA(); $this->publicKey->loadKey($key); $this->publicKey->setPublicKey(); break; @@ -3030,12 +3154,12 @@ class File_X509 /** * Save a SPKAC CSR request * - * @param Array $csr - * @param Integer $format optional + * @param array $csr + * @param int $format optional * @access public - * @return String + * @return string */ - function saveSPKAC($spkac, $format = FILE_X509_FORMAT_PEM) + function saveSPKAC($spkac, $format = self::FORMAT_PEM) { if (!is_array($spkac) || !isset($spkac['publicKeyAndChallenge'])) { return false; @@ -3044,7 +3168,7 @@ class File_X509 $algorithm = $this->_subArray($spkac, 'publicKeyAndChallenge/spki/algorithm/algorithm'); switch (true) { case !$algorithm: - case is_object($spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']); + case is_object($spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']): break; default: switch ($algorithm) { @@ -3054,17 +3178,17 @@ class File_X509 } } - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); $asn1->loadOIDs($this->oids); $spkac = $asn1->encodeDER($spkac, $this->SignedPublicKeyAndChallenge); switch ($format) { - case FILE_X509_FORMAT_DER: + case self::FORMAT_DER: return $spkac; - // case FILE_X509_FORMAT_PEM: + // case self::FORMAT_PEM: default: - // OpenSSL's implementation of SPKAC requires the SPKAC be preceeded by SPKAC= and since there are pretty much + // OpenSSL's implementation of SPKAC requires the SPKAC be preceded by SPKAC= and since there are pretty much // no other SPKAC decoders phpseclib will use that same format return 'SPKAC=' . base64_encode($spkac); } @@ -3073,11 +3197,11 @@ class File_X509 /** * Load a Certificate Revocation List * - * @param String $crl + * @param string $crl * @access public - * @return Mixed + * @return mixed */ - function loadCRL($crl) + function loadCRL($crl, $mode = self::FORMAT_AUTO_DETECT) { if (is_array($crl) && isset($crl['tbsCertList'])) { $this->currentCert = $crl; @@ -3085,9 +3209,15 @@ class File_X509 return $crl; } - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); - $crl = $this->_extractBER($crl); + if ($mode != self::FORMAT_DER) { + $newcrl = $this->_extractBER($crl); + if ($mode == self::FORMAT_PEM && $crl == $newcrl) { + return false; + } + $crl = $newcrl; + } $orig = $crl; if ($crl === false) { @@ -3111,11 +3241,19 @@ class File_X509 $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - $this->_mapInExtensions($crl, 'tbsCertList/crlExtensions', $asn1); - $rclist = &$this->_subArray($crl, 'tbsCertList/revokedCertificates'); - if (is_array($rclist)) { - foreach ($rclist as $i => $extension) { - $this->_mapInExtensions($rclist, "$i/crlEntryExtensions", $asn1); + $this->_mapInDNs($crl, 'tbsCertList/issuer/rdnSequence', $asn1); + if ($this->_isSubArrayValid($crl, 'tbsCertList/crlExtensions')) { + $this->_mapInExtensions($crl, 'tbsCertList/crlExtensions', $asn1); + } + if ($this->_isSubArrayValid($crl, 'tbsCertList/revokedCertificates')) { + $rclist_ref = &$this->_subArrayUnchecked($crl, 'tbsCertList/revokedCertificates'); + if ($rclist_ref) { + $rclist = $crl['tbsCertList']['revokedCertificates']; + foreach ($rclist as $i => $extension) { + if ($this->_isSubArrayValid($rclist, "$i/crlEntryExtensions", $asn1)) { + $this->_mapInExtensions($rclist_ref, "$i/crlEntryExtensions", $asn1); + } + } } } @@ -3128,41 +3266,42 @@ class File_X509 /** * Save Certificate Revocation List. * - * @param Array $crl - * @param Integer $format optional + * @param array $crl + * @param int $format optional * @access public - * @return String + * @return string */ - function saveCRL($crl, $format = FILE_X509_FORMAT_PEM) + function saveCRL($crl, $format = self::FORMAT_PEM) { if (!is_array($crl) || !isset($crl['tbsCertList'])) { return false; } - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); $asn1->loadOIDs($this->oids); $filters = array(); $filters['tbsCertList']['issuer']['rdnSequence']['value'] - = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + = array('type' => ASN1::TYPE_UTF8_STRING); $filters['tbsCertList']['signature']['parameters'] - = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + = array('type' => ASN1::TYPE_UTF8_STRING); $filters['signatureAlgorithm']['parameters'] - = array('type' => FILE_ASN1_TYPE_UTF8_STRING); + = array('type' => ASN1::TYPE_UTF8_STRING); if (empty($crl['tbsCertList']['signature']['parameters'])) { $filters['tbsCertList']['signature']['parameters'] - = array('type' => FILE_ASN1_TYPE_NULL); + = array('type' => ASN1::TYPE_NULL); } if (empty($crl['signatureAlgorithm']['parameters'])) { $filters['signatureAlgorithm']['parameters'] - = array('type' => FILE_ASN1_TYPE_NULL); + = array('type' => ASN1::TYPE_NULL); } $asn1->loadFilters($filters); + $this->_mapOutDNs($crl, 'tbsCertList/issuer/rdnSequence', $asn1); $this->_mapOutExtensions($crl, 'tbsCertList/crlExtensions', $asn1); $rclist = &$this->_subArray($crl, 'tbsCertList/revokedCertificates'); if (is_array($rclist)) { @@ -3174,9 +3313,9 @@ class File_X509 $crl = $asn1->encodeDER($crl, $this->CertificateList); switch ($format) { - case FILE_X509_FORMAT_DER: + case self::FORMAT_DER: return $crl; - // case FILE_X509_FORMAT_PEM: + // case self::FORMAT_PEM: default: return "-----BEGIN X509 CRL-----\r\n" . chunk_split(base64_encode($crl), 64) . '-----END X509 CRL-----'; } @@ -3190,17 +3329,17 @@ class File_X509 * - 5.1.2.6 Revoked Certificates * by choosing utcTime iff year of date given is before 2050 and generalTime else. * - * @param String $date in format date('D, d M Y H:i:s O') + * @param string $date in format date('D, d M Y H:i:s O') * @access private - * @return Array + * @return array */ function _timeField($date) { $year = @gmdate("Y", @strtotime($date)); // the same way ASN1.php parses this if ($year < 2050) { - return array('utcTime' => $date); + return array('utcTime' => $date); } else { - return array('generalTime' => $date); + return array('generalTime' => $date); } } @@ -3211,11 +3350,11 @@ class File_X509 * $subject can be either an existing X.509 cert (if you want to resign it), * a CSR or something with the DN and public key explicitly set. * - * @param File_X509 $issuer - * @param File_X509 $subject - * @param String $signatureAlgorithm optional + * @param \phpseclib\File\X509 $issuer + * @param \phpseclib\File\X509 $subject + * @param string $signatureAlgorithm optional * @access public - * @return Mixed + * @return mixed */ function sign($issuer, $subject, $signatureAlgorithm = 'sha1WithRSAEncryption') { @@ -3254,7 +3393,7 @@ class File_X509 if (isset($subject->domains)) { $this->removeExtension('id-ce-subjectAltName'); } - } else if (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertList'])) { + } elseif (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertList'])) { return false; } else { if (!isset($subject->publicKey)) { @@ -3263,7 +3402,16 @@ class File_X509 $startDate = !empty($this->startDate) ? $this->startDate : @date('D, d M Y H:i:s O'); $endDate = !empty($this->endDate) ? $this->endDate : @date('D, d M Y H:i:s O', strtotime('+1 year')); - $serialNumber = !empty($this->serialNumber) ? $this->serialNumber : new Math_BigInteger(); + /* "The serial number MUST be a positive integer" + "Conforming CAs MUST NOT use serialNumber values longer than 20 octets." + -- https://tools.ietf.org/html/rfc5280#section-4.1.2.2 + + for the integer to be positive the leading bit needs to be 0 hence the + application of a bitmap + */ + $serialNumber = !empty($this->serialNumber) ? + $this->serialNumber : + new BigInteger(Random::string(20) & ("\x7F" . str_repeat("\xFF", 19)), 256); $this->currentCert = array( 'tbsCertificate' => @@ -3279,8 +3427,8 @@ class File_X509 'subject' => $subject->dn, 'subjectPublicKeyInfo' => $subjectPublicKey ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later + 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), + 'signature' => false // this is going to be overwritten later ); // Copy extensions from CSR. @@ -3301,8 +3449,7 @@ class File_X509 // ) //), 'keyIdentifier' => $issuer->currentKeyIdentifier - ) - ); + )); //$extensions = &$this->currentCert['tbsCertificate']['extensions']; //if (isset($issuer->serialNumber)) { // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber; @@ -3317,7 +3464,7 @@ class File_X509 $altName = array(); if (isset($subject->domains) && count($subject->domains) > 1) { - $altName = array_map(array('File_X509', '_dnsName'), $subject->domains); + $altName = array_map(array('X509', '_dnsName'), $subject->domains); } if (isset($subject->ipAddresses) && count($subject->ipAddresses)) { @@ -3345,7 +3492,8 @@ class File_X509 $keyUsage = array(); } - $this->setExtension('id-ce-keyUsage', + $this->setExtension( + 'id-ce-keyUsage', array_values(array_unique(array_merge($keyUsage, array('cRLSign', 'keyCertSign')))) ); @@ -3354,8 +3502,11 @@ class File_X509 $basicConstraints = array(); } - $this->setExtension('id-ce-basicConstraints', - array_unique(array_merge(array('cA' => true), $basicConstraints)), true); + $this->setExtension( + 'id-ce-basicConstraints', + array_unique(array_merge(array('cA' => true), $basicConstraints)), + true + ); if (!isset($subject->currentKeyIdentifier)) { $this->setExtension('id-ce-subjectKeyIdentifier', base64_encode($this->computeKeyIdentifier($this->currentCert)), false, false); @@ -3363,7 +3514,7 @@ class File_X509 } // resync $this->signatureSubject - // save $tbsCertificate in case there are any File_ASN1_Element objects in it + // save $tbsCertificate in case there are any \phpseclib\File\ASN1\Element objects in it $tbsCertificate = $this->currentCert['tbsCertificate']; $this->loadX509($this->saveX509($this->currentCert)); @@ -3380,7 +3531,7 @@ class File_X509 * Sign a CSR * * @access public - * @return Mixed + * @return mixed */ function signCSR($signatureAlgorithm = 'sha1WithRSAEncryption') { @@ -3415,13 +3566,13 @@ class File_X509 'subject' => $this->dn, 'subjectPKInfo' => $publicKey ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later + 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), + 'signature' => false // this is going to be overwritten later ); } // resync $this->signatureSubject - // save $certificationRequestInfo in case there are any File_ASN1_Element objects in it + // save $certificationRequestInfo in case there are any \phpseclib\File\ASN1\Element objects in it $certificationRequestInfo = $this->currentCert['certificationRequestInfo']; $this->loadCSR($this->saveCSR($this->currentCert)); @@ -3438,7 +3589,7 @@ class File_X509 * Sign a SPKAC * * @access public - * @return Mixed + * @return mixed */ function signSPKAC($signatureAlgorithm = 'sha1WithRSAEncryption') { @@ -3477,16 +3628,16 @@ class File_X509 // "A challenge string that is submitted along with the public key. Defaults to an empty string if not specified." // both Firefox and OpenSSL ("openssl spkac -key private.key") behave this way // we could alternatively do this instead if we ignored the specs: - // crypt_random_string(8) & str_repeat("\x7F", 8) + // Random::string(8) & str_repeat("\x7F", 8) 'challenge' => !empty($this->challenge) ? $this->challenge : '' ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later + 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), + 'signature' => false // this is going to be overwritten later ); } // resync $this->signatureSubject - // save $publicKeyAndChallenge in case there are any File_ASN1_Element objects in it + // save $publicKeyAndChallenge in case there are any \phpseclib\File\ASN1\Element objects in it $publicKeyAndChallenge = $this->currentCert['publicKeyAndChallenge']; $this->loadSPKAC($this->saveSPKAC($this->currentCert)); @@ -3504,11 +3655,11 @@ class File_X509 * * $issuer's private key needs to be loaded. * - * @param File_X509 $issuer - * @param File_X509 $crl - * @param String $signatureAlgorithm optional + * @param \phpseclib\File\X509 $issuer + * @param \phpseclib\File\X509 $crl + * @param string $signatureAlgorithm optional * @access public - * @return Mixed + * @return mixed */ function signCRL($issuer, $crl, $signatureAlgorithm = 'sha1WithRSAEncryption') { @@ -3533,8 +3684,8 @@ class File_X509 'issuer' => false, // this is going to be overwritten later 'thisUpdate' => $this->_timeField($thisUpdate) // $this->setStartDate() ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later + 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), + 'signature' => false // this is going to be overwritten later ); } @@ -3552,7 +3703,12 @@ class File_X509 $crlNumber = $this->serialNumber; } else { $crlNumber = $this->getExtension('id-ce-cRLNumber'); - $crlNumber = $crlNumber !== false ? $crlNumber->add(new Math_BigInteger(1)) : null; + // "The CRL number is a non-critical CRL extension that conveys a + // monotonically increasing sequence number for a given CRL scope and + // CRL issuer. This extension allows users to easily determine when a + // particular CRL supersedes another CRL." + // -- https://tools.ietf.org/html/rfc5280#section-5.2.3 + $crlNumber = $crlNumber !== false ? $crlNumber->add(new BigInteger(1)) : null; } $this->removeExtension('id-ce-authorityKeyIdentifier'); @@ -3590,8 +3746,7 @@ class File_X509 // ) //), 'keyIdentifier' => $issuer->currentKeyIdentifier - ) - ); + )); //$extensions = &$tbsCertList['crlExtensions']; //if (isset($issuer->serialNumber)) { // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber; @@ -3613,7 +3768,7 @@ class File_X509 unset($tbsCertList); // resync $this->signatureSubject - // save $tbsCertList in case there are any File_ASN1_Element objects in it + // save $tbsCertList in case there are any \phpseclib\File\ASN1\Element objects in it $tbsCertList = $this->currentCert['tbsCertList']; $this->loadCRL($this->saveCRL($this->currentCert)); @@ -3629,39 +3784,38 @@ class File_X509 /** * X.509 certificate signing helper function. * - * @param Object $key - * @param File_X509 $subject - * @param String $signatureAlgorithm + * @param object $key + * @param \phpseclib\File\X509 $subject + * @param string $signatureAlgorithm * @access public - * @return Mixed + * @return mixed */ function _sign($key, $signatureAlgorithm) { - switch (strtolower(get_class($key))) { - case 'crypt_rsa': - switch ($signatureAlgorithm) { - case 'md2WithRSAEncryption': - case 'md5WithRSAEncryption': - case 'sha1WithRSAEncryption': - case 'sha224WithRSAEncryption': - case 'sha256WithRSAEncryption': - case 'sha384WithRSAEncryption': - case 'sha512WithRSAEncryption': - $key->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); - $key->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1); + if ($key instanceof RSA) { + switch ($signatureAlgorithm) { + case 'md2WithRSAEncryption': + case 'md5WithRSAEncryption': + case 'sha1WithRSAEncryption': + case 'sha224WithRSAEncryption': + case 'sha256WithRSAEncryption': + case 'sha384WithRSAEncryption': + case 'sha512WithRSAEncryption': + $key->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); + $key->setSignatureMode(RSA::SIGNATURE_PKCS1); - $this->currentCert['signature'] = base64_encode("\0" . $key->sign($this->signatureSubject)); - return $this->currentCert; - } - default: - return false; + $this->currentCert['signature'] = base64_encode("\0" . $key->sign($this->signatureSubject)); + return $this->currentCert; + } } + + return false; } /** * Set certificate start date * - * @param String $date + * @param string $date * @access public */ function setStartDate($date) @@ -3672,7 +3826,7 @@ class File_X509 /** * Set certificate end date * - * @param String $date + * @param string $date * @access public */ function setEndDate($date) @@ -3686,9 +3840,9 @@ class File_X509 */ if (strtolower($date) == 'lifetime') { $temp = '99991231235959Z'; - $asn1 = new File_ASN1(); - $temp = chr(FILE_ASN1_TYPE_GENERALIZED_TIME) . $asn1->_encodeLength(strlen($temp)) . $temp; - $this->endDate = new File_ASN1_Element($temp); + $asn1 = new ASN1(); + $temp = chr(ASN1::TYPE_GENERALIZED_TIME) . $asn1->_encodeLength(strlen($temp)) . $temp; + $this->endDate = new Element($temp); } else { $this->endDate = @date('D, d M Y H:i:s O', @strtotime($date)); } @@ -3697,13 +3851,13 @@ class File_X509 /** * Set Serial Number * - * @param String $serial + * @param string $serial * @param $base optional * @access public */ function setSerialNumber($serial, $base = -256) { - $this->serialNumber = new Math_BigInteger($serial, $base); + $this->serialNumber = new BigInteger($serial, $base); } /** @@ -3716,14 +3870,82 @@ class File_X509 $this->caFlag = true; } + /** + * Check for validity of subarray + * + * This is intended for use in conjunction with _subArrayUnchecked(), + * implementing the checks included in _subArray() but without copying + * a potentially large array by passing its reference by-value to is_array(). + * + * @param array $root + * @param string $path + * @return boolean + * @access private + */ + function _isSubArrayValid($root, $path) + { + if (!is_array($root)) { + return false; + } + + foreach (explode('/', $path) as $i) { + if (!is_array($root)) { + return false; + } + + if (!isset($root[$i])) { + return true; + } + + $root = $root[$i]; + } + + return true; + } + + /** + * Get a reference to a subarray + * + * This variant of _subArray() does no is_array() checking, + * so $root should be checked with _isSubArrayValid() first. + * + * This is here for performance reasons: + * Passing a reference (i.e. $root) by-value (i.e. to is_array()) + * creates a copy. If $root is an especially large array, this is expensive. + * + * @param array $root + * @param string $path absolute path with / as component separator + * @param bool $create optional + * @access private + * @return array|false + */ + function &_subArrayUnchecked(&$root, $path, $create = false) + { + $false = false; + + foreach (explode('/', $path) as $i) { + if (!isset($root[$i])) { + if (!$create) { + return $false; + } + + $root[$i] = array(); + } + + $root = &$root[$i]; + } + + return $root; + } + /** * Get a reference to a subarray * * @param array $root - * @param String $path absolute path with / as component separator - * @param Boolean $create optional + * @param string $path absolute path with / as component separator + * @param bool $create optional * @access private - * @return array item ref or false + * @return array|false */ function &_subArray(&$root, $path, $create = false) { @@ -3756,10 +3978,10 @@ class File_X509 * Get a reference to an extension subarray * * @param array $root - * @param String $path optional absolute path with / as component separator - * @param Boolean $create optional + * @param string $path optional absolute path with / as component separator + * @param bool $create optional * @access private - * @return array ref or false + * @return array|false */ function &_extensions(&$root, $path = null, $create = false) { @@ -3810,10 +4032,10 @@ class File_X509 /** * Remove an Extension * - * @param String $id - * @param String $path optional + * @param string $id + * @param string $path optional * @access private - * @return Boolean + * @return bool */ function _removeExtension($id, $path = null) { @@ -3840,11 +4062,11 @@ class File_X509 * * Returns the extension if it exists and false if not * - * @param String $id - * @param Array $cert optional - * @param String $path optional + * @param string $id + * @param array $cert optional + * @param string $path optional * @access private - * @return Mixed + * @return mixed */ function _getExtension($id, $cert = null, $path = null) { @@ -3867,9 +4089,9 @@ class File_X509 * Returns a list of all extensions in use * * @param array $cert optional - * @param String $path optional + * @param string $path optional * @access private - * @return Array + * @return array */ function _getExtensions($cert = null, $path = null) { @@ -3888,13 +4110,13 @@ class File_X509 /** * Set an Extension * - * @param String $id - * @param Mixed $value - * @param Boolean $critical optional - * @param Boolean $replace optional - * @param String $path optional + * @param string $id + * @param mixed $value + * @param bool $critical optional + * @param bool $replace optional + * @param string $path optional * @access private - * @return Boolean + * @return bool */ function _setExtension($id, $value, $critical = false, $replace = true, $path = null) { @@ -3924,9 +4146,9 @@ class File_X509 /** * Remove a certificate, CSR or CRL Extension * - * @param String $id + * @param string $id * @access public - * @return Boolean + * @return bool */ function removeExtension($id) { @@ -3938,10 +4160,10 @@ class File_X509 * * Returns the extension if it exists and false if not * - * @param String $id - * @param Array $cert optional + * @param string $id + * @param array $cert optional * @access public - * @return Mixed + * @return mixed */ function getExtension($id, $cert = null) { @@ -3953,7 +4175,7 @@ class File_X509 * * @param array $cert optional * @access public - * @return Array + * @return array */ function getExtensions($cert = null) { @@ -3963,12 +4185,12 @@ class File_X509 /** * Set a certificate, CSR or CRL Extension * - * @param String $id - * @param Mixed $value - * @param Boolean $critical optional - * @param Boolean $replace optional + * @param string $id + * @param mixed $value + * @param bool $critical optional + * @param bool $replace optional * @access public - * @return Boolean + * @return bool */ function setExtension($id, $value, $critical = false, $replace = true) { @@ -3978,12 +4200,12 @@ class File_X509 /** * Remove a CSR attribute. * - * @param String $id - * @param Integer $disposition optional + * @param string $id + * @param int $disposition optional * @access public - * @return Boolean + * @return bool */ - function removeAttribute($id, $disposition = FILE_X509_ATTR_ALL) + function removeAttribute($id, $disposition = self::ATTR_ALL) { $attributes = &$this->_subArray($this->currentCert, 'certificationRequestInfo/attributes'); @@ -3996,13 +4218,13 @@ class File_X509 if ($attribute['type'] == $id) { $n = count($attribute['value']); switch (true) { - case $disposition == FILE_X509_ATTR_APPEND: - case $disposition == FILE_X509_ATTR_REPLACE: + case $disposition == self::ATTR_APPEND: + case $disposition == self::ATTR_REPLACE: return false; case $disposition >= $n: $disposition -= $n; break; - case $disposition == FILE_X509_ATTR_ALL: + case $disposition == self::ATTR_ALL: case $n == 1: unset($attributes[$key]); $result = true; @@ -4013,7 +4235,7 @@ class File_X509 $result = true; break; } - if ($result && $disposition != FILE_X509_ATTR_ALL) { + if ($result && $disposition != self::ATTR_ALL) { break; } } @@ -4028,13 +4250,13 @@ class File_X509 * * Returns the attribute if it exists and false if not * - * @param String $id - * @param Integer $disposition optional - * @param Array $csr optional + * @param string $id + * @param int $disposition optional + * @param array $csr optional * @access public - * @return Mixed + * @return mixed */ - function getAttribute($id, $disposition = FILE_X509_ATTR_ALL, $csr = null) + function getAttribute($id, $disposition = self::ATTR_ALL, $csr = null) { if (empty($csr)) { $csr = $this->currentCert; @@ -4050,10 +4272,10 @@ class File_X509 if ($attribute['type'] == $id) { $n = count($attribute['value']); switch (true) { - case $disposition == FILE_X509_ATTR_APPEND: - case $disposition == FILE_X509_ATTR_REPLACE: + case $disposition == self::ATTR_APPEND: + case $disposition == self::ATTR_REPLACE: return false; - case $disposition == FILE_X509_ATTR_ALL: + case $disposition == self::ATTR_ALL: return $attribute['value']; case $disposition >= $n: $disposition -= $n; @@ -4072,7 +4294,7 @@ class File_X509 * * @param array $csr optional * @access public - * @return Array + * @return array */ function getAttributes($csr = null) { @@ -4095,13 +4317,13 @@ class File_X509 /** * Set a CSR attribute * - * @param String $id - * @param Mixed $value - * @param Boolean $disposition optional + * @param string $id + * @param mixed $value + * @param bool $disposition optional * @access public - * @return Boolean + * @return bool */ - function setAttribute($id, $value, $disposition = FILE_X509_ATTR_ALL) + function setAttribute($id, $value, $disposition = self::ATTR_ALL) { $attributes = &$this->_subArray($this->currentCert, 'certificationRequestInfo/attributes', true); @@ -4110,9 +4332,9 @@ class File_X509 } switch ($disposition) { - case FILE_X509_ATTR_REPLACE: - $disposition = FILE_X509_ATTR_APPEND; - case FILE_X509_ATTR_ALL: + case self::ATTR_REPLACE: + $disposition = self::ATTR_APPEND; + case self::ATTR_ALL: $this->removeAttribute($id); break; } @@ -4121,10 +4343,10 @@ class File_X509 if ($attribute['type'] == $id) { $n = count($attribute['value']); switch (true) { - case $disposition == FILE_X509_ATTR_APPEND: + case $disposition == self::ATTR_APPEND: $last = $key; break; - case $disposition >= $n; + case $disposition >= $n: $disposition -= $n; break; default: @@ -4141,7 +4363,7 @@ class File_X509 $attributes[$last]['value'][] = $value; break; default: - $attributes[] = array('type' => $id, 'value' => $disposition == FILE_X509_ATTR_ALL ? $value: array($value)); + $attributes[] = array('type' => $id, 'value' => $disposition == self::ATTR_ALL ? $value: array($value)); break; } @@ -4153,7 +4375,7 @@ class File_X509 * * This is used by the id-ce-authorityKeyIdentifier and the id-ce-subjectKeyIdentifier extensions. * - * @param String $value + * @param string $value * @access public */ function setKeyIdentifier($value) @@ -4173,15 +4395,15 @@ class File_X509 * recommended methods (4.2.1.2 RFC 3280). * Highly polymorphic: try to accept all possible forms of key: * - Key object - * - File_X509 object with public or private key defined + * - \phpseclib\File\X509 object with public or private key defined * - Certificate or CSR array - * - File_ASN1_Element object + * - \phpseclib\File\ASN1\Element object * - PEM or DER string * - * @param Mixed $key optional - * @param Integer $method optional + * @param mixed $key optional + * @param int $method optional * @access public - * @return String binary key identifier + * @return string binary key identifier */ function computeKeyIdentifier($key = null, $method = 1) { @@ -4198,23 +4420,20 @@ class File_X509 return $this->computeKeyIdentifier($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], $method); case !is_object($key): return false; - case strtolower(get_class($key)) == 'file_asn1_element': + case $key instanceof Element: // Assume the element is a bitstring-packed key. - $asn1 = new File_ASN1(); + $asn1 = new ASN1(); $decoded = $asn1->decodeBER($key->element); if (empty($decoded)) { return false; } - $raw = $asn1->asn1map($decoded[0], array('type' => FILE_ASN1_TYPE_BIT_STRING)); + $raw = $asn1->asn1map($decoded[0], array('type' => ASN1::TYPE_BIT_STRING)); if (empty($raw)) { return false; } $raw = base64_decode($raw); // If the key is private, compute identifier from its corresponding public key. - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - $key = new Crypt_RSA(); + $key = new RSA(); if (!$key->loadKey($raw)) { return false; // Not an unencrypted RSA key. } @@ -4223,7 +4442,7 @@ class File_X509 } $key = $raw; // Is a public key. break; - case strtolower(get_class($key)) == 'file_x509': + case $key instanceof X509: if (isset($key->publicKey)) { return $this->computeKeyIdentifier($key->publicKey, $method); } @@ -4234,8 +4453,8 @@ class File_X509 return $this->computeKeyIdentifier($key->currentCert, $method); } return false; - default: // Should be a key object (i.e.: Crypt_RSA). - $key = $key->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_PKCS1); + default: // Should be a key object (i.e.: \phpseclib\Crypt\RSA). + $key = $key->getPublicKey(RSA::PUBLIC_FORMAT_PKCS1); break; } @@ -4243,10 +4462,7 @@ class File_X509 $key = $this->_extractBER($key); // Now we have the key string: compute its sha-1 sum. - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } - $hash = new Crypt_Hash('sha1'); + $hash = new Hash('sha1'); $hash = $hash->hash($key); if ($method == 2) { @@ -4261,33 +4477,28 @@ class File_X509 * Format a public key as appropriate * * @access private - * @return Array + * @return array */ function _formatSubjectPublicKey() { - if (!isset($this->publicKey) || !is_object($this->publicKey)) { - return false; + if ($this->publicKey instanceof RSA) { + // the following two return statements do the same thing. i dunno.. i just prefer the later for some reason. + // the former is a good example of how to do fuzzing on the public key + //return new Element(base64_decode(preg_replace('#-.+-|[\r\n]#', '', $this->publicKey->getPublicKey()))); + return array( + 'algorithm' => array('algorithm' => 'rsaEncryption'), + 'subjectPublicKey' => $this->publicKey->getPublicKey(RSA::PUBLIC_FORMAT_PKCS1) + ); } - switch (strtolower(get_class($this->publicKey))) { - case 'crypt_rsa': - // the following two return statements do the same thing. i dunno.. i just prefer the later for some reason. - // the former is a good example of how to do fuzzing on the public key - //return new File_ASN1_Element(base64_decode(preg_replace('#-.+-|[\r\n]#', '', $this->publicKey->getPublicKey()))); - return array( - 'algorithm' => array('algorithm' => 'rsaEncryption'), - 'subjectPublicKey' => $this->publicKey->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_PKCS1) - ); - default: - return false; - } + return false; } /** * Set the domain name's which the cert is to be valid for * * @access public - * @return Array + * @return array */ function setDomain() { @@ -4300,7 +4511,7 @@ class File_X509 * Set the IP Addresses's which the cert is to be valid for * * @access public - * @param String $ipAddress optional + * @param string $ipAddress optional */ function setIPAddress() { @@ -4317,8 +4528,8 @@ class File_X509 * Helper function to build domain array * * @access private - * @param String $domain - * @return Array + * @param string $domain + * @return array */ function _dnsName($domain) { @@ -4331,8 +4542,8 @@ class File_X509 * (IPv6 is not currently supported) * * @access private - * @param String $address - * @return Array + * @param string $address + * @return array */ function _iPAddress($address) { @@ -4343,14 +4554,14 @@ class File_X509 * Get the index of a revoked certificate. * * @param array $rclist - * @param String $serial - * @param Boolean $create optional + * @param string $serial + * @param bool $create optional * @access private - * @return Integer or false + * @return int|false */ function _revokedCertificate(&$rclist, $serial, $create = false) { - $serial = new Math_BigInteger($serial); + $serial = new BigInteger($serial); foreach ($rclist as $i => $rc) { if (!($serial->compare($rc['userCertificate']))) { @@ -4371,10 +4582,10 @@ class File_X509 /** * Revoke a certificate. * - * @param String $serial - * @param String $date optional + * @param string $serial + * @param string $date optional * @access public - * @return Boolean + * @return bool */ function revoke($serial, $date = null) { @@ -4382,7 +4593,6 @@ class File_X509 if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) { if ($this->_revokedCertificate($rclist, $serial) === false) { // If not yet revoked if (($i = $this->_revokedCertificate($rclist, $serial, true)) !== false) { - if (!empty($date)) { $rclist[$i]['revocationDate'] = $this->_timeField($date); } @@ -4399,9 +4609,9 @@ class File_X509 /** * Unrevoke a certificate. * - * @param String $serial + * @param string $serial * @access public - * @return Boolean + * @return bool */ function unrevoke($serial) { @@ -4419,9 +4629,9 @@ class File_X509 /** * Get a revoked certificate. * - * @param String $serial + * @param string $serial * @access public - * @return Mixed + * @return mixed */ function getRevoked($serial) { @@ -4465,10 +4675,10 @@ class File_X509 /** * Remove a Revoked Certificate Extension * - * @param String $serial - * @param String $id + * @param string $serial + * @param string $id * @access public - * @return Boolean + * @return bool */ function removeRevokedCertificateExtension($serial, $id) { @@ -4486,11 +4696,11 @@ class File_X509 * * Returns the extension if it exists and false if not * - * @param String $serial - * @param String $id - * @param Array $crl optional + * @param string $serial + * @param string $id + * @param array $crl optional * @access public - * @return Mixed + * @return mixed */ function getRevokedCertificateExtension($serial, $id, $crl = null) { @@ -4510,10 +4720,10 @@ class File_X509 /** * Returns a list of all extensions in use for a given revoked certificate * - * @param String $serial + * @param string $serial * @param array $crl optional * @access public - * @return Array + * @return array */ function getRevokedCertificateExtensions($serial, $crl = null) { @@ -4533,13 +4743,13 @@ class File_X509 /** * Set a Revoked Certificate Extension * - * @param String $serial - * @param String $id - * @param Mixed $value - * @param Boolean $critical optional - * @param Boolean $replace optional + * @param string $serial + * @param string $id + * @param mixed $value + * @param bool $critical optional + * @param bool $replace optional * @access public - * @return Boolean + * @return bool */ function setRevokedCertificateExtension($serial, $id, $value, $critical = false, $replace = true) { @@ -4558,8 +4768,8 @@ class File_X509 * Extract raw BER from Base64 encoding * * @access private - * @param String $str - * @return String + * @param string $str + * @return string */ function _extractBER($str) { @@ -4572,7 +4782,7 @@ class File_X509 * subject=/O=organization/OU=org unit/CN=common name * issuer=/O=organization/CN=common name */ - $temp = preg_replace('#.*?^-+[^-]+-+#ms', '', $str, 1); + $temp = preg_replace('#.*?^-+[^-]+-+[\r\n ]*$#ms', '', $str, 1); // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff $temp = preg_replace('#-+[^-]+-+#', '', $temp); // remove new lines @@ -4580,4 +4790,31 @@ class File_X509 $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false; return $temp != false ? $temp : $str; } + + /** + * Returns the OID corresponding to a name + * + * What's returned in the associative array returned by loadX509() (or load*()) is either a name or an OID if + * no OID to name mapping is available. The problem with this is that what may be an unmapped OID in one version + * of phpseclib may not be unmapped in the next version, so apps that are looking at this OID may not be able + * to work from version to version. + * + * This method will return the OID if a name is passed to it and if no mapping is avialable it'll assume that + * what's being passed to it already is an OID and return that instead. A few examples. + * + * getOID('2.16.840.1.101.3.4.2.1') == '2.16.840.1.101.3.4.2.1' + * getOID('id-sha256') == '2.16.840.1.101.3.4.2.1' + * getOID('zzz') == 'zzz' + * + * @access public + * @return string + */ + function getOID($name) + { + static $reverseMap; + if (!isset($reverseMap)) { + $reverseMap = array_flip($this->oids); + } + return isset($reverseMap[$name]) ? $reverseMap[$name] : $name; + } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger.php index 8e54f741e..4b13d7c64 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger.php @@ -6,12 +6,12 @@ * Supports base-2, base-10, base-16, and base-256 numbers. Uses the GMP or BCMath extensions, if available, * and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * * {@internal (all DocBlock comments regarding implementation - such as the one that follows - refer to the - * {@link MATH_BIGINTEGER_MODE_INTERNAL MATH_BIGINTEGER_MODE_INTERNAL} mode) + * {@link self::MODE_INTERNAL self::MODE_INTERNAL} mode) * - * Math_BigInteger uses base-2**26 to perform operations such as multiplication and division and + * BigInteger uses base-2**26 to perform operations such as multiplication and division and * base-2**52 (ie. two base 2**26 digits) to perform addition and subtraction. Because the largest possible * value when multiplying two base-2**26 numbers together is a base-2**52 number, double precision floating * point numbers - numbers that should be supported on most hardware and whose significand is 53 bits - are @@ -20,7 +20,7 @@ * base is being used should more than compensate. * * Numbers are stored in {@link http://en.wikipedia.org/wiki/Endianness little endian} format. ie. - * (new Math_BigInteger(pow(2, 26)))->value = array(0, 1) + * (new \phpseclib\Math\BigInteger(pow(2, 26)))->value = array(0, 1) * * Useful resources are as follows: * @@ -31,10 +31,8 @@ * Here's an example of how to use this library: * * add($b); * @@ -42,143 +40,153 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Math - * @package Math_BigInteger + * @package BigInteger * @author Jim Wigginton * @copyright 2006 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://pear.php.net/package/Math_BigInteger */ -/**#@+ - * Reduction constants - * - * @access private - * @see Math_BigInteger::_reduce() - */ -/** - * @see Math_BigInteger::_montgomery() - * @see Math_BigInteger::_prepMontgomery() - */ -define('MATH_BIGINTEGER_MONTGOMERY', 0); -/** - * @see Math_BigInteger::_barrett() - */ -define('MATH_BIGINTEGER_BARRETT', 1); -/** - * @see Math_BigInteger::_mod2() - */ -define('MATH_BIGINTEGER_POWEROF2', 2); -/** - * @see Math_BigInteger::_remainder() - */ -define('MATH_BIGINTEGER_CLASSIC', 3); -/** - * @see Math_BigInteger::__clone() - */ -define('MATH_BIGINTEGER_NONE', 4); -/**#@-*/ +namespace phpseclib\Math; -/**#@+ - * Array constants - * - * Rather than create a thousands and thousands of new Math_BigInteger objects in repeated function calls to add() and - * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them. - * - * @access private - */ -/** - * $result[MATH_BIGINTEGER_VALUE] contains the value. - */ -define('MATH_BIGINTEGER_VALUE', 0); -/** - * $result[MATH_BIGINTEGER_SIGN] contains the sign. - */ -define('MATH_BIGINTEGER_SIGN', 1); -/**#@-*/ - -/**#@+ - * @access private - * @see Math_BigInteger::_montgomery() - * @see Math_BigInteger::_barrett() - */ -/** - * Cache constants - * - * $cache[MATH_BIGINTEGER_VARIABLE] tells us whether or not the cached data is still valid. - */ -define('MATH_BIGINTEGER_VARIABLE', 0); -/** - * $cache[MATH_BIGINTEGER_DATA] contains the cached data. - */ -define('MATH_BIGINTEGER_DATA', 1); -/**#@-*/ - -/**#@+ - * Mode constants. - * - * @access private - * @see Math_BigInteger::Math_BigInteger() - */ -/** - * To use the pure-PHP implementation - */ -define('MATH_BIGINTEGER_MODE_INTERNAL', 1); -/** - * To use the BCMath library - * - * (if enabled; otherwise, the internal implementation will be used) - */ -define('MATH_BIGINTEGER_MODE_BCMATH', 2); -/** - * To use the GMP library - * - * (if present; otherwise, either the BCMath or the internal implementation will be used) - */ -define('MATH_BIGINTEGER_MODE_GMP', 3); -/**#@-*/ - -/** - * Karatsuba Cutoff - * - * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication? - * - * @access private - */ -define('MATH_BIGINTEGER_KARATSUBA_CUTOFF', 25); +use phpseclib\Crypt\Random; /** * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256 * numbers. * - * @package Math_BigInteger + * @package BigInteger * @author Jim Wigginton * @access public */ -class Math_BigInteger +class BigInteger { + /**#@+ + * Reduction constants + * + * @access private + * @see BigInteger::_reduce() + */ + /** + * @see BigInteger::_montgomery() + * @see BigInteger::_prepMontgomery() + */ + const MONTGOMERY = 0; + /** + * @see BigInteger::_barrett() + */ + const BARRETT = 1; + /** + * @see BigInteger::_mod2() + */ + const POWEROF2 = 2; + /** + * @see BigInteger::_remainder() + */ + const CLASSIC = 3; + /** + * @see BigInteger::__clone() + */ + const NONE = 4; + /**#@-*/ + + /**#@+ + * Array constants + * + * Rather than create a thousands and thousands of new BigInteger objects in repeated function calls to add() and + * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them. + * + * @access private + */ + /** + * $result[self::VALUE] contains the value. + */ + const VALUE = 0; + /** + * $result[self::SIGN] contains the sign. + */ + const SIGN = 1; + /**#@-*/ + + /**#@+ + * @access private + * @see BigInteger::_montgomery() + * @see BigInteger::_barrett() + */ + /** + * Cache constants + * + * $cache[self::VARIABLE] tells us whether or not the cached data is still valid. + */ + const VARIABLE = 0; + /** + * $cache[self::DATA] contains the cached data. + */ + const DATA = 1; + /**#@-*/ + + /**#@+ + * Mode constants. + * + * @access private + * @see BigInteger::__construct() + */ + /** + * To use the pure-PHP implementation + */ + const MODE_INTERNAL = 1; + /** + * To use the BCMath library + * + * (if enabled; otherwise, the internal implementation will be used) + */ + const MODE_BCMATH = 2; + /** + * To use the GMP library + * + * (if present; otherwise, either the BCMath or the internal implementation will be used) + */ + const MODE_GMP = 3; + /**#@-*/ + + /** + * Karatsuba Cutoff + * + * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication? + * + * @access private + */ + const KARATSUBA_CUTOFF = 25; + + /**#@+ + * Static properties used by the pure-PHP implementation. + * + * @see __construct() + */ + protected static $base; + protected static $baseFull; + protected static $maxDigit; + protected static $msb; + + /** + * $max10 in greatest $max10Len satisfying + * $max10 = 10**$max10Len <= 2**$base. + */ + protected static $max10; + + /** + * $max10Len in greatest $max10Len satisfying + * $max10 = 10**$max10Len <= 2**$base. + */ + protected static $max10Len; + protected static $maxDigit2; + /**#@-*/ + /** * Holds the BigInteger's value. * - * @var Array + * @var array * @access private */ var $value; @@ -186,23 +194,15 @@ class Math_BigInteger /** * Holds the BigInteger's magnitude. * - * @var Boolean + * @var bool * @access private */ var $is_negative = false; - /** - * Random number generator function - * - * @see setRandomGenerator() - * @access private - */ - var $generator = 'mt_rand'; - /** * Precision * - * @see setPrecision() + * @see self::setPrecision() * @access private */ var $precision = -1; @@ -210,7 +210,7 @@ class Math_BigInteger /** * Precision Bitmask * - * @see setPrecision() + * @see self::setPrecision() * @access private */ var $bitmask = false; @@ -222,9 +222,9 @@ class Math_BigInteger * a variable that'll be serializable regardless of whether or not extensions are being used. Unlike $this->value, * however, $this->hex is only calculated when $this->__sleep() is called. * - * @see __sleep() - * @see __wakeup() - * @var String + * @see self::__sleep() + * @see self::__wakeup() + * @var string * @access private */ var $hex; @@ -238,35 +238,33 @@ class Math_BigInteger * Here's an example: * * toString(); // outputs 50 * ?> * * - * @param optional $x base-10 number or base-$base number if $base set. - * @param optional integer $base - * @return Math_BigInteger + * @param $x base-10 number or base-$base number if $base set. + * @param int $base + * @return \phpseclib\Math\BigInteger * @access public */ - function Math_BigInteger($x = 0, $base = 10) + function __construct($x = 0, $base = 10) { - if ( !defined('MATH_BIGINTEGER_MODE') ) { + if (!defined('MATH_BIGINTEGER_MODE')) { switch (true) { case extension_loaded('gmp'): - define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_GMP); + define('MATH_BIGINTEGER_MODE', self::MODE_GMP); break; case extension_loaded('bcmath'): - define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_BCMATH); + define('MATH_BIGINTEGER_MODE', self::MODE_BCMATH); break; default: - define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_INTERNAL); + define('MATH_BIGINTEGER_MODE', self::MODE_INTERNAL); } } - if (function_exists('openssl_public_encrypt') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { + if (extension_loaded('openssl') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work ob_start(); @phpinfo(); @@ -294,6 +292,7 @@ class Math_BigInteger case !isset($versions['Header']): case !isset($versions['Library']): case $versions['Header'] == $versions['Library']: + case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0: define('MATH_BIGINTEGER_OPENSSL_ENABLED', true); break; default: @@ -305,47 +304,41 @@ class Math_BigInteger define('PHP_INT_SIZE', 4); } - if (!defined('MATH_BIGINTEGER_BASE') && MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_INTERNAL) { + if (empty(self::$base) && MATH_BIGINTEGER_MODE == self::MODE_INTERNAL) { switch (PHP_INT_SIZE) { case 8: // use 64-bit integers if int size is 8 bytes - define('MATH_BIGINTEGER_BASE', 31); - define('MATH_BIGINTEGER_BASE_FULL', 0x80000000); - define('MATH_BIGINTEGER_MAX_DIGIT', 0x7FFFFFFF); - define('MATH_BIGINTEGER_MSB', 0x40000000); - // 10**9 is the closest we can get to 2**31 without passing it - define('MATH_BIGINTEGER_MAX10', 1000000000); - define('MATH_BIGINTEGER_MAX10_LEN', 9); - // the largest digit that may be used in addition / subtraction - define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 62)); + self::$base = 31; + self::$baseFull = 0x80000000; + self::$maxDigit = 0x7FFFFFFF; + self::$msb = 0x40000000; + self::$max10 = 1000000000; + self::$max10Len = 9; + self::$maxDigit2 = pow(2, 62); break; //case 4: // use 64-bit floats if int size is 4 bytes default: - define('MATH_BIGINTEGER_BASE', 26); - define('MATH_BIGINTEGER_BASE_FULL', 0x4000000); - define('MATH_BIGINTEGER_MAX_DIGIT', 0x3FFFFFF); - define('MATH_BIGINTEGER_MSB', 0x2000000); - // 10**7 is the closest to 2**26 without passing it - define('MATH_BIGINTEGER_MAX10', 10000000); - define('MATH_BIGINTEGER_MAX10_LEN', 7); - // the largest digit that may be used in addition / subtraction - // we do pow(2, 52) instead of using 4503599627370496 directly because some - // PHP installations will truncate 4503599627370496. - define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 52)); + self::$base = 26; + self::$baseFull = 0x4000000; + self::$maxDigit = 0x3FFFFFF; + self::$msb = 0x2000000; + self::$max10 = 10000000; + self::$max10Len = 7; + self::$maxDigit2 = pow(2, 52); // pow() prevents truncation } } - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: switch (true) { case is_resource($x) && get_resource_type($x) == 'GMP integer': // PHP 5.6 switched GMP from using resources to objects - case is_object($x) && get_class($x) == 'GMP': + case $x instanceof \GMP: $this->value = $x; return; } $this->value = gmp_init(0); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $this->value = '0'; break; default: @@ -364,13 +357,13 @@ class Math_BigInteger $x = ~$x; $this->is_negative = true; } - case 256: - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + case 256: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: $sign = $this->is_negative ? '-' : ''; $this->value = gmp_init($sign . '0x' . bin2hex($x)); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: // round $len to the nearest 4 (thanks, DavidMJ!) $len = (strlen($x) + 3) & 0xFFFFFFFC; @@ -389,19 +382,19 @@ class Math_BigInteger // converts a base-2**8 (big endian / msb) number to base-2**26 (little endian / lsb) default: while (strlen($x)) { - $this->value[] = $this->_bytes2int($this->_base256_rshift($x, MATH_BIGINTEGER_BASE)); + $this->value[] = $this->_bytes2int($this->_base256_rshift($x, self::$base)); } } if ($this->is_negative) { - if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) { + if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { $this->is_negative = false; } - $temp = $this->add(new Math_BigInteger('-1')); + $temp = $this->add(new static('-1')); $this->value = $temp->value; } break; - case 16: + case 16: case -16: if ($base > 0 && $x[0] == '-') { $this->is_negative = true; @@ -416,67 +409,67 @@ class Math_BigInteger $x = bin2hex(~pack('H*', $x)); } - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: $temp = $this->is_negative ? '-0x' . $x : '0x' . $x; $this->value = gmp_init($temp); $this->is_negative = false; break; - case MATH_BIGINTEGER_MODE_BCMATH: - $x = ( strlen($x) & 1 ) ? '0' . $x : $x; - $temp = new Math_BigInteger(pack('H*', $x), 256); + case self::MODE_BCMATH: + $x = (strlen($x) & 1) ? '0' . $x : $x; + $temp = new static(pack('H*', $x), 256); $this->value = $this->is_negative ? '-' . $temp->value : $temp->value; $this->is_negative = false; break; default: - $x = ( strlen($x) & 1 ) ? '0' . $x : $x; - $temp = new Math_BigInteger(pack('H*', $x), 256); + $x = (strlen($x) & 1) ? '0' . $x : $x; + $temp = new static(pack('H*', $x), 256); $this->value = $temp->value; } if ($is_negative) { - $temp = $this->add(new Math_BigInteger('-1')); + $temp = $this->add(new static('-1')); $this->value = $temp->value; } break; - case 10: + case 10: case -10: // (?value = gmp_init($x); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different // results then doing it on '-1' does (modInverse does $x[0]) $this->value = $x === '-' ? '0' : (string) $x; break; default: - $temp = new Math_BigInteger(); + $temp = new static(); - $multiplier = new Math_BigInteger(); - $multiplier->value = array(MATH_BIGINTEGER_MAX10); + $multiplier = new static(); + $multiplier->value = array(self::$max10); if ($x[0] == '-') { $this->is_negative = true; $x = substr($x, 1); } - $x = str_pad($x, strlen($x) + ((MATH_BIGINTEGER_MAX10_LEN - 1) * strlen($x)) % MATH_BIGINTEGER_MAX10_LEN, 0, STR_PAD_LEFT); + $x = str_pad($x, strlen($x) + ((self::$max10Len - 1) * strlen($x)) % self::$max10Len, 0, STR_PAD_LEFT); while (strlen($x)) { $temp = $temp->multiply($multiplier); - $temp = $temp->add(new Math_BigInteger($this->_int2bytes(substr($x, 0, MATH_BIGINTEGER_MAX10_LEN)), 256)); - $x = substr($x, MATH_BIGINTEGER_MAX10_LEN); + $temp = $temp->add(new static($this->_int2bytes(substr($x, 0, self::$max10Len)), 256)); + $x = substr($x, self::$max10Len); } $this->value = $temp->value; } break; - case 2: // base-2 support originally implemented by Lluis Pamies - thanks! + case 2: // base-2 support originally implemented by Lluis Pamies - thanks! case -2: if ($base > 0 && $x[0] == '-') { $this->is_negative = true; @@ -497,7 +490,7 @@ class Math_BigInteger $str = '-' . $str; } - $temp = new Math_BigInteger($str, 8 * $base); // ie. either -16 or +16 + $temp = new static($str, 8 * $base); // ie. either -16 or +16 $this->value = $temp->value; $this->is_negative = $temp->is_negative; @@ -516,28 +509,26 @@ class Math_BigInteger * Here's an example: * * toBytes(); // outputs chr(65) * ?> * * - * @param Boolean $twos_compliment - * @return String + * @param bool $twos_compliment + * @return string * @access public * @internal Converts a base-2**26 number to base-2**8 */ function toBytes($twos_compliment = false) { if ($twos_compliment) { - $comparison = $this->compare(new Math_BigInteger()); + $comparison = $this->compare(new static()); if ($comparison == 0) { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } - $temp = $comparison < 0 ? $this->add(new Math_BigInteger(1)) : $this->copy(); + $temp = $comparison < 0 ? $this->add(new static(1)) : $this->copy(); $bytes = $temp->toBytes(); if (empty($bytes)) { // eg. if the number we're trying to convert is -1 @@ -551,20 +542,20 @@ class Math_BigInteger return $comparison < 0 ? ~$bytes : $bytes; } - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: if (gmp_cmp($this->value, gmp_init(0)) == 0) { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } $temp = gmp_strval(gmp_abs($this->value), 16); - $temp = ( strlen($temp) & 1 ) ? '0' . $temp : $temp; + $temp = (strlen($temp) & 1) ? '0' . $temp : $temp; $temp = pack('H*', $temp); return $this->precision > 0 ? substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : ltrim($temp, chr(0)); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: if ($this->value === '0') { return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; } @@ -595,7 +586,7 @@ class Math_BigInteger $temp = $this->copy(); for ($i = count($temp->value) - 2; $i >= 0; --$i) { - $temp->_base256_lshift($result, MATH_BIGINTEGER_BASE); + $temp->_base256_lshift($result, self::$base); $result = $result | str_pad($temp->_int2bytes($temp->value[$i]), strlen($result), chr(0), STR_PAD_LEFT); } @@ -613,16 +604,14 @@ class Math_BigInteger * Here's an example: * * toHex(); // outputs '41' * ?> * * - * @param Boolean $twos_compliment - * @return String + * @param bool $twos_compliment + * @return string * @access public * @internal Converts a base-2**26 number to base-2**8 */ @@ -640,16 +629,14 @@ class Math_BigInteger * Here's an example: * * toBits(); // outputs '1000001' * ?> * * - * @param Boolean $twos_compliment - * @return String + * @param bool $twos_compliment + * @return string * @access public * @internal Converts a base-2**26 number to base-2**2 */ @@ -665,7 +652,7 @@ class Math_BigInteger } $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0'); - if ($twos_compliment && $this->compare(new Math_BigInteger()) > 0 && $this->precision <= 0) { + if ($twos_compliment && $this->compare(new static()) > 0 && $this->precision <= 0) { return '0' . $result; } @@ -678,24 +665,22 @@ class Math_BigInteger * Here's an example: * * toString(); // outputs 50 * ?> * * - * @return String + * @return string * @access public * @internal Converts a base-2**26 number to base-10**7 (which is pretty much base-10) */ function toString() { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: return gmp_strval($this->value); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: if ($this->value === '0') { return '0'; } @@ -710,12 +695,12 @@ class Math_BigInteger $temp = $this->copy(); $temp->is_negative = false; - $divisor = new Math_BigInteger(); - $divisor->value = array(MATH_BIGINTEGER_MAX10); + $divisor = new static(); + $divisor->value = array(self::$max10); $result = ''; while (count($temp->value)) { list($temp, $mod) = $temp->divide($divisor); - $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', MATH_BIGINTEGER_MAX10_LEN, '0', STR_PAD_LEFT) . $result; + $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', self::$max10Len, '0', STR_PAD_LEFT) . $result; } $result = ltrim($result, '0'); if (empty($result)) { @@ -738,15 +723,14 @@ class Math_BigInteger * {@link http://php.net/language.oop5.basic#51624} * * @access public - * @see __clone() - * @return Math_BigInteger + * @see self::__clone() + * @return \phpseclib\Math\BigInteger */ function copy() { - $temp = new Math_BigInteger(); + $temp = new static(); $temp->value = $this->value; $temp->is_negative = $this->is_negative; - $temp->generator = $this->generator; $temp->precision = $this->precision; $temp->bitmask = $this->bitmask; return $temp; @@ -769,14 +753,14 @@ class Math_BigInteger /** * __clone() magic method * - * Although you can call Math_BigInteger::__toString() directly in PHP5, you cannot call Math_BigInteger::__clone() - * directly in PHP5. You can in PHP4 since it's not a magic method, but in PHP5, you have to call it by using the PHP5 - * only syntax of $y = clone $x. As such, if you're trying to write an application that works on both PHP4 and PHP5, - * call Math_BigInteger::copy(), instead. + * Although you can call BigInteger::__toString() directly in PHP5, you cannot call BigInteger::__clone() directly + * in PHP5. You can in PHP4 since it's not a magic method, but in PHP5, you have to call it by using the PHP5 + * only syntax of $y = clone $x. As such, if you're trying to write an application that works on both PHP4 and + * PHP5, call BigInteger::copy(), instead. * * @access public - * @see copy() - * @return Math_BigInteger + * @see self::copy() + * @return \phpseclib\Math\BigInteger */ function __clone() { @@ -786,55 +770,81 @@ class Math_BigInteger /** * __sleep() magic method * - * Will be called, automatically, when serialize() is called on a Math_BigInteger object. + * Will be called, automatically, when serialize() is called on a BigInteger object. * - * @see __wakeup() + * @see self::__wakeup() * @access public */ function __sleep() { $this->hex = $this->toHex(true); $vars = array('hex'); - if ($this->generator != 'mt_rand') { - $vars[] = 'generator'; - } if ($this->precision > 0) { $vars[] = 'precision'; } return $vars; - } /** * __wakeup() magic method * - * Will be called, automatically, when unserialize() is called on a Math_BigInteger object. + * Will be called, automatically, when unserialize() is called on a BigInteger object. * - * @see __sleep() + * @see self::__sleep() * @access public */ function __wakeup() { - $temp = new Math_BigInteger($this->hex, -16); + $temp = new static($this->hex, -16); $this->value = $temp->value; $this->is_negative = $temp->is_negative; - $this->setRandomGenerator($this->generator); if ($this->precision > 0) { // recalculate $this->bitmask $this->setPrecision($this->precision); } } + /** + * __debugInfo() magic method + * + * Will be called, automatically, when print_r() or var_dump() are called + * + * @access public + */ + function __debugInfo() + { + $opts = array(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $engine = 'gmp'; + break; + case self::MODE_BCMATH: + $engine = 'bcmath'; + break; + case self::MODE_INTERNAL: + $engine = 'internal'; + $opts[] = PHP_INT_SIZE == 8 ? '64-bit' : '32-bit'; + } + if (MATH_BIGINTEGER_MODE != self::MODE_GMP && defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { + $opts[] = 'OpenSSL'; + } + if (!empty($opts)) { + $engine.= ' (' . implode($opts, ', ') . ')'; + } + return array( + 'value' => '0x' . $this->toHex(true), + 'engine' => $engine + ); + } + /** * Adds two BigIntegers. * * Here's an example: * * add($b); * @@ -842,21 +852,21 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $y - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $y + * @return \phpseclib\Math\BigInteger * @access public * @internal Performs base-2**52 addition */ function add($y) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_add($this->value, $y->value); return $this->_normalize($temp); - case MATH_BIGINTEGER_MODE_BCMATH: - $temp = new Math_BigInteger(); + case self::MODE_BCMATH: + $temp = new static(); $temp->value = bcadd($this->value, $y->value, 0); return $this->_normalize($temp); @@ -864,9 +874,9 @@ class Math_BigInteger $temp = $this->_add($this->value, $this->is_negative, $y->value, $y->is_negative); - $result = new Math_BigInteger(); - $result->value = $temp[MATH_BIGINTEGER_VALUE]; - $result->is_negative = $temp[MATH_BIGINTEGER_SIGN]; + $result = new static(); + $result->value = $temp[self::VALUE]; + $result->is_negative = $temp[self::SIGN]; return $this->_normalize($result); } @@ -874,11 +884,11 @@ class Math_BigInteger /** * Performs addition. * - * @param Array $x_value - * @param Boolean $x_negative - * @param Array $y_value - * @param Boolean $y_negative - * @return Array + * @param array $x_value + * @param bool $x_negative + * @param array $y_value + * @param bool $y_negative + * @return array * @access private */ function _add($x_value, $x_negative, $y_value, $y_negative) @@ -888,27 +898,27 @@ class Math_BigInteger if ($x_size == 0) { return array( - MATH_BIGINTEGER_VALUE => $y_value, - MATH_BIGINTEGER_SIGN => $y_negative + self::VALUE => $y_value, + self::SIGN => $y_negative ); - } else if ($y_size == 0) { + } elseif ($y_size == 0) { return array( - MATH_BIGINTEGER_VALUE => $x_value, - MATH_BIGINTEGER_SIGN => $x_negative + self::VALUE => $x_value, + self::SIGN => $x_negative ); } // subtract, if appropriate - if ( $x_negative != $y_negative ) { - if ( $x_value == $y_value ) { + if ($x_negative != $y_negative) { + if ($x_value == $y_value) { return array( - MATH_BIGINTEGER_VALUE => array(), - MATH_BIGINTEGER_SIGN => false + self::VALUE => array(), + self::SIGN => false ); } $temp = $this->_subtract($x_value, false, $y_value, false); - $temp[MATH_BIGINTEGER_SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ? + $temp[self::SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ? $x_negative : $y_negative; return $temp; @@ -926,33 +936,33 @@ class Math_BigInteger $carry = 0; for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) { - $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] + $y_value[$j] * MATH_BIGINTEGER_BASE_FULL + $y_value[$i] + $carry; - $carry = $sum >= MATH_BIGINTEGER_MAX_DIGIT2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 - $sum = $carry ? $sum - MATH_BIGINTEGER_MAX_DIGIT2 : $sum; + $sum = $x_value[$j] * self::$baseFull + $x_value[$i] + $y_value[$j] * self::$baseFull + $y_value[$i] + $carry; + $carry = $sum >= self::$maxDigit2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 + $sum = $carry ? $sum - self::$maxDigit2 : $sum; - $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31); + $temp = self::$base === 26 ? intval($sum / 0x4000000) : ($sum >> 31); - $value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); // eg. a faster alternative to fmod($sum, 0x4000000) + $value[$i] = (int) ($sum - self::$baseFull * $temp); // eg. a faster alternative to fmod($sum, 0x4000000) $value[$j] = $temp; } if ($j == $size) { // ie. if $y_size is odd $sum = $x_value[$i] + $y_value[$i] + $carry; - $carry = $sum >= MATH_BIGINTEGER_BASE_FULL; - $value[$i] = $carry ? $sum - MATH_BIGINTEGER_BASE_FULL : $sum; + $carry = $sum >= self::$baseFull; + $value[$i] = $carry ? $sum - self::$baseFull : $sum; ++$i; // ie. let $i = $j since we've just done $value[$i] } if ($carry) { - for (; $value[$i] == MATH_BIGINTEGER_MAX_DIGIT; ++$i) { + for (; $value[$i] == self::$maxDigit; ++$i) { $value[$i] = 0; } ++$value[$i]; } return array( - MATH_BIGINTEGER_VALUE => $this->_trim($value), - MATH_BIGINTEGER_SIGN => $x_negative + self::VALUE => $this->_trim($value), + self::SIGN => $x_negative ); } @@ -962,10 +972,8 @@ class Math_BigInteger * Here's an example: * * subtract($b); * @@ -973,21 +981,21 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $y - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $y + * @return \phpseclib\Math\BigInteger * @access public * @internal Performs base-2**52 subtraction */ function subtract($y) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_sub($this->value, $y->value); return $this->_normalize($temp); - case MATH_BIGINTEGER_MODE_BCMATH: - $temp = new Math_BigInteger(); + case self::MODE_BCMATH: + $temp = new static(); $temp->value = bcsub($this->value, $y->value, 0); return $this->_normalize($temp); @@ -995,9 +1003,9 @@ class Math_BigInteger $temp = $this->_subtract($this->value, $this->is_negative, $y->value, $y->is_negative); - $result = new Math_BigInteger(); - $result->value = $temp[MATH_BIGINTEGER_VALUE]; - $result->is_negative = $temp[MATH_BIGINTEGER_SIGN]; + $result = new static(); + $result->value = $temp[self::VALUE]; + $result->is_negative = $temp[self::SIGN]; return $this->_normalize($result); } @@ -1005,11 +1013,11 @@ class Math_BigInteger /** * Performs subtraction. * - * @param Array $x_value - * @param Boolean $x_negative - * @param Array $y_value - * @param Boolean $y_negative - * @return Array + * @param array $x_value + * @param bool $x_negative + * @param array $y_value + * @param bool $y_negative + * @return array * @access private */ function _subtract($x_value, $x_negative, $y_value, $y_negative) @@ -1019,35 +1027,35 @@ class Math_BigInteger if ($x_size == 0) { return array( - MATH_BIGINTEGER_VALUE => $y_value, - MATH_BIGINTEGER_SIGN => !$y_negative + self::VALUE => $y_value, + self::SIGN => !$y_negative ); - } else if ($y_size == 0) { + } elseif ($y_size == 0) { return array( - MATH_BIGINTEGER_VALUE => $x_value, - MATH_BIGINTEGER_SIGN => $x_negative + self::VALUE => $x_value, + self::SIGN => $x_negative ); } // add, if appropriate (ie. -$x - +$y or +$x - -$y) - if ( $x_negative != $y_negative ) { + if ($x_negative != $y_negative) { $temp = $this->_add($x_value, false, $y_value, false); - $temp[MATH_BIGINTEGER_SIGN] = $x_negative; + $temp[self::SIGN] = $x_negative; return $temp; } $diff = $this->_compare($x_value, $x_negative, $y_value, $y_negative); - if ( !$diff ) { + if (!$diff) { return array( - MATH_BIGINTEGER_VALUE => array(), - MATH_BIGINTEGER_SIGN => false + self::VALUE => array(), + self::SIGN => false ); } // switch $x and $y around, if appropriate. - if ( (!$x_negative && $diff < 0) || ($x_negative && $diff > 0) ) { + if ((!$x_negative && $diff < 0) || ($x_negative && $diff > 0)) { $temp = $x_value; $x_value = $y_value; $y_value = $temp; @@ -1062,33 +1070,33 @@ class Math_BigInteger $carry = 0; for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) { - $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] - $y_value[$j] * MATH_BIGINTEGER_BASE_FULL - $y_value[$i] - $carry; + $sum = $x_value[$j] * self::$baseFull + $x_value[$i] - $y_value[$j] * self::$baseFull - $y_value[$i] - $carry; $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 - $sum = $carry ? $sum + MATH_BIGINTEGER_MAX_DIGIT2 : $sum; + $sum = $carry ? $sum + self::$maxDigit2 : $sum; - $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31); + $temp = self::$base === 26 ? intval($sum / 0x4000000) : ($sum >> 31); - $x_value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); + $x_value[$i] = (int) ($sum - self::$baseFull * $temp); $x_value[$j] = $temp; } if ($j == $y_size) { // ie. if $y_size is odd $sum = $x_value[$i] - $y_value[$i] - $carry; $carry = $sum < 0; - $x_value[$i] = $carry ? $sum + MATH_BIGINTEGER_BASE_FULL : $sum; + $x_value[$i] = $carry ? $sum + self::$baseFull : $sum; ++$i; } if ($carry) { for (; !$x_value[$i]; ++$i) { - $x_value[$i] = MATH_BIGINTEGER_MAX_DIGIT; + $x_value[$i] = self::$maxDigit; } --$x_value[$i]; } return array( - MATH_BIGINTEGER_VALUE => $this->_trim($x_value), - MATH_BIGINTEGER_SIGN => $x_negative + self::VALUE => $this->_trim($x_value), + self::SIGN => $x_negative ); } @@ -1098,10 +1106,8 @@ class Math_BigInteger * Here's an example: * * multiply($b); * @@ -1109,20 +1115,20 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $x - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $x + * @return \phpseclib\Math\BigInteger * @access public */ function multiply($x) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_mul($this->value, $x->value); return $this->_normalize($temp); - case MATH_BIGINTEGER_MODE_BCMATH: - $temp = new Math_BigInteger(); + case self::MODE_BCMATH: + $temp = new static(); $temp->value = bcmul($this->value, $x->value, 0); return $this->_normalize($temp); @@ -1130,9 +1136,9 @@ class Math_BigInteger $temp = $this->_multiply($this->value, $this->is_negative, $x->value, $x->is_negative); - $product = new Math_BigInteger(); - $product->value = $temp[MATH_BIGINTEGER_VALUE]; - $product->is_negative = $temp[MATH_BIGINTEGER_SIGN]; + $product = new static(); + $product->value = $temp[self::VALUE]; + $product->is_negative = $temp[self::SIGN]; return $this->_normalize($product); } @@ -1140,37 +1146,37 @@ class Math_BigInteger /** * Performs multiplication. * - * @param Array $x_value - * @param Boolean $x_negative - * @param Array $y_value - * @param Boolean $y_negative - * @return Array + * @param array $x_value + * @param bool $x_negative + * @param array $y_value + * @param bool $y_negative + * @return array * @access private */ function _multiply($x_value, $x_negative, $y_value, $y_negative) { //if ( $x_value == $y_value ) { // return array( - // MATH_BIGINTEGER_VALUE => $this->_square($x_value), - // MATH_BIGINTEGER_SIGN => $x_sign != $y_value + // self::VALUE => $this->_square($x_value), + // self::SIGN => $x_sign != $y_value // ); //} $x_length = count($x_value); $y_length = count($y_value); - if ( !$x_length || !$y_length ) { // a 0 is being multiplied + if (!$x_length || !$y_length) { // a 0 is being multiplied return array( - MATH_BIGINTEGER_VALUE => array(), - MATH_BIGINTEGER_SIGN => false + self::VALUE => array(), + self::SIGN => false ); } return array( - MATH_BIGINTEGER_VALUE => min($x_length, $y_length) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ? + self::VALUE => min($x_length, $y_length) < 2 * self::KARATSUBA_CUTOFF ? $this->_trim($this->_regularMultiply($x_value, $y_value)) : $this->_trim($this->_karatsuba($x_value, $y_value)), - MATH_BIGINTEGER_SIGN => $x_negative != $y_negative + self::SIGN => $x_negative != $y_negative ); } @@ -1179,9 +1185,9 @@ class Math_BigInteger * * Modeled after 'multiply' in MutableBigInteger.java. * - * @param Array $x_value - * @param Array $y_value - * @return Array + * @param array $x_value + * @param array $y_value + * @return array * @access private */ function _regularMultiply($x_value, $y_value) @@ -1189,11 +1195,11 @@ class Math_BigInteger $x_length = count($x_value); $y_length = count($y_value); - if ( !$x_length || !$y_length ) { // a 0 is being multiplied + if (!$x_length || !$y_length) { // a 0 is being multiplied return array(); } - if ( $x_length < $y_length ) { + if ($x_length < $y_length) { $temp = $x_value; $x_value = $y_value; $y_value = $temp; @@ -1214,8 +1220,8 @@ class Math_BigInteger for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0 $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0 - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $product_value[$j] = (int) ($temp - self::$baseFull * $carry); } $product_value[$j] = $carry; @@ -1227,8 +1233,8 @@ class Math_BigInteger for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) { $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $product_value[$k] = (int) ($temp - self::$baseFull * $carry); } $product_value[$k] = $carry; @@ -1243,16 +1249,16 @@ class Math_BigInteger * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}. * - * @param Array $x_value - * @param Array $y_value - * @return Array + * @param array $x_value + * @param array $y_value + * @return array * @access private */ function _karatsuba($x_value, $y_value) { $m = min(count($x_value) >> 1, count($y_value) >> 1); - if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) { + if ($m < self::KARATSUBA_CUTOFF) { return $this->_regularMultiply($x_value, $y_value); } @@ -1266,29 +1272,29 @@ class Math_BigInteger $z1 = $this->_add($x1, false, $x0, false); $temp = $this->_add($y1, false, $y0, false); - $z1 = $this->_karatsuba($z1[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_VALUE]); + $z1 = $this->_karatsuba($z1[self::VALUE], $temp[self::VALUE]); $temp = $this->_add($z2, false, $z0, false); - $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false); + $z1 = $this->_subtract($z1, false, $temp[self::VALUE], false); $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); - $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]); + $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]); - $xy = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]); - $xy = $this->_add($xy[MATH_BIGINTEGER_VALUE], $xy[MATH_BIGINTEGER_SIGN], $z0, false); + $xy = $this->_add($z2, false, $z1[self::VALUE], $z1[self::SIGN]); + $xy = $this->_add($xy[self::VALUE], $xy[self::SIGN], $z0, false); - return $xy[MATH_BIGINTEGER_VALUE]; + return $xy[self::VALUE]; } /** * Performs squaring * - * @param Array $x - * @return Array + * @param array $x + * @return array * @access private */ function _square($x = false) { - return count($x) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ? + return count($x) < 2 * self::KARATSUBA_CUTOFF ? $this->_trim($this->_baseSquare($x)) : $this->_trim($this->_karatsubaSquare($x)); } @@ -1300,13 +1306,13 @@ class Math_BigInteger * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} / * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information. * - * @param Array $value - * @return Array + * @param array $value + * @return array * @access private */ function _baseSquare($value) { - if ( empty($value) ) { + if (empty($value)) { return array(); } $square_value = $this->_array_repeat(0, 2 * count($value)); @@ -1315,14 +1321,14 @@ class Math_BigInteger $i2 = $i << 1; $temp = $square_value[$i2] + $value[$i] * $value[$i]; - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $square_value[$i2] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $square_value[$i2] = (int) ($temp - self::$baseFull * $carry); // note how we start from $i+1 instead of 0 as we do in multiplication. for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) { $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry; - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $square_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $square_value[$k] = (int) ($temp - self::$baseFull * $carry); } // the following line can yield values larger 2**15. at this point, PHP should switch @@ -1339,15 +1345,15 @@ class Math_BigInteger * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}. * - * @param Array $value - * @return Array + * @param array $value + * @return array * @access private */ function _karatsubaSquare($value) { $m = count($value) >> 1; - if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) { + if ($m < self::KARATSUBA_CUTOFF) { return $this->_baseSquare($value); } @@ -1358,17 +1364,17 @@ class Math_BigInteger $z0 = $this->_karatsubaSquare($x0); $z1 = $this->_add($x1, false, $x0, false); - $z1 = $this->_karatsubaSquare($z1[MATH_BIGINTEGER_VALUE]); + $z1 = $this->_karatsubaSquare($z1[self::VALUE]); $temp = $this->_add($z2, false, $z0, false); - $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false); + $z1 = $this->_subtract($z1, false, $temp[self::VALUE], false); $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); - $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]); + $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]); - $xx = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]); - $xx = $this->_add($xx[MATH_BIGINTEGER_VALUE], $xx[MATH_BIGINTEGER_SIGN], $z0, false); + $xx = $this->_add($z2, false, $z1[self::VALUE], $z1[self::SIGN]); + $xx = $this->_add($xx[self::VALUE], $xx[self::SIGN], $z0, false); - return $xx[MATH_BIGINTEGER_VALUE]; + return $xx[self::VALUE]; } /** @@ -1382,10 +1388,8 @@ class Math_BigInteger * Here's an example: * * divide($b); * @@ -1395,17 +1399,17 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $y - * @return Array + * @param \phpseclib\Math\BigInteger $y + * @return array * @access public * @internal This function is based off of {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}. */ function divide($y) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $quotient = new Math_BigInteger(); - $remainder = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $quotient = new static(); + $remainder = new static(); list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value); @@ -1414,9 +1418,9 @@ class Math_BigInteger } return array($this->_normalize($quotient), $this->_normalize($remainder)); - case MATH_BIGINTEGER_MODE_BCMATH: - $quotient = new Math_BigInteger(); - $remainder = new Math_BigInteger(); + case self::MODE_BCMATH: + $quotient = new static(); + $remainder = new static(); $quotient->value = bcdiv($this->value, $y->value, 0); $remainder->value = bcmod($this->value, $y->value); @@ -1430,8 +1434,8 @@ class Math_BigInteger if (count($y->value) == 1) { list($q, $r) = $this->_divide_digit($this->value, $y->value[0]); - $quotient = new Math_BigInteger(); - $remainder = new Math_BigInteger(); + $quotient = new static(); + $remainder = new static(); $quotient->value = $q; $remainder->value = array($r); $quotient->is_negative = $this->is_negative != $y->is_negative; @@ -1439,8 +1443,8 @@ class Math_BigInteger } static $zero; - if ( !isset($zero) ) { - $zero = new Math_BigInteger(); + if (!isset($zero)) { + $zero = new static(); } $x = $this->copy(); @@ -1453,24 +1457,24 @@ class Math_BigInteger $diff = $x->compare($y); - if ( !$diff ) { - $temp = new Math_BigInteger(); + if (!$diff) { + $temp = new static(); $temp->value = array(1); $temp->is_negative = $x_sign != $y_sign; - return array($this->_normalize($temp), $this->_normalize(new Math_BigInteger())); + return array($this->_normalize($temp), $this->_normalize(new static())); } - if ( $diff < 0 ) { + if ($diff < 0) { // if $x is negative, "add" $y. - if ( $x_sign ) { + if ($x_sign) { $x = $y->subtract($x); } - return array($this->_normalize(new Math_BigInteger()), $this->_normalize($x)); + return array($this->_normalize(new static()), $this->_normalize($x)); } // normalize $x and $y as described in HAC 14.23 / 14.24 $msb = $y->value[count($y->value) - 1]; - for ($shift = 0; !($msb & MATH_BIGINTEGER_MSB); ++$shift) { + for ($shift = 0; !($msb & self::$msb); ++$shift) { $msb <<= 1; } $x->_lshift($shift); @@ -1480,15 +1484,15 @@ class Math_BigInteger $x_max = count($x->value) - 1; $y_max = count($y->value) - 1; - $quotient = new Math_BigInteger(); + $quotient = new static(); $quotient_value = &$quotient->value; $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1); static $temp, $lhs, $rhs; if (!isset($temp)) { - $temp = new Math_BigInteger(); - $lhs = new Math_BigInteger(); - $rhs = new Math_BigInteger(); + $temp = new static(); + $lhs = new static(); + $rhs = new static(); } $temp_value = &$temp->value; $rhs_value = &$rhs->value; @@ -1496,7 +1500,7 @@ class Math_BigInteger // $temp = $y << ($x_max - $y_max-1) in base 2**26 $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value); - while ( $x->compare($temp) >= 0 ) { + while ($x->compare($temp) >= 0) { // calculate the "common residue" ++$quotient_value[$x_max - $y_max]; $x = $x->subtract($temp); @@ -1512,15 +1516,15 @@ class Math_BigInteger ); $y_window = array( $y_value[$y_max], - ( $y_max > 0 ) ? $y_value[$y_max - 1] : 0 + ($y_max > 0) ? $y_value[$y_max - 1] : 0 ); $q_index = $i - $y_max - 1; if ($x_window[0] == $y_window[0]) { - $quotient_value[$q_index] = MATH_BIGINTEGER_MAX_DIGIT; + $quotient_value[$q_index] = self::$maxDigit; } else { $quotient_value[$q_index] = $this->_safe_divide( - $x_window[0] * MATH_BIGINTEGER_BASE_FULL + $x_window[1], + $x_window[0] * self::$baseFull + $x_window[1], $y_window[0] ); } @@ -1532,7 +1536,7 @@ class Math_BigInteger $rhs_value = array($x_window[2], $x_window[1], $x_window[0]); - while ( $lhs->compare($rhs) > 0 ) { + while ($lhs->compare($rhs) > 0) { --$quotient_value[$q_index]; $lhs->value = array($quotient_value[$q_index]); @@ -1563,7 +1567,7 @@ class Math_BigInteger $quotient->is_negative = $x_sign != $y_sign; // calculate the "common residue", if appropriate - if ( $x_sign ) { + if ($x_sign) { $y->_rshift($shift); $x = $y->subtract($x); } @@ -1576,9 +1580,9 @@ class Math_BigInteger * * abc / x = a00 / x + b0 / x + c / x * - * @param Array $dividend - * @param Array $divisor - * @return Array + * @param array $dividend + * @param array $divisor + * @return array * @access private */ function _divide_digit($dividend, $divisor) @@ -1587,7 +1591,7 @@ class Math_BigInteger $result = array(); for ($i = count($dividend) - 1; $i >= 0; --$i) { - $temp = MATH_BIGINTEGER_BASE_FULL * $carry + $dividend[$i]; + $temp = self::$baseFull * $carry + $dividend[$i]; $result[$i] = $this->_safe_divide($temp, $divisor); $carry = (int) ($temp - $divisor * $result[$i]); } @@ -1601,11 +1605,9 @@ class Math_BigInteger * Here's an example: * * modPow($b, $c); * @@ -1613,9 +1615,9 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $e - * @param Math_BigInteger $n - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $e + * @param \phpseclib\Math\BigInteger $n + * @return \phpseclib\Math\BigInteger * @access public * @internal The most naive approach to modular exponentiation has very unreasonable requirements, and * and although the approach involving repeated squaring does vastly better, it, too, is impractical @@ -1641,7 +1643,7 @@ class Math_BigInteger { $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs(); - if ($e->compare(new Math_BigInteger()) < 0) { + if ($e->compare(new static()) < 0) { $e = $e->abs(); $temp = $this->modInverse($n); @@ -1652,14 +1654,14 @@ class Math_BigInteger return $this->_normalize($temp->modPow($e, $n)); } - if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP ) { - $temp = new Math_BigInteger(); + if (MATH_BIGINTEGER_MODE == self::MODE_GMP) { + $temp = new static(); $temp->value = gmp_powm($this->value, $e->value, $n->value); return $this->_normalize($temp); } - if ($this->compare(new Math_BigInteger()) < 0 || $this->compare($n) > 0) { + if ($this->compare(new static()) < 0 || $this->compare($n) > 0) { list(, $temp) = $this->divide($n); return $temp->modPow($e, $n); } @@ -1675,17 +1677,23 @@ class Math_BigInteger 'publicExponent' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['publicExponent'])), $components['publicExponent']) ); - $RSAPublicKey = pack('Ca*a*a*', - 48, $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])), - $components['modulus'], $components['publicExponent'] + $RSAPublicKey = pack( + 'Ca*a*a*', + 48, + $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])), + $components['modulus'], + $components['publicExponent'] ); $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA $RSAPublicKey = chr(0) . $RSAPublicKey; $RSAPublicKey = chr(3) . $this->_encodeASN1Length(strlen($RSAPublicKey)) . $RSAPublicKey; - $encapsulated = pack('Ca*a*', - 48, $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey + $encapsulated = pack( + 'Ca*a*', + 48, + $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)), + $rsaOID . $RSAPublicKey ); $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" . @@ -1695,36 +1703,36 @@ class Math_BigInteger $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, "\0", STR_PAD_LEFT); if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) { - return new Math_BigInteger($result, 256); + return new static($result, 256); } } - if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) { - $temp = new Math_BigInteger(); - $temp->value = bcpowmod($this->value, $e->value, $n->value, 0); + if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { + $temp = new static(); + $temp->value = bcpowmod($this->value, $e->value, $n->value, 0); - return $this->_normalize($temp); + return $this->_normalize($temp); } - if ( empty($e->value) ) { - $temp = new Math_BigInteger(); + if (empty($e->value)) { + $temp = new static(); $temp->value = array(1); return $this->_normalize($temp); } - if ( $e->value == array(1) ) { + if ($e->value == array(1)) { list(, $temp) = $this->divide($n); return $this->_normalize($temp); } - if ( $e->value == array(2) ) { - $temp = new Math_BigInteger(); + if ($e->value == array(2)) { + $temp = new static(); $temp->value = $this->_square($this->value); list(, $temp) = $temp->divide($n); return $this->_normalize($temp); } - return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_BARRETT)); + return $this->_normalize($this->_slidingWindow($e, $n, self::BARRETT)); // the following code, although not callable, can be run independently of the above code // although the above code performed better in my benchmarks the following could might @@ -1732,14 +1740,14 @@ class Math_BigInteger // made uncallable // is the modulo odd? - if ( $n->value[0] & 1 ) { - return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_MONTGOMERY)); + if ($n->value[0] & 1) { + return $this->_normalize($this->_slidingWindow($e, $n, self::MONTGOMERY)); } // if it's not, it's even // find the lowest set bit (eg. the max pow of 2 that divides $n) for ($i = 0; $i < count($n->value); ++$i) { - if ( $n->value[$i] ) { + if ($n->value[$i]) { $temp = decbin($n->value[$i]); $j = strlen($temp) - strrpos($temp, '1') - 1; $j+= 26 * $i; @@ -1750,12 +1758,12 @@ class Math_BigInteger $mod1 = $n->copy(); $mod1->_rshift($j); - $mod2 = new Math_BigInteger(); + $mod2 = new static(); $mod2->value = array(1); $mod2->_lshift($j); - $part1 = ( $mod1->value != array(1) ) ? $this->_slidingWindow($e, $mod1, MATH_BIGINTEGER_MONTGOMERY) : new Math_BigInteger(); - $part2 = $this->_slidingWindow($e, $mod2, MATH_BIGINTEGER_POWEROF2); + $part1 = ($mod1->value != array(1)) ? $this->_slidingWindow($e, $mod1, self::MONTGOMERY) : new static(); + $part2 = $this->_slidingWindow($e, $mod2, self::POWEROF2); $y1 = $mod2->modInverse($mod1); $y2 = $mod1->modInverse($mod2); @@ -1775,11 +1783,11 @@ class Math_BigInteger /** * Performs modular exponentiation. * - * Alias for Math_BigInteger::modPow() + * Alias for modPow(). * - * @param Math_BigInteger $e - * @param Math_BigInteger $n - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $e + * @param \phpseclib\Math\BigInteger $n + * @return \phpseclib\Math\BigInteger * @access public */ function powMod($e, $n) @@ -1795,10 +1803,10 @@ class Math_BigInteger * however, this function performs a modular reduction after every multiplication and squaring operation. * As such, this function has the same preconditions that the reductions being used do. * - * @param Math_BigInteger $e - * @param Math_BigInteger $n - * @param Integer $mode - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $e + * @param \phpseclib\Math\BigInteger $n + * @param int $mode + * @return \phpseclib\Math\BigInteger * @access private */ function _slidingWindow($e, $n, $mode) @@ -1810,14 +1818,15 @@ class Math_BigInteger $e_length = count($e_value) - 1; $e_bits = decbin($e_value[$e_length]); for ($i = $e_length - 1; $i >= 0; --$i) { - $e_bits.= str_pad(decbin($e_value[$i]), MATH_BIGINTEGER_BASE, '0', STR_PAD_LEFT); + $e_bits.= str_pad(decbin($e_value[$i]), self::$base, '0', STR_PAD_LEFT); } $e_length = strlen($e_bits); // calculate the appropriate window size. // $window_size == 3 if $window_ranges is between 25 and 81, for example. - for ($i = 0, $window_size = 1; $e_length > $window_ranges[$i] && $i < count($window_ranges); ++$window_size, ++$i); + for ($i = 0, $window_size = 1; $i < count($window_ranges) && $e_length > $window_ranges[$i]; ++$window_size, ++$i) { + } $n_value = $n->value; @@ -1837,28 +1846,29 @@ class Math_BigInteger $result = array(1); $result = $this->_prepareReduce($result, $n_value, $mode); - for ($i = 0; $i < $e_length; ) { - if ( !$e_bits[$i] ) { + for ($i = 0; $i < $e_length;) { + if (!$e_bits[$i]) { $result = $this->_squareReduce($result, $n_value, $mode); ++$i; } else { for ($j = $window_size - 1; $j > 0; --$j) { - if ( !empty($e_bits[$i + $j]) ) { + if (!empty($e_bits[$i + $j])) { break; } } - for ($k = 0; $k <= $j; ++$k) {// eg. the length of substr($e_bits, $i, $j+1) + // eg. the length of substr($e_bits, $i, $j + 1) + for ($k = 0; $k <= $j; ++$k) { $result = $this->_squareReduce($result, $n_value, $mode); } $result = $this->_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode); - $i+=$j + 1; + $i += $j + 1; } } - $temp = new Math_BigInteger(); + $temp = new static(); $temp->value = $this->_reduce($result, $n_value, $mode); return $temp; @@ -1869,34 +1879,34 @@ class Math_BigInteger * * For most $modes this will return the remainder. * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $n - * @param Integer $mode - * @return Array + * @param array $x + * @param array $n + * @param int $mode + * @return array */ function _reduce($x, $n, $mode) { switch ($mode) { - case MATH_BIGINTEGER_MONTGOMERY: + case self::MONTGOMERY: return $this->_montgomery($x, $n); - case MATH_BIGINTEGER_BARRETT: + case self::BARRETT: return $this->_barrett($x, $n); - case MATH_BIGINTEGER_POWEROF2: - $lhs = new Math_BigInteger(); + case self::POWEROF2: + $lhs = new static(); $lhs->value = $x; - $rhs = new Math_BigInteger(); + $rhs = new static(); $rhs->value = $n; return $x->_mod2($n); - case MATH_BIGINTEGER_CLASSIC: - $lhs = new Math_BigInteger(); + case self::CLASSIC: + $lhs = new static(); $lhs->value = $x; - $rhs = new Math_BigInteger(); + $rhs = new static(); $rhs->value = $n; list(, $temp) = $lhs->divide($rhs); return $temp->value; - case MATH_BIGINTEGER_NONE: + case self::NONE: return $x; default: // an invalid $mode was provided @@ -1906,16 +1916,16 @@ class Math_BigInteger /** * Modular reduction preperation * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $n - * @param Integer $mode - * @return Array + * @param array $x + * @param array $n + * @param int $mode + * @return array */ function _prepareReduce($x, $n, $mode) { - if ($mode == MATH_BIGINTEGER_MONTGOMERY) { + if ($mode == self::MONTGOMERY) { return $this->_prepMontgomery($x, $n); } return $this->_reduce($x, $n, $mode); @@ -1924,36 +1934,36 @@ class Math_BigInteger /** * Modular multiply * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $y - * @param Array $n - * @param Integer $mode - * @return Array + * @param array $x + * @param array $y + * @param array $n + * @param int $mode + * @return array */ function _multiplyReduce($x, $y, $n, $mode) { - if ($mode == MATH_BIGINTEGER_MONTGOMERY) { + if ($mode == self::MONTGOMERY) { return $this->_montgomeryMultiply($x, $y, $n); } $temp = $this->_multiply($x, false, $y, false); - return $this->_reduce($temp[MATH_BIGINTEGER_VALUE], $n, $mode); + return $this->_reduce($temp[self::VALUE], $n, $mode); } /** * Modular square * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $n - * @param Integer $mode - * @return Array + * @param array $x + * @param array $n + * @param int $mode + * @return array */ function _squareReduce($x, $n, $mode) { - if ($mode == MATH_BIGINTEGER_MONTGOMERY) { + if ($mode == self::MONTGOMERY) { return $this->_montgomeryMultiply($x, $x, $n); } return $this->_reduce($this->_square($x), $n, $mode); @@ -1965,14 +1975,14 @@ class Math_BigInteger * Calculates $x%$n, where $n = 2**$e, for some $e. Since this is basically the same as doing $x & ($n-1), * we'll just use this function as a wrapper for doing that. * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Math_BigInteger - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger + * @return \phpseclib\Math\BigInteger */ function _mod2($n) { - $temp = new Math_BigInteger(); + $temp = new static(); $temp->value = array(1); return $this->bitwise_and($n->subtract($temp)); } @@ -1995,25 +2005,25 @@ class Math_BigInteger * (x >> 1) + (x >> 1) != x / 2 + x / 2. If x is even, they're the same, but if x is odd, they're not. See the in-line * comments for details. * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Array $n - * @param Array $m - * @return Array + * @param array $n + * @param array $m + * @return array */ function _barrett($n, $m) { static $cache = array( - MATH_BIGINTEGER_VARIABLE => array(), - MATH_BIGINTEGER_DATA => array() + self::VARIABLE => array(), + self::DATA => array() ); $m_length = count($m); // if ($this->_compare($n, $this->_square($m)) >= 0) { if (count($n) > 2 * $m_length) { - $lhs = new Math_BigInteger(); - $rhs = new Math_BigInteger(); + $lhs = new static(); + $rhs = new static(); $lhs->value = $n; $rhs->value = $m; list(, $temp) = $lhs->divide($rhs); @@ -2027,27 +2037,27 @@ class Math_BigInteger // n = 2 * m.length - if ( ($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) { - $key = count($cache[MATH_BIGINTEGER_VARIABLE]); - $cache[MATH_BIGINTEGER_VARIABLE][] = $m; + if (($key = array_search($m, $cache[self::VARIABLE])) === false) { + $key = count($cache[self::VARIABLE]); + $cache[self::VARIABLE][] = $m; - $lhs = new Math_BigInteger(); + $lhs = new static(); $lhs_value = &$lhs->value; $lhs_value = $this->_array_repeat(0, $m_length + ($m_length >> 1)); $lhs_value[] = 1; - $rhs = new Math_BigInteger(); + $rhs = new static(); $rhs->value = $m; list($u, $m1) = $lhs->divide($rhs); $u = $u->value; $m1 = $m1->value; - $cache[MATH_BIGINTEGER_DATA][] = array( + $cache[self::DATA][] = array( 'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1) 'm1'=> $m1 // m.length ); } else { - extract($cache[MATH_BIGINTEGER_DATA][$key]); + extract($cache[self::DATA][$key]); } $cutoff = $m_length + ($m_length >> 1); @@ -2055,20 +2065,20 @@ class Math_BigInteger $msd = array_slice($n, $cutoff); // m.length >> 1 $lsd = $this->_trim($lsd); $temp = $this->_multiply($msd, false, $m1, false); - $n = $this->_add($lsd, false, $temp[MATH_BIGINTEGER_VALUE], false); // m.length + (m.length >> 1) + 1 + $n = $this->_add($lsd, false, $temp[self::VALUE], false); // m.length + (m.length >> 1) + 1 if ($m_length & 1) { - return $this->_regularBarrett($n[MATH_BIGINTEGER_VALUE], $m); + return $this->_regularBarrett($n[self::VALUE], $m); } // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2 - $temp = array_slice($n[MATH_BIGINTEGER_VALUE], $m_length - 1); + $temp = array_slice($n[self::VALUE], $m_length - 1); // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2 // if odd: ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1 $temp = $this->_multiply($temp, false, $u, false); // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1 // if odd: (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) - $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], ($m_length >> 1) + 1); + $temp = array_slice($temp[self::VALUE], ($m_length >> 1) + 1); // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1 // if odd: (m.length - (m.length >> 1)) + m.length = 2 * m.length - (m.length >> 1) $temp = $this->_multiply($temp, false, $m, false); @@ -2077,64 +2087,64 @@ class Math_BigInteger // number from a m.length + (m.length >> 1) + 1 digit number. ie. there'd be an extra digit and the while loop // following this comment would loop a lot (hence our calling _regularBarrett() in that situation). - $result = $this->_subtract($n[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false); + $result = $this->_subtract($n[self::VALUE], false, $temp[self::VALUE], false); - while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false) >= 0) { - $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false); + while ($this->_compare($result[self::VALUE], $result[self::SIGN], $m, false) >= 0) { + $result = $this->_subtract($result[self::VALUE], $result[self::SIGN], $m, false); } - return $result[MATH_BIGINTEGER_VALUE]; + return $result[self::VALUE]; } /** * (Regular) Barrett Modular Reduction * - * For numbers with more than four digits Math_BigInteger::_barrett() is faster. The difference between that and this + * For numbers with more than four digits BigInteger::_barrett() is faster. The difference between that and this * is that this function does not fold the denominator into a smaller form. * - * @see _slidingWindow() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $n - * @return Array + * @param array $x + * @param array $n + * @return array */ function _regularBarrett($x, $n) { static $cache = array( - MATH_BIGINTEGER_VARIABLE => array(), - MATH_BIGINTEGER_DATA => array() + self::VARIABLE => array(), + self::DATA => array() ); $n_length = count($n); if (count($x) > 2 * $n_length) { - $lhs = new Math_BigInteger(); - $rhs = new Math_BigInteger(); + $lhs = new static(); + $rhs = new static(); $lhs->value = $x; $rhs->value = $n; list(, $temp) = $lhs->divide($rhs); return $temp->value; } - if ( ($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) { - $key = count($cache[MATH_BIGINTEGER_VARIABLE]); - $cache[MATH_BIGINTEGER_VARIABLE][] = $n; - $lhs = new Math_BigInteger(); + if (($key = array_search($n, $cache[self::VARIABLE])) === false) { + $key = count($cache[self::VARIABLE]); + $cache[self::VARIABLE][] = $n; + $lhs = new static(); $lhs_value = &$lhs->value; $lhs_value = $this->_array_repeat(0, 2 * $n_length); $lhs_value[] = 1; - $rhs = new Math_BigInteger(); + $rhs = new static(); $rhs->value = $n; list($temp, ) = $lhs->divide($rhs); // m.length - $cache[MATH_BIGINTEGER_DATA][] = $temp->value; + $cache[self::DATA][] = $temp->value; } // 2 * m.length - (m.length - 1) = m.length + 1 $temp = array_slice($x, $n_length - 1); // (m.length + 1) + m.length = 2 * m.length + 1 - $temp = $this->_multiply($temp, false, $cache[MATH_BIGINTEGER_DATA][$key], false); + $temp = $this->_multiply($temp, false, $cache[self::DATA][$key], false); // (2 * m.length + 1) - (m.length - 1) = m.length + 2 - $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], $n_length + 1); + $temp = array_slice($temp[self::VALUE], $n_length + 1); // m.length + 1 $result = array_slice($x, 0, $n_length + 1); @@ -2142,20 +2152,20 @@ class Math_BigInteger $temp = $this->_multiplyLower($temp, false, $n, false, $n_length + 1); // $temp == array_slice($temp->_multiply($temp, false, $n, false)->value, 0, $n_length + 1) - if ($this->_compare($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]) < 0) { + if ($this->_compare($result, false, $temp[self::VALUE], $temp[self::SIGN]) < 0) { $corrector_value = $this->_array_repeat(0, $n_length + 1); $corrector_value[count($corrector_value)] = 1; $result = $this->_add($result, false, $corrector_value, false); - $result = $result[MATH_BIGINTEGER_VALUE]; + $result = $result[self::VALUE]; } // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits - $result = $this->_subtract($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]); - while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false) > 0) { - $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false); + $result = $this->_subtract($result, false, $temp[self::VALUE], $temp[self::SIGN]); + while ($this->_compare($result[self::VALUE], $result[self::SIGN], $n, false) > 0) { + $result = $this->_subtract($result[self::VALUE], $result[self::SIGN], $n, false); } - return $result[MATH_BIGINTEGER_VALUE]; + return $result[self::VALUE]; } /** @@ -2163,13 +2173,13 @@ class Math_BigInteger * * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved. * - * @see _regularBarrett() - * @param Array $x_value - * @param Boolean $x_negative - * @param Array $y_value - * @param Boolean $y_negative - * @param Integer $stop - * @return Array + * @see self::_regularBarrett() + * @param array $x_value + * @param bool $x_negative + * @param array $y_value + * @param bool $y_negative + * @param int $stop + * @return array * @access private */ function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop) @@ -2177,14 +2187,14 @@ class Math_BigInteger $x_length = count($x_value); $y_length = count($y_value); - if ( !$x_length || !$y_length ) { // a 0 is being multiplied + if (!$x_length || !$y_length) { // a 0 is being multiplied return array( - MATH_BIGINTEGER_VALUE => array(), - MATH_BIGINTEGER_SIGN => false + self::VALUE => array(), + self::SIGN => false ); } - if ( $x_length < $y_length ) { + if ($x_length < $y_length) { $temp = $x_value; $x_value = $y_value; $y_value = $temp; @@ -2205,8 +2215,8 @@ class Math_BigInteger for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0 - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $product_value[$j] = (int) ($temp - self::$baseFull * $carry); } if ($j < $stop) { @@ -2221,8 +2231,8 @@ class Math_BigInteger for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) { $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $product_value[$k] = (int) ($temp - self::$baseFull * $carry); } if ($k < $stop) { @@ -2231,8 +2241,8 @@ class Math_BigInteger } return array( - MATH_BIGINTEGER_VALUE => $this->_trim($product_value), - MATH_BIGINTEGER_SIGN => $x_negative != $y_negative + self::VALUE => $this->_trim($product_value), + self::SIGN => $x_negative != $y_negative ); } @@ -2244,45 +2254,45 @@ class Math_BigInteger * improved upon (basically, by using the comba method). gcd($n, 2) must be equal to one for this function * to work correctly. * - * @see _prepMontgomery() - * @see _slidingWindow() + * @see self::_prepMontgomery() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $n - * @return Array + * @param array $x + * @param array $n + * @return array */ function _montgomery($x, $n) { static $cache = array( - MATH_BIGINTEGER_VARIABLE => array(), - MATH_BIGINTEGER_DATA => array() + self::VARIABLE => array(), + self::DATA => array() ); - if ( ($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) { - $key = count($cache[MATH_BIGINTEGER_VARIABLE]); - $cache[MATH_BIGINTEGER_VARIABLE][] = $x; - $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($n); + if (($key = array_search($n, $cache[self::VARIABLE])) === false) { + $key = count($cache[self::VARIABLE]); + $cache[self::VARIABLE][] = $x; + $cache[self::DATA][] = $this->_modInverse67108864($n); } $k = count($n); - $result = array(MATH_BIGINTEGER_VALUE => $x); + $result = array(self::VALUE => $x); for ($i = 0; $i < $k; ++$i) { - $temp = $result[MATH_BIGINTEGER_VALUE][$i] * $cache[MATH_BIGINTEGER_DATA][$key]; - $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); + $temp = $result[self::VALUE][$i] * $cache[self::DATA][$key]; + $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); $temp = $this->_regularMultiply(array($temp), $n); $temp = array_merge($this->_array_repeat(0, $i), $temp); - $result = $this->_add($result[MATH_BIGINTEGER_VALUE], false, $temp, false); + $result = $this->_add($result[self::VALUE], false, $temp, false); } - $result[MATH_BIGINTEGER_VALUE] = array_slice($result[MATH_BIGINTEGER_VALUE], $k); + $result[self::VALUE] = array_slice($result[self::VALUE], $k); if ($this->_compare($result, false, $n, false) >= 0) { - $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], false, $n, false); + $result = $this->_subtract($result[self::VALUE], false, $n, false); } - return $result[MATH_BIGINTEGER_VALUE]; + return $result[self::VALUE]; } /** @@ -2291,18 +2301,18 @@ class Math_BigInteger * Interleaves the montgomery reduction and long multiplication algorithms together as described in * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36} * - * @see _prepMontgomery() - * @see _montgomery() + * @see self::_prepMontgomery() + * @see self::_montgomery() * @access private - * @param Array $x - * @param Array $y - * @param Array $m - * @return Array + * @param array $x + * @param array $y + * @param array $m + * @return array */ function _montgomeryMultiply($x, $y, $m) { $temp = $this->_multiply($x, false, $y, false); - return $this->_montgomery($temp[MATH_BIGINTEGER_VALUE], $m); + return $this->_montgomery($temp[self::VALUE], $m); // the following code, although not callable, can be run independently of the above code // although the above code performed better in my benchmarks the following could might @@ -2310,51 +2320,51 @@ class Math_BigInteger // made uncallable static $cache = array( - MATH_BIGINTEGER_VARIABLE => array(), - MATH_BIGINTEGER_DATA => array() + self::VARIABLE => array(), + self::DATA => array() ); - if ( ($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) { - $key = count($cache[MATH_BIGINTEGER_VARIABLE]); - $cache[MATH_BIGINTEGER_VARIABLE][] = $m; - $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($m); + if (($key = array_search($m, $cache[self::VARIABLE])) === false) { + $key = count($cache[self::VARIABLE]); + $cache[self::VARIABLE][] = $m; + $cache[self::DATA][] = $this->_modInverse67108864($m); } $n = max(count($x), count($y), count($m)); $x = array_pad($x, $n, 0); $y = array_pad($y, $n, 0); $m = array_pad($m, $n, 0); - $a = array(MATH_BIGINTEGER_VALUE => $this->_array_repeat(0, $n + 1)); + $a = array(self::VALUE => $this->_array_repeat(0, $n + 1)); for ($i = 0; $i < $n; ++$i) { - $temp = $a[MATH_BIGINTEGER_VALUE][0] + $x[$i] * $y[0]; - $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = $temp * $cache[MATH_BIGINTEGER_DATA][$key]; - $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); + $temp = $a[self::VALUE][0] + $x[$i] * $y[0]; + $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); + $temp = $temp * $cache[self::DATA][$key]; + $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); $temp = $this->_add($this->_regularMultiply(array($x[$i]), $y), false, $this->_regularMultiply(array($temp), $m), false); - $a = $this->_add($a[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false); - $a[MATH_BIGINTEGER_VALUE] = array_slice($a[MATH_BIGINTEGER_VALUE], 1); + $a = $this->_add($a[self::VALUE], false, $temp[self::VALUE], false); + $a[self::VALUE] = array_slice($a[self::VALUE], 1); } - if ($this->_compare($a[MATH_BIGINTEGER_VALUE], false, $m, false) >= 0) { - $a = $this->_subtract($a[MATH_BIGINTEGER_VALUE], false, $m, false); + if ($this->_compare($a[self::VALUE], false, $m, false) >= 0) { + $a = $this->_subtract($a[self::VALUE], false, $m, false); } - return $a[MATH_BIGINTEGER_VALUE]; + return $a[self::VALUE]; } /** * Prepare a number for use in Montgomery Modular Reductions * - * @see _montgomery() - * @see _slidingWindow() + * @see self::_montgomery() + * @see self::_slidingWindow() * @access private - * @param Array $x - * @param Array $n - * @return Array + * @param array $x + * @param array $n + * @return array */ function _prepMontgomery($x, $n) { - $lhs = new Math_BigInteger(); + $lhs = new static(); $lhs->value = array_merge($this->_array_repeat(0, count($n)), $x); - $rhs = new Math_BigInteger(); + $rhs = new static(); $rhs->value = $n; list(, $temp) = $lhs->divide($rhs); @@ -2382,10 +2392,10 @@ class Math_BigInteger * * Thanks to Pedro Gimeno Fortea for input! * - * @see _montgomery() + * @see self::_montgomery() * @access private - * @param Array $x - * @return Integer + * @param array $x + * @return int */ function _modInverse67108864($x) // 2**26 == 67,108,864 { @@ -2394,8 +2404,8 @@ class Math_BigInteger $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4 $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; // x**-1 mod 2**8 $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16 - $result = fmod($result * (2 - fmod($x * $result, MATH_BIGINTEGER_BASE_FULL)), MATH_BIGINTEGER_BASE_FULL); // x**-1 mod 2**26 - return $result & MATH_BIGINTEGER_MAX_DIGIT; + $result = fmod($result * (2 - fmod($x * $result, self::$baseFull)), self::$baseFull); // x**-1 mod 2**26 + return $result & self::$maxDigit; } /** @@ -2406,10 +2416,8 @@ class Math_BigInteger * Here's an example: * * modInverse($b); * echo $c->toString(); // outputs 4 @@ -2422,25 +2430,25 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $n - * @return mixed false, if no modular inverse exists, Math_BigInteger, otherwise. + * @param \phpseclib\Math\BigInteger $n + * @return \phpseclib\Math\BigInteger|false * @access public * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information. */ function modInverse($n) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_invert($this->value, $n->value); - return ( $temp->value === false ) ? false : $this->_normalize($temp); + return ($temp->value === false) ? false : $this->_normalize($temp); } static $zero, $one; if (!isset($zero)) { - $zero = new Math_BigInteger(); - $one = new Math_BigInteger(1); + $zero = new static(); + $one = new static(1); } // $x mod -$n == $x mod $n. @@ -2468,16 +2476,14 @@ class Math_BigInteger * * Say you have 693 and 609. The GCD is 21. Bezout's identity states that there exist integers x and y such that * 693*x + 609*y == 21. In point of fact, there are actually an infinite number of x and y combinations and which - * combination is returned is dependant upon which mode is in use. See + * combination is returned is dependent upon which mode is in use. See * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information. * * Here's an example: * * extendedGCD($b)); * @@ -2486,8 +2492,8 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $n - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $n + * @return \phpseclib\Math\BigInteger * @access public * @internal Calculates the GCD using the binary xGCD algorithim described in * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=19 HAC 14.61}. As the text above 14.61 notes, @@ -2495,16 +2501,16 @@ class Math_BigInteger */ function extendedGCD($n) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: extract(gmp_gcdext($this->value, $n->value)); return array( - 'gcd' => $this->_normalize(new Math_BigInteger($g)), - 'x' => $this->_normalize(new Math_BigInteger($s)), - 'y' => $this->_normalize(new Math_BigInteger($t)) + 'gcd' => $this->_normalize(new static($g)), + 'x' => $this->_normalize(new static($s)), + 'y' => $this->_normalize(new static($t)) ); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway. as is, // the basic extended euclidean algorithim is what we're using. @@ -2534,18 +2540,18 @@ class Math_BigInteger } return array( - 'gcd' => $this->_normalize(new Math_BigInteger($u)), - 'x' => $this->_normalize(new Math_BigInteger($a)), - 'y' => $this->_normalize(new Math_BigInteger($b)) + 'gcd' => $this->_normalize(new static($u)), + 'x' => $this->_normalize(new static($a)), + 'y' => $this->_normalize(new static($b)) ); } $y = $n->copy(); $x = $this->copy(); - $g = new Math_BigInteger(); + $g = new static(); $g->value = array(1); - while ( !(($x->value[0] & 1)|| ($y->value[0] & 1)) ) { + while (!(($x->value[0] & 1)|| ($y->value[0] & 1))) { $x->_rshift(1); $y->_rshift(1); $g->_lshift(1); @@ -2554,18 +2560,18 @@ class Math_BigInteger $u = $x->copy(); $v = $y->copy(); - $a = new Math_BigInteger(); - $b = new Math_BigInteger(); - $c = new Math_BigInteger(); - $d = new Math_BigInteger(); + $a = new static(); + $b = new static(); + $c = new static(); + $d = new static(); $a->value = $d->value = $g->value = array(1); $b->value = $c->value = array(); - while ( !empty($u->value) ) { - while ( !($u->value[0] & 1) ) { + while (!empty($u->value)) { + while (!($u->value[0] & 1)) { $u->_rshift(1); - if ( (!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1)) ) { + if ((!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1))) { $a = $a->add($y); $b = $b->subtract($x); } @@ -2573,9 +2579,9 @@ class Math_BigInteger $b->_rshift(1); } - while ( !($v->value[0] & 1) ) { + while (!($v->value[0] & 1)) { $v->_rshift(1); - if ( (!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1)) ) { + if ((!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1))) { $c = $c->add($y); $d = $d->subtract($x); } @@ -2609,10 +2615,8 @@ class Math_BigInteger * Here's an example: * * extendedGCD($b); * @@ -2620,8 +2624,8 @@ class Math_BigInteger * ?> * * - * @param Math_BigInteger $n - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $n + * @return \phpseclib\Math\BigInteger * @access public */ function gcd($n) @@ -2633,18 +2637,18 @@ class Math_BigInteger /** * Absolute value. * - * @return Math_BigInteger + * @return \phpseclib\Math\BigInteger * @access public */ function abs() { - $temp = new Math_BigInteger(); + $temp = new static(); - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: $temp->value = gmp_abs($this->value); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value; break; default: @@ -2666,18 +2670,18 @@ class Math_BigInteger * * Note how the same comparison operator is used. If you want to test for equality, use $x->equals($y). * - * @param Math_BigInteger $y - * @return Integer < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal. + * @param \phpseclib\Math\BigInteger $y + * @return int < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal. * @access public - * @see equals() + * @see self::equals() * @internal Could return $this->subtract($x), but that's not as fast as what we do do. */ function compare($y) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: return gmp_cmp($this->value, $y->value); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: return bccomp($this->value, $y->value, 0); } @@ -2687,24 +2691,24 @@ class Math_BigInteger /** * Compares two numbers. * - * @param Array $x_value - * @param Boolean $x_negative - * @param Array $y_value - * @param Boolean $y_negative - * @return Integer - * @see compare() + * @param array $x_value + * @param bool $x_negative + * @param array $y_value + * @param bool $y_negative + * @return int + * @see self::compare() * @access private */ function _compare($x_value, $x_negative, $y_value, $y_negative) { - if ( $x_negative != $y_negative ) { - return ( !$x_negative && $y_negative ) ? 1 : -1; + if ($x_negative != $y_negative) { + return (!$x_negative && $y_negative) ? 1 : -1; } $result = $x_negative ? -1 : 1; - if ( count($x_value) != count($y_value) ) { - return ( count($x_value) > count($y_value) ) ? $result : -$result; + if (count($x_value) != count($y_value)) { + return (count($x_value) > count($y_value)) ? $result : -$result; } $size = max(count($x_value), count($y_value)); @@ -2713,7 +2717,7 @@ class Math_BigInteger for ($i = count($x_value) - 1; $i >= 0; --$i) { if ($x_value[$i] != $y_value[$i]) { - return ( $x_value[$i] > $y_value[$i] ) ? $result : -$result; + return ($x_value[$i] > $y_value[$i]) ? $result : -$result; } } @@ -2723,17 +2727,17 @@ class Math_BigInteger /** * Tests the equality of two numbers. * - * If you need to see if one number is greater than or less than another number, use Math_BigInteger::compare() + * If you need to see if one number is greater than or less than another number, use BigInteger::compare() * - * @param Math_BigInteger $x - * @return Boolean + * @param \phpseclib\Math\BigInteger $x + * @return bool * @access public - * @see compare() + * @see self::compare() */ function equals($x) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: return gmp_cmp($this->value, $x->value) == 0; default: return $this->value === $x->value && $this->is_negative == $x->is_negative; @@ -2746,16 +2750,16 @@ class Math_BigInteger * Some bitwise operations give different results depending on the precision being used. Examples include left * shift, not, and rotates. * - * @param Integer $bits + * @param int $bits * @access public */ function setPrecision($bits) { $this->precision = $bits; - if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ) { - $this->bitmask = new Math_BigInteger(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256); + if (MATH_BIGINTEGER_MODE != self::MODE_BCMATH) { + $this->bitmask = new static(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256); } else { - $this->bitmask = new Math_BigInteger(bcpow('2', $bits, 0)); + $this->bitmask = new static(bcpow('2', $bits, 0)); } $temp = $this->_normalize($this); @@ -2765,20 +2769,20 @@ class Math_BigInteger /** * Logical And * - * @param Math_BigInteger $x + * @param \phpseclib\Math\BigInteger $x * @access public * @internal Implemented per a request by Lluis Pamies i Juarez - * @return Math_BigInteger + * @return \phpseclib\Math\BigInteger */ function bitwise_and($x) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_and($this->value, $x->value); return $this->_normalize($temp); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $left = $this->toBytes(); $right = $x->toBytes(); @@ -2787,7 +2791,7 @@ class Math_BigInteger $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - return $this->_normalize(new Math_BigInteger($left & $right, 256)); + return $this->_normalize(new static($left & $right, 256)); } $result = $this->copy(); @@ -2806,20 +2810,20 @@ class Math_BigInteger /** * Logical Or * - * @param Math_BigInteger $x + * @param \phpseclib\Math\BigInteger $x * @access public * @internal Implemented per a request by Lluis Pamies i Juarez - * @return Math_BigInteger + * @return \phpseclib\Math\BigInteger */ function bitwise_or($x) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_or($this->value, $x->value); return $this->_normalize($temp); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $left = $this->toBytes(); $right = $x->toBytes(); @@ -2828,7 +2832,7 @@ class Math_BigInteger $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - return $this->_normalize(new Math_BigInteger($left | $right, 256)); + return $this->_normalize(new static($left | $right, 256)); } $length = max(count($this->value), count($x->value)); @@ -2846,20 +2850,20 @@ class Math_BigInteger /** * Logical Exclusive-Or * - * @param Math_BigInteger $x + * @param \phpseclib\Math\BigInteger $x * @access public * @internal Implemented per a request by Lluis Pamies i Juarez - * @return Math_BigInteger + * @return \phpseclib\Math\BigInteger */ function bitwise_xor($x) { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - $temp = new Math_BigInteger(); + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + $temp = new static(); $temp->value = gmp_xor($this->value, $x->value); return $this->_normalize($temp); - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $left = $this->toBytes(); $right = $x->toBytes(); @@ -2868,7 +2872,7 @@ class Math_BigInteger $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - return $this->_normalize(new Math_BigInteger($left ^ $right, 256)); + return $this->_normalize(new static($left ^ $right, 256)); } $length = max(count($this->value), count($x->value)); @@ -2888,13 +2892,16 @@ class Math_BigInteger * * @access public * @internal Implemented per a request by Lluis Pamies i Juarez - * @return Math_BigInteger + * @return \phpseclib\Math\BigInteger */ function bitwise_not() { // calculuate "not" without regard to $this->precision // (will always result in a smaller number. ie. ~1 isn't 1111 1110 - it's 0) $temp = $this->toBytes(); + if ($temp == '') { + return ''; + } $pre_msb = decbin(ord($temp[0])); $temp = ~$temp; $msb = decbin(ord($temp[0])); @@ -2907,7 +2914,7 @@ class Math_BigInteger $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8; $new_bits = $this->precision - $current_bits; if ($new_bits <= 0) { - return $this->_normalize(new Math_BigInteger($temp, 256)); + return $this->_normalize(new static($temp, 256)); } // generate as many leading 1's as we need to. @@ -2916,7 +2923,7 @@ class Math_BigInteger $temp = str_pad($temp, strlen($leading_ones), chr(0), STR_PAD_LEFT); - return $this->_normalize(new Math_BigInteger($leading_ones | $temp, 256)); + return $this->_normalize(new static($leading_ones | $temp, 256)); } /** @@ -2924,17 +2931,17 @@ class Math_BigInteger * * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift. * - * @param Integer $shift - * @return Math_BigInteger + * @param int $shift + * @return \phpseclib\Math\BigInteger * @access public * @internal The only version that yields any speed increases is the internal version. */ function bitwise_rightShift($shift) { - $temp = new Math_BigInteger(); + $temp = new static(); - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: static $two; if (!isset($two)) { @@ -2944,7 +2951,7 @@ class Math_BigInteger $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift)); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0); break; @@ -2962,17 +2969,17 @@ class Math_BigInteger * * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift. * - * @param Integer $shift - * @return Math_BigInteger + * @param int $shift + * @return \phpseclib\Math\BigInteger * @access public * @internal The only version that yields any speed increases is the internal version. */ function bitwise_leftShift($shift) { - $temp = new Math_BigInteger(); + $temp = new static(); - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: static $two; if (!isset($two)) { @@ -2982,7 +2989,7 @@ class Math_BigInteger $temp->value = gmp_mul($this->value, gmp_pow($two, $shift)); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0); break; @@ -3000,8 +3007,8 @@ class Math_BigInteger * * Instead of the top x bits being dropped they're appended to the shifted bit string. * - * @param Integer $shift - * @return Math_BigInteger + * @param int $shift + * @return \phpseclib\Math\BigInteger * @access public */ function bitwise_leftRotate($shift) @@ -3010,15 +3017,16 @@ class Math_BigInteger if ($this->precision > 0) { $precision = $this->precision; - if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) { - $mask = $this->bitmask->subtract(new Math_BigInteger(1)); + if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { + $mask = $this->bitmask->subtract(new static(1)); $mask = $mask->toBytes(); } else { $mask = $this->bitmask->toBytes(); } } else { $temp = ord($bits[0]); - for ($i = 0; $temp >> $i; ++$i); + for ($i = 0; $temp >> $i; ++$i) { + } $precision = 8 * strlen($bits) - 8 + $i; $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3); } @@ -3033,9 +3041,9 @@ class Math_BigInteger } $left = $this->bitwise_leftShift($shift); - $left = $left->bitwise_and(new Math_BigInteger($mask, 256)); + $left = $left->bitwise_and(new static($mask, 256)); $right = $this->bitwise_rightShift($precision - $shift); - $result = MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right); + $result = MATH_BIGINTEGER_MODE != self::MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right); return $this->_normalize($result); } @@ -3044,8 +3052,8 @@ class Math_BigInteger * * Instead of the bottom x bits being dropped they're prepended to the shifted bit string. * - * @param Integer $shift - * @return Math_BigInteger + * @param int $shift + * @return \phpseclib\Math\BigInteger * @access public */ function bitwise_rightRotate($shift) @@ -3053,31 +3061,19 @@ class Math_BigInteger return $this->bitwise_leftRotate(-$shift); } - /** - * Set random number generator function - * - * This function is deprecated. - * - * @param String $generator - * @access public - */ - function setRandomGenerator($generator) - { - } - /** * Generates a random BigInteger * - * Byte length is equal to $length. Uses crypt_random if it's loaded and mt_rand if it's not. + * Byte length is equal to $length. Uses \phpseclib\Crypt\Random if it's loaded and mt_rand if it's not. * - * @param Integer $length - * @return Math_BigInteger + * @param int $length + * @return \phpseclib\Math\BigInteger * @access private */ function _random_number_helper($size) { - if (function_exists('crypt_random_string')) { - $random = crypt_random_string($size); + if (class_exists('\phpseclib\Crypt\Random')) { + $random = Random::string($size); } else { $random = ''; @@ -3092,7 +3088,7 @@ class Math_BigInteger } } - return new Math_BigInteger($random, 256); + return new static($random, 256); } /** @@ -3104,11 +3100,11 @@ class Math_BigInteger * $min->random($max) * $max->random($min) * - * @param Math_BigInteger $arg1 - * @param optional Math_BigInteger $arg2 - * @return Math_BigInteger + * @param \phpseclib\Math\BigInteger $arg1 + * @param \phpseclib\Math\BigInteger $arg2 + * @return \phpseclib\Math\BigInteger * @access public - * @internal The API for creating random numbers used to be $a->random($min, $max), where $a was a Math_BigInteger object. + * @internal The API for creating random numbers used to be $a->random($min, $max), where $a was a BigInteger object. * That method is still supported for BC purposes. */ function random($arg1, $arg2 = false) @@ -3129,7 +3125,7 @@ class Math_BigInteger if (!$compare) { return $this->_normalize($min); - } else if ($compare < 0) { + } elseif ($compare < 0) { // if $min is bigger then $max, swap $min and $max $temp = $max; $max = $min; @@ -3138,7 +3134,7 @@ class Math_BigInteger static $one; if (!isset($one)) { - $one = new Math_BigInteger(1); + $one = new static(1); } $max = $max->subtract($min->subtract($one)); @@ -3159,7 +3155,7 @@ class Math_BigInteger http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string */ - $random_max = new Math_BigInteger(chr(1) . str_repeat("\0", $size), 256); + $random_max = new static(chr(1) . str_repeat("\0", $size), 256); $random = $this->_random_number_helper($size); list($max_multiple) = $random_max->divide($max); @@ -3182,13 +3178,13 @@ class Math_BigInteger /** * Generate a random prime number. * - * If there's not a prime within the given range, false will be returned. If more than $timeout seconds have elapsed, - * give up and return false. + * If there's not a prime within the given range, false will be returned. + * If more than $timeout seconds have elapsed, give up and return false. * - * @param Math_BigInteger $arg1 - * @param optional Math_BigInteger $arg2 - * @param optional Integer $timeout - * @return Mixed + * @param \phpseclib\Math\BigInteger $arg1 + * @param \phpseclib\Math\BigInteger $arg2 + * @param int $timeout + * @return Math_BigInteger|false * @access public * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=15 HAC 4.44}. */ @@ -3210,7 +3206,7 @@ class Math_BigInteger if (!$compare) { return $min->isPrime() ? $min : false; - } else if ($compare < 0) { + } elseif ($compare < 0) { // if $min is bigger then $max, swap $min and $max $temp = $max; $max = $min; @@ -3219,8 +3215,8 @@ class Math_BigInteger static $one, $two; if (!isset($one)) { - $one = new Math_BigInteger(1); - $two = new Math_BigInteger(2); + $one = new static(1); + $two = new static(2); } $start = time(); @@ -3228,8 +3224,8 @@ class Math_BigInteger $x = $this->random($min, $max); // gmp_nextprime() requires PHP 5 >= 5.2.0 per . - if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP && function_exists('gmp_nextprime') ) { - $p = new Math_BigInteger(); + if (MATH_BIGINTEGER_MODE == self::MODE_GMP && extension_loaded('gmp')) { + $p = new static(); $p->value = gmp_nextprime($x->value); if ($p->compare($max) <= 0) { @@ -3289,16 +3285,16 @@ class Math_BigInteger * * If the current number is odd it'll be unchanged. If it's even, one will be added to it. * - * @see randomPrime() + * @see self::randomPrime() * @access private */ function _make_odd() { - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: gmp_setbit($this->value, 0); break; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: if ($this->value[strlen($this->value) - 1] % 2 == 0) { $this->value = bcadd($this->value, '1'); } @@ -3312,11 +3308,11 @@ class Math_BigInteger * Checks a numer to see if it's prime * * Assuming the $t parameter is not set, this function has an error rate of 2**-80. The main motivation for the - * $t parameter is distributability. Math_BigInteger::randomPrime() can be distributed across multiple pageloads + * $t parameter is distributability. BigInteger::randomPrime() can be distributed across multiple pageloads * on a website instead of just one. * - * @param optional Math_BigInteger $t - * @return Boolean + * @param \phpseclib\Math\BigInteger $t + * @return bool * @access public * @internal Uses the * {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}. See @@ -3346,10 +3342,10 @@ class Math_BigInteger // ie. gmp_testbit($this, 0) // ie. isEven() or !isOdd() - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: return gmp_prob_prime($this->value, $t) != 0; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: if ($this->value === '2') { return true; } @@ -3383,15 +3379,15 @@ class Math_BigInteger 953, 967, 971, 977, 983, 991, 997 ); - if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL ) { + if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { for ($i = 0; $i < count($primes); ++$i) { - $primes[$i] = new Math_BigInteger($primes[$i]); + $primes[$i] = new static($primes[$i]); } } - $zero = new Math_BigInteger(); - $one = new Math_BigInteger(1); - $two = new Math_BigInteger(2); + $zero = new static(); + $one = new static(1); + $two = new static(2); } if ($this->equals($one)) { @@ -3399,7 +3395,7 @@ class Math_BigInteger } // see HAC 4.4.1 "Random search for probable primes" - if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL ) { + if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { foreach ($primes as $prime) { list(, $r) = $this->divide($prime); if ($r->equals($zero)) { @@ -3423,7 +3419,7 @@ class Math_BigInteger $r = $n_1->copy(); $r_value = $r->value; // ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s)); - if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) { + if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { $s = 0; // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals($one) check earlier while ($r->value[strlen($r->value) - 1] % 2 == 0) { @@ -3433,7 +3429,8 @@ class Math_BigInteger } else { for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) { $temp = ~$r_value[$i] & 0xFFFFFF; - for ($j = 1; ($temp >> $j) & 1; ++$j); + for ($j = 1; ($temp >> $j) & 1; ++$j) { + } if ($j != 25) { break; } @@ -3467,28 +3464,28 @@ class Math_BigInteger * * Shifts BigInteger's by $shift bits. * - * @param Integer $shift + * @param int $shift * @access private */ function _lshift($shift) { - if ( $shift == 0 ) { + if ($shift == 0) { return; } - $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE); - $shift %= MATH_BIGINTEGER_BASE; + $num_digits = (int) ($shift / self::$base); + $shift %= self::$base; $shift = 1 << $shift; $carry = 0; for ($i = 0; $i < count($this->value); ++$i) { $temp = $this->value[$i] * $shift + $carry; - $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $this->value[$i] = (int) ($temp - $carry * MATH_BIGINTEGER_BASE_FULL); + $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); + $this->value[$i] = (int) ($temp - $carry * self::$baseFull); } - if ( $carry ) { + if ($carry) { $this->value[count($this->value)] = $carry; } @@ -3502,7 +3499,7 @@ class Math_BigInteger * * Shifts BigInteger's by $shift bits. * - * @param Integer $shift + * @param int $shift * @access private */ function _rshift($shift) @@ -3511,12 +3508,12 @@ class Math_BigInteger return; } - $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE); - $shift %= MATH_BIGINTEGER_BASE; - $carry_shift = MATH_BIGINTEGER_BASE - $shift; + $num_digits = (int) ($shift / self::$base); + $shift %= self::$base; + $carry_shift = self::$base - $shift; $carry_mask = (1 << $shift) - 1; - if ( $num_digits ) { + if ($num_digits) { $this->value = array_slice($this->value, $num_digits); } @@ -3536,9 +3533,9 @@ class Math_BigInteger * * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision * - * @param Math_BigInteger - * @return Math_BigInteger - * @see _trim() + * @param \phpseclib\Math\BigInteger + * @return \phpseclib\Math\BigInteger + * @see self::_trim() * @access private */ function _normalize($result) @@ -3546,14 +3543,14 @@ class Math_BigInteger $result->precision = $this->precision; $result->bitmask = $this->bitmask; - switch ( MATH_BIGINTEGER_MODE ) { - case MATH_BIGINTEGER_MODE_GMP: - if (!empty($result->bitmask->value)) { + switch (MATH_BIGINTEGER_MODE) { + case self::MODE_GMP: + if ($this->bitmask !== false) { $result->value = gmp_and($result->value, $result->bitmask->value); } return $result; - case MATH_BIGINTEGER_MODE_BCMATH: + case self::MODE_BCMATH: if (!empty($result->bitmask->value)) { $result->value = bcmod($result->value, $result->bitmask->value); } @@ -3563,7 +3560,7 @@ class Math_BigInteger $value = &$result->value; - if ( !count($value) ) { + if (!count($value)) { return $result; } @@ -3586,14 +3583,14 @@ class Math_BigInteger * * Removes leading zeros * - * @param Array $value - * @return Math_BigInteger + * @param array $value + * @return \phpseclib\Math\BigInteger * @access private */ function _trim($value) { for ($i = count($value) - 1; $i >= 0; --$i) { - if ( $value[$i] ) { + if ($value[$i]) { break; } unset($value[$i]); @@ -3607,7 +3604,7 @@ class Math_BigInteger * * @param $input Array * @param $multiplier mixed - * @return Array + * @return array * @access private */ function _array_repeat($input, $multiplier) @@ -3622,7 +3619,7 @@ class Math_BigInteger * * @param $x String * @param $shift Integer - * @return String + * @return string * @access private */ function _base256_lshift(&$x, $shift) @@ -3651,7 +3648,7 @@ class Math_BigInteger * * @param $x String * @param $shift Integer - * @return String + * @return string * @access private */ function _base256_rshift(&$x, $shift) @@ -3691,8 +3688,8 @@ class Math_BigInteger /** * Converts 32-bit integers to bytes. * - * @param Integer $x - * @return String + * @param int $x + * @return string * @access private */ function _int2bytes($x) @@ -3703,8 +3700,8 @@ class Math_BigInteger /** * Converts bytes to 32-bit integers * - * @param String $x - * @return Integer + * @param string $x + * @return int * @access private */ function _bytes2int($x) @@ -3718,10 +3715,10 @@ class Math_BigInteger * * The ability to DER-encode integers is needed to create RSA public keys for use with OpenSSL * - * @see modPow() + * @see self::modPow() * @access private - * @param Integer $length - * @return String + * @param int $length + * @return string */ function _encodeASN1Length($length) { @@ -3742,17 +3739,17 @@ class Math_BigInteger * we'll guarantee that the dividend is divisible by first subtracting the remainder. * * @access private - * @param Integer $x - * @param Integer $y - * @return Integer + * @param int $x + * @param int $y + * @return int */ function _safe_divide($x, $y) { - if (MATH_BIGINTEGER_BASE === 26) { + if (self::$base === 26) { return (int) ($x / $y); } - // MATH_BIGINTEGER_BASE === 31 + // self::$base === 31 return ($x - ($x % $y)) / $y; } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SCP.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SCP.php index b5cd2f55d..8784b543a 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SCP.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SCP.php @@ -3,94 +3,77 @@ /** * Pure-PHP implementation of SCP. * - * PHP versions 4 and 5 + * PHP version 5 * * The API for this library is modeled after the API from PHP's {@link http://php.net/book.ftp FTP extension}. * * Here's a short example of how to use this library: * * login('username', 'password')) { * exit('bad login'); * } - - * $scp = new Net_SCP($ssh); + * $scp = new \phpseclib\Net\SCP($ssh); + * * $scp->put('abcd', str_repeat('x', 1024*1024)); * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Net - * @package Net_SCP + * @package SCP * @author Jim Wigginton * @copyright 2010 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/**#@+ - * @access public - * @see Net_SCP::put() - */ -/** - * Reads data from a local file. - */ -define('NET_SCP_LOCAL_FILE', 1); -/** - * Reads data from a string. - */ -define('NET_SCP_STRING', 2); -/**#@-*/ - -/**#@+ - * @access private - * @see Net_SCP::_send() - * @see Net_SCP::_receive() - */ -/** - * SSH1 is being used. - */ -define('NET_SCP_SSH1', 1); -/** - * SSH2 is being used. - */ -define('NET_SCP_SSH2', 2); -/**#@-*/ +namespace phpseclib\Net; /** * Pure-PHP implementations of SCP. * - * @package Net_SCP + * @package SCP * @author Jim Wigginton * @access public */ -class Net_SCP +class SCP { + /**#@+ + * @access public + * @see \phpseclib\Net\SCP::put() + */ + /** + * Reads data from a local file. + */ + const SOURCE_LOCAL_FILE = 1; + /** + * Reads data from a string. + */ + const SOURCE_STRING = 2; + /**#@-*/ + + /**#@+ + * @access private + * @see \phpseclib\Net\SCP::_send() + * @see \phpseclib\Net\SCP::_receive() + */ + /** + * SSH1 is being used. + */ + const MODE_SSH1 = 1; + /** + * SSH2 is being used. + */ + const MODE_SSH2 = 2; + /**#@-*/ + /** * SSH Object * - * @var Object + * @var object * @access private */ var $ssh; @@ -98,7 +81,7 @@ class Net_SCP /** * Packet Size * - * @var Integer + * @var int * @access private */ var $packet_size; @@ -106,7 +89,7 @@ class Net_SCP /** * Mode * - * @var Integer + * @var int * @access private */ var $mode; @@ -116,55 +99,46 @@ class Net_SCP * * Connects to an SSH server * - * @param String $host - * @param optional Integer $port - * @param optional Integer $timeout - * @return Net_SCP + * @param \phpseclib\Net\SSH1|\phpseclin\Net\SSH2 $ssh + * @return \phpseclib\Net\SCP * @access public */ - function Net_SCP($ssh) + function __construct($ssh) { - if (!is_object($ssh)) { + if ($ssh instanceof SSH2) { + $this->mode = self::MODE_SSH2; + } elseif ($ssh instanceof SSH1) { + $this->packet_size = 50000; + $this->mode = self::MODE_SSH1; + } else { return; } - switch (strtolower(get_class($ssh))) { - case 'net_ssh2': - $this->mode = NET_SCP_SSH2; - break; - case 'net_ssh1': - $this->packet_size = 50000; - $this->mode = NET_SCP_SSH1; - break; - default: - return; - } - $this->ssh = $ssh; } /** * Uploads a file to the SCP server. * - * By default, Net_SCP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. - * So, for example, if you set $data to 'filename.ext' and then do Net_SCP::get(), you will get a file, twelve bytes + * By default, \phpseclib\Net\SCP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. + * So, for example, if you set $data to 'filename.ext' and then do \phpseclib\Net\SCP::get(), you will get a file, twelve bytes * long, containing 'filename.ext' as its contents. * - * Setting $mode to NET_SCP_LOCAL_FILE will change the above behavior. With NET_SCP_LOCAL_FILE, $remote_file will + * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior. With self::SOURCE_LOCAL_FILE, $remote_file will * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how * large $remote_file will be, as well. * * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take * care of that, yourself. * - * @param String $remote_file - * @param String $data - * @param optional Integer $mode - * @param optional Callable $callback - * @return Boolean + * @param string $remote_file + * @param string $data + * @param int $mode + * @param callable $callback + * @return bool * @access public */ - function put($remote_file, $data, $mode = NET_SCP_STRING, $callback = null) + function put($remote_file, $data, $mode = self::SOURCE_STRING, $callback = null) { if (!isset($this->ssh)) { return false; @@ -179,13 +153,13 @@ class Net_SCP return false; } - if ($this->mode == NET_SCP_SSH2) { - $this->packet_size = $this->ssh->packet_size_client_to_server[NET_SSH2_CHANNEL_EXEC] - 4; + if ($this->mode == self::MODE_SSH2) { + $this->packet_size = $this->ssh->packet_size_client_to_server[SSH2::CHANNEL_EXEC] - 4; } $remote_file = basename($remote_file); - if ($mode == NET_SCP_STRING) { + if ($mode == self::SOURCE_STRING) { $size = strlen($data); } else { if (!is_file($data)) { @@ -209,7 +183,7 @@ class Net_SCP $sent = 0; while ($sent < $size) { - $temp = $mode & NET_SCP_STRING ? substr($data, $sent, $this->packet_size) : fread($fp, $this->packet_size); + $temp = $mode & self::SOURCE_STRING ? substr($data, $sent, $this->packet_size) : fread($fp, $this->packet_size); $this->_send($temp); $sent+= strlen($temp); @@ -219,7 +193,7 @@ class Net_SCP } $this->_close(); - if ($mode != NET_SCP_STRING) { + if ($mode != self::SOURCE_STRING) { fclose($fp); } @@ -233,9 +207,9 @@ class Net_SCP * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the * operation * - * @param String $remote_file - * @param optional String $local_file - * @return Mixed + * @param string $remote_file + * @param string $local_file + * @return mixed * @access public */ function get($remote_file, $local_file = false) @@ -291,42 +265,42 @@ class Net_SCP /** * Sends a packet to an SSH server * - * @param String $data + * @param string $data * @access private */ function _send($data) { switch ($this->mode) { - case NET_SCP_SSH2: - $this->ssh->_send_channel_packet(NET_SSH2_CHANNEL_EXEC, $data); + case self::MODE_SSH2: + $this->ssh->_send_channel_packet(SSH2::CHANNEL_EXEC, $data); break; - case NET_SCP_SSH1: + case self::MODE_SSH1: $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($data), $data); $this->ssh->_send_binary_packet($data); - } + } } /** * Receives a packet from an SSH server * - * @return String + * @return string * @access private */ function _receive() { switch ($this->mode) { - case NET_SCP_SSH2: - return $this->ssh->_get_channel_packet(NET_SSH2_CHANNEL_EXEC, true); - case NET_SCP_SSH1: + case self::MODE_SSH2: + return $this->ssh->_get_channel_packet(SSH2::CHANNEL_EXEC, true); + case self::MODE_SSH1: if (!$this->ssh->bitmap) { return false; } while (true) { $response = $this->ssh->_get_binary_packet(); - switch ($response[NET_SSH1_RESPONSE_TYPE]) { + switch ($response[SSH1::RESPONSE_TYPE]) { case NET_SSH1_SMSG_STDOUT_DATA: - extract(unpack('Nlength', $response[NET_SSH1_RESPONSE_DATA])); - return $this->ssh->_string_shift($response[NET_SSH1_RESPONSE_DATA], $length); + extract(unpack('Nlength', $response[SSH1::RESPONSE_DATA])); + return $this->ssh->_string_shift($response[SSH1::RESPONSE_DATA], $length); case NET_SSH1_SMSG_STDERR_DATA: break; case NET_SSH1_SMSG_EXITSTATUS: @@ -339,7 +313,7 @@ class Net_SCP return false; } } - } + } } /** @@ -350,11 +324,11 @@ class Net_SCP function _close() { switch ($this->mode) { - case NET_SCP_SSH2: - $this->ssh->_close_channel(NET_SSH2_CHANNEL_EXEC, true); + case self::MODE_SSH2: + $this->ssh->_close_channel(SSH2::CHANNEL_EXEC, true); break; - case NET_SCP_SSH1: + case self::MODE_SSH1: $this->ssh->disconnect(); - } + } } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP.php index 5f7d3666e..053ad3b77 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP.php @@ -3,7 +3,7 @@ /** * Pure-PHP implementation of SFTP. * - * PHP versions 4 and 5 + * PHP version 5 * * Currently only supports SFTPv2 and v3, which, according to wikipedia.org, "is the most widely used version, * implemented by the popular OpenSSH SFTP server". If you want SFTPv4/5/6 support, provide me with access @@ -14,9 +14,9 @@ * Here's a short example of how to use this library: * * login('username', 'password')) { * exit('Login Failed'); * } @@ -27,105 +27,69 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Net - * @package Net_SFTP + * @package SFTP * @author Jim Wigginton * @copyright 2009 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Net_SSH2 - */ -if (!class_exists('Net_SSH2')) { - include_once 'SSH2.php'; -} - -/**#@+ - * @access public - * @see Net_SFTP::getLog() - */ -/** - * Returns the message numbers - */ -define('NET_SFTP_LOG_SIMPLE', NET_SSH2_LOG_SIMPLE); -/** - * Returns the message content - */ -define('NET_SFTP_LOG_COMPLEX', NET_SSH2_LOG_COMPLEX); -/** - * Outputs the message content in real-time. - */ -define('NET_SFTP_LOG_REALTIME', 3); -/**#@-*/ - -/** - * SFTP channel constant - * - * Net_SSH2::exec() uses 0 and Net_SSH2::read() / Net_SSH2::write() use 1. - * - * @see Net_SSH2::_send_channel_packet() - * @see Net_SSH2::_get_channel_packet() - * @access private - */ -define('NET_SFTP_CHANNEL', 0x100); - -/**#@+ - * @access public - * @see Net_SFTP::put() - */ -/** - * Reads data from a local file. - */ -define('NET_SFTP_LOCAL_FILE', 1); -/** - * Reads data from a string. - */ -// this value isn't really used anymore but i'm keeping it reserved for historical reasons -define('NET_SFTP_STRING', 2); -/** - * Resumes an upload - */ -define('NET_SFTP_RESUME', 4); -/** - * Append a local file to an already existing remote file - */ -define('NET_SFTP_RESUME_START', 8); -/**#@-*/ +namespace phpseclib\Net; /** * Pure-PHP implementations of SFTP. * - * @package Net_SFTP + * @package SFTP * @author Jim Wigginton * @access public */ -class Net_SFTP extends Net_SSH2 +class SFTP extends SSH2 { + /** + * SFTP channel constant + * + * \phpseclib\Net\SSH2::exec() uses 0 and \phpseclib\Net\SSH2::read() / \phpseclib\Net\SSH2::write() use 1. + * + * @see \phpseclib\Net\SSH2::_send_channel_packet() + * @see \phpseclib\Net\SSH2::_get_channel_packet() + * @access private + */ + const CHANNEL = 0x100; + + /**#@+ + * @access public + * @see \phpseclib\Net\SFTP::put() + */ + /** + * Reads data from a local file. + */ + const SOURCE_LOCAL_FILE = 1; + /** + * Reads data from a string. + */ + // this value isn't really used anymore but i'm keeping it reserved for historical reasons + const SOURCE_STRING = 2; + /** + * Reads data from callback: + * function callback($length) returns string to proceed, null for EOF + */ + const SOURCE_CALLBACK = 16; + /** + * Resumes an upload + */ + const RESUME = 4; + /** + * Append a local file to an already existing remote file + */ + const RESUME_START = 8; + /**#@-*/ + /** * Packet Types * - * @see Net_SFTP::Net_SFTP() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $packet_types = array(); @@ -133,8 +97,8 @@ class Net_SFTP extends Net_SSH2 /** * Status Codes * - * @see Net_SFTP::Net_SFTP() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $status_codes = array(); @@ -145,8 +109,8 @@ class Net_SFTP extends Net_SSH2 * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support * concurrent actions, so it's somewhat academic, here. * - * @var Integer - * @see Net_SFTP::_send_sftp_packet() + * @var int + * @see self::_send_sftp_packet() * @access private */ var $request_id = false; @@ -157,8 +121,8 @@ class Net_SFTP extends Net_SSH2 * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support * concurrent actions, so it's somewhat academic, here. * - * @var Integer - * @see Net_SFTP::_get_sftp_packet() + * @var int + * @see self::_get_sftp_packet() * @access private */ var $packet_type = -1; @@ -166,8 +130,8 @@ class Net_SFTP extends Net_SSH2 /** * Packet Buffer * - * @var String - * @see Net_SFTP::_get_sftp_packet() + * @var string + * @see self::_get_sftp_packet() * @access private */ var $packet_buffer = ''; @@ -175,8 +139,8 @@ class Net_SFTP extends Net_SSH2 /** * Extensions supported by the server * - * @var Array - * @see Net_SFTP::_initChannel() + * @var array + * @see self::_initChannel() * @access private */ var $extensions = array(); @@ -184,8 +148,8 @@ class Net_SFTP extends Net_SSH2 /** * Server SFTP version * - * @var Integer - * @see Net_SFTP::_initChannel() + * @var int + * @see self::_initChannel() * @access private */ var $version; @@ -193,9 +157,9 @@ class Net_SFTP extends Net_SSH2 /** * Current working directory * - * @var String - * @see Net_SFTP::_realpath() - * @see Net_SFTP::chdir() + * @var string + * @see self::_realpath() + * @see self::chdir() * @access private */ var $pwd = false; @@ -203,8 +167,8 @@ class Net_SFTP extends Net_SSH2 /** * Packet Type Log * - * @see Net_SFTP::getLog() - * @var Array + * @see self::getLog() + * @var array * @access private */ var $packet_type_log = array(); @@ -212,8 +176,8 @@ class Net_SFTP extends Net_SSH2 /** * Packet Log * - * @see Net_SFTP::getLog() - * @var Array + * @see self::getLog() + * @var array * @access private */ var $packet_log = array(); @@ -221,9 +185,9 @@ class Net_SFTP extends Net_SSH2 /** * Error information * - * @see Net_SFTP::getSFTPErrors() - * @see Net_SFTP::getLastSFTPError() - * @var String + * @see self::getSFTPErrors() + * @see self::getLastSFTPError() + * @var string * @access private */ var $sftp_errors = array(); @@ -234,10 +198,10 @@ class Net_SFTP extends Net_SSH2 * Rather than always having to open a directory and close it immediately there after to see if a file is a directory * we'll cache the results. * - * @see Net_SFTP::_update_stat_cache() - * @see Net_SFTP::_remove_from_stat_cache() - * @see Net_SFTP::_query_stat_cache() - * @var Array + * @see self::_update_stat_cache() + * @see self::_remove_from_stat_cache() + * @see self::_query_stat_cache() + * @var array * @access private */ var $stat_cache = array(); @@ -245,9 +209,9 @@ class Net_SFTP extends Net_SSH2 /** * Max SFTP Packet Size * - * @see Net_SFTP::Net_SFTP() - * @see Net_SFTP::get() - * @var Array + * @see self::__construct() + * @see self::get() + * @var array * @access private */ var $max_sftp_packet; @@ -255,9 +219,9 @@ class Net_SFTP extends Net_SSH2 /** * Stat Cache Flag * - * @see Net_SFTP::disableStatCache() - * @see Net_SFTP::enableStatCache() - * @var Boolean + * @see self::disableStatCache() + * @see self::enableStatCache() + * @var bool * @access private */ var $use_stat_cache = true; @@ -265,9 +229,9 @@ class Net_SFTP extends Net_SSH2 /** * Sort Options * - * @see Net_SFTP::_comparator() - * @see Net_SFTP::setListOrder() - * @var Array + * @see self::_comparator() + * @see self::setListOrder() + * @var array * @access private */ var $sortOptions = array(); @@ -277,15 +241,15 @@ class Net_SFTP extends Net_SSH2 * * Connects to an SFTP server * - * @param String $host - * @param optional Integer $port - * @param optional Integer $timeout - * @return Net_SFTP + * @param string $host + * @param int $port + * @param int $timeout + * @return \phpseclib\Net\SFTP * @access public */ - function Net_SFTP($host, $port = 22, $timeout = 10) + function __construct($host, $port = 22, $timeout = 10) { - parent::Net_SSH2($host, $port, $timeout); + parent::__construct($host, $port, $timeout); $this->max_sftp_packet = 1 << 15; @@ -361,7 +325,7 @@ class Net_SFTP extends Net_SSH2 31 => 'NET_SFTP_STATUS_NO_MATCHING_BYTE_RANGE_LOCK' ); // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-7.1 - // the order, in this case, matters quite a lot - see Net_SFTP::_parseAttributes() to understand why + // the order, in this case, matters quite a lot - see \phpseclib\Net\SFTP::_parseAttributes() to understand why $this->attributes = array( 0x00000001 => 'NET_SFTP_ATTR_SIZE', 0x00000002 => 'NET_SFTP_ATTR_UIDGID', // defined in SFTPv3, removed in SFTPv4+ @@ -375,7 +339,7 @@ class Net_SFTP extends Net_SSH2 ); // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 // the flag definitions change somewhat in SFTPv5+. if SFTPv5+ support is added to this library, maybe name - // the array for that $this->open5_flags and similarily alter the constant names. + // the array for that $this->open5_flags and similarly alter the constant names. $this->open_flags = array( 0x00000001 => 'NET_SFTP_OPEN_READ', 0x00000002 => 'NET_SFTP_OPEN_WRITE', @@ -385,7 +349,7 @@ class Net_SFTP extends Net_SSH2 0x00000020 => 'NET_SFTP_OPEN_EXCL' ); // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 - // see Net_SFTP::_parseLongname() for an explanation + // see \phpseclib\Net\SFTP::_parseLongname() for an explanation $this->file_types = array( 1 => 'NET_SFTP_TYPE_REGULAR', 2 => 'NET_SFTP_TYPE_DIRECTORY', @@ -415,9 +379,9 @@ class Net_SFTP extends Net_SSH2 /** * Login * - * @param String $username - * @param optional String $password - * @return Boolean + * @param string $username + * @param string $password + * @return bool * @access public */ function login($username) @@ -427,31 +391,46 @@ class Net_SFTP extends Net_SSH2 return false; } - $this->window_size_server_to_client[NET_SFTP_CHANNEL] = $this->window_size; + $this->window_size_server_to_client[self::CHANNEL] = $this->window_size; - $packet = pack('CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SFTP_CHANNEL, $this->window_size, 0x4000); + $packet = pack( + 'CNa*N3', + NET_SSH2_MSG_CHANNEL_OPEN, + strlen('session'), + 'session', + self::CHANNEL, + $this->window_size, + 0x4000 + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN; + $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN; - $response = $this->_get_channel_packet(NET_SFTP_CHANNEL); + $response = $this->_get_channel_packet(self::CHANNEL); if ($response === false) { return false; } - $packet = pack('CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SFTP_CHANNEL], strlen('subsystem'), 'subsystem', 1, strlen('sftp'), 'sftp'); + $packet = pack( + 'CNNa*CNa*', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL], + strlen('subsystem'), + 'subsystem', + 1, + strlen('sftp'), + 'sftp' + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; + $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; - $response = $this->_get_channel_packet(NET_SFTP_CHANNEL); + $response = $this->_get_channel_packet(self::CHANNEL); if ($response === false) { // from PuTTY's psftp.exe $command = "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" . @@ -459,21 +438,29 @@ class Net_SFTP extends Net_SSH2 "exec sftp-server"; // we don't do $this->exec($command, false) because exec() operates on a different channel and plus the SSH_MSG_CHANNEL_OPEN that exec() does // is redundant - $packet = pack('CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SFTP_CHANNEL], strlen('exec'), 'exec', 1, strlen($command), $command); + $packet = pack( + 'CNNa*CNa*', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL], + strlen('exec'), + 'exec', + 1, + strlen($command), + $command + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; + $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; - $response = $this->_get_channel_packet(NET_SFTP_CHANNEL); + $response = $this->_get_channel_packet(self::CHANNEL); if ($response === false) { return false; } } - $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA; + $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA; if (!$this->_send_sftp_packet(NET_SFTP_INIT, "\0\0\0\3")) { return false; @@ -531,7 +518,7 @@ class Net_SFTP extends Net_SSH2 So what do you do if you have a client whose initial SSH_FXP_INIT packet says it implements v3 and a server whose initial SSH_FXP_VERSION reply says it implements v4 and only v4? If it only implements v4, the "versions" extension is likely not going to have been sent so version re-negotiation as discussed - in draft-ietf-secsh-filexfer-13 would be quite impossible. As such, what Net_SFTP would do is close the + in draft-ietf-secsh-filexfer-13 would be quite impossible. As such, what \phpseclib\Net\SFTP would do is close the channel and reopen it with a new and updated SSH_FXP_INIT packet. */ switch ($this->version) { @@ -582,7 +569,7 @@ class Net_SFTP extends Net_SSH2 /** * Returns the current directory name * - * @return Mixed + * @return mixed * @access public */ function pwd() @@ -593,8 +580,8 @@ class Net_SFTP extends Net_SSH2 /** * Logs errors * - * @param String $response - * @param optional Integer $status + * @param string $response + * @param int $status * @access public */ function _logError($response, $status = -1) @@ -613,15 +600,30 @@ class Net_SFTP extends Net_SSH2 } } + /** + * Returns canonicalized absolute pathname + * + * realpath() expands all symbolic links and resolves references to '/./', '/../' and extra '/' characters in the input + * path and returns the canonicalized absolute pathname. + * + * @param string $path + * @return mixed + * @access public + */ + function realpath($path) + { + return $this->_realpath($path); + } + /** * Canonicalize the Server-Side Path Name * * SFTP doesn't provide a mechanism by which the current working directory can be changed, so we'll emulate it. Returns * the absolute (canonicalized) path. * - * @see Net_SFTP::chdir() - * @param String $path - * @return Mixed + * @see self::chdir() + * @param string $path + * @return mixed * @access private */ function _realpath($path) @@ -676,13 +678,13 @@ class Net_SFTP extends Net_SSH2 /** * Changes the current directory * - * @param String $dir - * @return Boolean + * @param string $dir + * @return bool * @access public */ function chdir($dir) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -711,7 +713,7 @@ class Net_SFTP extends Net_SSH2 return false; } - // see Net_SFTP::nlist() for a more thorough explanation of the following + // see \phpseclib\Net\SFTP::nlist() for a more thorough explanation of the following $response = $this->_get_sftp_packet(); switch ($this->packet_type) { case NET_SFTP_HANDLE: @@ -738,9 +740,9 @@ class Net_SFTP extends Net_SSH2 /** * Returns a list of files in the given directory * - * @param optional String $dir - * @param optional Boolean $recursive - * @return Mixed + * @param string $dir + * @param bool $recursive + * @return mixed * @access public */ function nlist($dir = '.', $recursive = false) @@ -751,17 +753,17 @@ class Net_SFTP extends Net_SSH2 /** * Helper method for nlist * - * @param String $dir - * @param Boolean $recursive - * @param String $relativeDir - * @return Mixed + * @param string $dir + * @param bool $recursive + * @param string $relativeDir + * @return mixed * @access private */ function _nlist_helper($dir, $recursive, $relativeDir) { $files = $this->_list($dir, false); - if (!$recursive) { + if (!$recursive || $files === false) { return $files; } @@ -787,9 +789,9 @@ class Net_SFTP extends Net_SSH2 /** * Returns a detailed list of files in the given directory * - * @param optional String $dir - * @param optional Boolean $recursive - * @return Mixed + * @param string $dir + * @param bool $recursive + * @return mixed * @access public */ function rawlist($dir = '.', $recursive = false) @@ -801,7 +803,7 @@ class Net_SFTP extends Net_SSH2 static $depth = 0; - foreach ($files as $key=>$value) { + foreach ($files as $key => $value) { if ($depth != 0 && $key == '..') { unset($files[$key]); continue; @@ -821,14 +823,14 @@ class Net_SFTP extends Net_SSH2 /** * Reads a list, be it detailed or not, of files in the given directory * - * @param String $dir - * @param optional Boolean $raw - * @return Mixed + * @param string $dir + * @param bool $raw + * @return mixed * @access private */ function _list($dir, $raw = true) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -896,7 +898,7 @@ class Net_SFTP extends Net_SSH2 } else { $temp = $dir . '/' . $shortname; } - $this->_update_stat_cache($temp, (object) $attributes); + $this->_update_stat_cache($temp, (object) array('lstat' => $attributes)); } // SFTPv6 has an optional boolean end-of-list field, but we'll ignore that, since the // final SSH_FXP_STATUS packet should tell us that, already. @@ -931,9 +933,9 @@ class Net_SFTP extends Net_SSH2 * * Intended for use with uasort() * - * @param Array $a - * @param Array $b - * @return Integer + * @param array $a + * @param array $b + * @return int * @access private */ function _comparator($a, $b) @@ -1031,13 +1033,13 @@ class Net_SFTP extends Net_SSH2 * * Files larger than 4GB will show up as being exactly 4GB. * - * @param String $filename - * @return Mixed + * @param string $filename + * @return mixed * @access public */ function size($filename) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1051,22 +1053,40 @@ class Net_SFTP extends Net_SSH2 /** * Save files / directories to cache * - * @param String $path - * @param Mixed $value + * @param string $path + * @param mixed $value * @access private */ function _update_stat_cache($path, $value) { + if ($this->use_stat_cache === false) { + return; + } + // preg_replace('#^/|/(?=/)|/$#', '', $dir) == str_replace('//', '/', trim($path, '/')) $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); $temp = &$this->stat_cache; $max = count($dirs) - 1; - foreach ($dirs as $i=>$dir) { + foreach ($dirs as $i => $dir) { + // if $temp is an object that means one of two things. + // 1. a file was deleted and changed to a directory behind phpseclib's back + // 2. it's a symlink. when lstat is done it's unclear what it's a symlink to + if (is_object($temp)) { + $temp = array(); + } if (!isset($temp[$dir])) { $temp[$dir] = array(); } if ($i === $max) { + if (is_object($temp[$dir])) { + if (!isset($value->stat) && isset($temp[$dir]->stat)) { + $value->stat = $temp[$dir]->stat; + } + if (!isset($value->lstat) && isset($temp[$dir]->lstat)) { + $value->lstat = $temp[$dir]->lstat; + } + } $temp[$dir] = $value; break; } @@ -1077,8 +1097,8 @@ class Net_SFTP extends Net_SSH2 /** * Remove files / directories from cache * - * @param String $path - * @return Boolean + * @param string $path + * @return bool * @access private */ function _remove_from_stat_cache($path) @@ -1087,7 +1107,7 @@ class Net_SFTP extends Net_SSH2 $temp = &$this->stat_cache; $max = count($dirs) - 1; - foreach ($dirs as $i=>$dir) { + foreach ($dirs as $i => $dir) { if ($i === $max) { unset($temp[$dir]); return true; @@ -1104,8 +1124,8 @@ class Net_SFTP extends Net_SSH2 * * Mainly used by file_exists * - * @param String $dir - * @return Mixed + * @param string $dir + * @return mixed * @access private */ function _query_stat_cache($path) @@ -1127,13 +1147,13 @@ class Net_SFTP extends Net_SSH2 * * Returns an array on success and false otherwise. * - * @param String $filename - * @return Mixed + * @param string $filename + * @return mixed * @access public */ function stat($filename) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1144,11 +1164,11 @@ class Net_SFTP extends Net_SSH2 if ($this->use_stat_cache) { $result = $this->_query_stat_cache($filename); - if (is_array($result) && isset($result['.'])) { - return (array) $result['.']; + if (is_array($result) && isset($result['.']) && isset($result['.']->stat)) { + return $result['.']->stat; } - if (is_object($result)) { - return (array) $result; + if (is_object($result) && isset($result->stat)) { + return $result->stat; } } @@ -1161,7 +1181,7 @@ class Net_SFTP extends Net_SSH2 if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) { $filename.= '/.'; } - $this->_update_stat_cache($filename, (object) $stat); + $this->_update_stat_cache($filename, (object) array('stat' => $stat)); return $stat; } @@ -1174,7 +1194,7 @@ class Net_SFTP extends Net_SSH2 if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) { $filename.= '/.'; } - $this->_update_stat_cache($filename, (object) $stat); + $this->_update_stat_cache($filename, (object) array('stat' => $stat)); return $stat; } @@ -1184,13 +1204,13 @@ class Net_SFTP extends Net_SSH2 * * Returns an array on success and false otherwise. * - * @param String $filename - * @return Mixed + * @param string $filename + * @return mixed * @access public */ function lstat($filename) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1201,11 +1221,11 @@ class Net_SFTP extends Net_SSH2 if ($this->use_stat_cache) { $result = $this->_query_stat_cache($filename); - if (is_array($result) && isset($result['.'])) { - return (array) $result['.']; + if (is_array($result) && isset($result['.']) && isset($result['.']->lstat)) { + return $result['.']->lstat; } - if (is_object($result)) { - return (array) $result; + if (is_object($result) && isset($result->lstat)) { + return $result->lstat; } } @@ -1218,7 +1238,7 @@ class Net_SFTP extends Net_SSH2 if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) { $filename.= '/.'; } - $this->_update_stat_cache($filename, (object) $lstat); + $this->_update_stat_cache($filename, (object) array('lstat' => $lstat)); return $lstat; } @@ -1226,7 +1246,7 @@ class Net_SFTP extends Net_SSH2 if ($lstat != $stat) { $lstat = array_merge($lstat, array('type' => NET_SFTP_TYPE_SYMLINK)); - $this->_update_stat_cache($filename, (object) $lstat); + $this->_update_stat_cache($filename, (object) array('lstat' => $lstat)); return $stat; } @@ -1239,7 +1259,7 @@ class Net_SFTP extends Net_SSH2 if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) { $filename.= '/.'; } - $this->_update_stat_cache($filename, (object) $lstat); + $this->_update_stat_cache($filename, (object) array('lstat' => $lstat)); return $lstat; } @@ -1247,12 +1267,12 @@ class Net_SFTP extends Net_SSH2 /** * Returns general information about a file or symbolic link * - * Determines information without calling Net_SFTP::_realpath(). + * Determines information without calling \phpseclib\Net\SFTP::_realpath(). * The second parameter can be either NET_SFTP_STAT or NET_SFTP_LSTAT. * - * @param String $filename - * @param Integer $type - * @return Mixed + * @param string $filename + * @param int $type + * @return mixed * @access private */ function _stat($filename, $type) @@ -1279,9 +1299,9 @@ class Net_SFTP extends Net_SSH2 /** * Truncates a file to a given length * - * @param String $filename - * @param Integer $new_size - * @return Boolean + * @param string $filename + * @param int $new_size + * @return bool * @access public */ function truncate($filename, $new_size) @@ -1296,15 +1316,15 @@ class Net_SFTP extends Net_SSH2 * * If the file does not exist, it will be created. * - * @param String $filename - * @param optional Integer $time - * @param optional Integer $atime - * @return Boolean + * @param string $filename + * @param int $time + * @param int $atime + * @return bool * @access public */ function touch($filename, $time = null, $atime = null) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1347,10 +1367,10 @@ class Net_SFTP extends Net_SSH2 * * Returns true on success or false on error. * - * @param String $filename - * @param Integer $uid - * @param optional Boolean $recursive - * @return Boolean + * @param string $filename + * @param int $uid + * @param bool $recursive + * @return bool * @access public */ function chown($filename, $uid, $recursive = false) @@ -1367,10 +1387,10 @@ class Net_SFTP extends Net_SSH2 * * Returns true on success or false on error. * - * @param String $filename - * @param Integer $gid - * @param optional Boolean $recursive - * @return Boolean + * @param string $filename + * @param int $gid + * @param bool $recursive + * @return bool * @access public */ function chgrp($filename, $gid, $recursive = false) @@ -1386,10 +1406,10 @@ class Net_SFTP extends Net_SSH2 * Returns the new file permissions on success or false on error. * If $recursive is true than this just returns true or false. * - * @param Integer $mode - * @param String $filename - * @param optional Boolean $recursive - * @return Mixed + * @param int $mode + * @param string $filename + * @param bool $recursive + * @return mixed * @access public */ function chmod($mode, $filename, $recursive = false) @@ -1408,6 +1428,7 @@ class Net_SFTP extends Net_SSH2 return true; } + $filename = $this->_realPath($filename); // rather than return what the permissions *should* be, we'll return what they actually are. this will also // tell us if the file actually exists. // incidentally, SFTPv4+ adds an additional 32-bit integer field - flags - to the following: @@ -1433,15 +1454,15 @@ class Net_SFTP extends Net_SSH2 /** * Sets information about a file * - * @param String $filename - * @param String $attr - * @param Boolean $recursive - * @return Boolean + * @param string $filename + * @param string $attr + * @param bool $recursive + * @return bool * @access private */ function _setstat($filename, $attr, $recursive) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1492,10 +1513,10 @@ class Net_SFTP extends Net_SSH2 * * Minimizes directory lookups and SSH_FXP_STATUS requests for speed. * - * @param String $path - * @param String $attr - * @param Integer $i - * @return Boolean + * @param string $path + * @param string $attr + * @param int $i + * @return bool * @access private */ function _setstat_recursive($path, $attr, &$i) @@ -1517,7 +1538,7 @@ class Net_SFTP extends Net_SSH2 } unset($entries['.'], $entries['..']); - foreach ($entries as $filename=>$props) { + foreach ($entries as $filename => $props) { if (!isset($props['type'])) { return false; } @@ -1562,13 +1583,13 @@ class Net_SFTP extends Net_SSH2 /** * Return the target of a symbolic link * - * @param String $link - * @return Mixed + * @param string $link + * @return mixed * @access public */ function readlink($link) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1605,18 +1626,18 @@ class Net_SFTP extends Net_SSH2 * * symlink() creates a symbolic link to the existing target with the specified name link. * - * @param String $target - * @param String $link - * @return Boolean + * @param string $target + * @param string $link + * @return bool * @access public */ function symlink($target, $link) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } - $target = $this->_realpath($target); + //$target = $this->_realpath($target); $link = $this->_realpath($link); $packet = pack('Na*Na*', strlen($target), $target, strlen($link), $link); @@ -1642,13 +1663,13 @@ class Net_SFTP extends Net_SSH2 /** * Creates a directory. * - * @param String $dir - * @return Boolean + * @param string $dir + * @return bool * @access public */ function mkdir($dir, $mode = -1, $recursive = false) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1677,8 +1698,8 @@ class Net_SFTP extends Net_SSH2 /** * Helper function for directory creation * - * @param String $dir - * @return Boolean + * @param string $dir + * @return bool * @access private */ function _mkdir_helper($dir, $attr) @@ -1705,13 +1726,13 @@ class Net_SFTP extends Net_SSH2 /** * Removes a directory. * - * @param String $dir - * @return Boolean + * @param string $dir + * @return bool * @access public */ function rmdir($dir) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1749,48 +1770,51 @@ class Net_SFTP extends Net_SSH2 /** * Uploads a file to the SFTP server. * - * By default, Net_SFTP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. - * So, for example, if you set $data to 'filename.ext' and then do Net_SFTP::get(), you will get a file, twelve bytes + * By default, \phpseclib\Net\SFTP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. + * So, for example, if you set $data to 'filename.ext' and then do \phpseclib\Net\SFTP::get(), you will get a file, twelve bytes * long, containing 'filename.ext' as its contents. * - * Setting $mode to NET_SFTP_LOCAL_FILE will change the above behavior. With NET_SFTP_LOCAL_FILE, $remote_file will + * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior. With self::SOURCE_LOCAL_FILE, $remote_file will * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how * large $remote_file will be, as well. * + * Setting $mode to self::SOURCE_CALLBACK will use $data as callback function, which gets only one parameter -- number of bytes to return, and returns a string if there is some data or null if there is no more data + * * If $data is a resource then it'll be used as a resource instead. * * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take * care of that, yourself. * - * $mode can take an additional two parameters - NET_SFTP_RESUME and NET_SFTP_RESUME_START. These are bitwise AND'd with + * $mode can take an additional two parameters - self::RESUME and self::RESUME_START. These are bitwise AND'd with * $mode. So if you want to resume upload of a 300mb file on the local file system you'd set $mode to the following: * - * NET_SFTP_LOCAL_FILE | NET_SFTP_RESUME + * self::SOURCE_LOCAL_FILE | self::RESUME * * If you wanted to simply append the full contents of a local file to the full contents of a remote file you'd replace - * NET_SFTP_RESUME with NET_SFTP_RESUME_START. + * self::RESUME with self::RESUME_START. * - * If $mode & (NET_SFTP_RESUME | NET_SFTP_RESUME_START) then NET_SFTP_RESUME_START will be assumed. + * If $mode & (self::RESUME | self::RESUME_START) then self::RESUME_START will be assumed. * - * $start and $local_start give you more fine grained control over this process and take precident over NET_SFTP_RESUME - * when they're non-negative. ie. $start could let you write at the end of a file (like NET_SFTP_RESUME) or in the middle - * of one. $local_start could let you start your reading from the end of a file (like NET_SFTP_RESUME_START) or in the + * $start and $local_start give you more fine grained control over this process and take precident over self::RESUME + * when they're non-negative. ie. $start could let you write at the end of a file (like self::RESUME) or in the middle + * of one. $local_start could let you start your reading from the end of a file (like self::RESUME_START) or in the * middle of one. * - * Setting $local_start to > 0 or $mode | NET_SFTP_RESUME_START doesn't do anything unless $mode | NET_SFTP_LOCAL_FILE. + * Setting $local_start to > 0 or $mode | self::RESUME_START doesn't do anything unless $mode | self::SOURCE_LOCAL_FILE. * - * @param String $remote_file - * @param String|resource $data - * @param optional Integer $mode - * @param optional Integer $start - * @param optional Integer $local_start - * @return Boolean + * @param string $remote_file + * @param string|resource $data + * @param int $mode + * @param int $start + * @param int $local_start + * @param callable|null $progressCallback + * @return bool * @access public - * @internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - Net_SFTP::setMode(). + * @internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - \phpseclib\Net\SFTP::setMode(). */ - function put($remote_file, $data, $mode = NET_SFTP_STRING, $start = -1, $local_start = -1) + function put($remote_file, $data, $mode = self::SOURCE_STRING, $start = -1, $local_start = -1, $progressCallback = null) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -1804,11 +1828,11 @@ class Net_SFTP extends Net_SSH2 $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE; // according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file." // in practice, it doesn't seem to do that. - //$flags|= ($mode & NET_SFTP_RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE; + //$flags|= ($mode & self::RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE; if ($start >= 0) { $offset = $start; - } elseif ($mode & NET_SFTP_RESUME) { + } elseif ($mode & self::RESUME) { // if NET_SFTP_OPEN_APPEND worked as it should _size() wouldn't need to be called $size = $this->size($remote_file); $offset = $size !== false ? $size : 0; @@ -1836,12 +1860,20 @@ class Net_SFTP extends Net_SSH2 } // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3 + $dataCallback = false; switch (true) { + case $mode & self::SOURCE_CALLBACK: + if (!is_callable($data)) { + user_error("\$data should be is_callable() if you specify SOURCE_CALLBACK flag"); + } + $dataCallback = $data; + // do nothing + break; case is_resource($data): - $mode = $mode & ~NET_SFTP_LOCAL_FILE; + $mode = $mode & ~self::SOURCE_LOCAL_FILE; $fp = $data; break; - case $mode & NET_SFTP_LOCAL_FILE: + case $mode & self::SOURCE_LOCAL_FILE: if (!is_file($data)) { user_error("$data is not a valid file"); return false; @@ -1858,11 +1890,10 @@ class Net_SFTP extends Net_SSH2 if ($local_start >= 0) { fseek($fp, $local_start); - } elseif ($mode & NET_SFTP_RESUME_START) { - // do nothing - } else { - fseek($fp, $offset); + $size-= $local_start; } + } elseif ($dataCallback) { + $size = 0; } else { $size = strlen($data); } @@ -1874,17 +1905,31 @@ class Net_SFTP extends Net_SSH2 // make the SFTP packet be exactly 4096 bytes by including the bytes in the NET_SFTP_WRITE packets "header" $sftp_packet_size-= strlen($handle) + 25; $i = 0; - while ($sent < $size) { - $temp = isset($fp) ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size); + while ($dataCallback || ($size === 0 || $sent < $size)) { + if ($dataCallback) { + $temp = call_user_func($dataCallback, $sftp_packet_size); + if (is_null($temp)) { + break; + } + } else { + $temp = isset($fp) ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size); + if ($temp === false || $temp === '') { + break; + } + } + $subtemp = $offset + $sent; $packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 4294967296, $subtemp, strlen($temp), $temp); if (!$this->_send_sftp_packet(NET_SFTP_WRITE, $packet)) { - if ($mode & NET_SFTP_LOCAL_FILE) { + if ($mode & self::SOURCE_LOCAL_FILE) { fclose($fp); } return false; } $sent+= strlen($temp); + if (is_callable($progressCallback)) { + call_user_func($progressCallback, $sent); + } $i++; @@ -1898,14 +1943,14 @@ class Net_SFTP extends Net_SSH2 } if (!$this->_read_put_responses($i)) { - if ($mode & NET_SFTP_LOCAL_FILE) { + if ($mode & self::SOURCE_LOCAL_FILE) { fclose($fp); } $this->_close_handle($handle); return false; } - if ($mode & NET_SFTP_LOCAL_FILE) { + if ($mode & self::SOURCE_LOCAL_FILE) { fclose($fp); } @@ -1918,8 +1963,8 @@ class Net_SFTP extends Net_SSH2 * Sending an SSH_FXP_WRITE packet and immediately reading its response isn't as efficient as blindly sending out $i * SSH_FXP_WRITEs, in succession, and then reading $i responses. * - * @param Integer $i - * @return Boolean + * @param int $i + * @return bool * @access private */ function _read_put_responses($i) @@ -1944,8 +1989,8 @@ class Net_SFTP extends Net_SSH2 /** * Close handle * - * @param String $handle - * @return Boolean + * @param string $handle + * @return bool * @access private */ function _close_handle($handle) @@ -1980,16 +2025,16 @@ class Net_SFTP extends Net_SSH2 * * $offset and $length can be used to download files in chunks. * - * @param String $remote_file - * @param optional String $local_file - * @param optional Integer $offset - * @param optional Integer $length - * @return Mixed + * @param string $remote_file + * @param string $local_file + * @param int $offset + * @param int $length + * @return mixed * @access public */ function get($remote_file, $local_file = false, $offset = 0, $length = -1) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -2035,40 +2080,68 @@ class Net_SFTP extends Net_SSH2 $fclose_check = $local_file !== false && !is_resource($local_file); $start = $offset; - $size = $this->max_sftp_packet < $length || $length < 0 ? $this->max_sftp_packet : $length; + $read = 0; while (true) { - $packet = pack('Na*N3', strlen($handle), $handle, $offset / 4294967296, $offset, $size); - if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) { - if ($fclose_check) { - fclose($fp); - } - return false; - } + $i = 0; - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_DATA: - $temp = substr($response, 4); - $offset+= strlen($temp); - if ($local_file === false) { - $content.= $temp; - } else { - fputs($fp, $temp); - } - break; - case NET_SFTP_STATUS: - // could, in theory, return false if !strlen($content) but we'll hold off for the time being - $this->_logError($response); - break 2; - default: - user_error('Expected SSH_FXP_DATA or SSH_FXP_STATUS'); + while ($i < NET_SFTP_QUEUE_SIZE && ($length < 0 || $read < $length)) { + $tempoffset = $start + $read; + + $packet_size = $length > 0 ? min($this->max_sftp_packet, $length - $read) : $this->max_sftp_packet; + + $packet = pack('Na*N3', strlen($handle), $handle, $tempoffset / 4294967296, $tempoffset, $packet_size); + if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) { if ($fclose_check) { fclose($fp); } return false; + } + $packet = null; + $read+= $packet_size; + $i++; } - if ($length > 0 && $length <= $offset - $start) { + if (!$i) { + break; + } + + $clear_responses = false; + while ($i > 0) { + $i--; + + if ($clear_responses) { + $this->_get_sftp_packet(); + continue; + } else { + $response = $this->_get_sftp_packet(); + } + + switch ($this->packet_type) { + case NET_SFTP_DATA: + $temp = substr($response, 4); + $offset+= strlen($temp); + if ($local_file === false) { + $content.= $temp; + } else { + fputs($fp, $temp); + } + $temp = null; + break; + case NET_SFTP_STATUS: + // could, in theory, return false if !strlen($content) but we'll hold off for the time being + $this->_logError($response); + $clear_responses = true; // don't break out of the loop yet, so we can read the remaining responses + break; + default: + if ($fclose_check) { + fclose($fp); + } + user_error('Expected SSH_FX_DATA or SSH_FXP_STATUS'); + } + $response = null; + } + + if ($clear_responses) { break; } } @@ -2096,14 +2169,14 @@ class Net_SFTP extends Net_SSH2 /** * Deletes a file on the SFTP server. * - * @param String $path - * @param Boolean $recursive - * @return Boolean + * @param string $path + * @param bool $recursive + * @return bool * @access public */ function delete($path, $recursive = true) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -2146,9 +2219,9 @@ class Net_SFTP extends Net_SSH2 * * Minimizes directory lookups and SSH_FXP_STATUS requests for speed. * - * @param String $path - * @param Integer $i - * @return Boolean + * @param string $path + * @param int $i + * @return bool * @access private */ function _delete_recursive($path, &$i) @@ -2166,7 +2239,7 @@ class Net_SFTP extends Net_SSH2 } unset($entries['.'], $entries['..']); - foreach ($entries as $filename=>$props) { + foreach ($entries as $filename => $props) { if (!isset($props['type'])) { return false; } @@ -2180,6 +2253,7 @@ class Net_SFTP extends Net_SSH2 if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($temp), $temp))) { return false; } + $this->_remove_from_stat_cache($temp); $i++; @@ -2190,12 +2264,12 @@ class Net_SFTP extends Net_SSH2 $i = 0; } } - $this->_remove_from_stat_cache($path); } if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($path), $path))) { return false; } + $this->_remove_from_stat_cache($path); $i++; @@ -2212,8 +2286,8 @@ class Net_SFTP extends Net_SSH2 /** * Checks whether a file or directory exists * - * @param String $path - * @return Boolean + * @param string $path + * @return bool * @access public */ function file_exists($path) @@ -2235,8 +2309,8 @@ class Net_SFTP extends Net_SSH2 /** * Tells whether the filename is a directory * - * @param String $path - * @return Boolean + * @param string $path + * @return bool * @access public */ function is_dir($path) @@ -2251,8 +2325,8 @@ class Net_SFTP extends Net_SSH2 /** * Tells whether the filename is a regular file * - * @param String $path - * @return Boolean + * @param string $path + * @return bool * @access public */ function is_file($path) @@ -2267,24 +2341,94 @@ class Net_SFTP extends Net_SSH2 /** * Tells whether the filename is a symbolic link * - * @param String $path - * @return Boolean + * @param string $path + * @return bool * @access public */ function is_link($path) { - $result = $this->_get_stat_cache_prop($path, 'type'); + $result = $this->_get_lstat_cache_prop($path, 'type'); if ($result === false) { return false; } return $result === NET_SFTP_TYPE_SYMLINK; } + /** + * Tells whether a file exists and is readable + * + * @param string $path + * @return bool + * @access public + */ + function is_readable($path) + { + $path = $this->_realpath($path); + + $packet = pack('Na*N2', strlen($path), $path, NET_SFTP_OPEN_READ, 0); + if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { + return false; + } + + $response = $this->_get_sftp_packet(); + switch ($this->packet_type) { + case NET_SFTP_HANDLE: + return true; + case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED + return false; + default: + user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); + return false; + } + } + + /** + * Tells whether the filename is writable + * + * @param string $path + * @return bool + * @access public + */ + function is_writable($path) + { + $path = $this->_realpath($path); + + $packet = pack('Na*N2', strlen($path), $path, NET_SFTP_OPEN_WRITE, 0); + if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { + return false; + } + + $response = $this->_get_sftp_packet(); + switch ($this->packet_type) { + case NET_SFTP_HANDLE: + return true; + case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED + return false; + default: + user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); + return false; + } + } + + /** + * Tells whether the filename is writeable + * + * Alias of is_writable + * + * @param string $path + * @return bool + * @access public + */ + function is_writeable($path) + { + return $this->is_writable($path); + } + /** * Gets last access time of file * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function fileatime($path) @@ -2295,8 +2439,8 @@ class Net_SFTP extends Net_SSH2 /** * Gets file modification time * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function filemtime($path) @@ -2307,8 +2451,8 @@ class Net_SFTP extends Net_SSH2 /** * Gets file permissions * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function fileperms($path) @@ -2319,8 +2463,8 @@ class Net_SFTP extends Net_SSH2 /** * Gets file owner * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function fileowner($path) @@ -2331,8 +2475,8 @@ class Net_SFTP extends Net_SSH2 /** * Gets file group * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function filegroup($path) @@ -2343,8 +2487,8 @@ class Net_SFTP extends Net_SSH2 /** * Gets file size * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function filesize($path) @@ -2355,8 +2499,8 @@ class Net_SFTP extends Net_SSH2 /** * Gets file type * - * @param String $path - * @return Mixed + * @param string $path + * @return mixed * @access public */ function filetype($path) @@ -2367,13 +2511,20 @@ class Net_SFTP extends Net_SSH2 } switch ($type) { - case NET_SFTP_TYPE_BLOCK_DEVICE: return 'block'; - case NET_SFTP_TYPE_CHAR_DEVICE: return 'char'; - case NET_SFTP_TYPE_DIRECTORY: return 'dir'; - case NET_SFTP_TYPE_FIFO: return 'fifo'; - case NET_SFTP_TYPE_REGULAR: return 'file'; - case NET_SFTP_TYPE_SYMLINK: return 'link'; - default: return false; + case NET_SFTP_TYPE_BLOCK_DEVICE: + return 'block'; + case NET_SFTP_TYPE_CHAR_DEVICE: + return 'char'; + case NET_SFTP_TYPE_DIRECTORY: + return 'dir'; + case NET_SFTP_TYPE_FIFO: + return 'fifo'; + case NET_SFTP_TYPE_REGULAR: + return 'file'; + case NET_SFTP_TYPE_SYMLINK: + return 'link'; + default: + return false; } } @@ -2382,24 +2533,54 @@ class Net_SFTP extends Net_SSH2 * * Uses cache if appropriate. * - * @param String $path - * @param String $prop - * @return Mixed + * @param string $path + * @param string $prop + * @return mixed * @access private */ function _get_stat_cache_prop($path, $prop) + { + return $this->_get_xstat_cache_prop($path, $prop, 'stat'); + } + + /** + * Return an lstat properity + * + * Uses cache if appropriate. + * + * @param string $path + * @param string $prop + * @return mixed + * @access private + */ + function _get_lstat_cache_prop($path, $prop) + { + return $this->_get_xstat_cache_prop($path, $prop, 'lstat'); + } + + /** + * Return a stat or lstat properity + * + * Uses cache if appropriate. + * + * @param string $path + * @param string $prop + * @return mixed + * @access private + */ + function _get_xstat_cache_prop($path, $prop, $type) { if ($this->use_stat_cache) { $path = $this->_realpath($path); $result = $this->_query_stat_cache($path); - if (is_object($result) && isset($result->$prop)) { - return $result->$prop; + if (is_object($result) && isset($result->$type)) { + return $result->{$type}[$prop]; } } - $result = $this->stat($path); + $result = $this->$type($path); if ($result === false || !isset($result[$prop])) { return false; @@ -2411,14 +2592,14 @@ class Net_SFTP extends Net_SSH2 /** * Renames a file or a directory on the SFTP server * - * @param String $oldname - * @param String $newname - * @return Boolean + * @param string $oldname + * @param string $newname + * @return bool * @access public */ function rename($oldname, $newname) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & SSH2::MASK_LOGIN)) { return false; } @@ -2461,8 +2642,8 @@ class Net_SFTP extends Net_SSH2 * * See '7. File Attributes' of draft-ietf-secsh-filexfer-13 for more info. * - * @param String $response - * @return Array + * @param string $response + * @return array * @access private */ function _parseAttributes(&$response) @@ -2515,8 +2696,8 @@ class Net_SFTP extends Net_SSH2 * * Quoting the SFTP RFC, "Implementations MUST NOT send bits that are not defined" but they seem to anyway * - * @param Integer $mode - * @return Integer + * @param int $mode + * @return int * @access private */ function _parseMode($mode) @@ -2562,8 +2743,8 @@ class Net_SFTP extends Net_SSH2 * * If the longname is in an unrecognized format bool(false) is returned. * - * @param String $longname - * @return Mixed + * @param string $longname + * @return mixed * @access private */ function _parseLongname($longname) @@ -2591,11 +2772,11 @@ class Net_SFTP extends Net_SSH2 * * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info. * - * @param Integer $type - * @param String $data - * @see Net_SFTP::_get_sftp_packet() - * @see Net_SSH2::_send_channel_packet() - * @return Boolean + * @param int $type + * @param string $data + * @see self::_get_sftp_packet() + * @see self::_send_channel_packet() + * @return bool * @access private */ function _send_sftp_packet($type, $data) @@ -2605,7 +2786,7 @@ class Net_SFTP extends Net_SSH2 pack('NCa*', strlen($data) + 1, $type, $data); $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $result = $this->_send_channel_packet(NET_SFTP_CHANNEL, $packet); + $result = $this->_send_channel_packet(self::CHANNEL, $packet); $stop = strtok(microtime(), ' ') + strtok(''); if (defined('NET_SFTP_LOGGING')) { @@ -2635,8 +2816,8 @@ class Net_SFTP extends Net_SSH2 * There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA * messages containing one SFTP packet. * - * @see Net_SFTP::_send_sftp_packet() - * @return String + * @see self::_send_sftp_packet() + * @return string * @access private */ function _get_sftp_packet() @@ -2647,7 +2828,7 @@ class Net_SFTP extends Net_SSH2 // SFTP packet length while (strlen($this->packet_buffer) < 4) { - $temp = $this->_get_channel_packet(NET_SFTP_CHANNEL); + $temp = $this->_get_channel_packet(self::CHANNEL); if (is_bool($temp)) { $this->packet_type = false; $this->packet_buffer = ''; @@ -2661,7 +2842,7 @@ class Net_SFTP extends Net_SSH2 // SFTP packet type and data payload while ($tempLength > 0) { - $temp = $this->_get_channel_packet(NET_SFTP_CHANNEL); + $temp = $this->_get_channel_packet(self::CHANNEL); if (is_bool($temp)) { $this->packet_type = false; $this->packet_buffer = ''; @@ -2708,7 +2889,7 @@ class Net_SFTP extends Net_SSH2 * Returns a string if NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX, an array if NET_SFTP_LOGGING == NET_SFTP_LOG_SIMPLE and false if !defined('NET_SFTP_LOGGING') * * @access public - * @return String or Array + * @return string or Array */ function getSFTPLog() { @@ -2729,7 +2910,7 @@ class Net_SFTP extends Net_SSH2 /** * Returns all errors * - * @return String + * @return string * @access public */ function getSFTPErrors() @@ -2740,7 +2921,7 @@ class Net_SFTP extends Net_SSH2 /** * Returns the last error * - * @return String + * @return string * @access public */ function getLastSFTPError() @@ -2751,7 +2932,7 @@ class Net_SFTP extends Net_SSH2 /** * Get supported SFTP versions * - * @return Array + * @return array * @access public */ function getSupportedVersions() @@ -2766,8 +2947,8 @@ class Net_SFTP extends Net_SSH2 /** * Disconnect * - * @param Integer $reason - * @return Boolean + * @param int $reason + * @return bool * @access private */ function _disconnect($reason) diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP/Stream.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP/Stream.php index eda1cdbab..08d726ca8 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP/Stream.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SFTP/Stream.php @@ -7,54 +7,41 @@ * * PHP version 5 * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Net - * @package Net_SFTP_Stream + * @package SFTP * @author Jim Wigginton * @copyright 2013 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ +namespace phpseclib\Net\SFTP; + +use phpseclib\Crypt\RSA; +use phpseclib\Net\SFTP; + /** * SFTP Stream Wrapper * - * @package Net_SFTP_Stream + * @package SFTP * @author Jim Wigginton * @access public */ -class Net_SFTP_Stream +class Stream { /** * SFTP instances * * Rather than re-create the connection we re-use instances if possible * - * @var Array + * @var array */ static $instances; /** * SFTP instance * - * @var Object + * @var object * @access private */ var $sftp; @@ -62,7 +49,7 @@ class Net_SFTP_Stream /** * Path * - * @var String + * @var string * @access private */ var $path; @@ -70,7 +57,7 @@ class Net_SFTP_Stream /** * Mode * - * @var String + * @var string * @access private */ var $mode; @@ -78,7 +65,7 @@ class Net_SFTP_Stream /** * Position * - * @var Integer + * @var int * @access private */ var $pos; @@ -86,7 +73,7 @@ class Net_SFTP_Stream /** * Size * - * @var Integer + * @var int * @access private */ var $size; @@ -94,7 +81,7 @@ class Net_SFTP_Stream /** * Directory entries * - * @var Array + * @var array * @access private */ var $entries; @@ -102,7 +89,7 @@ class Net_SFTP_Stream /** * EOF flag * - * @var Boolean + * @var bool * @access private */ var $eof; @@ -112,7 +99,7 @@ class Net_SFTP_Stream * * Technically this needs to be publically accessible so PHP can set it directly * - * @var Resource + * @var resource * @access public */ var $context; @@ -120,7 +107,7 @@ class Net_SFTP_Stream /** * Notification callback function * - * @var Callable + * @var callable * @access public */ var $notification; @@ -128,8 +115,8 @@ class Net_SFTP_Stream /** * Registers this class as a URL wrapper. * - * @param optional String $protocol The wrapper name to be registered. - * @return Boolean True on success, false otherwise. + * @param string $protocol The wrapper name to be registered. + * @return bool True on success, false otherwise. * @access public */ static function register($protocol = 'sftp') @@ -137,8 +124,7 @@ class Net_SFTP_Stream if (in_array($protocol, stream_get_wrappers(), true)) { return false; } - $class = function_exists('get_called_class') ? get_called_class() : __CLASS__; - return stream_wrapper_register($protocol, $class); + return stream_wrapper_register($protocol, get_called_class()); } /** @@ -146,15 +132,11 @@ class Net_SFTP_Stream * * @access public */ - function Net_SFTP_Stream() + function __construct() { if (defined('NET_SFTP_STREAM_LOGGING')) { echo "__construct()\r\n"; } - - if (!class_exists('Net_SFTP')) { - include_once 'Net/SFTP.php'; - } } /** @@ -165,13 +147,24 @@ class Net_SFTP_Stream * If "notification" is set as a context parameter the message code for successful login is * NET_SSH2_MSG_USERAUTH_SUCCESS. For a failed login it's NET_SSH2_MSG_USERAUTH_FAILURE. * - * @param String $path - * @return String + * @param string $path + * @return string * @access private */ function _parse_path($path) { + $orig = $path; extract(parse_url($path) + array('port' => 22)); + if (isset($query)) { + $path.= '?' . $query; + } elseif (preg_match('/(\?|\?#)$/', $orig)) { + $path.= '?'; + } + if (isset($fragment)) { + $path.= '#' . $fragment; + } elseif ($orig[strlen($orig) - 1] == '#') { + $path.= '#'; + } if (!isset($host)) { return false; @@ -187,7 +180,7 @@ class Net_SFTP_Stream if ($host[0] == '$') { $host = substr($host, 1); global $$host; - if (!is_object($$host) || get_class($$host) != 'Net_SFTP') { + if (($$host instanceof SFTP) === false) { return false; } $this->sftp = $$host; @@ -201,7 +194,7 @@ class Net_SFTP_Stream if (isset($context[$scheme]['sftp'])) { $sftp = $context[$scheme]['sftp']; } - if (isset($sftp) && is_object($sftp) && get_class($sftp) == 'Net_SFTP') { + if (isset($sftp) && $sftp instanceof SFTP) { $this->sftp = $sftp; return $path; } @@ -211,7 +204,7 @@ class Net_SFTP_Stream if (isset($context[$scheme]['password'])) { $pass = $context[$scheme]['password']; } - if (isset($context[$scheme]['privkey']) && is_object($context[$scheme]['privkey']) && get_Class($context[$scheme]['privkey']) == 'Crypt_RSA') { + if (isset($context[$scheme]['privkey']) && $context[$scheme]['privkey'] instanceof RSA) { $pass = $context[$scheme]['privkey']; } @@ -219,11 +212,11 @@ class Net_SFTP_Stream return false; } - // casting $pass to a string is necessary in the event that it's a Crypt_RSA object + // casting $pass to a string is necessary in the event that it's a \phpseclib\Crypt\RSA object if (isset(self::$instances[$host][$port][$user][(string) $pass])) { $this->sftp = self::$instances[$host][$port][$user][(string) $pass]; } else { - $this->sftp = new Net_SFTP($host, $port); + $this->sftp = new SFTP($host, $port); $this->sftp->disableStatCache(); if (isset($this->notification) && is_callable($this->notification)) { /* if !is_callable($this->notification) we could do this: @@ -257,11 +250,11 @@ class Net_SFTP_Stream /** * Opens file or URL * - * @param String $path - * @param String $mode - * @param Integer $options - * @param String $opened_path - * @return Boolean + * @param string $path + * @param string $mode + * @param int $options + * @param string $opened_path + * @return bool * @access public */ function _stream_open($path, $mode, $options, &$opened_path) @@ -280,14 +273,17 @@ class Net_SFTP_Stream if ($this->size === false) { if ($this->mode[0] == 'r') { return false; + } else { + $this->sftp->touch($path); + $this->size = 0; } } else { switch ($this->mode[0]) { case 'x': return false; case 'w': - case 'c': $this->sftp->truncate($path, 0); + $this->size = 0; } } @@ -299,8 +295,8 @@ class Net_SFTP_Stream /** * Read from stream * - * @param Integer $count - * @return Mixed + * @param int $count + * @return mixed * @access public */ function _stream_read($count) @@ -341,8 +337,8 @@ class Net_SFTP_Stream /** * Write to stream * - * @param String $data - * @return Mixed + * @param string $data + * @return mixed * @access public */ function _stream_write($data) @@ -352,7 +348,7 @@ class Net_SFTP_Stream return false; } - $result = $this->sftp->put($this->path, $data, NET_SFTP_STRING, $this->pos); + $result = $this->sftp->put($this->path, $data, SFTP::SOURCE_STRING, $this->pos); if (isset($this->notification) && is_callable($this->notification)) { if (!$result) { call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0); @@ -376,7 +372,7 @@ class Net_SFTP_Stream /** * Retrieve the current position of a stream * - * @return Integer + * @return int * @access public */ function _stream_tell() @@ -394,7 +390,7 @@ class Net_SFTP_Stream * will return false. do fread($fp, 1) and feof() will then return true. do fseek($fp, 10) on ablank file and feof() * will return false. do fread($fp, 1) and feof() will then return true. * - * @return Boolean + * @return bool * @access public */ function _stream_eof() @@ -405,9 +401,9 @@ class Net_SFTP_Stream /** * Seeks to specific location in a stream * - * @param Integer $offset - * @param Integer $whence - * @return Boolean + * @param int $offset + * @param int $whence + * @return bool * @access public */ function _stream_seek($offset, $whence) @@ -433,10 +429,10 @@ class Net_SFTP_Stream /** * Change stream options * - * @param String $path - * @param Integer $option - * @param Mixed $var - * @return Boolean + * @param string $path + * @param int $option + * @param mixed $var + * @return bool * @access public */ function _stream_metadata($path, $option, $var) @@ -467,8 +463,8 @@ class Net_SFTP_Stream /** * Retrieve the underlaying resource * - * @param Integer $cast_as - * @return Resource + * @param int $cast_as + * @return resource * @access public */ function _stream_cast($cast_as) @@ -479,8 +475,8 @@ class Net_SFTP_Stream /** * Advisory file locking * - * @param Integer $operation - * @return Boolean + * @param int $operation + * @return bool * @access public */ function _stream_lock($operation) @@ -492,12 +488,12 @@ class Net_SFTP_Stream * Renames a file or directory * * Attempts to rename oldname to newname, moving it between directories if necessary. - * If newname exists, it will be overwritten. This is a departure from what Net_SFTP + * If newname exists, it will be overwritten. This is a departure from what \phpseclib\Net\SFTP * does. * - * @param String $path_from - * @param String $path_to - * @return Boolean + * @param string $path_from + * @param string $path_to + * @return bool * @access public */ function _rename($path_from, $path_to) @@ -511,7 +507,7 @@ class Net_SFTP_Stream $path_from = $this->_parse_path($path_from); $path_to = parse_url($path_to); - if ($path_from == false) { + if ($path_from === false) { return false; } @@ -547,9 +543,9 @@ class Net_SFTP_Stream * string longname * ATTRS attrs * - * @param String $path - * @param Integer $options - * @return Boolean + * @param string $path + * @param int $options + * @return bool * @access public */ function _dir_opendir($path, $options) @@ -566,7 +562,7 @@ class Net_SFTP_Stream /** * Read entry from directory handle * - * @return Mixed + * @return mixed * @access public */ function _dir_readdir() @@ -580,7 +576,7 @@ class Net_SFTP_Stream /** * Rewind directory handle * - * @return Boolean + * @return bool * @access public */ function _dir_rewinddir() @@ -592,7 +588,7 @@ class Net_SFTP_Stream /** * Close directory handle * - * @return Boolean + * @return bool * @access public */ function _dir_closedir() @@ -605,10 +601,10 @@ class Net_SFTP_Stream * * Only valid $options is STREAM_MKDIR_RECURSIVE * - * @param String $path - * @param Integer $mode - * @param Integer $options - * @return Boolean + * @param string $path + * @param int $mode + * @param int $options + * @return bool * @access public */ function _mkdir($path, $mode, $options) @@ -629,10 +625,10 @@ class Net_SFTP_Stream * STREAM_MKDIR_RECURSIVE is supposed to be set. Also, when I try it out with rmdir() I get 8 as * $options. What does 8 correspond to? * - * @param String $path - * @param Integer $mode - * @param Integer $options - * @return Boolean + * @param string $path + * @param int $mode + * @param int $options + * @return bool * @access public */ function _rmdir($path, $options) @@ -648,9 +644,9 @@ class Net_SFTP_Stream /** * Flushes the output * - * See . Always returns true because Net_SFTP doesn't cache stuff before writing + * See . Always returns true because \phpseclib\Net\SFTP doesn't cache stuff before writing * - * @return Boolean + * @return bool * @access public */ function _stream_flush() @@ -661,7 +657,7 @@ class Net_SFTP_Stream /** * Retrieve information about a file resource * - * @return Mixed + * @return mixed * @access public */ function _stream_stat() @@ -676,8 +672,8 @@ class Net_SFTP_Stream /** * Delete a file * - * @param String $path - * @return Boolean + * @param string $path + * @return bool * @access public */ function _unlink($path) @@ -693,13 +689,13 @@ class Net_SFTP_Stream /** * Retrieve information about a file * - * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of Net_SFTP_Stream is quiet by default + * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of \phpseclib\Net\SFTP\Stream is quiet by default * might be worthwhile to reconstruct bits 12-16 (ie. the file type) if mode doesn't have them but we'll * cross that bridge when and if it's reached * - * @param String $path - * @param Integer $flags - * @return Mixed + * @param string $path + * @param int $flags + * @return mixed * @access public */ function _url_stat($path, $flags) @@ -720,8 +716,8 @@ class Net_SFTP_Stream /** * Truncate stream * - * @param Integer $new_size - * @return Boolean + * @param int $new_size + * @return bool * @access public */ function _stream_truncate($new_size) @@ -740,12 +736,12 @@ class Net_SFTP_Stream * Change stream options * * STREAM_OPTION_WRITE_BUFFER isn't supported for the same reason stream_flush isn't. - * The other two aren't supported because of limitations in Net_SFTP. + * The other two aren't supported because of limitations in \phpseclib\Net\SFTP. * - * @param Integer $option - * @param Integer $arg1 - * @param Integer $arg2 - * @return Boolean + * @param int $option + * @param int $arg1 + * @param int $arg2 + * @return bool * @access public */ function _stream_set_option($option, $arg1, $arg2) @@ -772,9 +768,9 @@ class Net_SFTP_Stream * If NET_SFTP_STREAM_LOGGING is defined all calls will be output on the screen and then (regardless of whether or not * NET_SFTP_STREAM_LOGGING is enabled) the parameters will be passed through to the appropriate method. * - * @param String - * @param Array - * @return Mixed + * @param string + * @param array + * @return mixed * @access public */ function __call($name, $arguments) @@ -797,5 +793,3 @@ class Net_SFTP_Stream return call_user_func_array(array($this, $name), $arguments); } } - -Net_SFTP_Stream::register(); diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php index f1fae02ba..cc108a94f 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php @@ -3,14 +3,14 @@ /** * Pure-PHP implementation of SSHv1. * - * PHP versions 4 and 5 + * PHP version 5 * * Here's a short example of how to use this library: * * login('username', 'password')) { * exit('Login Failed'); * } @@ -22,9 +22,9 @@ * Here's another short example: * * login('username', 'password')) { * exit('Login Failed'); * } @@ -38,204 +38,193 @@ * More information on the SSHv1 specification can be found by reading * {@link http://www.snailbook.com/docs/protocol-1.5.txt protocol-1.5.txt}. * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Net - * @package Net_SSH1 + * @package SSH1 * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/**#@+ - * Encryption Methods - * - * @see Net_SSH1::getSupportedCiphers() - * @access public - */ -/** - * No encryption - * - * Not supported. - */ -define('NET_SSH1_CIPHER_NONE', 0); -/** - * IDEA in CFB mode - * - * Not supported. - */ -define('NET_SSH1_CIPHER_IDEA', 1); -/** - * DES in CBC mode - */ -define('NET_SSH1_CIPHER_DES', 2); -/** - * Triple-DES in CBC mode - * - * All implementations are required to support this - */ -define('NET_SSH1_CIPHER_3DES', 3); -/** - * TRI's Simple Stream encryption CBC - * - * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, does define it (see cipher.h), - * although it doesn't use it (see cipher.c) - */ -define('NET_SSH1_CIPHER_BROKEN_TSS', 4); -/** - * RC4 - * - * Not supported. - * - * @internal According to the SSH1 specs: - * - * "The first 16 bytes of the session key are used as the key for - * the server to client direction. The remaining 16 bytes are used - * as the key for the client to server direction. This gives - * independent 128-bit keys for each direction." - * - * This library currently only supports encryption when the same key is being used for both directions. This is - * because there's only one $crypto object. Two could be added ($encrypt and $decrypt, perhaps). - */ -define('NET_SSH1_CIPHER_RC4', 5); -/** - * Blowfish - * - * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, defines it (see cipher.h) and - * uses it (see cipher.c) - */ -define('NET_SSH1_CIPHER_BLOWFISH', 6); -/**#@-*/ +namespace phpseclib\Net; -/**#@+ - * Authentication Methods - * - * @see Net_SSH1::getSupportedAuthentications() - * @access public - */ -/** - * .rhosts or /etc/hosts.equiv - */ -define('NET_SSH1_AUTH_RHOSTS', 1); -/** - * pure RSA authentication - */ -define('NET_SSH1_AUTH_RSA', 2); -/** - * password authentication - * - * This is the only method that is supported by this library. - */ -define('NET_SSH1_AUTH_PASSWORD', 3); -/** - * .rhosts with RSA host authentication - */ -define('NET_SSH1_AUTH_RHOSTS_RSA', 4); -/**#@-*/ - -/**#@+ - * Terminal Modes - * - * @link http://3sp.com/content/developer/maverick-net/docs/Maverick.SSH.PseudoTerminalModesMembers.html - * @access private - */ -define('NET_SSH1_TTY_OP_END', 0); -/**#@-*/ - -/** - * The Response Type - * - * @see Net_SSH1::_get_binary_packet() - * @access private - */ -define('NET_SSH1_RESPONSE_TYPE', 1); - -/** - * The Response Data - * - * @see Net_SSH1::_get_binary_packet() - * @access private - */ -define('NET_SSH1_RESPONSE_DATA', 2); - -/**#@+ - * Execution Bitmap Masks - * - * @see Net_SSH1::bitmap - * @access private - */ -define('NET_SSH1_MASK_CONSTRUCTOR', 0x00000001); -define('NET_SSH1_MASK_CONNECTED', 0x00000002); -define('NET_SSH1_MASK_LOGIN', 0x00000004); -define('NET_SSH1_MASK_SHELL', 0x00000008); -/**#@-*/ - -/**#@+ - * @access public - * @see Net_SSH1::getLog() - */ -/** - * Returns the message numbers - */ -define('NET_SSH1_LOG_SIMPLE', 1); -/** - * Returns the message content - */ -define('NET_SSH1_LOG_COMPLEX', 2); -/** - * Outputs the content real-time - */ -define('NET_SSH1_LOG_REALTIME', 3); -/** - * Dumps the content real-time to a file - */ -define('NET_SSH1_LOG_REALTIME_FILE', 4); -/**#@-*/ - -/**#@+ - * @access public - * @see Net_SSH1::read() - */ -/** - * Returns when a string matching $expect exactly is found - */ -define('NET_SSH1_READ_SIMPLE', 1); -/** - * Returns when a string matching the regular expression $expect is found - */ -define('NET_SSH1_READ_REGEX', 2); -/**#@-*/ +use phpseclib\Crypt\DES; +use phpseclib\Crypt\Random; +use phpseclib\Crypt\TripleDES; +use phpseclib\Math\BigInteger; /** * Pure-PHP implementation of SSHv1. * - * @package Net_SSH1 + * @package SSH1 * @author Jim Wigginton * @access public */ -class Net_SSH1 +class SSH1 { + /**#@+ + * Encryption Methods + * + * @see \phpseclib\Net\SSH1::getSupportedCiphers() + * @access public + */ + /** + * No encryption + * + * Not supported. + */ + const CIPHER_NONE = 0; + /** + * IDEA in CFB mode + * + * Not supported. + */ + const CIPHER_IDEA = 1; + /** + * DES in CBC mode + */ + const CIPHER_DES = 2; + /** + * Triple-DES in CBC mode + * + * All implementations are required to support this + */ + const CIPHER_3DES = 3; + /** + * TRI's Simple Stream encryption CBC + * + * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, does define it (see cipher.h), + * although it doesn't use it (see cipher.c) + */ + const CIPHER_BROKEN_TSS = 4; + /** + * RC4 + * + * Not supported. + * + * @internal According to the SSH1 specs: + * + * "The first 16 bytes of the session key are used as the key for + * the server to client direction. The remaining 16 bytes are used + * as the key for the client to server direction. This gives + * independent 128-bit keys for each direction." + * + * This library currently only supports encryption when the same key is being used for both directions. This is + * because there's only one $crypto object. Two could be added ($encrypt and $decrypt, perhaps). + */ + const CIPHER_RC4 = 5; + /** + * Blowfish + * + * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, defines it (see cipher.h) and + * uses it (see cipher.c) + */ + const CIPHER_BLOWFISH = 6; + /**#@-*/ + + /**#@+ + * Authentication Methods + * + * @see \phpseclib\Net\SSH1::getSupportedAuthentications() + * @access public + */ + /** + * .rhosts or /etc/hosts.equiv + */ + const AUTH_RHOSTS = 1; + /** + * pure RSA authentication + */ + const AUTH_RSA = 2; + /** + * password authentication + * + * This is the only method that is supported by this library. + */ + const AUTH_PASSWORD = 3; + /** + * .rhosts with RSA host authentication + */ + const AUTH_RHOSTS_RSA = 4; + /**#@-*/ + + /**#@+ + * Terminal Modes + * + * @link http://3sp.com/content/developer/maverick-net/docs/Maverick.SSH.PseudoTerminalModesMembers.html + * @access private + */ + const TTY_OP_END = 0; + /**#@-*/ + + /** + * The Response Type + * + * @see \phpseclib\Net\SSH1::_get_binary_packet() + * @access private + */ + const RESPONSE_TYPE = 1; + + /** + * The Response Data + * + * @see \phpseclib\Net\SSH1::_get_binary_packet() + * @access private + */ + const RESPONSE_DATA = 2; + + /**#@+ + * Execution Bitmap Masks + * + * @see \phpseclib\Net\SSH1::bitmap + * @access private + */ + const MASK_CONSTRUCTOR = 0x00000001; + const MASK_CONNECTED = 0x00000002; + const MASK_LOGIN = 0x00000004; + const MASK_SHELL = 0x00000008; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Net\SSH1::getLog() + */ + /** + * Returns the message numbers + */ + const LOG_SIMPLE = 1; + /** + * Returns the message content + */ + const LOG_COMPLEX = 2; + /** + * Outputs the content real-time + */ + const LOG_REALTIME = 3; + /** + * Dumps the content real-time to a file + */ + const LOG_REALTIME_FILE = 4; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Net\SSH1::read() + */ + /** + * Returns when a string matching $expect exactly is found + */ + const READ_SIMPLE = 1; + /** + * Returns when a string matching the regular expression $expect is found + */ + const READ_REGEX = 2; + /**#@-*/ + /** * The SSH identifier * - * @var String + * @var string * @access private */ var $identifier = 'SSH-1.5-phpseclib'; @@ -243,7 +232,7 @@ class Net_SSH1 /** * The Socket Object * - * @var Object + * @var object * @access private */ var $fsock; @@ -251,7 +240,7 @@ class Net_SSH1 /** * The cryptography object * - * @var Object + * @var object * @access private */ var $crypto = false; @@ -262,7 +251,7 @@ class Net_SSH1 * The bits that are set represent functions that have been called already. This is used to determine * if a requisite function has been successfully executed. If not, an error should be thrown. * - * @var Integer + * @var int * @access private */ var $bitmap = 0; @@ -272,8 +261,8 @@ class Net_SSH1 * * Logged for debug purposes * - * @see Net_SSH1::getServerKeyPublicExponent() - * @var String + * @see self::getServerKeyPublicExponent() + * @var string * @access private */ var $server_key_public_exponent; @@ -283,8 +272,8 @@ class Net_SSH1 * * Logged for debug purposes * - * @see Net_SSH1::getServerKeyPublicModulus() - * @var String + * @see self::getServerKeyPublicModulus() + * @var string * @access private */ var $server_key_public_modulus; @@ -294,8 +283,8 @@ class Net_SSH1 * * Logged for debug purposes * - * @see Net_SSH1::getHostKeyPublicExponent() - * @var String + * @see self::getHostKeyPublicExponent() + * @var string * @access private */ var $host_key_public_exponent; @@ -305,8 +294,8 @@ class Net_SSH1 * * Logged for debug purposes * - * @see Net_SSH1::getHostKeyPublicModulus() - * @var String + * @see self::getHostKeyPublicModulus() + * @var string * @access private */ var $host_key_public_modulus; @@ -316,18 +305,18 @@ class Net_SSH1 * * Logged for debug purposes * - * @see Net_SSH1::getSupportedCiphers() - * @var Array + * @see self::getSupportedCiphers() + * @var array * @access private */ var $supported_ciphers = array( - NET_SSH1_CIPHER_NONE => 'No encryption', - NET_SSH1_CIPHER_IDEA => 'IDEA in CFB mode', - NET_SSH1_CIPHER_DES => 'DES in CBC mode', - NET_SSH1_CIPHER_3DES => 'Triple-DES in CBC mode', - NET_SSH1_CIPHER_BROKEN_TSS => 'TRI\'s Simple Stream encryption CBC', - NET_SSH1_CIPHER_RC4 => 'RC4', - NET_SSH1_CIPHER_BLOWFISH => 'Blowfish' + self::CIPHER_NONE => 'No encryption', + self::CIPHER_IDEA => 'IDEA in CFB mode', + self::CIPHER_DES => 'DES in CBC mode', + self::CIPHER_3DES => 'Triple-DES in CBC mode', + self::CIPHER_BROKEN_TSS => 'TRI\'s Simple Stream encryption CBC', + self::CIPHER_RC4 => 'RC4', + self::CIPHER_BLOWFISH => 'Blowfish' ); /** @@ -335,22 +324,22 @@ class Net_SSH1 * * Logged for debug purposes * - * @see Net_SSH1::getSupportedAuthentications() - * @var Array + * @see self::getSupportedAuthentications() + * @var array * @access private */ var $supported_authentications = array( - NET_SSH1_AUTH_RHOSTS => '.rhosts or /etc/hosts.equiv', - NET_SSH1_AUTH_RSA => 'pure RSA authentication', - NET_SSH1_AUTH_PASSWORD => 'password authentication', - NET_SSH1_AUTH_RHOSTS_RSA => '.rhosts with RSA host authentication' + self::AUTH_RHOSTS => '.rhosts or /etc/hosts.equiv', + self::AUTH_RSA => 'pure RSA authentication', + self::AUTH_PASSWORD => 'password authentication', + self::AUTH_RHOSTS_RSA => '.rhosts with RSA host authentication' ); /** * Server Identification * - * @see Net_SSH1::getServerIdentification() - * @var String + * @see self::getServerIdentification() + * @var string * @access private */ var $server_identification = ''; @@ -358,8 +347,8 @@ class Net_SSH1 /** * Protocol Flags * - * @see Net_SSH1::Net_SSH1() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $protocol_flags = array(); @@ -367,8 +356,8 @@ class Net_SSH1 /** * Protocol Flag Log * - * @see Net_SSH1::getLog() - * @var Array + * @see self::getLog() + * @var array * @access private */ var $protocol_flag_log = array(); @@ -376,8 +365,8 @@ class Net_SSH1 /** * Message Log * - * @see Net_SSH1::getLog() - * @var Array + * @see self::getLog() + * @var array * @access private */ var $message_log = array(); @@ -385,8 +374,8 @@ class Net_SSH1 /** * Real-time log file pointer * - * @see Net_SSH1::_append_log() - * @var Resource + * @see self::_append_log() + * @var resource * @access private */ var $realtime_log_file; @@ -394,8 +383,8 @@ class Net_SSH1 /** * Real-time log file size * - * @see Net_SSH1::_append_log() - * @var Integer + * @see self::_append_log() + * @var int * @access private */ var $realtime_log_size; @@ -403,8 +392,8 @@ class Net_SSH1 /** * Real-time log file wrap boolean * - * @see Net_SSH1::_append_log() - * @var Boolean + * @see self::_append_log() + * @var bool * @access private */ var $realtime_log_wrap; @@ -412,8 +401,8 @@ class Net_SSH1 /** * Interactive Buffer * - * @see Net_SSH1::read() - * @var Array + * @see self::read() + * @var array * @access private */ var $interactiveBuffer = ''; @@ -421,7 +410,7 @@ class Net_SSH1 /** * Timeout * - * @see Net_SSH1::setTimeout() + * @see self::setTimeout() * @access private */ var $timeout; @@ -429,7 +418,7 @@ class Net_SSH1 /** * Current Timeout * - * @see Net_SSH1::_get_channel_packet() + * @see self::_get_channel_packet() * @access private */ var $curTimeout; @@ -437,7 +426,7 @@ class Net_SSH1 /** * Log Boundary * - * @see Net_SSH1::_format_log + * @see self::_format_log() * @access private */ var $log_boundary = ':'; @@ -445,7 +434,7 @@ class Net_SSH1 /** * Log Long Width * - * @see Net_SSH1::_format_log + * @see self::_format_log() * @access private */ var $log_long_width = 65; @@ -453,7 +442,7 @@ class Net_SSH1 /** * Log Short Width * - * @see Net_SSH1::_format_log + * @see self::_format_log() * @access private */ var $log_short_width = 16; @@ -461,9 +450,9 @@ class Net_SSH1 /** * Hostname * - * @see Net_SSH1::Net_SSH1() - * @see Net_SSH1::_connect() - * @var String + * @see self::__construct() + * @see self::_connect() + * @var string * @access private */ var $host; @@ -471,9 +460,9 @@ class Net_SSH1 /** * Port Number * - * @see Net_SSH1::Net_SSH1() - * @see Net_SSH1::_connect() - * @var Integer + * @see self::__construct() + * @see self::_connect() + * @var int * @access private */ var $port; @@ -486,9 +475,9 @@ class Net_SSH1 * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be * 10 seconds. It is used by fsockopen() in that function. * - * @see Net_SSH1::Net_SSH1() - * @see Net_SSH1::_connect() - * @var Integer + * @see self::__construct() + * @see self::_connect() + * @var int * @access private */ var $connectionTimeout; @@ -496,9 +485,9 @@ class Net_SSH1 /** * Default cipher * - * @see Net_SSH1::Net_SSH1() - * @see Net_SSH1::_connect() - * @var Integer + * @see self::__construct() + * @see self::_connect() + * @var int * @access private */ var $cipher; @@ -508,28 +497,15 @@ class Net_SSH1 * * Connects to an SSHv1 server * - * @param String $host - * @param optional Integer $port - * @param optional Integer $timeout - * @param optional Integer $cipher - * @return Net_SSH1 + * @param string $host + * @param int $port + * @param int $timeout + * @param int $cipher + * @return \phpseclib\Net\SSH1 * @access public */ - function Net_SSH1($host, $port = 22, $timeout = 10, $cipher = NET_SSH1_CIPHER_3DES) + function __construct($host, $port = 22, $timeout = 10, $cipher = self::CIPHER_3DES) { - if (!class_exists('Math_BigInteger')) { - include_once 'Math/BigInteger.php'; - } - - // Include Crypt_Random - // the class_exists() will only be called if the crypt_random_string function hasn't been defined and - // will trigger a call to __autoload() if you're wanting to auto-load classes - // call function_exists() a second time to stop the include_once from being called outside - // of the auto loader - if (!function_exists('crypt_random_string') && !class_exists('Crypt_Random') && !function_exists('crypt_random_string')) { - include_once 'Crypt/Random.php'; - } - $this->protocol_flags = array( 1 => 'NET_SSH1_MSG_DISCONNECT', 2 => 'NET_SSH1_SMSG_PUBLIC_KEY', @@ -560,7 +536,7 @@ class Net_SSH1 /** * Connect to an SSHv1 server * - * @return Boolean + * @return bool * @access private */ function _connect() @@ -590,46 +566,46 @@ class Net_SSH1 fputs($this->fsock, $this->identifier."\r\n"); $response = $this->_get_binary_packet(); - if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_PUBLIC_KEY) { + if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_PUBLIC_KEY) { user_error('Expected SSH_SMSG_PUBLIC_KEY'); return false; } - $anti_spoofing_cookie = $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 8); + $anti_spoofing_cookie = $this->_string_shift($response[self::RESPONSE_DATA], 8); - $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4); + $this->_string_shift($response[self::RESPONSE_DATA], 4); - $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2)); - $server_key_public_exponent = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $server_key_public_exponent = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); $this->server_key_public_exponent = $server_key_public_exponent; - $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2)); - $server_key_public_modulus = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $server_key_public_modulus = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); $this->server_key_public_modulus = $server_key_public_modulus; - $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4); + $this->_string_shift($response[self::RESPONSE_DATA], 4); - $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2)); - $host_key_public_exponent = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $host_key_public_exponent = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); $this->host_key_public_exponent = $host_key_public_exponent; - $temp = unpack('nlen', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 2)); - $host_key_public_modulus = new Math_BigInteger($this->_string_shift($response[NET_SSH1_RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $host_key_public_modulus = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); $this->host_key_public_modulus = $host_key_public_modulus; - $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4); + $this->_string_shift($response[self::RESPONSE_DATA], 4); // get a list of the supported ciphers - extract(unpack('Nsupported_ciphers_mask', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4))); - foreach ($this->supported_ciphers as $mask=>$name) { + extract(unpack('Nsupported_ciphers_mask', $this->_string_shift($response[self::RESPONSE_DATA], 4))); + foreach ($this->supported_ciphers as $mask => $name) { if (($supported_ciphers_mask & (1 << $mask)) == 0) { unset($this->supported_ciphers[$mask]); } } // get a list of the supported authentications - extract(unpack('Nsupported_authentications_mask', $this->_string_shift($response[NET_SSH1_RESPONSE_DATA], 4))); - foreach ($this->supported_authentications as $mask=>$name) { + extract(unpack('Nsupported_authentications_mask', $this->_string_shift($response[self::RESPONSE_DATA], 4))); + foreach ($this->supported_authentications as $mask => $name) { if (($supported_authentications_mask & (1 << $mask)) == 0) { unset($this->supported_authentications[$mask]); } @@ -637,7 +613,7 @@ class Net_SSH1 $session_id = pack('H*', md5($host_key_public_modulus->toBytes() . $server_key_public_modulus->toBytes() . $anti_spoofing_cookie)); - $session_key = crypt_random_string(32); + $session_key = Random::string(32); $double_encrypted_session_key = $session_key ^ str_pad($session_id, 32, chr(0)); if ($server_key_public_modulus->compare($host_key_public_modulus) < 0) { @@ -672,7 +648,7 @@ class Net_SSH1 ); } - $cipher = isset($this->supported_ciphers[$this->cipher]) ? $this->cipher : NET_SSH1_CIPHER_3DES; + $cipher = isset($this->supported_ciphers[$this->cipher]) ? $this->cipher : self::CIPHER_3DES; $data = pack('C2a*na*N', NET_SSH1_CMSG_SESSION_KEY, $cipher, $anti_spoofing_cookie, 8 * strlen($double_encrypted_session_key), $double_encrypted_session_key, 0); if (!$this->_send_binary_packet($data)) { @@ -681,32 +657,23 @@ class Net_SSH1 } switch ($cipher) { - //case NET_SSH1_CIPHER_NONE: - // $this->crypto = new Crypt_Null(); + //case self::CIPHER_NONE: + // $this->crypto = new \phpseclib\Crypt\Null(); // break; - case NET_SSH1_CIPHER_DES: - if (!class_exists('Crypt_DES')) { - include_once 'Crypt/DES.php'; - } - $this->crypto = new Crypt_DES(); + case self::CIPHER_DES: + $this->crypto = new DES(); $this->crypto->disablePadding(); $this->crypto->enableContinuousBuffer(); $this->crypto->setKey(substr($session_key, 0, 8)); break; - case NET_SSH1_CIPHER_3DES: - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $this->crypto = new Crypt_TripleDES(CRYPT_DES_MODE_3CBC); + case self::CIPHER_3DES: + $this->crypto = new TripleDES(TripleDES::MODE_3CBC); $this->crypto->disablePadding(); $this->crypto->enableContinuousBuffer(); $this->crypto->setKey(substr($session_key, 0, 24)); break; - //case NET_SSH1_CIPHER_RC4: - // if (!class_exists('Crypt_RC4')) { - // include_once 'Crypt/RC4.php'; - // } - // $this->crypto = new Crypt_RC4(); + //case self::CIPHER_RC4: + // $this->crypto = new RC4(); // $this->crypto->enableContinuousBuffer(); // $this->crypto->setKey(substr($session_key, 0, 16)); // break; @@ -714,12 +681,12 @@ class Net_SSH1 $response = $this->_get_binary_packet(); - if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { + if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { user_error('Expected SSH_SMSG_SUCCESS'); return false; } - $this->bitmap = NET_SSH1_MASK_CONNECTED; + $this->bitmap = self::MASK_CONNECTED; return true; } @@ -727,21 +694,21 @@ class Net_SSH1 /** * Login * - * @param String $username - * @param optional String $password - * @return Boolean + * @param string $username + * @param string $password + * @return bool * @access public */ function login($username, $password = '') { - if (!($this->bitmap & NET_SSH1_MASK_CONSTRUCTOR)) { - $this->bitmap |= NET_SSH1_MASK_CONSTRUCTOR; + if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { + $this->bitmap |= self::MASK_CONSTRUCTOR; if (!$this->_connect()) { return false; } } - if (!($this->bitmap & NET_SSH1_MASK_CONNECTED)) { + if (!($this->bitmap & self::MASK_CONNECTED)) { return false; } @@ -757,10 +724,10 @@ class Net_SSH1 if ($response === true) { return false; } - if ($response[NET_SSH1_RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { - $this->bitmap |= NET_SSH1_MASK_LOGIN; + if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { + $this->bitmap |= self::MASK_LOGIN; return true; - } else if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_FAILURE) { + } elseif ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_FAILURE) { user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); return false; } @@ -773,7 +740,7 @@ class Net_SSH1 } // remove the username and password from the last logged packet - if (defined('NET_SSH1_LOGGING') && NET_SSH1_LOGGING == NET_SSH1_LOG_COMPLEX) { + if (defined('NET_SSH1_LOGGING') && NET_SSH1_LOGGING == self::LOG_COMPLEX) { $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen('password'), 'password'); $this->message_log[count($this->message_log) - 1] = $data; } @@ -783,10 +750,10 @@ class Net_SSH1 if ($response === true) { return false; } - if ($response[NET_SSH1_RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { - $this->bitmap |= NET_SSH1_MASK_LOGIN; + if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { + $this->bitmap |= self::MASK_LOGIN; return true; - } else if ($response[NET_SSH1_RESPONSE_TYPE] == NET_SSH1_SMSG_FAILURE) { + } elseif ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_FAILURE) { return false; } else { user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); @@ -800,7 +767,7 @@ class Net_SSH1 * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. * Setting $timeout to false or 0 will mean there is no timeout. * - * @param Mixed $timeout + * @param mixed $timeout */ function setTimeout($timeout) { @@ -817,19 +784,19 @@ class Net_SSH1 * {@link http://www.faqs.org/docs/bashman/bashref_65.html http://www.faqs.org/docs/bashman/bashref_65.html} * {@link http://www.faqs.org/docs/bashman/bashref_62.html http://www.faqs.org/docs/bashman/bashref_62.html} * - * To execute further commands, a new Net_SSH1 object will need to be created. + * To execute further commands, a new \phpseclib\Net\SSH1 object will need to be created. * * Returns false on failure and the output, otherwise. * - * @see Net_SSH1::interactiveRead() - * @see Net_SSH1::interactiveWrite() - * @param String $cmd + * @see self::interactiveRead() + * @see self::interactiveWrite() + * @param string $cmd * @return mixed * @access public */ function exec($cmd, $block = true) { - if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { user_error('Operation disallowed prior to login()'); return false; } @@ -850,9 +817,9 @@ class Net_SSH1 if ($response !== false) { do { - $output.= substr($response[NET_SSH1_RESPONSE_DATA], 4); + $output.= substr($response[self::RESPONSE_DATA], 4); $response = $this->_get_binary_packet(); - } while (is_array($response) && $response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_EXITSTATUS); + } while (is_array($response) && $response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_EXITSTATUS); } $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); @@ -862,7 +829,7 @@ class Net_SSH1 fclose($this->fsock); - // reset the execution bitmap - a new Net_SSH1 object needs to be created. + // reset the execution bitmap - a new \phpseclib\Net\SSH1 object needs to be created. $this->bitmap = 0; return $output; @@ -871,9 +838,9 @@ class Net_SSH1 /** * Creates an interactive shell * - * @see Net_SSH1::interactiveRead() - * @see Net_SSH1::interactiveWrite() - * @return Boolean + * @see self::interactiveRead() + * @see self::interactiveWrite() + * @return bool * @access private */ function _initShell() @@ -881,7 +848,7 @@ class Net_SSH1 // connect using the sample parameters in protocol-1.5.txt. // according to wikipedia.org's entry on text terminals, "the fundamental type of application running on a text // terminal is a command line interpreter or shell". thus, opening a terminal session to run the shell. - $data = pack('CNa*N4C', NET_SSH1_CMSG_REQUEST_PTY, strlen('vt100'), 'vt100', 24, 80, 0, 0, NET_SSH1_TTY_OP_END); + $data = pack('CNa*N4C', NET_SSH1_CMSG_REQUEST_PTY, strlen('vt100'), 'vt100', 24, 80, 0, 0, self::TTY_OP_END); if (!$this->_send_binary_packet($data)) { user_error('Error sending SSH_CMSG_REQUEST_PTY'); @@ -893,7 +860,7 @@ class Net_SSH1 if ($response === true) { return false; } - if ($response[NET_SSH1_RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { + if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { user_error('Expected SSH_SMSG_SUCCESS'); return false; } @@ -905,7 +872,7 @@ class Net_SSH1 return false; } - $this->bitmap |= NET_SSH1_MASK_SHELL; + $this->bitmap |= self::MASK_SHELL; //stream_set_blocking($this->fsock, 0); @@ -915,9 +882,9 @@ class Net_SSH1 /** * Inputs a command into an interactive shell. * - * @see Net_SSH1::interactiveWrite() - * @param String $cmd - * @return Boolean + * @see self::interactiveWrite() + * @param string $cmd + * @return bool * @access public */ function write($cmd) @@ -928,30 +895,30 @@ class Net_SSH1 /** * Returns the output of an interactive shell when there's a match for $expect * - * $expect can take the form of a string literal or, if $mode == NET_SSH1_READ_REGEX, + * $expect can take the form of a string literal or, if $mode == self::READ__REGEX, * a regular expression. * - * @see Net_SSH1::write() - * @param String $expect - * @param Integer $mode - * @return Boolean + * @see self::write() + * @param string $expect + * @param int $mode + * @return bool * @access public */ - function read($expect, $mode = NET_SSH1_READ_SIMPLE) + function read($expect, $mode = self::READ__SIMPLE) { - if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { user_error('Operation disallowed prior to login()'); return false; } - if (!($this->bitmap & NET_SSH1_MASK_SHELL) && !$this->_initShell()) { + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { user_error('Unable to initiate an interactive shell session'); return false; } $match = $expect; while (true) { - if ($mode == NET_SSH1_READ_REGEX) { + if ($mode == self::READ__REGEX) { preg_match($expect, $this->interactiveBuffer, $matches); $match = isset($matches[0]) ? $matches[0] : ''; } @@ -964,26 +931,26 @@ class Net_SSH1 if ($response === true) { return $this->_string_shift($this->interactiveBuffer, strlen($this->interactiveBuffer)); } - $this->interactiveBuffer.= substr($response[NET_SSH1_RESPONSE_DATA], 4); + $this->interactiveBuffer.= substr($response[self::RESPONSE_DATA], 4); } } /** * Inputs a command into an interactive shell. * - * @see Net_SSH1::interactiveRead() - * @param String $cmd - * @return Boolean + * @see self::interactiveRead() + * @param string $cmd + * @return bool * @access public */ function interactiveWrite($cmd) { - if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { user_error('Operation disallowed prior to login()'); return false; } - if (!($this->bitmap & NET_SSH1_MASK_SHELL) && !$this->_initShell()) { + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { user_error('Unable to initiate an interactive shell session'); return false; } @@ -1007,18 +974,18 @@ class Net_SSH1 * does not support ANSI escape sequences in Win32 Console applications", so if you're a Windows user, * there's not going to be much recourse. * - * @see Net_SSH1::interactiveRead() - * @return String + * @see self::interactiveRead() + * @return string * @access public */ function interactiveRead() { - if (!($this->bitmap & NET_SSH1_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { user_error('Operation disallowed prior to login()'); return false; } - if (!($this->bitmap & NET_SSH1_MASK_SHELL) && !$this->_initShell()) { + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { user_error('Unable to initiate an interactive shell session'); return false; } @@ -1027,7 +994,7 @@ class Net_SSH1 $write = $except = null; if (stream_select($read, $write, $except, 0)) { $response = $this->_get_binary_packet(); - return substr($response[NET_SSH1_RESPONSE_DATA], 4); + return substr($response[self::RESPONSE_DATA], 4); } else { return ''; } @@ -1059,7 +1026,7 @@ class Net_SSH1 /** * Disconnect * - * @param String $msg + * @param string $msg * @access private */ function _disconnect($msg = 'Client Quit') @@ -1070,9 +1037,9 @@ class Net_SSH1 /* $response = $this->_get_binary_packet(); if ($response === true) { - $response = array(NET_SSH1_RESPONSE_TYPE => -1); + $response = array(self::RESPONSE_TYPE => -1); } - switch ($response[NET_SSH1_RESPONSE_TYPE]) { + switch ($response[self::RESPONSE_TYPE]) { case NET_SSH1_SMSG_EXITSTATUS: $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); break; @@ -1096,8 +1063,8 @@ class Net_SSH1 * Also, this function could be improved upon by adding detection for the following exploit: * http://www.securiteam.com/securitynews/5LP042K3FY.html * - * @see Net_SSH1::_send_binary_packet() - * @return Array + * @see self::_send_binary_packet() + * @return array * @access private */ function _get_binary_packet() @@ -1162,8 +1129,8 @@ class Net_SSH1 } return array( - NET_SSH1_RESPONSE_TYPE => $type, - NET_SSH1_RESPONSE_DATA => $data + self::RESPONSE_TYPE => $type, + self::RESPONSE_DATA => $data ); } @@ -1172,9 +1139,9 @@ class Net_SSH1 * * Returns true on success, false on failure. * - * @see Net_SSH1::_get_binary_packet() - * @param String $data - * @return Boolean + * @see self::_get_binary_packet() + * @param string $data + * @return bool * @access private */ function _send_binary_packet($data) @@ -1186,7 +1153,7 @@ class Net_SSH1 $length = strlen($data) + 4; - $padding = crypt_random_string(8 - ($length & 7)); + $padding = Random::string(8 - ($length & 7)); $orig = $data; $data = $padding . $data; @@ -1219,10 +1186,10 @@ class Net_SSH1 * we've reimplemented it. A more detailed discussion of the differences can be found after * $crc_lookup_table's initialization. * - * @see Net_SSH1::_get_binary_packet() - * @see Net_SSH1::_send_binary_packet() - * @param String $data - * @return Integer + * @see self::_get_binary_packet() + * @see self::_send_binary_packet() + * @param string $data + * @return int * @access private */ function _crc($data) @@ -1299,7 +1266,7 @@ class Net_SSH1 $crc = 0x00000000; $length = strlen($data); - for ($i=0;$i<$length;$i++) { + for ($i=0; $i<$length; $i++) { // We AND $crc >> 8 with 0x00FFFFFF because we want the eight newly added bits to all // be zero. PHP, unfortunately, doesn't always do this. 0x80000000 >> 8, as an example, // yields 0xFF800000 - not 0x00800000. The following link elaborates: @@ -1317,9 +1284,9 @@ class Net_SSH1 * * Inspired by array_shift * - * @param String $string - * @param optional Integer $index - * @return String + * @param string $string + * @param int $index + * @return string * @access private */ function _string_shift(&$string, $index = 1) @@ -1336,22 +1303,18 @@ class Net_SSH1 * should be a number with the property that gcd($e, ($p - 1) * ($q - 1)) == 1. Could just make anything that * calls this call modexp, instead, but I think this makes things clearer, maybe... * - * @see Net_SSH1::Net_SSH1() - * @param Math_BigInteger $m - * @param Array $key - * @return Math_BigInteger + * @see self::__construct() + * @param BigInteger $m + * @param array $key + * @return BigInteger * @access private */ function _rsa_crypt($m, $key) { /* - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - - $rsa = new Crypt_RSA(); - $rsa->loadKey($key, CRYPT_RSA_PUBLIC_FORMAT_RAW); - $rsa->setEncryptionMode(CRYPT_RSA_ENCRYPTION_PKCS1); + $rsa = new RSA(); + $rsa->loadKey($key, RSA::PUBLIC_FORMAT_RAW); + $rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1); return $rsa->encrypt($m); */ @@ -1372,13 +1335,13 @@ class Net_SSH1 $length = strlen($modulus) - strlen($m) - 3; $random = ''; while (strlen($random) != $length) { - $block = crypt_random_string($length - strlen($random)); + $block = Random::string($length - strlen($random)); $block = str_replace("\x00", '', $block); $random.= $block; } $temp = chr(0) . chr(2) . $random . chr(0) . $m; - $m = new Math_BigInteger($temp, 256); + $m = new BigInteger($temp, 256); $m = $m->modPow($key[0], $key[1]); return $m->toBytes(); @@ -1391,14 +1354,14 @@ class Net_SSH1 * named constants from it, using the value as the name of the constant and the index as the value of the constant. * If any of the constants that would be defined already exists, none of the constants will be defined. * - * @param Array $array + * @param array $array * @access private */ function _define_array() { $args = func_get_args(); foreach ($args as $arg) { - foreach ($arg as $key=>$value) { + foreach ($arg as $key => $value) { if (!defined($value)) { define($value, $key); } else { @@ -1411,10 +1374,10 @@ class Net_SSH1 /** * Returns a log of the packets that have been sent and received. * - * Returns a string if NET_SSH1_LOGGING == NET_SSH1_LOG_COMPLEX, an array if NET_SSH1_LOGGING == NET_SSH1_LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING') + * Returns a string if NET_SSH1_LOGGING == self::LOG_COMPLEX, an array if NET_SSH1_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING') * * @access public - * @return String or Array + * @return array|false|string */ function getLog() { @@ -1423,10 +1386,10 @@ class Net_SSH1 } switch (NET_SSH1_LOGGING) { - case NET_SSH1_LOG_SIMPLE: + case self::LOG_SIMPLE: return $this->message_number_log; break; - case NET_SSH1_LOG_COMPLEX: + case self::LOG_COMPLEX: return $this->_format_log($this->message_log, $this->protocol_flags_log); break; default: @@ -1437,10 +1400,10 @@ class Net_SSH1 /** * Formats a log for printing * - * @param Array $message_log - * @param Array $message_number_log + * @param array $message_log + * @param array $message_number_log * @access private - * @return String + * @return string */ function _format_log($message_log, $message_number_log) { @@ -1473,9 +1436,9 @@ class Net_SSH1 * * For use with preg_replace_callback() * - * @param Array $matches + * @param array $matches * @access private - * @return String + * @return string */ function _format_log_helper($matches) { @@ -1488,8 +1451,8 @@ class Net_SSH1 * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, * the raw bytes. This behavior is similar to PHP's md5() function. * - * @param optional Boolean $raw_output - * @return String + * @param bool $raw_output + * @return string * @access public */ function getServerKeyPublicExponent($raw_output = false) @@ -1503,8 +1466,8 @@ class Net_SSH1 * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, * the raw bytes. This behavior is similar to PHP's md5() function. * - * @param optional Boolean $raw_output - * @return String + * @param bool $raw_output + * @return string * @access public */ function getServerKeyPublicModulus($raw_output = false) @@ -1518,8 +1481,8 @@ class Net_SSH1 * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, * the raw bytes. This behavior is similar to PHP's md5() function. * - * @param optional Boolean $raw_output - * @return String + * @param bool $raw_output + * @return string * @access public */ function getHostKeyPublicExponent($raw_output = false) @@ -1533,8 +1496,8 @@ class Net_SSH1 * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, * the raw bytes. This behavior is similar to PHP's md5() function. * - * @param optional Boolean $raw_output - * @return String + * @param bool $raw_output + * @return string * @access public */ function getHostKeyPublicModulus($raw_output = false) @@ -1547,10 +1510,10 @@ class Net_SSH1 * * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output * is set to true, returns, instead, an array of constants. ie. instead of array('Triple-DES in CBC mode'), you'll - * get array(NET_SSH1_CIPHER_3DES). + * get array(self::CIPHER_3DES). * - * @param optional Boolean $raw_output - * @return Array + * @param bool $raw_output + * @return array * @access public */ function getSupportedCiphers($raw_output = false) @@ -1563,10 +1526,10 @@ class Net_SSH1 * * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output * is set to true, returns, instead, an array of constants. ie. instead of array('password authentication'), you'll - * get array(NET_SSH1_AUTH_PASSWORD). + * get array(self::AUTH_PASSWORD). * - * @param optional Boolean $raw_output - * @return Array + * @param bool $raw_output + * @return array * @access public */ function getSupportedAuthentications($raw_output = false) @@ -1577,7 +1540,7 @@ class Net_SSH1 /** * Return the server identification. * - * @return String + * @return string * @access public */ function getServerIdentification() @@ -1590,23 +1553,23 @@ class Net_SSH1 * * Makes sure that only the last 1MB worth of packets will be logged * - * @param String $data + * @param string $data * @access private */ function _append_log($protocol_flags, $message) { switch (NET_SSH1_LOGGING) { // useful for benchmarks - case NET_SSH1_LOG_SIMPLE: + case self::LOG_SIMPLE: $this->protocol_flags_log[] = $protocol_flags; break; // the most useful log for SSH1 - case NET_SSH1_LOG_COMPLEX: + case self::LOG_COMPLEX: $this->protocol_flags_log[] = $protocol_flags; $this->_string_shift($message); $this->log_size+= strlen($message); $this->message_log[] = $message; - while ($this->log_size > NET_SSH1_LOG_MAX_SIZE) { + while ($this->log_size > self::LOG_MAX_SIZE) { $this->log_size-= strlen(array_shift($this->message_log)); array_shift($this->protocol_flags_log); } @@ -1614,19 +1577,19 @@ class Net_SSH1 // dump the output out realtime; packets may be interspersed with non packets, // passwords won't be filtered out and select other packets may not be correctly // identified - case NET_SSH1_LOG_REALTIME: + case self::LOG_REALTIME: echo "
\r\n" . $this->_format_log(array($message), array($protocol_flags)) . "\r\n
\r\n"; @flush(); @ob_flush(); break; - // basically the same thing as NET_SSH1_LOG_REALTIME with the caveat that NET_SSH1_LOG_REALTIME_FILE - // needs to be defined and that the resultant log file will be capped out at NET_SSH1_LOG_MAX_SIZE. + // basically the same thing as self::LOG_REALTIME with the caveat that self::LOG_REALTIME_FILE + // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily // at the beginning of the file - case NET_SSH1_LOG_REALTIME_FILE: + case self::LOG_REALTIME_FILE: if (!isset($this->realtime_log_file)) { // PHP doesn't seem to like using constants in fopen() - $filename = NET_SSH1_LOG_REALTIME_FILE; + $filename = self::LOG_REALTIME_FILE; $fp = fopen($filename, 'w'); $this->realtime_log_file = $fp; } @@ -1640,7 +1603,7 @@ class Net_SSH1 fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); } $this->realtime_log_size+= strlen($entry); - if ($this->realtime_log_size > NET_SSH1_LOG_MAX_SIZE) { + if ($this->realtime_log_size > self::LOG_MAX_SIZE) { fseek($this->realtime_log_file, 0); $this->realtime_log_size = strlen($entry); $this->realtime_log_wrap = true; diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH2.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH2.php index d61345622..115807550 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH2.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/Net/SSH2.php @@ -3,14 +3,14 @@ /** * Pure-PHP implementation of SSHv2. * - * PHP versions 4 and 5 + * PHP version 5 * * Here are some examples of how to use this library: * * login('username', 'password')) { * exit('Login Failed'); * } @@ -22,14 +22,13 @@ * * * setPassword('whatever'); * $key->loadKey(file_get_contents('privatekey')); * - * $ssh = new Net_SSH2('www.domain.tld'); + * $ssh = new \phpseclib\Net\SSH2('www.domain.tld'); * if (!$ssh->login('username', $key)) { * exit('Login Failed'); * } @@ -40,120 +39,117 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Net - * @package Net_SSH2 + * @package SSH2 * @author Jim Wigginton * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/**#@+ - * Execution Bitmap Masks - * - * @see Net_SSH2::bitmap - * @access private - */ -define('NET_SSH2_MASK_CONSTRUCTOR', 0x00000001); -define('NET_SSH2_MASK_CONNECTED', 0x00000002); -define('NET_SSH2_MASK_LOGIN_REQ', 0x00000004); -define('NET_SSH2_MASK_LOGIN', 0x00000008); -define('NET_SSH2_MASK_SHELL', 0x00000010); -define('NET_SSH2_MASK_WINDOW_ADJUST', 0x00000020); -/**#@-*/ +namespace phpseclib\Net; -/**#@+ - * Channel constants - * - * RFC4254 refers not to client and server channels but rather to sender and recipient channels. we don't refer - * to them in that way because RFC4254 toggles the meaning. the client sends a SSH_MSG_CHANNEL_OPEN message with - * a sender channel and the server sends a SSH_MSG_CHANNEL_OPEN_CONFIRMATION in response, with a sender and a - * recepient channel. at first glance, you might conclude that SSH_MSG_CHANNEL_OPEN_CONFIRMATION's sender channel - * would be the same thing as SSH_MSG_CHANNEL_OPEN's sender channel, but it's not, per this snipet: - * The 'recipient channel' is the channel number given in the original - * open request, and 'sender channel' is the channel number allocated by - * the other side. - * - * @see Net_SSH2::_send_channel_packet() - * @see Net_SSH2::_get_channel_packet() - * @access private - */ -define('NET_SSH2_CHANNEL_EXEC', 0); // PuTTy uses 0x100 -define('NET_SSH2_CHANNEL_SHELL', 1); -define('NET_SSH2_CHANNEL_SUBSYSTEM', 2); -/**#@-*/ - -/**#@+ - * @access public - * @see Net_SSH2::getLog() - */ -/** - * Returns the message numbers - */ -define('NET_SSH2_LOG_SIMPLE', 1); -/** - * Returns the message content - */ -define('NET_SSH2_LOG_COMPLEX', 2); -/** - * Outputs the content real-time - */ -define('NET_SSH2_LOG_REALTIME', 3); -/** - * Dumps the content real-time to a file - */ -define('NET_SSH2_LOG_REALTIME_FILE', 4); -/**#@-*/ - -/**#@+ - * @access public - * @see Net_SSH2::read() - */ -/** - * Returns when a string matching $expect exactly is found - */ -define('NET_SSH2_READ_SIMPLE', 1); -/** - * Returns when a string matching the regular expression $expect is found - */ -define('NET_SSH2_READ_REGEX', 2); -/** - * Make sure that the log never gets larger than this - */ -define('NET_SSH2_LOG_MAX_SIZE', 1024 * 1024); -/**#@-*/ +use phpseclib\Crypt\Base; +use phpseclib\Crypt\Blowfish; +use phpseclib\Crypt\Hash; +use phpseclib\Crypt\Random; +use phpseclib\Crypt\RC4; +use phpseclib\Crypt\Rijndael; +use phpseclib\Crypt\RSA; +use phpseclib\Crypt\TripleDES; +use phpseclib\Crypt\Twofish; +use phpseclib\Math\BigInteger; // Used to do Diffie-Hellman key exchange and DSA/RSA signature verification. +use phpseclib\System\SSH\Agent; /** * Pure-PHP implementation of SSHv2. * - * @package Net_SSH2 + * @package SSH2 * @author Jim Wigginton * @access public */ -class Net_SSH2 +class SSH2 { + /**#@+ + * Execution Bitmap Masks + * + * @see \phpseclib\Net\SSH2::bitmap + * @access private + */ + const MASK_CONSTRUCTOR = 0x00000001; + const MASK_CONNECTED = 0x00000002; + const MASK_LOGIN_REQ = 0x00000004; + const MASK_LOGIN = 0x00000008; + const MASK_SHELL = 0x00000010; + const MASK_WINDOW_ADJUST = 0x00000020; + /**#@-*/ + + /**#@+ + * Channel constants + * + * RFC4254 refers not to client and server channels but rather to sender and recipient channels. we don't refer + * to them in that way because RFC4254 toggles the meaning. the client sends a SSH_MSG_CHANNEL_OPEN message with + * a sender channel and the server sends a SSH_MSG_CHANNEL_OPEN_CONFIRMATION in response, with a sender and a + * recepient channel. at first glance, you might conclude that SSH_MSG_CHANNEL_OPEN_CONFIRMATION's sender channel + * would be the same thing as SSH_MSG_CHANNEL_OPEN's sender channel, but it's not, per this snipet: + * The 'recipient channel' is the channel number given in the original + * open request, and 'sender channel' is the channel number allocated by + * the other side. + * + * @see \phpseclib\Net\SSH2::_send_channel_packet() + * @see \phpseclib\Net\SSH2::_get_channel_packet() + * @access private + */ + const CHANNEL_EXEC = 0; // PuTTy uses 0x100 + const CHANNEL_SHELL = 1; + const CHANNEL_SUBSYSTEM = 2; + const CHANNEL_AGENT_FORWARD = 3; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Net\SSH2::getLog() + */ + /** + * Returns the message numbers + */ + const LOG_SIMPLE = 1; + /** + * Returns the message content + */ + const LOG_COMPLEX = 2; + /** + * Outputs the content real-time + */ + const LOG_REALTIME = 3; + /** + * Dumps the content real-time to a file + */ + const LOG_REALTIME_FILE = 4; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Net\SSH2::read() + */ + /** + * Returns when a string matching $expect exactly is found + */ + const READ_SIMPLE = 1; + /** + * Returns when a string matching the regular expression $expect is found + */ + const READ_REGEX = 2; + /** + * Make sure that the log never gets larger than this + */ + const LOG_MAX_SIZE = 1048576; // 1024 * 1024 + /**#@-*/ + /** * The SSH identifier * - * @var String + * @var string * @access private */ var $identifier; @@ -161,7 +157,7 @@ class Net_SSH2 /** * The Socket Object * - * @var Object + * @var object * @access private */ var $fsock; @@ -172,7 +168,7 @@ class Net_SSH2 * The bits that are set represent functions that have been called already. This is used to determine * if a requisite function has been successfully executed. If not, an error should be thrown. * - * @var Integer + * @var int * @access private */ var $bitmap = 0; @@ -180,9 +176,9 @@ class Net_SSH2 /** * Error information * - * @see Net_SSH2::getErrors() - * @see Net_SSH2::getLastError() - * @var String + * @see self::getErrors() + * @see self::getLastError() + * @var string * @access private */ var $errors = array(); @@ -190,8 +186,8 @@ class Net_SSH2 /** * Server Identifier * - * @see Net_SSH2::getServerIdentification() - * @var mixed false or Array + * @see self::getServerIdentification() + * @var array|false * @access private */ var $server_identifier = false; @@ -199,17 +195,44 @@ class Net_SSH2 /** * Key Exchange Algorithms * - * @see Net_SSH2::getKexAlgorithims() - * @var mixed false or Array + * @see self::getKexAlgorithims() + * @var array|false * @access private */ var $kex_algorithms = false; + /** + * Minimum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods + * + * @see self::_key_exchange() + * @var int + * @access private + */ + var $kex_dh_group_size_min = 1536; + + /** + * Preferred Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods + * + * @see self::_key_exchange() + * @var int + * @access private + */ + var $kex_dh_group_size_preferred = 2048; + + /** + * Maximum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods + * + * @see self::_key_exchange() + * @var int + * @access private + */ + var $kex_dh_group_size_max = 4096; + /** * Server Host Key Algorithms * - * @see Net_SSH2::getServerHostKeyAlgorithms() - * @var mixed false or Array + * @see self::getServerHostKeyAlgorithms() + * @var array|false * @access private */ var $server_host_key_algorithms = false; @@ -217,8 +240,8 @@ class Net_SSH2 /** * Encryption Algorithms: Client to Server * - * @see Net_SSH2::getEncryptionAlgorithmsClient2Server() - * @var mixed false or Array + * @see self::getEncryptionAlgorithmsClient2Server() + * @var array|false * @access private */ var $encryption_algorithms_client_to_server = false; @@ -226,8 +249,8 @@ class Net_SSH2 /** * Encryption Algorithms: Server to Client * - * @see Net_SSH2::getEncryptionAlgorithmsServer2Client() - * @var mixed false or Array + * @see self::getEncryptionAlgorithmsServer2Client() + * @var array|false * @access private */ var $encryption_algorithms_server_to_client = false; @@ -235,8 +258,8 @@ class Net_SSH2 /** * MAC Algorithms: Client to Server * - * @see Net_SSH2::getMACAlgorithmsClient2Server() - * @var mixed false or Array + * @see self::getMACAlgorithmsClient2Server() + * @var array|false * @access private */ var $mac_algorithms_client_to_server = false; @@ -244,8 +267,8 @@ class Net_SSH2 /** * MAC Algorithms: Server to Client * - * @see Net_SSH2::getMACAlgorithmsServer2Client() - * @var mixed false or Array + * @see self::getMACAlgorithmsServer2Client() + * @var array|false * @access private */ var $mac_algorithms_server_to_client = false; @@ -253,8 +276,8 @@ class Net_SSH2 /** * Compression Algorithms: Client to Server * - * @see Net_SSH2::getCompressionAlgorithmsClient2Server() - * @var mixed false or Array + * @see self::getCompressionAlgorithmsClient2Server() + * @var array|false * @access private */ var $compression_algorithms_client_to_server = false; @@ -262,8 +285,8 @@ class Net_SSH2 /** * Compression Algorithms: Server to Client * - * @see Net_SSH2::getCompressionAlgorithmsServer2Client() - * @var mixed false or Array + * @see self::getCompressionAlgorithmsServer2Client() + * @var array|false * @access private */ var $compression_algorithms_server_to_client = false; @@ -271,8 +294,8 @@ class Net_SSH2 /** * Languages: Server to Client * - * @see Net_SSH2::getLanguagesServer2Client() - * @var mixed false or Array + * @see self::getLanguagesServer2Client() + * @var array|false * @access private */ var $languages_server_to_client = false; @@ -280,8 +303,8 @@ class Net_SSH2 /** * Languages: Client to Server * - * @see Net_SSH2::getLanguagesClient2Server() - * @var mixed false or Array + * @see self::getLanguagesClient2Server() + * @var array|false * @access private */ var $languages_client_to_server = false; @@ -296,9 +319,9 @@ class Net_SSH2 * * -- http://tools.ietf.org/html/rfc4253#section-6 * - * @see Net_SSH2::Net_SSH2() - * @see Net_SSH2::_send_binary_packet() - * @var Integer + * @see self::__construct() + * @see self::_send_binary_packet() + * @var int * @access private */ var $encrypt_block_size = 8; @@ -306,9 +329,9 @@ class Net_SSH2 /** * Block Size for Client to Server Encryption * - * @see Net_SSH2::Net_SSH2() - * @see Net_SSH2::_get_binary_packet() - * @var Integer + * @see self::__construct() + * @see self::_get_binary_packet() + * @var int * @access private */ var $decrypt_block_size = 8; @@ -316,8 +339,8 @@ class Net_SSH2 /** * Server to Client Encryption Object * - * @see Net_SSH2::_get_binary_packet() - * @var Object + * @see self::_get_binary_packet() + * @var object * @access private */ var $decrypt = false; @@ -325,8 +348,8 @@ class Net_SSH2 /** * Client to Server Encryption Object * - * @see Net_SSH2::_send_binary_packet() - * @var Object + * @see self::_send_binary_packet() + * @var object * @access private */ var $encrypt = false; @@ -334,8 +357,8 @@ class Net_SSH2 /** * Client to Server HMAC Object * - * @see Net_SSH2::_send_binary_packet() - * @var Object + * @see self::_send_binary_packet() + * @var object * @access private */ var $hmac_create = false; @@ -343,8 +366,8 @@ class Net_SSH2 /** * Server to Client HMAC Object * - * @see Net_SSH2::_get_binary_packet() - * @var Object + * @see self::_get_binary_packet() + * @var object * @access private */ var $hmac_check = false; @@ -356,8 +379,8 @@ class Net_SSH2 * For the client to server side, the HMAC object will make the HMAC as long as it needs to be. All we need to do is * append it. * - * @see Net_SSH2::_get_binary_packet() - * @var Integer + * @see self::_get_binary_packet() + * @var int * @access private */ var $hmac_size = false; @@ -365,14 +388,14 @@ class Net_SSH2 /** * Server Public Host Key * - * @see Net_SSH2::getServerPublicHostKey() - * @var String + * @see self::getServerPublicHostKey() + * @var string * @access private */ var $server_public_host_key; /** - * Session identifer + * Session identifier * * "The exchange hash H from the first key exchange is additionally * used as the session identifier, which is a unique identifier for @@ -380,8 +403,8 @@ class Net_SSH2 * * -- http://tools.ietf.org/html/rfc4253#section-7.2 * - * @see Net_SSH2::_key_exchange() - * @var String + * @see self::_key_exchange() + * @var string * @access private */ var $session_id = false; @@ -391,8 +414,8 @@ class Net_SSH2 * * The current exchange hash * - * @see Net_SSH2::_key_exchange() - * @var String + * @see self::_key_exchange() + * @var string * @access private */ var $exchange_hash = false; @@ -400,8 +423,8 @@ class Net_SSH2 /** * Message Numbers * - * @see Net_SSH2::Net_SSH2() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $message_numbers = array(); @@ -409,8 +432,8 @@ class Net_SSH2 /** * Disconnection Message 'reason codes' defined in RFC4253 * - * @see Net_SSH2::Net_SSH2() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $disconnect_reasons = array(); @@ -418,8 +441,8 @@ class Net_SSH2 /** * SSH_MSG_CHANNEL_OPEN_FAILURE 'reason codes', defined in RFC4254 * - * @see Net_SSH2::Net_SSH2() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $channel_open_failure_reasons = array(); @@ -428,8 +451,8 @@ class Net_SSH2 * Terminal Modes * * @link http://tools.ietf.org/html/rfc4254#section-8 - * @see Net_SSH2::Net_SSH2() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $terminal_modes = array(); @@ -438,8 +461,8 @@ class Net_SSH2 * SSH_MSG_CHANNEL_EXTENDED_DATA's data_type_codes * * @link http://tools.ietf.org/html/rfc4254#section-5.2 - * @see Net_SSH2::Net_SSH2() - * @var Array + * @see self::__construct() + * @var array * @access private */ var $channel_extended_data_type_codes = array(); @@ -449,8 +472,8 @@ class Net_SSH2 * * See 'Section 6.4. Data Integrity' of rfc4253 for more info. * - * @see Net_SSH2::_send_binary_packet() - * @var Integer + * @see self::_send_binary_packet() + * @var int * @access private */ var $send_seq_no = 0; @@ -460,8 +483,8 @@ class Net_SSH2 * * See 'Section 6.4. Data Integrity' of rfc4253 for more info. * - * @see Net_SSH2::_get_binary_packet() - * @var Integer + * @see self::_get_binary_packet() + * @var int * @access private */ var $get_seq_no = 0; @@ -471,9 +494,9 @@ class Net_SSH2 * * Maps client channels to server channels * - * @see Net_SSH2::_get_channel_packet() - * @see Net_SSH2::exec() - * @var Array + * @see self::_get_channel_packet() + * @see self::exec() + * @var array * @access private */ var $server_channels = array(); @@ -484,9 +507,9 @@ class Net_SSH2 * If a client requests a packet from one channel but receives two packets from another those packets should * be placed in a buffer * - * @see Net_SSH2::_get_channel_packet() - * @see Net_SSH2::exec() - * @var Array + * @see self::_get_channel_packet() + * @see self::exec() + * @var array * @access private */ var $channel_buffers = array(); @@ -496,8 +519,8 @@ class Net_SSH2 * * Contains the type of the last sent message * - * @see Net_SSH2::_get_channel_packet() - * @var Array + * @see self::_get_channel_packet() + * @var array * @access private */ var $channel_status = array(); @@ -507,8 +530,8 @@ class Net_SSH2 * * Maximum packet size indexed by channel * - * @see Net_SSH2::_send_channel_packet() - * @var Array + * @see self::_send_channel_packet() + * @var array * @access private */ var $packet_size_client_to_server = array(); @@ -516,8 +539,8 @@ class Net_SSH2 /** * Message Number Log * - * @see Net_SSH2::getLog() - * @var Array + * @see self::getLog() + * @var array * @access private */ var $message_number_log = array(); @@ -525,8 +548,8 @@ class Net_SSH2 /** * Message Log * - * @see Net_SSH2::getLog() - * @var Array + * @see self::getLog() + * @var array * @access private */ var $message_log = array(); @@ -536,9 +559,9 @@ class Net_SSH2 * * Bytes the other party can send before it must wait for the window to be adjusted (0x7FFFFFFF = 2GB) * - * @var Integer - * @see Net_SSH2::_send_channel_packet() - * @see Net_SSH2::exec() + * @var int + * @see self::_send_channel_packet() + * @see self::exec() * @access private */ var $window_size = 0x7FFFFFFF; @@ -548,8 +571,8 @@ class Net_SSH2 * * Window size indexed by channel * - * @see Net_SSH2::_send_channel_packet() - * @var Array + * @see self::_send_channel_packet() + * @var array * @access private */ var $window_size_server_to_client = array(); @@ -559,8 +582,8 @@ class Net_SSH2 * * Window size indexed by channel * - * @see Net_SSH2::_get_channel_packet() - * @var Array + * @see self::_get_channel_packet() + * @var array * @access private */ var $window_size_client_to_server = array(); @@ -570,8 +593,8 @@ class Net_SSH2 * * Verified against $this->session_id * - * @see Net_SSH2::getServerPublicHostKey() - * @var String + * @see self::getServerPublicHostKey() + * @var string * @access private */ var $signature = ''; @@ -581,8 +604,8 @@ class Net_SSH2 * * ssh-rsa or ssh-dss. * - * @see Net_SSH2::getServerPublicHostKey() - * @var String + * @see self::getServerPublicHostKey() + * @var string * @access private */ var $signature_format = ''; @@ -590,8 +613,8 @@ class Net_SSH2 /** * Interactive Buffer * - * @see Net_SSH2::read() - * @var Array + * @see self::read() + * @var array * @access private */ var $interactiveBuffer = ''; @@ -599,11 +622,11 @@ class Net_SSH2 /** * Current log size * - * Should never exceed NET_SSH2_LOG_MAX_SIZE + * Should never exceed self::LOG_MAX_SIZE * - * @see Net_SSH2::_send_binary_packet() - * @see Net_SSH2::_get_binary_packet() - * @var Integer + * @see self::_send_binary_packet() + * @see self::_get_binary_packet() + * @var int * @access private */ var $log_size; @@ -611,7 +634,7 @@ class Net_SSH2 /** * Timeout * - * @see Net_SSH2::setTimeout() + * @see self::setTimeout() * @access private */ var $timeout; @@ -619,7 +642,7 @@ class Net_SSH2 /** * Current Timeout * - * @see Net_SSH2::_get_channel_packet() + * @see self::_get_channel_packet() * @access private */ var $curTimeout; @@ -627,8 +650,8 @@ class Net_SSH2 /** * Real-time log file pointer * - * @see Net_SSH2::_append_log() - * @var Resource + * @see self::_append_log() + * @var resource * @access private */ var $realtime_log_file; @@ -636,8 +659,8 @@ class Net_SSH2 /** * Real-time log file size * - * @see Net_SSH2::_append_log() - * @var Integer + * @see self::_append_log() + * @var int * @access private */ var $realtime_log_size; @@ -645,8 +668,8 @@ class Net_SSH2 /** * Has the signature been validated? * - * @see Net_SSH2::getServerPublicHostKey() - * @var Boolean + * @see self::getServerPublicHostKey() + * @var bool * @access private */ var $signature_validated = false; @@ -654,7 +677,7 @@ class Net_SSH2 /** * Real-time log file wrap boolean * - * @see Net_SSH2::_append_log() + * @see self::_append_log() * @access private */ var $realtime_log_wrap; @@ -662,7 +685,7 @@ class Net_SSH2 /** * Flag to suppress stderr from output * - * @see Net_SSH2::enableQuietMode() + * @see self::enableQuietMode() * @access private */ var $quiet_mode = false; @@ -670,7 +693,7 @@ class Net_SSH2 /** * Time of first network activity * - * @var Integer + * @var int * @access private */ var $last_packet; @@ -678,7 +701,7 @@ class Net_SSH2 /** * Exit status returned from ssh if any * - * @var Integer + * @var int * @access private */ var $exit_status; @@ -686,8 +709,8 @@ class Net_SSH2 /** * Flag to request a PTY when using exec() * - * @var Boolean - * @see Net_SSH2::enablePTY() + * @var bool + * @see self::enablePTY() * @access private */ var $request_pty = false; @@ -695,7 +718,7 @@ class Net_SSH2 /** * Flag set while exec() is running when using enablePTY() * - * @var Boolean + * @var bool * @access private */ var $in_request_pty_exec = false; @@ -703,7 +726,7 @@ class Net_SSH2 /** * Flag set after startSubsystem() is called * - * @var Boolean + * @var bool * @access private */ var $in_subsystem; @@ -711,7 +734,7 @@ class Net_SSH2 /** * Contents of stdError * - * @var String + * @var string * @access private */ var $stdErrorLog; @@ -719,8 +742,8 @@ class Net_SSH2 /** * The Last Interactive Response * - * @see Net_SSH2::_keyboard_interactive_process() - * @var String + * @see self::_keyboard_interactive_process() + * @var string * @access private */ var $last_interactive_response = ''; @@ -728,8 +751,8 @@ class Net_SSH2 /** * Keyboard Interactive Request / Responses * - * @see Net_SSH2::_keyboard_interactive_process() - * @var Array + * @see self::_keyboard_interactive_process() + * @var array * @access private */ var $keyboard_requests_responses = array(); @@ -740,9 +763,9 @@ class Net_SSH2 * Quoting from the RFC, "in some jurisdictions, sending a warning message before * authentication may be relevant for getting legal protection." * - * @see Net_SSH2::_filter() - * @see Net_SSH2::getBannerMessage() - * @var String + * @see self::_filter() + * @see self::getBannerMessage() + * @var string * @access private */ var $banner_message = ''; @@ -750,8 +773,8 @@ class Net_SSH2 /** * Did read() timeout or return normally? * - * @see Net_SSH2::isTimeout() - * @var Boolean + * @see self::isTimeout() + * @var bool * @access private */ var $is_timeout = false; @@ -759,8 +782,8 @@ class Net_SSH2 /** * Log Boundary * - * @see Net_SSH2::_format_log() - * @var String + * @see self::_format_log() + * @var string * @access private */ var $log_boundary = ':'; @@ -768,8 +791,8 @@ class Net_SSH2 /** * Log Long Width * - * @see Net_SSH2::_format_log() - * @var Integer + * @see self::_format_log() + * @var int * @access private */ var $log_long_width = 65; @@ -777,8 +800,8 @@ class Net_SSH2 /** * Log Short Width * - * @see Net_SSH2::_format_log() - * @var Integer + * @see self::_format_log() + * @var int * @access private */ var $log_short_width = 16; @@ -786,9 +809,9 @@ class Net_SSH2 /** * Hostname * - * @see Net_SSH2::Net_SSH2() - * @see Net_SSH2::_connect() - * @var String + * @see self::__construct() + * @see self::_connect() + * @var string * @access private */ var $host; @@ -796,35 +819,20 @@ class Net_SSH2 /** * Port Number * - * @see Net_SSH2::Net_SSH2() - * @see Net_SSH2::_connect() - * @var Integer + * @see self::__construct() + * @see self::_connect() + * @var int * @access private */ var $port; - /** - * Timeout for initial connection - * - * Set by the constructor call. Calling setTimeout() is optional. If it's not called functions like - * exec() won't timeout unless some PHP setting forces it too. The timeout specified in the constructor, - * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be - * 10 seconds. It is used by fsockopen() and the initial stream_select in that function. - * - * @see Net_SSH2::Net_SSH2() - * @see Net_SSH2::_connect() - * @var Integer - * @access private - */ - var $connectionTimeout; - /** * Number of columns for terminal window size * - * @see Net_SSH2::getWindowColumns() - * @see Net_SSH2::setWindowColumns() - * @see Net_SSH2::setWindowSize() - * @var Integer + * @see self::getWindowColumns() + * @see self::setWindowColumns() + * @see self::setWindowSize() + * @var int * @access private */ var $windowColumns = 80; @@ -832,40 +840,46 @@ class Net_SSH2 /** * Number of columns for terminal window size * - * @see Net_SSH2::getWindowRows() - * @see Net_SSH2::setWindowRows() - * @see Net_SSH2::setWindowSize() - * @var Integer + * @see self::getWindowRows() + * @see self::setWindowRows() + * @see self::setWindowSize() + * @var int * @access private */ var $windowRows = 24; + /** + * Crypto Engine + * + * @see self::setCryptoEngine() + * @see self::_key_exchange() + * @var int + * @access private + */ + var $crypto_engine = false; + + /** + * A System_SSH_Agent for use in the SSH2 Agent Forwarding scenario + * + * @var System_SSH_Agent + * @access private + */ + var $agent; + /** * Default Constructor. * - * @param String $host - * @param optional Integer $port - * @param optional Integer $timeout - * @see Net_SSH2::login() - * @return Net_SSH2 + * $host can either be a string, representing the host, or a stream resource. + * + * @param mixed $host + * @param int $port + * @param int $timeout + * @see self::login() + * @return \phpseclib\Net\SSH2 * @access public */ - function Net_SSH2($host, $port = 22, $timeout = 10) + function __construct($host, $port = 22, $timeout = 10) { - // Include Math_BigInteger - // Used to do Diffie-Hellman key exchange and DSA/RSA signature verification. - if (!class_exists('Math_BigInteger')) { - include_once 'Math/BigInteger.php'; - } - - if (!function_exists('crypt_random_string')) { - include_once 'Crypt/Random.php'; - } - - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } - $this->message_numbers = array( 1 => 'NET_SSH2_MSG_DISCONNECT', 2 => 'NET_SSH2_MSG_IGNORE', @@ -933,59 +947,78 @@ class Net_SSH2 array(60 => 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'), array(60 => 'NET_SSH2_MSG_USERAUTH_PK_OK'), array(60 => 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST', - 61 => 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE') + 61 => 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE'), + // RFC 4419 - diffie-hellman-group-exchange-sha{1,256} + array(30 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST_OLD', + 31 => 'NET_SSH2_MSG_KEXDH_GEX_GROUP', + 32 => 'NET_SSH2_MSG_KEXDH_GEX_INIT', + 33 => 'NET_SSH2_MSG_KEXDH_GEX_REPLY', + 34 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST'), + // RFC 5656 - Elliptic Curves (for curve25519-sha256@libssh.org) + array(30 => 'NET_SSH2_MSG_KEX_ECDH_INIT', + 31 => 'NET_SSH2_MSG_KEX_ECDH_REPLY') ); - $this->host = $host; - $this->port = $port; - $this->connectionTimeout = $timeout; + if (is_resource($host)) { + $this->fsock = $host; + return; + } + + if (is_string($host)) { + $this->host = $host; + $this->port = $port; + $this->timeout = $timeout; + } + } + + /** + * Set Crypto Engine Mode + * + * Possible $engine values: + * CRYPT_MODE_INTERNAL, CRYPT_MODE_MCRYPT + * + * @param int $engine + * @access private + */ + function setCryptoEngine($engine) + { + $this->crypto_engine = $engine; } /** * Connect to an SSHv2 server * - * @return Boolean + * @return bool * @access private */ function _connect() { - if ($this->bitmap & NET_SSH2_MASK_CONSTRUCTOR) { + if ($this->bitmap & self::MASK_CONSTRUCTOR) { return false; } - $this->bitmap |= NET_SSH2_MASK_CONSTRUCTOR; + $this->bitmap |= self::MASK_CONSTRUCTOR; - $timeout = $this->connectionTimeout; - $host = $this->host . ':' . $this->port; + $this->curTimeout = $this->timeout; - $this->last_packet = strtok(microtime(), ' ') + strtok(''); // == microtime(true) in PHP5 + $this->last_packet = microtime(true); - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $timeout); - if (!$this->fsock) { - user_error(rtrim("Cannot connect to $host. Error $errno. $errstr")); - return false; - } - $elapsed = strtok(microtime(), ' ') + strtok('') - $start; + if (!is_resource($this->fsock)) { + $start = microtime(true); + $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->curTimeout); + if (!$this->fsock) { + $host = $this->host . ':' . $this->port; + user_error(rtrim("Cannot connect to $host. Error $errno. $errstr")); + return false; + } + $elapsed = microtime(true) - $start; - $timeout-= $elapsed; + $this->curTimeout-= $elapsed; - if ($timeout <= 0) { - user_error("Cannot connect to $host. Timeout error"); - return false; - } - - $read = array($this->fsock); - $write = $except = null; - - $sec = floor($timeout); - $usec = 1000000 * ($timeout - $sec); - - // on windows this returns a "Warning: Invalid CRT parameters detected" error - // the !count() is done as a workaround for - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - user_error("Cannot connect to $host. Banner timeout"); - return false; + if ($this->curTimeout <= 0) { + $this->is_timeout = true; + return false; + } } /* According to the SSH2 specs, @@ -995,14 +1028,51 @@ class Net_SSH2 Feed. Such lines MUST NOT begin with "SSH-", and SHOULD be encoded in ISO-10646 UTF-8 [RFC3629] (language is not specified). Clients MUST be able to process such lines." */ - $temp = ''; - $extra = ''; - while (!feof($this->fsock) && !preg_match('#^SSH-(\d\.\d+)#', $temp, $matches)) { - if (substr($temp, -2) == "\r\n") { - $extra.= $temp; - $temp = ''; + $data = ''; + while (!feof($this->fsock) && !preg_match('#(.*)^(SSH-(\d\.\d+).*)#ms', $data, $matches)) { + $line = ''; + while (true) { + if ($this->curTimeout) { + if ($this->curTimeout < 0) { + $this->is_timeout = true; + return false; + } + $read = array($this->fsock); + $write = $except = null; + $start = microtime(true); + $sec = floor($this->curTimeout); + $usec = 1000000 * ($this->curTimeout - $sec); + // on windows this returns a "Warning: Invalid CRT parameters detected" error + // the !count() is done as a workaround for + if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { + $this->is_timeout = true; + return false; + } + $elapsed = microtime(true) - $start; + $this->curTimeout-= $elapsed; + } + + $temp = stream_get_line($this->fsock, 255, "\n"); + if (strlen($temp) == 255) { + continue; + } + + $line.= "$temp\n"; + + // quoting RFC4253, "Implementers who wish to maintain + // compatibility with older, undocumented versions of this protocol may + // want to process the identification string without expecting the + // presence of the carriage return character for reasons described in + // Section 5 of this document." + + //if (substr($line, -2) == "\r\n") { + // break; + //} + + break; } - $temp.= fgets($this->fsock, 255); + + $data.= $line; } if (feof($this->fsock)) { @@ -1010,20 +1080,22 @@ class Net_SSH2 return false; } + $extra = $matches[1]; + $this->identifier = $this->_generate_identifier(); if (defined('NET_SSH2_LOGGING')) { - $this->_append_log('<-', $extra . $temp); + $this->_append_log('<-', $matches[0]); $this->_append_log('->', $this->identifier . "\r\n"); } $this->server_identifier = trim($temp, "\r\n"); if (strlen($extra)) { - $this->errors[] = utf8_decode($extra); + $this->errors[] = utf8_decode($data); } - if ($matches[1] != '1.99' && $matches[1] != '2.0') { - user_error("Cannot connect to SSH $matches[1] servers"); + if ($matches[3] != '1.99' && $matches[3] != '2.0') { + user_error("Cannot connect to SSH $matches[3] servers"); return false; } @@ -1044,7 +1116,7 @@ class Net_SSH2 return false; } - $this->bitmap|= NET_SSH2_MASK_CONNECTED; + $this->bitmap|= self::MASK_CONNECTED; return true; } @@ -1055,14 +1127,20 @@ class Net_SSH2 * You should overwrite this method in your own class if you want to use another identifier * * @access protected - * @return String + * @return string */ function _generate_identifier() { - $identifier = 'SSH-2.0-phpseclib_0.3'; + $identifier = 'SSH-2.0-phpseclib_2.0'; $ext = array(); - if (extension_loaded('mcrypt')) { + if (extension_loaded('libsodium')) { + $ext[] = 'libsodium'; + } + + if (extension_loaded('openssl')) { + $ext[] = 'openssl'; + } elseif (extension_loaded('mcrypt')) { $ext[] = 'mcrypt'; } @@ -1082,92 +1160,113 @@ class Net_SSH2 /** * Key Exchange * - * @param String $kexinit_payload_server + * @param string $kexinit_payload_server * @access private */ function _key_exchange($kexinit_payload_server) { - static $kex_algorithms = array( - 'diffie-hellman-group1-sha1', // REQUIRED - 'diffie-hellman-group14-sha1' // REQUIRED - ); + $kex_algorithms = array( + // Elliptic Curve Diffie-Hellman Key Agreement (ECDH) using + // Curve25519. See doc/curve25519-sha256@libssh.org.txt in the + // libssh repository for more information. + 'curve25519-sha256@libssh.org', - static $server_host_key_algorithms = array( + // Diffie-Hellman Key Agreement (DH) using integer modulo prime + // groups. + 'diffie-hellman-group1-sha1', // REQUIRED + 'diffie-hellman-group14-sha1', // REQUIRED + 'diffie-hellman-group-exchange-sha1', // RFC 4419 + 'diffie-hellman-group-exchange-sha256', // RFC 4419 + ); + if (!function_exists('\\Sodium\\library_version_major')) { + $kex_algorithms = array_diff( + $kex_algorithms, + array('curve25519-sha256@libssh.org') + ); + } + + $server_host_key_algorithms = array( 'ssh-rsa', // RECOMMENDED sign Raw RSA Key 'ssh-dss' // REQUIRED sign Raw DSS Key ); - static $encryption_algorithms = false; - if ($encryption_algorithms === false) { - $encryption_algorithms = array( - // from : - 'arcfour256', - 'arcfour128', + $encryption_algorithms = array( + // from : + 'arcfour256', + 'arcfour128', - //'arcfour', // OPTIONAL the ARCFOUR stream cipher with a 128-bit key + //'arcfour', // OPTIONAL the ARCFOUR stream cipher with a 128-bit key - // CTR modes from : - 'aes128-ctr', // RECOMMENDED AES (Rijndael) in SDCTR mode, with 128-bit key - 'aes192-ctr', // RECOMMENDED AES with 192-bit key - 'aes256-ctr', // RECOMMENDED AES with 256-bit key + // CTR modes from : + 'aes128-ctr', // RECOMMENDED AES (Rijndael) in SDCTR mode, with 128-bit key + 'aes192-ctr', // RECOMMENDED AES with 192-bit key + 'aes256-ctr', // RECOMMENDED AES with 256-bit key - 'twofish128-ctr', // OPTIONAL Twofish in SDCTR mode, with 128-bit key - 'twofish192-ctr', // OPTIONAL Twofish with 192-bit key - 'twofish256-ctr', // OPTIONAL Twofish with 256-bit key + 'twofish128-ctr', // OPTIONAL Twofish in SDCTR mode, with 128-bit key + 'twofish192-ctr', // OPTIONAL Twofish with 192-bit key + 'twofish256-ctr', // OPTIONAL Twofish with 256-bit key - 'aes128-cbc', // RECOMMENDED AES with a 128-bit key - 'aes192-cbc', // OPTIONAL AES with a 192-bit key - 'aes256-cbc', // OPTIONAL AES in CBC mode, with a 256-bit key + 'aes128-cbc', // RECOMMENDED AES with a 128-bit key + 'aes192-cbc', // OPTIONAL AES with a 192-bit key + 'aes256-cbc', // OPTIONAL AES in CBC mode, with a 256-bit key - 'twofish128-cbc', // OPTIONAL Twofish with a 128-bit key - 'twofish192-cbc', // OPTIONAL Twofish with a 192-bit key - 'twofish256-cbc', - 'twofish-cbc', // OPTIONAL alias for "twofish256-cbc" - // (this is being retained for historical reasons) + 'twofish128-cbc', // OPTIONAL Twofish with a 128-bit key + 'twofish192-cbc', // OPTIONAL Twofish with a 192-bit key + 'twofish256-cbc', + 'twofish-cbc', // OPTIONAL alias for "twofish256-cbc" + // (this is being retained for historical reasons) - 'blowfish-ctr', // OPTIONAL Blowfish in SDCTR mode + 'blowfish-ctr', // OPTIONAL Blowfish in SDCTR mode - 'blowfish-cbc', // OPTIONAL Blowfish in CBC mode + 'blowfish-cbc', // OPTIONAL Blowfish in CBC mode - '3des-ctr', // RECOMMENDED Three-key 3DES in SDCTR mode + '3des-ctr', // RECOMMENDED Three-key 3DES in SDCTR mode - '3des-cbc', // REQUIRED three-key 3DES in CBC mode - //'none' // OPTIONAL no encryption; NOT RECOMMENDED + '3des-cbc', // REQUIRED three-key 3DES in CBC mode + //'none' // OPTIONAL no encryption; NOT RECOMMENDED + ); + + if (extension_loaded('openssl') && !extension_loaded('mcrypt')) { + // OpenSSL does not support arcfour256 in any capacity and arcfour128 / arcfour support is limited to + // instances that do not use continuous buffers + $encryption_algorithms = array_diff( + $encryption_algorithms, + array('arcfour256', 'arcfour128', 'arcfour') ); - - if (phpseclib_resolve_include_path('Crypt/RC4.php') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('arcfour256', 'arcfour128', 'arcfour') - ); - } - if (phpseclib_resolve_include_path('Crypt/Rijndael.php') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'aes128-cbc', 'aes192-cbc', 'aes256-cbc') - ); - } - if (phpseclib_resolve_include_path('Crypt/Twofish.php') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('twofish128-ctr', 'twofish192-ctr', 'twofish256-ctr', 'twofish128-cbc', 'twofish192-cbc', 'twofish256-cbc', 'twofish-cbc') - ); - } - if (phpseclib_resolve_include_path('Crypt/Blowfish.php') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('blowfish-ctr', 'blowfish-cbc') - ); - } - if (phpseclib_resolve_include_path('Crypt/TripleDES.php') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('3des-ctr', '3des-cbc') - ); - } - $encryption_algorithms = array_values($encryption_algorithms); } + if (class_exists('\phpseclib\Crypt\RC4') === false) { + $encryption_algorithms = array_diff( + $encryption_algorithms, + array('arcfour256', 'arcfour128', 'arcfour') + ); + } + if (class_exists('\phpseclib\Crypt\Rijndael') === false) { + $encryption_algorithms = array_diff( + $encryption_algorithms, + array('aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'aes128-cbc', 'aes192-cbc', 'aes256-cbc') + ); + } + if (class_exists('\phpseclib\Crypt\Twofish') === false) { + $encryption_algorithms = array_diff( + $encryption_algorithms, + array('twofish128-ctr', 'twofish192-ctr', 'twofish256-ctr', 'twofish128-cbc', 'twofish192-cbc', 'twofish256-cbc', 'twofish-cbc') + ); + } + if (class_exists('\phpseclib\Crypt\Blowfish') === false) { + $encryption_algorithms = array_diff( + $encryption_algorithms, + array('blowfish-ctr', 'blowfish-cbc') + ); + } + if (class_exists('\phpseclib\Crypt\TripleDES') === false) { + $encryption_algorithms = array_diff( + $encryption_algorithms, + array('3des-ctr', '3des-cbc') + ); + } + $encryption_algorithms = array_values($encryption_algorithms); + $mac_algorithms = array( // from : 'hmac-sha2-256',// RECOMMENDED HMAC-SHA256 (digest length = key length = 32) @@ -1179,7 +1278,7 @@ class Net_SSH2 //'none' // OPTIONAL no MAC; NOT RECOMMENDED ); - static $compression_algorithms = array( + $compression_algorithms = array( 'none' // REQUIRED no compression //'zlib' // OPTIONAL ZLIB (LZ77) compression ); @@ -1193,19 +1292,13 @@ class Net_SSH2 )); } - static $str_kex_algorithms, $str_server_host_key_algorithms, - $encryption_algorithms_server_to_client, $mac_algorithms_server_to_client, $compression_algorithms_server_to_client, - $encryption_algorithms_client_to_server, $mac_algorithms_client_to_server, $compression_algorithms_client_to_server; + $str_kex_algorithms = implode(',', $kex_algorithms); + $str_server_host_key_algorithms = implode(',', $server_host_key_algorithms); + $encryption_algorithms_server_to_client = $encryption_algorithms_client_to_server = implode(',', $encryption_algorithms); + $mac_algorithms_server_to_client = $mac_algorithms_client_to_server = implode(',', $mac_algorithms); + $compression_algorithms_server_to_client = $compression_algorithms_client_to_server = implode(',', $compression_algorithms); - if (empty($str_kex_algorithms)) { - $str_kex_algorithms = implode(',', $kex_algorithms); - $str_server_host_key_algorithms = implode(',', $server_host_key_algorithms); - $encryption_algorithms_server_to_client = $encryption_algorithms_client_to_server = implode(',', $encryption_algorithms); - $mac_algorithms_server_to_client = $mac_algorithms_client_to_server = implode(',', $mac_algorithms); - $compression_algorithms_server_to_client = $compression_algorithms_client_to_server = implode(',', $compression_algorithms); - } - - $client_cookie = crypt_random_string(16); + $client_cookie = Random::string(16); $response = $kexinit_payload_server; $this->_string_shift($response, 1); // skip past the message number (it should be SSH_MSG_KEXINIT) @@ -1245,14 +1338,32 @@ class Net_SSH2 $first_kex_packet_follows = $first_kex_packet_follows != 0; // the sending of SSH2_MSG_KEXINIT could go in one of two places. this is the second place. - $kexinit_payload_client = pack('Ca*Na*Na*Na*Na*Na*Na*Na*Na*Na*Na*CN', - NET_SSH2_MSG_KEXINIT, $client_cookie, strlen($str_kex_algorithms), $str_kex_algorithms, - strlen($str_server_host_key_algorithms), $str_server_host_key_algorithms, strlen($encryption_algorithms_client_to_server), - $encryption_algorithms_client_to_server, strlen($encryption_algorithms_server_to_client), $encryption_algorithms_server_to_client, - strlen($mac_algorithms_client_to_server), $mac_algorithms_client_to_server, strlen($mac_algorithms_server_to_client), - $mac_algorithms_server_to_client, strlen($compression_algorithms_client_to_server), $compression_algorithms_client_to_server, - strlen($compression_algorithms_server_to_client), $compression_algorithms_server_to_client, 0, '', 0, '', - 0, 0 + $kexinit_payload_client = pack( + 'Ca*Na*Na*Na*Na*Na*Na*Na*Na*Na*Na*CN', + NET_SSH2_MSG_KEXINIT, + $client_cookie, + strlen($str_kex_algorithms), + $str_kex_algorithms, + strlen($str_server_host_key_algorithms), + $str_server_host_key_algorithms, + strlen($encryption_algorithms_client_to_server), + $encryption_algorithms_client_to_server, + strlen($encryption_algorithms_server_to_client), + $encryption_algorithms_server_to_client, + strlen($mac_algorithms_client_to_server), + $mac_algorithms_client_to_server, + strlen($mac_algorithms_server_to_client), + $mac_algorithms_server_to_client, + strlen($compression_algorithms_client_to_server), + $compression_algorithms_client_to_server, + strlen($compression_algorithms_server_to_client), + $compression_algorithms_server_to_client, + 0, + '', + 0, + '', + 0, + 0 ); if (!$this->_send_binary_packet($kexinit_payload_client)) { @@ -1261,151 +1372,141 @@ class Net_SSH2 // here ends the second place. // we need to decide upon the symmetric encryption algorithms before we do the diffie-hellman key exchange - for ($i = 0; $i < count($encryption_algorithms) && !in_array($encryption_algorithms[$i], $this->encryption_algorithms_server_to_client); $i++); - if ($i == count($encryption_algorithms)) { + // we don't initialize any crypto-objects, yet - we do that, later. for now, we need the lengths to make the + // diffie-hellman key exchange as fast as possible + $decrypt = $this->_array_intersect_first($encryption_algorithms, $this->encryption_algorithms_server_to_client); + $decryptKeyLength = $this->_encryption_algorithm_to_key_size($decrypt); + if ($decryptKeyLength === null) { user_error('No compatible server to client encryption algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - // we don't initialize any crypto-objects, yet - we do that, later. for now, we need the lengths to make the - // diffie-hellman key exchange as fast as possible - $decrypt = $encryption_algorithms[$i]; - switch ($decrypt) { - case '3des-cbc': - case '3des-ctr': - $decryptKeyLength = 24; // eg. 192 / 8 - break; - case 'aes256-cbc': - case 'aes256-ctr': - case 'twofish-cbc': - case 'twofish256-cbc': - case 'twofish256-ctr': - $decryptKeyLength = 32; // eg. 256 / 8 - break; - case 'aes192-cbc': - case 'aes192-ctr': - case 'twofish192-cbc': - case 'twofish192-ctr': - $decryptKeyLength = 24; // eg. 192 / 8 - break; - case 'aes128-cbc': - case 'aes128-ctr': - case 'twofish128-cbc': - case 'twofish128-ctr': - case 'blowfish-cbc': - case 'blowfish-ctr': - $decryptKeyLength = 16; // eg. 128 / 8 - break; - case 'arcfour': - case 'arcfour128': - $decryptKeyLength = 16; // eg. 128 / 8 - break; - case 'arcfour256': - $decryptKeyLength = 32; // eg. 128 / 8 - break; - case 'none'; - $decryptKeyLength = 0; - } - - for ($i = 0; $i < count($encryption_algorithms) && !in_array($encryption_algorithms[$i], $this->encryption_algorithms_client_to_server); $i++); - if ($i == count($encryption_algorithms)) { + $encrypt = $this->_array_intersect_first($encryption_algorithms, $this->encryption_algorithms_client_to_server); + $encryptKeyLength = $this->_encryption_algorithm_to_key_size($encrypt); + if ($encryptKeyLength === null) { user_error('No compatible client to server encryption algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - $encrypt = $encryption_algorithms[$i]; - switch ($encrypt) { - case '3des-cbc': - case '3des-ctr': - $encryptKeyLength = 24; - break; - case 'aes256-cbc': - case 'aes256-ctr': - case 'twofish-cbc': - case 'twofish256-cbc': - case 'twofish256-ctr': - $encryptKeyLength = 32; - break; - case 'aes192-cbc': - case 'aes192-ctr': - case 'twofish192-cbc': - case 'twofish192-ctr': - $encryptKeyLength = 24; - break; - case 'aes128-cbc': - case 'aes128-ctr': - case 'twofish128-cbc': - case 'twofish128-ctr': - case 'blowfish-cbc': - case 'blowfish-ctr': - $encryptKeyLength = 16; - break; - case 'arcfour': - case 'arcfour128': - $encryptKeyLength = 16; - break; - case 'arcfour256': - $encryptKeyLength = 32; - break; - case 'none'; - $encryptKeyLength = 0; - } - - $keyLength = $decryptKeyLength > $encryptKeyLength ? $decryptKeyLength : $encryptKeyLength; - // through diffie-hellman key exchange a symmetric key is obtained - for ($i = 0; $i < count($kex_algorithms) && !in_array($kex_algorithms[$i], $this->kex_algorithms); $i++); - if ($i == count($kex_algorithms)) { + $kex_algorithm = $this->_array_intersect_first($kex_algorithms, $this->kex_algorithms); + if ($kex_algorithm === false) { user_error('No compatible key exchange algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - switch ($kex_algorithms[$i]) { - // see http://tools.ietf.org/html/rfc2409#section-6.2 and - // http://tools.ietf.org/html/rfc2412, appendex E - case 'diffie-hellman-group1-sha1': - $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . - '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . - '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . - 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF'; - break; - // see http://tools.ietf.org/html/rfc3526#section-3 - case 'diffie-hellman-group14-sha1': - $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . - '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . - '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . - 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' . - '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' . - '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' . - 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' . - '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF'; - break; + // Only relevant in diffie-hellman-group-exchange-sha{1,256}, otherwise empty. + $exchange_hash_rfc4419 = ''; + + if ($kex_algorithm === 'curve25519-sha256@libssh.org') { + $x = Random::string(32); + $eBytes = \Sodium\crypto_box_publickey_from_secretkey($x); + $clientKexInitMessage = NET_SSH2_MSG_KEX_ECDH_INIT; + $serverKexReplyMessage = NET_SSH2_MSG_KEX_ECDH_REPLY; + $kexHash = new Hash('sha256'); + } else { + if (strpos($kex_algorithm, 'diffie-hellman-group-exchange') === 0) { + $dh_group_sizes_packed = pack( + 'NNN', + $this->kex_dh_group_size_min, + $this->kex_dh_group_size_preferred, + $this->kex_dh_group_size_max + ); + $packet = pack( + 'Ca*', + NET_SSH2_MSG_KEXDH_GEX_REQUEST, + $dh_group_sizes_packed + ); + if (!$this->_send_binary_packet($packet)) { + return false; + } + + $response = $this->_get_binary_packet(); + if ($response === false) { + user_error('Connection closed by server'); + return false; + } + extract(unpack('Ctype', $this->_string_shift($response, 1))); + if ($type != NET_SSH2_MSG_KEXDH_GEX_GROUP) { + user_error('Expected SSH_MSG_KEX_DH_GEX_GROUP'); + return false; + } + + extract(unpack('NprimeLength', $this->_string_shift($response, 4))); + $primeBytes = $this->_string_shift($response, $primeLength); + $prime = new BigInteger($primeBytes, -256); + + extract(unpack('NgLength', $this->_string_shift($response, 4))); + $gBytes = $this->_string_shift($response, $gLength); + $g = new BigInteger($gBytes, -256); + + $exchange_hash_rfc4419 = pack( + 'a*Na*Na*', + $dh_group_sizes_packed, + $primeLength, + $primeBytes, + $gLength, + $gBytes + ); + + $clientKexInitMessage = NET_SSH2_MSG_KEXDH_GEX_INIT; + $serverKexReplyMessage = NET_SSH2_MSG_KEXDH_GEX_REPLY; + } else { + switch ($kex_algorithm) { + // see http://tools.ietf.org/html/rfc2409#section-6.2 and + // http://tools.ietf.org/html/rfc2412, appendex E + case 'diffie-hellman-group1-sha1': + $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . + '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . + '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . + 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF'; + break; + // see http://tools.ietf.org/html/rfc3526#section-3 + case 'diffie-hellman-group14-sha1': + $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . + '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . + '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . + 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' . + '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' . + '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' . + 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' . + '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF'; + break; + } + // For both diffie-hellman-group1-sha1 and diffie-hellman-group14-sha1 + // the generator field element is 2 (decimal) and the hash function is sha1. + $g = new BigInteger(2); + $prime = new BigInteger($prime, 16); + $clientKexInitMessage = NET_SSH2_MSG_KEXDH_INIT; + $serverKexReplyMessage = NET_SSH2_MSG_KEXDH_REPLY; + } + + switch ($kex_algorithm) { + case 'diffie-hellman-group-exchange-sha256': + $kexHash = new Hash('sha256'); + break; + default: + $kexHash = new Hash('sha1'); + } + + /* To increase the speed of the key exchange, both client and server may + reduce the size of their private exponents. It should be at least + twice as long as the key material that is generated from the shared + secret. For more details, see the paper by van Oorschot and Wiener + [VAN-OORSCHOT]. + + -- http://tools.ietf.org/html/rfc4419#section-6.2 */ + $one = new BigInteger(1); + $keyLength = min($kexHash->getLength(), max($encryptKeyLength, $decryptKeyLength)); + $max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength + $max = $max->subtract($one); + + $x = $one->random($one, $max); + $e = $g->modPow($x, $prime); + + $eBytes = $e->toBytes(true); } - - // For both diffie-hellman-group1-sha1 and diffie-hellman-group14-sha1 - // the generator field element is 2 (decimal) and the hash function is sha1. - $g = new Math_BigInteger(2); - $prime = new Math_BigInteger($prime, 16); - $kexHash = new Crypt_Hash('sha1'); - //$q = $p->bitwise_rightShift(1); - - /* To increase the speed of the key exchange, both client and server may - reduce the size of their private exponents. It should be at least - twice as long as the key material that is generated from the shared - secret. For more details, see the paper by van Oorschot and Wiener - [VAN-OORSCHOT]. - - -- http://tools.ietf.org/html/rfc4419#section-6.2 */ - $one = new Math_BigInteger(1); - $keyLength = min($keyLength, $kexHash->getLength()); - $max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength - $max = $max->subtract($one); - - $x = $one->random($one, $max); - $e = $g->modPow($x, $prime); - - $eBytes = $e->toBytes(true); - $data = pack('CNa*', NET_SSH2_MSG_KEXDH_INIT, strlen($eBytes), $eBytes); + $data = pack('CNa*', $clientKexInitMessage, strlen($eBytes), $eBytes); if (!$this->_send_binary_packet($data)) { user_error('Connection closed by server'); @@ -1419,7 +1520,7 @@ class Net_SSH2 } extract(unpack('Ctype', $this->_string_shift($response, 1))); - if ($type != NET_SSH2_MSG_KEXDH_REPLY) { + if ($type != $serverKexReplyMessage) { user_error('Expected SSH_MSG_KEXDH_REPLY'); return false; } @@ -1432,7 +1533,6 @@ class Net_SSH2 $temp = unpack('Nlength', $this->_string_shift($response, 4)); $fBytes = $this->_string_shift($response, $temp['length']); - $f = new Math_BigInteger($fBytes, -256); $temp = unpack('Nlength', $this->_string_shift($response, 4)); $this->signature = $this->_string_shift($response, $temp['length']); @@ -1440,14 +1540,38 @@ class Net_SSH2 $temp = unpack('Nlength', $this->_string_shift($this->signature, 4)); $this->signature_format = $this->_string_shift($this->signature, $temp['length']); - $key = $f->modPow($x, $prime); + if ($kex_algorithm === 'curve25519-sha256@libssh.org') { + if (strlen($fBytes) !== 32) { + user_error('Received curve25519 public key of invalid length.'); + return false; + } + $key = new BigInteger(\Sodium\crypto_scalarmult($x, $fBytes), 256); + \Sodium\memzero($x); + } else { + $f = new BigInteger($fBytes, -256); + $key = $f->modPow($x, $prime); + } $keyBytes = $key->toBytes(true); - $this->exchange_hash = pack('Na*Na*Na*Na*Na*Na*Na*Na*', - strlen($this->identifier), $this->identifier, strlen($this->server_identifier), $this->server_identifier, - strlen($kexinit_payload_client), $kexinit_payload_client, strlen($kexinit_payload_server), - $kexinit_payload_server, strlen($this->server_public_host_key), $this->server_public_host_key, strlen($eBytes), - $eBytes, strlen($fBytes), $fBytes, strlen($keyBytes), $keyBytes + $this->exchange_hash = pack( + 'Na*Na*Na*Na*Na*a*Na*Na*Na*', + strlen($this->identifier), + $this->identifier, + strlen($this->server_identifier), + $this->server_identifier, + strlen($kexinit_payload_client), + $kexinit_payload_client, + strlen($kexinit_payload_server), + $kexinit_payload_server, + strlen($this->server_public_host_key), + $this->server_public_host_key, + $exchange_hash_rfc4419, + strlen($eBytes), + $eBytes, + strlen($fBytes), + $fBytes, + strlen($keyBytes), + $keyBytes ); $this->exchange_hash = $kexHash->hash($this->exchange_hash); @@ -1456,18 +1580,19 @@ class Net_SSH2 $this->session_id = $this->exchange_hash; } - for ($i = 0; $i < count($server_host_key_algorithms) && !in_array($server_host_key_algorithms[$i], $this->server_host_key_algorithms); $i++); - if ($i == count($server_host_key_algorithms)) { + $server_host_key_algorithm = $this->_array_intersect_first($server_host_key_algorithms, $this->server_host_key_algorithms); + if ($server_host_key_algorithm === false) { user_error('No compatible server host key algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - if ($public_key_format != $server_host_key_algorithms[$i] || $this->signature_format != $server_host_key_algorithms[$i]) { + if ($public_key_format != $server_host_key_algorithm || $this->signature_format != $server_host_key_algorithm) { user_error('Server Host Key Algorithm Mismatch'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - $packet = pack('C', + $packet = pack( + 'C', NET_SSH2_MSG_NEWKEYS ); @@ -1489,163 +1614,16 @@ class Net_SSH2 return false; } - switch ($encrypt) { - case '3des-cbc': - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $this->encrypt = new Crypt_TripleDES(); - // $this->encrypt_block_size = 64 / 8 == the default - break; - case '3des-ctr': - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $this->encrypt = new Crypt_TripleDES(CRYPT_DES_MODE_CTR); - // $this->encrypt_block_size = 64 / 8 == the default - break; - case 'aes256-cbc': - case 'aes192-cbc': - case 'aes128-cbc': - if (!class_exists('Crypt_Rijndael')) { - include_once 'Crypt/Rijndael.php'; - } - $this->encrypt = new Crypt_Rijndael(); - $this->encrypt_block_size = 16; // eg. 128 / 8 - break; - case 'aes256-ctr': - case 'aes192-ctr': - case 'aes128-ctr': - if (!class_exists('Crypt_Rijndael')) { - include_once 'Crypt/Rijndael.php'; - } - $this->encrypt = new Crypt_Rijndael(CRYPT_RIJNDAEL_MODE_CTR); - $this->encrypt_block_size = 16; // eg. 128 / 8 - break; - case 'blowfish-cbc': - if (!class_exists('Crypt_Blowfish')) { - include_once 'Crypt/Blowfish.php'; - } - $this->encrypt = new Crypt_Blowfish(); - $this->encrypt_block_size = 8; - break; - case 'blowfish-ctr': - if (!class_exists('Crypt_Blowfish')) { - include_once 'Crypt/Blowfish.php'; - } - $this->encrypt = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR); - $this->encrypt_block_size = 8; - break; - case 'twofish128-cbc': - case 'twofish192-cbc': - case 'twofish256-cbc': - case 'twofish-cbc': - if (!class_exists('Crypt_Twofish')) { - include_once 'Crypt/Twofish.php'; - } - $this->encrypt = new Crypt_Twofish(); - $this->encrypt_block_size = 16; - break; - case 'twofish128-ctr': - case 'twofish192-ctr': - case 'twofish256-ctr': - if (!class_exists('Crypt_Twofish')) { - include_once 'Crypt/Twofish.php'; - } - $this->encrypt = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR); - $this->encrypt_block_size = 16; - break; - case 'arcfour': - case 'arcfour128': - case 'arcfour256': - if (!class_exists('Crypt_RC4')) { - include_once 'Crypt/RC4.php'; - } - $this->encrypt = new Crypt_RC4(); - break; - case 'none'; - //$this->encrypt = new Crypt_Null(); - } - - switch ($decrypt) { - case '3des-cbc': - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $this->decrypt = new Crypt_TripleDES(); - break; - case '3des-ctr': - if (!class_exists('Crypt_TripleDES')) { - include_once 'Crypt/TripleDES.php'; - } - $this->decrypt = new Crypt_TripleDES(CRYPT_DES_MODE_CTR); - break; - case 'aes256-cbc': - case 'aes192-cbc': - case 'aes128-cbc': - if (!class_exists('Crypt_Rijndael')) { - include_once 'Crypt/Rijndael.php'; - } - $this->decrypt = new Crypt_Rijndael(); - $this->decrypt_block_size = 16; - break; - case 'aes256-ctr': - case 'aes192-ctr': - case 'aes128-ctr': - if (!class_exists('Crypt_Rijndael')) { - include_once 'Crypt/Rijndael.php'; - } - $this->decrypt = new Crypt_Rijndael(CRYPT_RIJNDAEL_MODE_CTR); - $this->decrypt_block_size = 16; - break; - case 'blowfish-cbc': - if (!class_exists('Crypt_Blowfish')) { - include_once 'Crypt/Blowfish.php'; - } - $this->decrypt = new Crypt_Blowfish(); - $this->decrypt_block_size = 8; - break; - case 'blowfish-ctr': - if (!class_exists('Crypt_Blowfish')) { - include_once 'Crypt/Blowfish.php'; - } - $this->decrypt = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR); - $this->decrypt_block_size = 8; - break; - case 'twofish128-cbc': - case 'twofish192-cbc': - case 'twofish256-cbc': - case 'twofish-cbc': - if (!class_exists('Crypt_Twofish')) { - include_once 'Crypt/Twofish.php'; - } - $this->decrypt = new Crypt_Twofish(); - $this->decrypt_block_size = 16; - break; - case 'twofish128-ctr': - case 'twofish192-ctr': - case 'twofish256-ctr': - if (!class_exists('Crypt_Twofish')) { - include_once 'Crypt/Twofish.php'; - } - $this->decrypt = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR); - $this->decrypt_block_size = 16; - break; - case 'arcfour': - case 'arcfour128': - case 'arcfour256': - if (!class_exists('Crypt_RC4')) { - include_once 'Crypt/RC4.php'; - } - $this->decrypt = new Crypt_RC4(); - break; - case 'none'; - //$this->decrypt = new Crypt_Null(); - } - $keyBytes = pack('Na*', strlen($keyBytes), $keyBytes); + $this->encrypt = $this->_encryption_algorithm_to_crypt_instance($encrypt); if ($this->encrypt) { + if ($this->crypto_engine) { + $this->encrypt->setEngine($this->crypto_engine); + } + if ($this->encrypt->block_size) { + $this->encrypt_block_size = $this->encrypt->block_size; + } $this->encrypt->enableContinuousBuffer(); $this->encrypt->disablePadding(); @@ -1662,7 +1640,14 @@ class Net_SSH2 $this->encrypt->setKey(substr($key, 0, $encryptKeyLength)); } + $this->decrypt = $this->_encryption_algorithm_to_crypt_instance($decrypt); if ($this->decrypt) { + if ($this->crypto_engine) { + $this->decrypt->setEngine($this->crypto_engine); + } + if ($this->decrypt->block_size) { + $this->decrypt_block_size = $this->decrypt->block_size; + } $this->decrypt->enableContinuousBuffer(); $this->decrypt->disablePadding(); @@ -1693,66 +1678,66 @@ class Net_SSH2 $this->decrypt->decrypt(str_repeat("\0", 1536)); } - for ($i = 0; $i < count($mac_algorithms) && !in_array($mac_algorithms[$i], $this->mac_algorithms_client_to_server); $i++); - if ($i == count($mac_algorithms)) { + $mac_algorithm = $this->_array_intersect_first($mac_algorithms, $this->mac_algorithms_client_to_server); + if ($mac_algorithm === false) { user_error('No compatible client to server message authentication algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - $createKeyLength = 0; // ie. $mac_algorithms[$i] == 'none' - switch ($mac_algorithms[$i]) { + $createKeyLength = 0; // ie. $mac_algorithm == 'none' + switch ($mac_algorithm) { case 'hmac-sha2-256': - $this->hmac_create = new Crypt_Hash('sha256'); + $this->hmac_create = new Hash('sha256'); $createKeyLength = 32; break; case 'hmac-sha1': - $this->hmac_create = new Crypt_Hash('sha1'); + $this->hmac_create = new Hash('sha1'); $createKeyLength = 20; break; case 'hmac-sha1-96': - $this->hmac_create = new Crypt_Hash('sha1-96'); + $this->hmac_create = new Hash('sha1-96'); $createKeyLength = 20; break; case 'hmac-md5': - $this->hmac_create = new Crypt_Hash('md5'); + $this->hmac_create = new Hash('md5'); $createKeyLength = 16; break; case 'hmac-md5-96': - $this->hmac_create = new Crypt_Hash('md5-96'); + $this->hmac_create = new Hash('md5-96'); $createKeyLength = 16; } - for ($i = 0; $i < count($mac_algorithms) && !in_array($mac_algorithms[$i], $this->mac_algorithms_server_to_client); $i++); - if ($i == count($mac_algorithms)) { + $mac_algorithm = $this->_array_intersect_first($mac_algorithms, $this->mac_algorithms_server_to_client); + if ($mac_algorithm === false) { user_error('No compatible server to client message authentication algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } $checkKeyLength = 0; $this->hmac_size = 0; - switch ($mac_algorithms[$i]) { + switch ($mac_algorithm) { case 'hmac-sha2-256': - $this->hmac_check = new Crypt_Hash('sha256'); + $this->hmac_check = new Hash('sha256'); $checkKeyLength = 32; $this->hmac_size = 32; break; case 'hmac-sha1': - $this->hmac_check = new Crypt_Hash('sha1'); + $this->hmac_check = new Hash('sha1'); $checkKeyLength = 20; $this->hmac_size = 20; break; case 'hmac-sha1-96': - $this->hmac_check = new Crypt_Hash('sha1-96'); + $this->hmac_check = new Hash('sha1-96'); $checkKeyLength = 20; $this->hmac_size = 12; break; case 'hmac-md5': - $this->hmac_check = new Crypt_Hash('md5'); + $this->hmac_check = new Hash('md5'); $checkKeyLength = 16; $this->hmac_size = 16; break; case 'hmac-md5-96': - $this->hmac_check = new Crypt_Hash('md5-96'); + $this->hmac_check = new Hash('md5-96'); $checkKeyLength = 16; $this->hmac_size = 12; } @@ -1769,33 +1754,116 @@ class Net_SSH2 } $this->hmac_check->setKey(substr($key, 0, $checkKeyLength)); - for ($i = 0; $i < count($compression_algorithms) && !in_array($compression_algorithms[$i], $this->compression_algorithms_server_to_client); $i++); - if ($i == count($compression_algorithms)) { + $compression_algorithm = $this->_array_intersect_first($compression_algorithms, $this->compression_algorithms_server_to_client); + if ($compression_algorithm === false) { user_error('No compatible server to client compression algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - $this->decompress = $compression_algorithms[$i] == 'zlib'; + $this->decompress = $compression_algorithm == 'zlib'; - for ($i = 0; $i < count($compression_algorithms) && !in_array($compression_algorithms[$i], $this->compression_algorithms_client_to_server); $i++); - if ($i == count($compression_algorithms)) { + $compression_algorithm = $this->_array_intersect_first($compression_algorithms, $this->compression_algorithms_client_to_server); + if ($compression_algorithm === false) { user_error('No compatible client to server compression algorithms found'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - $this->compress = $compression_algorithms[$i] == 'zlib'; + $this->compress = $compression_algorithm == 'zlib'; return true; } + /** + * Maps an encryption algorithm name to the number of key bytes. + * + * @param string $algorithm Name of the encryption algorithm + * @return int|null Number of bytes as an integer or null for unknown + * @access private + */ + function _encryption_algorithm_to_key_size($algorithm) + { + switch ($algorithm) { + case 'none': + return 0; + case 'aes128-cbc': + case 'aes128-ctr': + case 'arcfour': + case 'arcfour128': + case 'blowfish-cbc': + case 'blowfish-ctr': + case 'twofish128-cbc': + case 'twofish128-ctr': + return 16; + case '3des-cbc': + case '3des-ctr': + case 'aes192-cbc': + case 'aes192-ctr': + case 'twofish192-cbc': + case 'twofish192-ctr': + return 24; + case 'aes256-cbc': + case 'aes256-ctr': + case 'arcfour256': + case 'twofish-cbc': + case 'twofish256-cbc': + case 'twofish256-ctr': + return 32; + } + return null; + } + + /** + * Maps an encryption algorithm name to an instance of a subclass of + * \phpseclib\Crypt\Base. + * + * @param string $algorithm Name of the encryption algorithm + * @return mixed Instance of \phpseclib\Crypt\Base or null for unknown + * @access private + */ + function _encryption_algorithm_to_crypt_instance($algorithm) + { + switch ($algorithm) { + case '3des-cbc': + return new TripleDES(); + case '3des-ctr': + return new TripleDES(Base::MODE_CTR); + case 'aes256-cbc': + case 'aes192-cbc': + case 'aes128-cbc': + return new Rijndael(); + case 'aes256-ctr': + case 'aes192-ctr': + case 'aes128-ctr': + return new Rijndael(Base::MODE_CTR); + case 'blowfish-cbc': + return new Blowfish(); + case 'blowfish-ctr': + return new Blowfish(Base::MODE_CTR); + case 'twofish128-cbc': + case 'twofish192-cbc': + case 'twofish256-cbc': + case 'twofish-cbc': + return new Twofish(); + case 'twofish128-ctr': + case 'twofish192-ctr': + case 'twofish256-ctr': + return new Twofish(Base::MODE_CTR); + case 'arcfour': + case 'arcfour128': + case 'arcfour256': + return new RC4(); + } + return null; + } + /** * Login * - * The $password parameter can be a plaintext password, a Crypt_RSA object or an array + * The $password parameter can be a plaintext password, a \phpseclib\Crypt\RSA object or an array * - * @param String $username - * @param Mixed $password - * @param Mixed $... - * @return Boolean - * @see _login + * @param string $username + * @param mixed $password + * @param mixed $... + * @return bool + * @see self::_login() * @access public */ function login($username) @@ -1807,16 +1875,16 @@ class Net_SSH2 /** * Login Helper * - * @param String $username - * @param Mixed $password - * @param Mixed $... - * @return Boolean - * @see _login_helper + * @param string $username + * @param mixed $password + * @param mixed $... + * @return bool + * @see self::_login_helper() * @access private */ function _login($username) { - if (!($this->bitmap & NET_SSH2_MASK_CONSTRUCTOR)) { + if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { if (!$this->_connect()) { return false; } @@ -1838,22 +1906,25 @@ class Net_SSH2 /** * Login Helper * - * @param String $username - * @param optional String $password - * @return Boolean + * @param string $username + * @param string $password + * @return bool * @access private * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis} * by sending dummy SSH_MSG_IGNORE messages. */ function _login_helper($username, $password = null) { - if (!($this->bitmap & NET_SSH2_MASK_CONNECTED)) { + if (!($this->bitmap & self::MASK_CONNECTED)) { return false; } - if (!($this->bitmap & NET_SSH2_MASK_LOGIN_REQ)) { - $packet = pack('CNa*', - NET_SSH2_MSG_SERVICE_REQUEST, strlen('ssh-userauth'), 'ssh-userauth' + if (!($this->bitmap & self::MASK_LOGIN_REQ)) { + $packet = pack( + 'CNa*', + NET_SSH2_MSG_SERVICE_REQUEST, + strlen('ssh-userauth'), + 'ssh-userauth' ); if (!$this->_send_binary_packet($packet)) { @@ -1872,35 +1943,37 @@ class Net_SSH2 user_error('Expected SSH_MSG_SERVICE_ACCEPT'); return false; } - $this->bitmap |= NET_SSH2_MASK_LOGIN_REQ; + $this->bitmap |= self::MASK_LOGIN_REQ; } if (strlen($this->last_interactive_response)) { return !is_string($password) && !is_array($password) ? false : $this->_keyboard_interactive_process($password); } - // although PHP5's get_class() preserves the case, PHP4's does not - if (is_object($password)) { - switch (strtolower(get_class($password))) { - case 'crypt_rsa': - return $this->_privatekey_login($username, $password); - case 'system_ssh_agent': - return $this->_ssh_agent_login($username, $password); - } + if ($password instanceof RSA) { + return $this->_privatekey_login($username, $password); + } elseif ($password instanceof Agent) { + return $this->_ssh_agent_login($username, $password); } if (is_array($password)) { if ($this->_keyboard_interactive_login($username, $password)) { - $this->bitmap |= NET_SSH2_MASK_LOGIN; + $this->bitmap |= self::MASK_LOGIN; return true; } return false; } if (!isset($password)) { - $packet = pack('CNa*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection', - strlen('none'), 'none' + $packet = pack( + 'CNa*Na*Na*', + NET_SSH2_MSG_USERAUTH_REQUEST, + strlen($username), + $username, + strlen('ssh-connection'), + 'ssh-connection', + strlen('none'), + 'none' ); if (!$this->_send_binary_packet($packet)) { @@ -1917,7 +1990,7 @@ class Net_SSH2 switch ($type) { case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= NET_SSH2_MASK_LOGIN; + $this->bitmap |= self::MASK_LOGIN; return true; //case NET_SSH2_MSG_USERAUTH_FAILURE: default: @@ -1925,18 +1998,36 @@ class Net_SSH2 } } - $packet = pack('CNa*Na*Na*CNa*', - NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection', - strlen('password'), 'password', 0, strlen($password), $password + $packet = pack( + 'CNa*Na*Na*CNa*', + NET_SSH2_MSG_USERAUTH_REQUEST, + strlen($username), + $username, + strlen('ssh-connection'), + 'ssh-connection', + strlen('password'), + 'password', + 0, + strlen($password), + $password ); // remove the username and password from the logged packet if (!defined('NET_SSH2_LOGGING')) { $logged = null; } else { - $logged = pack('CNa*Na*Na*CNa*', - NET_SSH2_MSG_USERAUTH_REQUEST, strlen('username'), 'username', strlen('ssh-connection'), 'ssh-connection', - strlen('password'), 'password', 0, strlen('password'), 'password' + $logged = pack( + 'CNa*Na*Na*CNa*', + NET_SSH2_MSG_USERAUTH_REQUEST, + strlen('username'), + 'username', + strlen('ssh-connection'), + 'ssh-connection', + strlen('password'), + 'password', + 0, + strlen('password'), + 'password' ); } @@ -1970,14 +2061,14 @@ class Net_SSH2 if (!$partial_success && in_array('keyboard-interactive', $auth_methods)) { if ($this->_keyboard_interactive_login($username, $password)) { - $this->bitmap |= NET_SSH2_MASK_LOGIN; + $this->bitmap |= self::MASK_LOGIN; return true; } return false; } return false; case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= NET_SSH2_MASK_LOGIN; + $this->bitmap |= self::MASK_LOGIN; return true; } @@ -1989,16 +2080,26 @@ class Net_SSH2 * * See {@link http://tools.ietf.org/html/rfc4256 RFC4256} for details. This is not a full-featured keyboard-interactive authenticator. * - * @param String $username - * @param String $password - * @return Boolean + * @param string $username + * @param string $password + * @return bool * @access private */ function _keyboard_interactive_login($username, $password) { - $packet = pack('CNa*Na*Na*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection', - strlen('keyboard-interactive'), 'keyboard-interactive', 0, '', 0, '' + $packet = pack( + 'CNa*Na*Na*Na*Na*', + NET_SSH2_MSG_USERAUTH_REQUEST, + strlen($username), + $username, + strlen('ssh-connection'), + 'ssh-connection', + strlen('keyboard-interactive'), + 'keyboard-interactive', + 0, + '', + 0, + '' ); if (!$this->_send_binary_packet($packet)) { @@ -2011,8 +2112,8 @@ class Net_SSH2 /** * Handle the keyboard-interactive requests / responses. * - * @param String $responses... - * @return Boolean + * @param string $responses... + * @return bool * @access private */ function _keyboard_interactive_process() @@ -2069,7 +2170,7 @@ class Net_SSH2 // see http://tools.ietf.org/html/rfc4256#section-3.2 if (strlen($this->last_interactive_response)) { $this->last_interactive_response = ''; - } else if (defined('NET_SSH2_LOGGING')) { + } elseif (defined('NET_SSH2_LOGGING')) { $this->message_number_log[count($this->message_number_log) - 1] = str_replace( 'UNKNOWN', 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST', @@ -2097,7 +2198,7 @@ class Net_SSH2 return false; } - if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX) { + if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) { $this->message_number_log[count($this->message_number_log) - 1] = str_replace( 'UNKNOWN', 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE', @@ -2125,13 +2226,14 @@ class Net_SSH2 /** * Login with an ssh-agent provided key * - * @param String $username - * @param System_SSH_Agent $agent - * @return Boolean + * @param string $username + * @param \phpseclib\System\SSH\Agent $agent + * @return bool * @access private */ function _ssh_agent_login($username, $agent) { + $this->agent = $agent; $keys = $agent->requestIdentities(); foreach ($keys as $key) { if ($this->_privatekey_login($username, $key)) { @@ -2145,9 +2247,9 @@ class Net_SSH2 /** * Login with an RSA private key * - * @param String $username - * @param Crypt_RSA $password - * @return Boolean + * @param string $username + * @param \phpseclib\Crypt\RSA $password + * @return bool * @access private * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis} * by sending dummy SSH_MSG_IGNORE messages. @@ -2155,7 +2257,7 @@ class Net_SSH2 function _privatekey_login($username, $privatekey) { // see http://tools.ietf.org/html/rfc4253#page-15 - $publickey = $privatekey->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_RAW); + $publickey = $privatekey->getPublicKey(RSA::PUBLIC_FORMAT_RAW); if ($publickey === false) { return false; } @@ -2164,13 +2266,25 @@ class Net_SSH2 'e' => $publickey['e']->toBytes(true), 'n' => $publickey['n']->toBytes(true) ); - $publickey = pack('Na*Na*Na*', - strlen('ssh-rsa'), 'ssh-rsa', strlen($publickey['e']), $publickey['e'], strlen($publickey['n']), $publickey['n'] + $publickey = pack( + 'Na*Na*Na*', + strlen('ssh-rsa'), + 'ssh-rsa', + strlen($publickey['e']), + $publickey['e'], + strlen($publickey['n']), + $publickey['n'] ); - $part1 = pack('CNa*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, strlen($username), $username, strlen('ssh-connection'), 'ssh-connection', - strlen('publickey'), 'publickey' + $part1 = pack( + 'CNa*Na*Na*', + NET_SSH2_MSG_USERAUTH_REQUEST, + strlen($username), + $username, + strlen('ssh-connection'), + 'ssh-connection', + strlen('publickey'), + 'publickey' ); $part2 = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publickey), $publickey); @@ -2195,7 +2309,7 @@ class Net_SSH2 case NET_SSH2_MSG_USERAUTH_PK_OK: // we'll just take it on faith that the public key blob and the public key algorithm name are as // they should be - if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX) { + if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) { $this->message_number_log[count($this->message_number_log) - 1] = str_replace( 'UNKNOWN', 'NET_SSH2_MSG_USERAUTH_PK_OK', @@ -2205,7 +2319,7 @@ class Net_SSH2 } $packet = $part1 . chr(1) . $part2; - $privatekey->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1); + $privatekey->setSignatureMode(RSA::SIGNATURE_PKCS1); $signature = $privatekey->sign(pack('Na*a*', strlen($this->session_id), $this->session_id, $packet)); $signature = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($signature), $signature); $packet.= pack('Na*', strlen($signature), $signature); @@ -2227,7 +2341,7 @@ class Net_SSH2 // either the login is bad or the server employs multi-factor authentication return false; case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= NET_SSH2_MASK_LOGIN; + $this->bitmap |= self::MASK_LOGIN; return true; } @@ -2240,7 +2354,7 @@ class Net_SSH2 * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. * Setting $timeout to false or 0 will mean there is no timeout. * - * @param Mixed $timeout + * @param mixed $timeout * @access public */ function setTimeout($timeout) @@ -2261,12 +2375,12 @@ class Net_SSH2 /** * Execute Command * - * If $callback is set to false then Net_SSH2::_get_channel_packet(NET_SSH2_CHANNEL_EXEC) will need to be called manually. + * If $callback is set to false then \phpseclib\Net\SSH2::_get_channel_packet(self::CHANNEL_EXEC) will need to be called manually. * In all likelihood, this is not a feature you want to be taking advantage of. * - * @param String $command - * @param optional Callback $callback - * @return String + * @param string $command + * @param Callback $callback + * @return string * @access public */ function exec($command, $callback = null) @@ -2275,42 +2389,63 @@ class Net_SSH2 $this->is_timeout = false; $this->stdErrorLog = ''; - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { return false; } // RFC4254 defines the (client) window size as "bytes the other party can send before it must wait for the window to // be adjusted". 0x7FFFFFFF is, at 2GB, the max size. technically, it should probably be decremented, but, - // honestly, if you're transfering more than 2GB, you probably shouldn't be using phpseclib, anyway. + // honestly, if you're transferring more than 2GB, you probably shouldn't be using phpseclib, anyway. // see http://tools.ietf.org/html/rfc4254#section-5.2 for more info - $this->window_size_server_to_client[NET_SSH2_CHANNEL_EXEC] = $this->window_size; + $this->window_size_server_to_client[self::CHANNEL_EXEC] = $this->window_size; // 0x8000 is the maximum max packet size, per http://tools.ietf.org/html/rfc4253#section-6.1, although since PuTTy // uses 0x4000, that's what will be used here, as well. $packet_size = 0x4000; - $packet = pack('CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SSH2_CHANNEL_EXEC, $this->window_size_server_to_client[NET_SSH2_CHANNEL_EXEC], $packet_size); + $packet = pack( + 'CNa*N3', + NET_SSH2_MSG_CHANNEL_OPEN, + strlen('session'), + 'session', + self::CHANNEL_EXEC, + $this->window_size_server_to_client[self::CHANNEL_EXEC], + $packet_size + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_OPEN; + $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_OPEN; - $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_EXEC); + $response = $this->_get_channel_packet(self::CHANNEL_EXEC); if ($response === false) { return false; } if ($this->request_pty === true) { $terminal_modes = pack('C', NET_SSH2_TTY_OP_END); - $packet = pack('CNNa*CNa*N5a*', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_EXEC], strlen('pty-req'), 'pty-req', 1, strlen('vt100'), 'vt100', - $this->windowColumns, $this->windowRows, 0, 0, strlen($terminal_modes), $terminal_modes); + $packet = pack( + 'CNNa*CNa*N5a*', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL_EXEC], + strlen('pty-req'), + 'pty-req', + 1, + strlen('vt100'), + 'vt100', + $this->windowColumns, + $this->windowRows, + 0, + 0, + strlen($terminal_modes), + $terminal_modes + ); if (!$this->_send_binary_packet($packet)) { return false; } + $response = $this->_get_binary_packet(); if ($response === false) { user_error('Connection closed by server'); @@ -2331,7 +2466,7 @@ class Net_SSH2 } // sending a pty-req SSH_MSG_CHANNEL_REQUEST message is unnecessary and, in fact, in most cases, slows things - // down. the one place where it might be desirable is if you're doing something like Net_SSH2::exec('ping localhost &'). + // down. the one place where it might be desirable is if you're doing something like \phpseclib\Net\SSH2::exec('ping localhost &'). // with a pty-req SSH_MSG_CHANNEL_REQUEST, exec() will return immediately and the ping process will then // then immediately terminate. without such a request exec() will loop indefinitely. the ping process won't end but // neither will your script. @@ -2339,20 +2474,28 @@ class Net_SSH2 // although, in theory, the size of SSH_MSG_CHANNEL_REQUEST could exceed the maximum packet size established by // SSH_MSG_CHANNEL_OPEN_CONFIRMATION, RFC4254#section-5.1 states that the "maximum packet size" refers to the // "maximum size of an individual data packet". ie. SSH_MSG_CHANNEL_DATA. RFC4254#section-5.2 corroborates. - $packet = pack('CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_EXEC], strlen('exec'), 'exec', 1, strlen($command), $command); + $packet = pack( + 'CNNa*CNa*', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL_EXEC], + strlen('exec'), + 'exec', + 1, + strlen($command), + $command + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST; + $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST; - $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_EXEC); + $response = $this->_get_channel_packet(self::CHANNEL_EXEC); if ($response === false) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_DATA; + $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_DATA; if ($callback === false || $this->in_request_pty_exec) { return true; @@ -2360,7 +2503,7 @@ class Net_SSH2 $output = ''; while (true) { - $temp = $this->_get_channel_packet(NET_SSH2_CHANNEL_EXEC); + $temp = $this->_get_channel_packet(self::CHANNEL_EXEC); switch (true) { case $temp === true: return is_callable($callback) ? true : $output; @@ -2369,7 +2512,7 @@ class Net_SSH2 default: if (is_callable($callback)) { if (call_user_func($callback, $temp) === true) { - $this->_close_channel(NET_SSH2_CHANNEL_EXEC); + $this->_close_channel(self::CHANNEL_EXEC); return true; } } else { @@ -2382,9 +2525,9 @@ class Net_SSH2 /** * Creates an interactive shell * - * @see Net_SSH2::read() - * @see Net_SSH2::write() - * @return Boolean + * @see self::read() + * @see self::write() + * @return bool * @access private */ function _initShell() @@ -2393,27 +2536,47 @@ class Net_SSH2 return true; } - $this->window_size_server_to_client[NET_SSH2_CHANNEL_SHELL] = $this->window_size; + $this->window_size_server_to_client[self::CHANNEL_SHELL] = $this->window_size; $packet_size = 0x4000; - $packet = pack('CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SSH2_CHANNEL_SHELL, $this->window_size_server_to_client[NET_SSH2_CHANNEL_SHELL], $packet_size); + $packet = pack( + 'CNa*N3', + NET_SSH2_MSG_CHANNEL_OPEN, + strlen('session'), + 'session', + self::CHANNEL_SHELL, + $this->window_size_server_to_client[self::CHANNEL_SHELL], + $packet_size + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_OPEN; + $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_OPEN; - $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SHELL); + $response = $this->_get_channel_packet(self::CHANNEL_SHELL); if ($response === false) { return false; } $terminal_modes = pack('C', NET_SSH2_TTY_OP_END); - $packet = pack('CNNa*CNa*N5a*', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_SHELL], strlen('pty-req'), 'pty-req', 1, strlen('vt100'), 'vt100', - $this->windowColumns, $this->windowRows, 0, 0, strlen($terminal_modes), $terminal_modes); + $packet = pack( + 'CNNa*CNa*N5a*', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL_SHELL], + strlen('pty-req'), + 'pty-req', + 1, + strlen('vt100'), + 'vt100', + $this->windowColumns, + $this->windowRows, + 0, + 0, + strlen($terminal_modes), + $terminal_modes + ); if (!$this->_send_binary_packet($packet)) { return false; @@ -2437,22 +2600,28 @@ class Net_SSH2 return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); } - $packet = pack('CNNa*C', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_SHELL], strlen('shell'), 'shell', 1); + $packet = pack( + 'CNNa*C', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL_SHELL], + strlen('shell'), + 'shell', + 1 + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST; + $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST; - $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SHELL); + $response = $this->_get_channel_packet(self::CHANNEL_SHELL); if ($response === false) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA; + $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA; - $this->bitmap |= NET_SSH2_MASK_SHELL; + $this->bitmap |= self::MASK_SHELL; return true; } @@ -2460,46 +2629,64 @@ class Net_SSH2 /** * Return the channel to be used with read() / write() * - * @see Net_SSH2::read() - * @see Net_SSH2::write() - * @return Integer + * @see self::read() + * @see self::write() + * @return int * @access public */ function _get_interactive_channel() { switch (true) { case $this->in_subsystem: - return NET_SSH2_CHANNEL_SUBSYSTEM; + return self::CHANNEL_SUBSYSTEM; case $this->in_request_pty_exec: - return NET_SSH2_CHANNEL_EXEC; + return self::CHANNEL_EXEC; default: - return NET_SSH2_CHANNEL_SHELL; + return self::CHANNEL_SHELL; } } + /** + * Return an available open channel + * + * @return int + * @access public + */ + function _get_open_channel() + { + $channel = self::CHANNEL_EXEC; + do { + if (isset($this->channel_status[$channel]) && $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_OPEN) { + return $channel; + } + } while ($channel++ < self::CHANNEL_SUBSYSTEM); + + return false; + } + /** * Returns the output of an interactive shell * * Returns when there's a match for $expect, which can take the form of a string literal or, - * if $mode == NET_SSH2_READ_REGEX, a regular expression. + * if $mode == self::READ_REGEX, a regular expression. * - * @see Net_SSH2::write() - * @param String $expect - * @param Integer $mode - * @return String + * @see self::write() + * @param string $expect + * @param int $mode + * @return string * @access public */ - function read($expect = '', $mode = NET_SSH2_READ_SIMPLE) + function read($expect = '', $mode = self::READ_SIMPLE) { $this->curTimeout = $this->timeout; $this->is_timeout = false; - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { user_error('Operation disallowed prior to login()'); return false; } - if (!($this->bitmap & NET_SSH2_MASK_SHELL) && !$this->_initShell()) { + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { user_error('Unable to initiate an interactive shell session'); return false; } @@ -2508,8 +2695,8 @@ class Net_SSH2 $match = $expect; while (true) { - if ($mode == NET_SSH2_READ_REGEX) { - preg_match($expect, $this->interactiveBuffer, $matches); + if ($mode == self::READ_REGEX) { + preg_match($expect, substr($this->interactiveBuffer, -1024), $matches); $match = isset($matches[0]) ? $matches[0] : ''; } $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false; @@ -2529,19 +2716,19 @@ class Net_SSH2 /** * Inputs a command into an interactive shell. * - * @see Net_SSH2::read() - * @param String $cmd - * @return Boolean + * @see self::read() + * @param string $cmd + * @return bool * @access public */ function write($cmd) { - if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (!($this->bitmap & self::MASK_LOGIN)) { user_error('Operation disallowed prior to login()'); return false; } - if (!($this->bitmap & NET_SSH2_MASK_SHELL) && !$this->_initShell()) { + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { user_error('Unable to initiate an interactive shell session'); return false; } @@ -2558,46 +2745,61 @@ class Net_SSH2 * returns that and then that that was passed into stopSubsystem() but that'll be saved for a future date and implemented * if there's sufficient demand for such a feature. * - * @see Net_SSH2::stopSubsystem() - * @param String $subsystem - * @return Boolean + * @see self::stopSubsystem() + * @param string $subsystem + * @return bool * @access public */ function startSubsystem($subsystem) { - $this->window_size_server_to_client[NET_SSH2_CHANNEL_SUBSYSTEM] = $this->window_size; + $this->window_size_server_to_client[self::CHANNEL_SUBSYSTEM] = $this->window_size; - $packet = pack('CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SSH2_CHANNEL_SUBSYSTEM, $this->window_size, 0x4000); + $packet = pack( + 'CNa*N3', + NET_SSH2_MSG_CHANNEL_OPEN, + strlen('session'), + 'session', + self::CHANNEL_SUBSYSTEM, + $this->window_size, + 0x4000 + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_OPEN; + $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_OPEN; - $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SUBSYSTEM); + $response = $this->_get_channel_packet(self::CHANNEL_SUBSYSTEM); if ($response === false) { return false; } - $packet = pack('CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SSH2_CHANNEL_SUBSYSTEM], strlen('subsystem'), 'subsystem', 1, strlen($subsystem), $subsystem); + $packet = pack( + 'CNNa*CNa*', + NET_SSH2_MSG_CHANNEL_REQUEST, + $this->server_channels[self::CHANNEL_SUBSYSTEM], + strlen('subsystem'), + 'subsystem', + 1, + strlen($subsystem), + $subsystem + ); if (!$this->_send_binary_packet($packet)) { return false; } - $this->channel_status[NET_SSH2_CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_REQUEST; + $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_REQUEST; - $response = $this->_get_channel_packet(NET_SSH2_CHANNEL_SUBSYSTEM); + $response = $this->_get_channel_packet(self::CHANNEL_SUBSYSTEM); if ($response === false) { - return false; + return false; } - $this->channel_status[NET_SSH2_CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_DATA; + $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_DATA; - $this->bitmap |= NET_SSH2_MASK_SHELL; + $this->bitmap |= self::MASK_SHELL; $this->in_subsystem = true; return true; @@ -2606,14 +2808,14 @@ class Net_SSH2 /** * Stops a subsystem. * - * @see Net_SSH2::startSubsystem() - * @return Boolean + * @see self::startSubsystem() + * @return bool * @access public */ function stopSubsystem() { $this->in_subsystem = false; - $this->_close_channel(NET_SSH2_CHANNEL_SUBSYSTEM); + $this->_close_channel(self::CHANNEL_SUBSYSTEM); return true; } @@ -2670,12 +2872,23 @@ class Net_SSH2 /** * Is the connection still active? * - * @return boolean + * @return bool * @access public */ function isConnected() { - return (bool) ($this->bitmap & NET_SSH2_MASK_CONNECTED); + return (bool) ($this->bitmap & self::MASK_CONNECTED); + } + + /** + * Have you successfully been logged in? + * + * @return bool + * @access public + */ + function isAuthenticated() + { + return (bool) ($this->bitmap & self::MASK_LOGIN); } /** @@ -2683,8 +2896,8 @@ class Net_SSH2 * * See '6. Binary Packet Protocol' of rfc4253 for more info. * - * @see Net_SSH2::_send_binary_packet() - * @return String + * @see self::_send_binary_packet() + * @return string * @access private */ function _get_binary_packet() @@ -2695,8 +2908,8 @@ class Net_SSH2 return false; } - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $raw = fread($this->fsock, $this->decrypt_block_size); + $start = microtime(true); + $raw = stream_get_contents($this->fsock, $this->decrypt_block_size); if (!strlen($raw)) { return ''; @@ -2724,7 +2937,7 @@ class Net_SSH2 $buffer = ''; while ($remaining_length > 0) { - $temp = fread($this->fsock, $remaining_length); + $temp = stream_get_contents($this->fsock, $remaining_length); if ($temp === false || feof($this->fsock)) { user_error('Error reading from socket'); $this->bitmap = 0; @@ -2733,7 +2946,7 @@ class Net_SSH2 $buffer.= $temp; $remaining_length-= strlen($temp); } - $stop = strtok(microtime(), ' ') + strtok(''); + $stop = microtime(true); if (strlen($buffer)) { $raw.= $this->decrypt !== false ? $this->decrypt->decrypt($buffer) : $buffer; } @@ -2742,7 +2955,7 @@ class Net_SSH2 $padding = $this->_string_shift($raw, $padding_length); // should leave $raw empty if ($this->hmac_check !== false) { - $hmac = fread($this->fsock, $this->hmac_size); + $hmac = stream_get_contents($this->fsock, $this->hmac_size); if ($hmac === false || strlen($hmac) != $this->hmac_size) { user_error('Error reading socket'); $this->bitmap = 0; @@ -2760,7 +2973,7 @@ class Net_SSH2 $this->get_seq_no++; if (defined('NET_SSH2_LOGGING')) { - $current = strtok(microtime(), ' ') + strtok(''); + $current = microtime(true); $message_number = isset($this->message_numbers[ord($payload[0])]) ? $this->message_numbers[ord($payload[0])] : 'UNKNOWN (' . ord($payload[0]) . ')'; $message_number = '<- ' . $message_number . ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)'; @@ -2776,8 +2989,8 @@ class Net_SSH2 * * Because some binary packets need to be ignored... * - * @see Net_SSH2::_get_binary_packet() - * @return String + * @see self::_get_binary_packet() + * @return string * @access private */ function _filter($payload) @@ -2811,7 +3024,7 @@ class Net_SSH2 } // see http://tools.ietf.org/html/rfc4252#section-5.4; only called when the encryption has been activated and when we haven't already logged in - if (($this->bitmap & NET_SSH2_MASK_CONNECTED) && !($this->bitmap & NET_SSH2_MASK_LOGIN) && ord($payload[0]) == NET_SSH2_MSG_USERAUTH_BANNER) { + if (($this->bitmap & self::MASK_CONNECTED) && !($this->bitmap & self::MASK_LOGIN) && ord($payload[0]) == NET_SSH2_MSG_USERAUTH_BANNER) { $this->_string_shift($payload, 1); extract(unpack('Nlength', $this->_string_shift($payload, 4))); $this->banner_message = utf8_decode($this->_string_shift($payload, $length)); @@ -2819,12 +3032,11 @@ class Net_SSH2 } // only called when we've already logged in - if (($this->bitmap & NET_SSH2_MASK_CONNECTED) && ($this->bitmap & NET_SSH2_MASK_LOGIN)) { + if (($this->bitmap & self::MASK_CONNECTED) && ($this->bitmap & self::MASK_LOGIN)) { switch (ord($payload[0])) { case NET_SSH2_MSG_GLOBAL_REQUEST: // see http://tools.ietf.org/html/rfc4254#section-4 - $this->_string_shift($payload, 1); - extract(unpack('Nlength', $this->_string_shift($payload))); - $this->errors[] = 'SSH_MSG_GLOBAL_REQUEST: ' . utf8_decode($this->_string_shift($payload, $length)); + extract(unpack('Nlength', $this->_string_shift($payload, 4))); + $this->errors[] = 'SSH_MSG_GLOBAL_REQUEST: ' . $this->_string_shift($payload, $length); if (!$this->_send_binary_packet(pack('C', NET_SSH2_MSG_REQUEST_FAILURE))) { return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); @@ -2835,18 +3047,55 @@ class Net_SSH2 case NET_SSH2_MSG_CHANNEL_OPEN: // see http://tools.ietf.org/html/rfc4254#section-5.1 $this->_string_shift($payload, 1); extract(unpack('Nlength', $this->_string_shift($payload, 4))); - $this->errors[] = 'SSH_MSG_CHANNEL_OPEN: ' . utf8_decode($this->_string_shift($payload, $length)); - - $this->_string_shift($payload, 4); // skip over client channel + $data = $this->_string_shift($payload, $length); extract(unpack('Nserver_channel', $this->_string_shift($payload, 4))); + switch ($data) { + case 'auth-agent': + case 'auth-agent@openssh.com': + if (isset($this->agent)) { + $new_channel = self::CHANNEL_AGENT_FORWARD; - $packet = pack('CN3a*Na*', - NET_SSH2_MSG_REQUEST_FAILURE, $server_channel, NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED, 0, '', 0, ''); + extract(unpack('Nremote_window_size', $this->_string_shift($payload, 4))); + extract(unpack('Nremote_maximum_packet_size', $this->_string_shift($payload, 4))); - if (!$this->_send_binary_packet($packet)) { - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); + $this->packet_size_client_to_server[$new_channel] = $remote_window_size; + $this->window_size_server_to_client[$new_channel] = $remote_maximum_packet_size; + $this->window_size_client_to_server[$new_channel] = $this->window_size; + + $packet_size = 0x4000; + + $packet = pack( + 'CN4', + NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION, + $server_channel, + $new_channel, + $packet_size, + $packet_size + ); + + $this->server_channels[$new_channel] = $server_channel; + $this->channel_status[$new_channel] = NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION; + if (!$this->_send_binary_packet($packet)) { + return false; + } + } + break; + default: + $packet = pack( + 'CN3a*Na*', + NET_SSH2_MSG_REQUEST_FAILURE, + $server_channel, + NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED, + 0, + '', + 0, + '' + ); + + if (!$this->_send_binary_packet($packet)) { + return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); + } } - $payload = $this->_get_binary_packet(); break; case NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST: @@ -2855,7 +3104,7 @@ class Net_SSH2 extract(unpack('Nwindow_size', $this->_string_shift($payload, 4))); $this->window_size_client_to_server[$channel]+= $window_size; - $payload = ($this->bitmap & NET_SSH2_MASK_WINDOW_ADJUST) ? true : $this->_get_binary_packet(); + $payload = ($this->bitmap & self::MASK_WINDOW_ADJUST) ? true : $this->_get_binary_packet(); } } @@ -2889,11 +3138,10 @@ class Net_SSH2 /** * Returns whether Quiet Mode is enabled or not * - * @see Net_SSH2::enableQuietMode() - * @see Net_SSH2::disableQuietMode() - * + * @see self::enableQuietMode() + * @see self::disableQuietMode() * @access public - * @return boolean + * @return bool */ function isQuietModeEnabled() { @@ -2923,11 +3171,10 @@ class Net_SSH2 /** * Returns whether request-pty is enabled or not * - * @see Net_SSH2::enablePTY() - * @see Net_SSH2::disablePTY() - * + * @see self::enablePTY() + * @see self::disablePTY() * @access public - * @return boolean + * @return bool */ function isPTYEnabled() { @@ -2940,7 +3187,7 @@ class Net_SSH2 * Returns the data as a string if it's available and false if not. * * @param $client_channel - * @return Mixed + * @return mixed * @access private */ function _get_channel_packet($client_channel, $skip_extended = false) @@ -2959,7 +3206,7 @@ class Net_SSH2 $read = array($this->fsock); $write = $except = null; - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 + $start = microtime(true); $sec = floor($this->curTimeout); $usec = 1000000 * ($this->curTimeout - $sec); // on windows this returns a "Warning: Invalid CRT parameters detected" error @@ -2967,7 +3214,7 @@ class Net_SSH2 $this->is_timeout = true; return true; } - $elapsed = strtok(microtime(), ' ') + strtok('') - $start; + $elapsed = microtime(true) - $start; $this->curTimeout-= $elapsed; } @@ -2983,48 +3230,63 @@ class Net_SSH2 return ''; } - extract(unpack('Ctype/Nchannel', $this->_string_shift($response, 5))); + extract(unpack('Ctype', $this->_string_shift($response, 1))); - $this->window_size_server_to_client[$channel]-= strlen($response); - - // resize the window, if appropriate - if ($this->window_size_server_to_client[$channel] < 0) { - $packet = pack('CNN', NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST, $this->server_channels[$channel], $this->window_size); - if (!$this->_send_binary_packet($packet)) { - return false; - } - $this->window_size_server_to_client[$channel]+= $this->window_size; + if ($type == NET_SSH2_MSG_CHANNEL_OPEN) { + extract(unpack('Nlength', $this->_string_shift($response, 4))); + } else { + extract(unpack('Nchannel', $this->_string_shift($response, 4))); } - switch ($this->channel_status[$channel]) { - case NET_SSH2_MSG_CHANNEL_OPEN: - switch ($type) { - case NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION: - extract(unpack('Nserver_channel', $this->_string_shift($response, 4))); - $this->server_channels[$channel] = $server_channel; - extract(unpack('Nwindow_size', $this->_string_shift($response, 4))); - $this->window_size_client_to_server[$channel] = $window_size; - $temp = unpack('Npacket_size_client_to_server', $this->_string_shift($response, 4)); - $this->packet_size_client_to_server[$channel] = $temp['packet_size_client_to_server']; - return $client_channel == $channel ? true : $this->_get_channel_packet($client_channel, $skip_extended); - //case NET_SSH2_MSG_CHANNEL_OPEN_FAILURE: - default: - user_error('Unable to open channel'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); + // will not be setup yet on incoming channel open request + if (isset($channel) && isset($this->channel_status[$channel]) && isset($this->window_size_server_to_client[$channel])) { + $this->window_size_server_to_client[$channel]-= strlen($response); + + // resize the window, if appropriate + if ($this->window_size_server_to_client[$channel] < 0) { + $packet = pack('CNN', NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST, $this->server_channels[$channel], $this->window_size); + if (!$this->_send_binary_packet($packet)) { + return false; } - break; - case NET_SSH2_MSG_CHANNEL_REQUEST: - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - return true; - case NET_SSH2_MSG_CHANNEL_FAILURE: - return false; - default: - user_error('Unable to fulfill channel request'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - case NET_SSH2_MSG_CHANNEL_CLOSE: - return $type == NET_SSH2_MSG_CHANNEL_CLOSE ? true : $this->_get_channel_packet($client_channel, $skip_extended); + $this->window_size_server_to_client[$channel]+= $this->window_size; + } + + switch ($this->channel_status[$channel]) { + case NET_SSH2_MSG_CHANNEL_OPEN: + switch ($type) { + case NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION: + extract(unpack('Nserver_channel', $this->_string_shift($response, 4))); + $this->server_channels[$channel] = $server_channel; + extract(unpack('Nwindow_size', $this->_string_shift($response, 4))); + if ($window_size < 0) { + $window_size&= 0x7FFFFFFF; + $window_size+= 0x80000000; + } + $this->window_size_client_to_server[$channel] = $window_size; + $temp = unpack('Npacket_size_client_to_server', $this->_string_shift($response, 4)); + $this->packet_size_client_to_server[$channel] = $temp['packet_size_client_to_server']; + $result = $client_channel == $channel ? true : $this->_get_channel_packet($client_channel, $skip_extended); + $this->_on_channel_open(); + return $result; + //case NET_SSH2_MSG_CHANNEL_OPEN_FAILURE: + default: + user_error('Unable to open channel'); + return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); + } + break; + case NET_SSH2_MSG_CHANNEL_REQUEST: + switch ($type) { + case NET_SSH2_MSG_CHANNEL_SUCCESS: + return true; + case NET_SSH2_MSG_CHANNEL_FAILURE: + return false; + default: + user_error('Unable to fulfill channel request'); + return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); + } + case NET_SSH2_MSG_CHANNEL_CLOSE: + return $type == NET_SSH2_MSG_CHANNEL_CLOSE ? true : $this->_get_channel_packet($client_channel, $skip_extended); + } } // ie. $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA @@ -3032,7 +3294,7 @@ class Net_SSH2 switch ($type) { case NET_SSH2_MSG_CHANNEL_DATA: /* - if ($channel == NET_SSH2_CHANNEL_EXEC) { + if ($channel == self::CHANNEL_EXEC) { // SCP requires null packets, such as this, be sent. further, in the case of the ssh.com SSH server // this actually seems to make things twice as fast. more to the point, the message right after // SSH_MSG_CHANNEL_DATA (usually SSH_MSG_IGNORE) won't block for as long as it would have otherwise. @@ -3042,6 +3304,15 @@ class Net_SSH2 */ extract(unpack('Nlength', $this->_string_shift($response, 4))); $data = $this->_string_shift($response, $length); + + if ($channel == self::CHANNEL_AGENT_FORWARD) { + $agent_response = $this->agent->_forward_data($data); + if (!is_bool($agent_response)) { + $this->_send_channel_packet($channel, $agent_response); + } + break; + } + if ($client_channel == $channel) { return $data; } @@ -3052,7 +3323,7 @@ class Net_SSH2 break; case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA: /* - if ($client_channel == NET_SSH2_CHANNEL_EXEC) { + if ($client_channel == self::CHANNEL_EXEC) { $this->_send_channel_packet($client_channel, chr(0)); } */ @@ -3108,15 +3379,17 @@ class Net_SSH2 case NET_SSH2_MSG_CHANNEL_CLOSE: $this->curTimeout = 0; - if ($this->bitmap & NET_SSH2_MASK_SHELL) { - $this->bitmap&= ~NET_SSH2_MASK_SHELL; + if ($this->bitmap & self::MASK_SHELL) { + $this->bitmap&= ~self::MASK_SHELL; } if ($this->channel_status[$channel] != NET_SSH2_MSG_CHANNEL_EOF) { $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel])); } $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_CLOSE; - return true; + if ($client_channel == $channel) { + return true; + } case NET_SSH2_MSG_CHANNEL_EOF: break; default: @@ -3131,10 +3404,10 @@ class Net_SSH2 * * See '6. Binary Packet Protocol' of rfc4253 for more info. * - * @param String $data - * @param optional String $logged - * @see Net_SSH2::_get_binary_packet() - * @return Boolean + * @param string $data + * @param string $logged + * @see self::_get_binary_packet() + * @return bool * @access private */ function _send_binary_packet($data, $logged = null) @@ -3157,7 +3430,7 @@ class Net_SSH2 $packet_length+= (($this->encrypt_block_size - 1) * $packet_length) % $this->encrypt_block_size; // subtracting strlen($data) is obvious - subtracting 5 is necessary because of packet_length and padding_length $padding_length = $packet_length - strlen($data) - 5; - $padding = crypt_random_string($padding_length); + $padding = Random::string($padding_length); // we subtract 4 from packet_length because the packet_length field isn't supposed to include itself $packet = pack('NCa*', $packet_length - 4, $padding_length, $data . $padding); @@ -3171,12 +3444,12 @@ class Net_SSH2 $packet.= $hmac; - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 + $start = microtime(true); $result = strlen($packet) == fputs($this->fsock, $packet); - $stop = strtok(microtime(), ' ') + strtok(''); + $stop = microtime(true); if (defined('NET_SSH2_LOGGING')) { - $current = strtok(microtime(), ' ') + strtok(''); + $current = microtime(true); $message_number = isset($this->message_numbers[ord($data[0])]) ? $this->message_numbers[ord($data[0])] : 'UNKNOWN (' . ord($data[0]) . ')'; $message_number = '-> ' . $message_number . ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)'; @@ -3192,7 +3465,7 @@ class Net_SSH2 * * Makes sure that only the last 1MB worth of packets will be logged * - * @param String $data + * @param string $data * @access private */ function _append_log($message_number, $message) @@ -3204,15 +3477,15 @@ class Net_SSH2 switch (NET_SSH2_LOGGING) { // useful for benchmarks - case NET_SSH2_LOG_SIMPLE: + case self::LOG_SIMPLE: $this->message_number_log[] = $message_number; break; // the most useful log for SSH2 - case NET_SSH2_LOG_COMPLEX: + case self::LOG_COMPLEX: $this->message_number_log[] = $message_number; $this->log_size+= strlen($message); $this->message_log[] = $message; - while ($this->log_size > NET_SSH2_LOG_MAX_SIZE) { + while ($this->log_size > self::LOG_MAX_SIZE) { $this->log_size-= strlen(array_shift($this->message_log)); array_shift($this->message_number_log); } @@ -3220,7 +3493,7 @@ class Net_SSH2 // dump the output out realtime; packets may be interspersed with non packets, // passwords won't be filtered out and select other packets may not be correctly // identified - case NET_SSH2_LOG_REALTIME: + case self::LOG_REALTIME: switch (PHP_SAPI) { case 'cli': $start = $stop = "\r\n"; @@ -3233,14 +3506,14 @@ class Net_SSH2 @flush(); @ob_flush(); break; - // basically the same thing as NET_SSH2_LOG_REALTIME with the caveat that NET_SSH2_LOG_REALTIME_FILE - // needs to be defined and that the resultant log file will be capped out at NET_SSH2_LOG_MAX_SIZE. + // basically the same thing as self::LOG_REALTIME with the caveat that self::LOG_REALTIME_FILE + // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily // at the beginning of the file - case NET_SSH2_LOG_REALTIME_FILE: + case self::LOG_REALTIME_FILE: if (!isset($this->realtime_log_file)) { // PHP doesn't seem to like using constants in fopen() - $filename = NET_SSH2_LOG_REALTIME_FILENAME; + $filename = self::LOG_REALTIME_FILENAME; $fp = fopen($filename, 'w'); $this->realtime_log_file = $fp; } @@ -3254,7 +3527,7 @@ class Net_SSH2 fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); } $this->realtime_log_size+= strlen($entry); - if ($this->realtime_log_size > NET_SSH2_LOG_MAX_SIZE) { + if ($this->realtime_log_size > self::LOG_MAX_SIZE) { fseek($this->realtime_log_file, 0); $this->realtime_log_size = strlen($entry); $this->realtime_log_wrap = true; @@ -3268,19 +3541,19 @@ class Net_SSH2 * * Spans multiple SSH_MSG_CHANNEL_DATAs if appropriate * - * @param Integer $client_channel - * @param String $data - * @return Boolean + * @param int $client_channel + * @param string $data + * @return bool * @access private */ function _send_channel_packet($client_channel, $data) { while (strlen($data)) { if (!$this->window_size_client_to_server[$client_channel]) { - $this->bitmap^= NET_SSH2_MASK_WINDOW_ADJUST; + $this->bitmap^= self::MASK_WINDOW_ADJUST; // using an invalid channel will let the buffers be built up for the valid channels $this->_get_channel_packet(-1); - $this->bitmap^= NET_SSH2_MASK_WINDOW_ADJUST; + $this->bitmap^= self::MASK_WINDOW_ADJUST; } /* The maximum amount of data allowed is determined by the maximum @@ -3293,7 +3566,8 @@ class Net_SSH2 ); $temp = $this->_string_shift($data, $max_size); - $packet = pack('CN2a*', + $packet = pack( + 'CN2a*', NET_SSH2_MSG_CHANNEL_DATA, $this->server_channels[$client_channel], strlen($temp), @@ -3311,13 +3585,13 @@ class Net_SSH2 /** * Closes and flushes a channel * - * Net_SSH2 doesn't properly close most channels. For exec() channels are normally closed by the server + * \phpseclib\Net\SSH2 doesn't properly close most channels. For exec() channels are normally closed by the server * and for SFTP channels are presumably closed when the client disconnects. This functions is intended * for SCP more than anything. * - * @param Integer $client_channel - * @param Boolean $want_reply - * @return Boolean + * @param int $client_channel + * @param bool $want_reply + * @return bool * @access private */ function _close_channel($client_channel, $want_reply = false) @@ -3334,27 +3608,28 @@ class Net_SSH2 $this->curTimeout = 0; - while (!is_bool($this->_get_channel_packet($client_channel))); + while (!is_bool($this->_get_channel_packet($client_channel))) { + } if ($want_reply) { $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel])); } - if ($this->bitmap & NET_SSH2_MASK_SHELL) { - $this->bitmap&= ~NET_SSH2_MASK_SHELL; + if ($this->bitmap & self::MASK_SHELL) { + $this->bitmap&= ~self::MASK_SHELL; } } /** * Disconnect * - * @param Integer $reason - * @return Boolean + * @param int $reason + * @return bool * @access private */ function _disconnect($reason) { - if ($this->bitmap & NET_SSH2_MASK_CONNECTED) { + if ($this->bitmap & self::MASK_CONNECTED) { $data = pack('CNNa*Na*', NET_SSH2_MSG_DISCONNECT, $reason, 0, '', 0, ''); $this->_send_binary_packet($data); $this->bitmap = 0; @@ -3368,9 +3643,9 @@ class Net_SSH2 * * Inspired by array_shift * - * @param String $string - * @param optional Integer $index - * @return String + * @param string $string + * @param int $index + * @return string * @access private */ function _string_shift(&$string, $index = 1) @@ -3387,14 +3662,14 @@ class Net_SSH2 * named constants from it, using the value as the name of the constant and the index as the value of the constant. * If any of the constants that would be defined already exists, none of the constants will be defined. * - * @param Array $array + * @param array $array * @access private */ function _define_array() { $args = func_get_args(); foreach ($args as $arg) { - foreach ($arg as $key=>$value) { + foreach ($arg as $key => $value) { if (!defined($value)) { define($value, $key); } else { @@ -3407,10 +3682,10 @@ class Net_SSH2 /** * Returns a log of the packets that have been sent and received. * - * Returns a string if NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX, an array if NET_SSH2_LOGGING == NET_SSH2_LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING') + * Returns a string if NET_SSH2_LOGGING == self::LOG_COMPLEX, an array if NET_SSH2_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING') * * @access public - * @return String or Array + * @return array|false|string */ function getLog() { @@ -3419,10 +3694,10 @@ class Net_SSH2 } switch (NET_SSH2_LOGGING) { - case NET_SSH2_LOG_SIMPLE: + case self::LOG_SIMPLE: return $this->message_number_log; break; - case NET_SSH2_LOG_COMPLEX: + case self::LOG_COMPLEX: return $this->_format_log($this->message_log, $this->message_number_log); break; default: @@ -3433,10 +3708,10 @@ class Net_SSH2 /** * Formats a log for printing * - * @param Array $message_log - * @param Array $message_number_log + * @param array $message_log + * @param array $message_number_log * @access private - * @return String + * @return string */ function _format_log($message_log, $message_number_log) { @@ -3469,19 +3744,54 @@ class Net_SSH2 * * For use with preg_replace_callback() * - * @param Array $matches + * @param array $matches * @access private - * @return String + * @return string */ function _format_log_helper($matches) { return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT); } + /** + * Helper function for agent->_on_channel_open() + * + * Used when channels are created to inform agent + * of said channel opening. Must be called after + * channel open confirmation received + * + * @access private + */ + function _on_channel_open() + { + if (isset($this->agent)) { + $this->agent->_on_channel_open($this); + } + } + + /** + * Returns the first value of the intersection of two arrays or false if + * the intersection is empty. The order is defined by the first parameter. + * + * @param array $array1 + * @param array $array2 + * @return mixed False if intersection is empty, else intersected value. + * @access private + */ + function _array_intersect_first($array1, $array2) + { + foreach ($array1 as $value) { + if (in_array($value, $array2)) { + return $value; + } + } + return false; + } + /** * Returns all errors * - * @return String + * @return string[] * @access public */ function getErrors() @@ -3492,18 +3802,22 @@ class Net_SSH2 /** * Returns the last error * - * @return String + * @return string * @access public */ function getLastError() { - return $this->errors[count($this->errors) - 1]; + $count = count($this->errors); + + if ($count > 0) { + return $this->errors[$count - 1]; + } } /** * Return the server identification. * - * @return String + * @return string * @access public */ function getServerIdentification() @@ -3516,7 +3830,7 @@ class Net_SSH2 /** * Return a list of the key exchange algorithms the server supports. * - * @return Array + * @return array * @access public */ function getKexAlgorithms() @@ -3529,7 +3843,7 @@ class Net_SSH2 /** * Return a list of the host key (public key) algorithms the server supports. * - * @return Array + * @return array * @access public */ function getServerHostKeyAlgorithms() @@ -3542,7 +3856,7 @@ class Net_SSH2 /** * Return a list of the (symmetric key) encryption algorithms the server supports, when receiving stuff from the client. * - * @return Array + * @return array * @access public */ function getEncryptionAlgorithmsClient2Server() @@ -3555,7 +3869,7 @@ class Net_SSH2 /** * Return a list of the (symmetric key) encryption algorithms the server supports, when sending stuff to the client. * - * @return Array + * @return array * @access public */ function getEncryptionAlgorithmsServer2Client() @@ -3568,7 +3882,7 @@ class Net_SSH2 /** * Return a list of the MAC algorithms the server supports, when receiving stuff from the client. * - * @return Array + * @return array * @access public */ function getMACAlgorithmsClient2Server() @@ -3581,7 +3895,7 @@ class Net_SSH2 /** * Return a list of the MAC algorithms the server supports, when sending stuff to the client. * - * @return Array + * @return array * @access public */ function getMACAlgorithmsServer2Client() @@ -3594,7 +3908,7 @@ class Net_SSH2 /** * Return a list of the compression algorithms the server supports, when receiving stuff from the client. * - * @return Array + * @return array * @access public */ function getCompressionAlgorithmsClient2Server() @@ -3607,7 +3921,7 @@ class Net_SSH2 /** * Return a list of the compression algorithms the server supports, when sending stuff to the client. * - * @return Array + * @return array * @access public */ function getCompressionAlgorithmsServer2Client() @@ -3620,7 +3934,7 @@ class Net_SSH2 /** * Return a list of the languages the server supports, when sending stuff to the client. * - * @return Array + * @return array * @access public */ function getLanguagesServer2Client() @@ -3633,7 +3947,7 @@ class Net_SSH2 /** * Return a list of the languages the server supports, when receiving stuff from the client. * - * @return Array + * @return array * @access public */ function getLanguagesClient2Server() @@ -3649,7 +3963,7 @@ class Net_SSH2 * Quoting from the RFC, "in some jurisdictions, sending a warning message before * authentication may be relevant for getting legal protection." * - * @return String + * @return string * @access public */ function getBannerMessage() @@ -3663,12 +3977,12 @@ class Net_SSH2 * Caching this the first time you connect to a server and checking the result on subsequent connections * is recommended. Returns false if the server signature is not signed correctly with the public host key. * - * @return Mixed + * @return mixed * @access public */ function getServerPublicHostKey() { - if (!($this->bitmap & NET_SSH2_MASK_CONSTRUCTOR)) { + if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { if (!$this->_connect()) { return false; } @@ -3690,19 +4004,19 @@ class Net_SSH2 switch ($this->signature_format) { case 'ssh-dss': - $zero = new Math_BigInteger(); + $zero = new BigInteger(); $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $p = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); + $p = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $q = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); + $q = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $g = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); + $g = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $y = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); + $y = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); /* The value for 'dss_signature_blob' is encoded as a string containing r, followed by s (which are 160-bit integers, without lengths or @@ -3713,8 +4027,8 @@ class Net_SSH2 return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } - $r = new Math_BigInteger($this->_string_shift($signature, 20), 256); - $s = new Math_BigInteger($this->_string_shift($signature, 20), 256); + $r = new BigInteger($this->_string_shift($signature, 20), 256); + $s = new BigInteger($this->_string_shift($signature, 20), 256); switch (true) { case $r->equals($zero): @@ -3727,7 +4041,7 @@ class Net_SSH2 $w = $s->modInverse($q); - $u1 = $w->multiply(new Math_BigInteger(sha1($this->exchange_hash), 16)); + $u1 = $w->multiply(new BigInteger(sha1($this->exchange_hash), 16)); list(, $u1) = $u1->divide($q); $u2 = $w->multiply($r); @@ -3748,24 +4062,20 @@ class Net_SSH2 break; case 'ssh-rsa': $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $e = new Math_BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); + $e = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); $rawN = $this->_string_shift($server_public_host_key, $temp['length']); - $n = new Math_BigInteger($rawN, -256); + $n = new BigInteger($rawN, -256); $nLength = strlen(ltrim($rawN, "\0")); /* $temp = unpack('Nlength', $this->_string_shift($signature, 4)); $signature = $this->_string_shift($signature, $temp['length']); - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - - $rsa = new Crypt_RSA(); - $rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1); - $rsa->loadKey(array('e' => $e, 'n' => $n), CRYPT_RSA_PUBLIC_FORMAT_RAW); + $rsa = new RSA(); + $rsa->setSignatureMode(RSA::SIGNATURE_PKCS1); + $rsa->loadKey(array('e' => $e, 'n' => $n), RSA::PUBLIC_FORMAT_RAW); if (!$rsa->verify($this->exchange_hash, $signature)) { user_error('Bad server signature'); return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); @@ -3773,7 +4083,7 @@ class Net_SSH2 */ $temp = unpack('Nlength', $this->_string_shift($signature, 4)); - $s = new Math_BigInteger($this->_string_shift($signature, $temp['length']), 256); + $s = new BigInteger($this->_string_shift($signature, $temp['length']), 256); // validate an RSA signature per "8.2 RSASSA-PKCS1-v1_5", "5.2.2 RSAVP1", and "9.1 EMSA-PSS" in the // following URL: @@ -3781,7 +4091,7 @@ class Net_SSH2 // also, see SSHRSA.c (rsa2_verifysig) in PuTTy's source. - if ($s->compare(new Math_BigInteger()) < 0 || $s->compare($n->subtract(new Math_BigInteger(1))) > 0) { + if ($s->compare(new BigInteger()) < 0 || $s->compare($n->subtract(new BigInteger(1))) > 0) { user_error('Invalid signature'); return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); } @@ -3808,7 +4118,7 @@ class Net_SSH2 /** * Returns the exit status of an SSH command or false. * - * @return Integer or false + * @return false|int * @access public */ function getExitStatus() @@ -3822,7 +4132,7 @@ class Net_SSH2 /** * Returns the number of columns for the terminal window size. * - * @return Integer + * @return int * @access public */ function getWindowColumns() @@ -3833,7 +4143,7 @@ class Net_SSH2 /** * Returns the number of rows for the terminal window size. * - * @return Integer + * @return int * @access public */ function getWindowRows() @@ -3844,7 +4154,7 @@ class Net_SSH2 /** * Sets the number of columns for the terminal window size. * - * @param Integer $value + * @param int $value * @access public */ function setWindowColumns($value) @@ -3855,7 +4165,7 @@ class Net_SSH2 /** * Sets the number of rows for the terminal window size. * - * @param Integer $value + * @param int $value * @access public */ function setWindowRows($value) @@ -3866,8 +4176,8 @@ class Net_SSH2 /** * Sets the number of columns and rows for the terminal window size. * - * @param Integer $columns - * @param Integer $rows + * @param int $columns + * @param int $rows * @access public */ function setWindowSize($columns = 80, $rows = 24) diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent.php index 4c0ef733d..a4ff0549d 100644 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent.php +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent.php @@ -1,18 +1,18 @@ * login('username', $agent)) { * exit('Login Failed'); * } @@ -22,26 +22,8 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category System - * @package System_SSH_Agent + * @package SSH\Agent * @author Jim Wigginton * @copyright 2014 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License @@ -49,189 +31,93 @@ * @internal See http://api.libssh.org/rfc/PROTOCOL.agent */ -/**#@+ - * Message numbers - * - * @access private - */ -// to request SSH1 keys you have to use SSH_AGENTC_REQUEST_RSA_IDENTITIES (1) -define('SYSTEM_SSH_AGENTC_REQUEST_IDENTITIES', 11); -// this is the SSH2 response; the SSH1 response is SSH_AGENT_RSA_IDENTITIES_ANSWER (2). -define('SYSTEM_SSH_AGENT_IDENTITIES_ANSWER', 12); -define('SYSTEM_SSH_AGENT_FAILURE', 5); -// the SSH1 request is SSH_AGENTC_RSA_CHALLENGE (3) -define('SYSTEM_SSH_AGENTC_SIGN_REQUEST', 13); -// the SSH1 response is SSH_AGENT_RSA_RESPONSE (4) -define('SYSTEM_SSH_AGENT_SIGN_RESPONSE', 14); -/**#@-*/ +namespace phpseclib\System\SSH; -/** - * Pure-PHP ssh-agent client identity object - * - * Instantiation should only be performed by System_SSH_Agent class. - * This could be thought of as implementing an interface that Crypt_RSA - * implements. ie. maybe a Net_SSH_Auth_PublicKey interface or something. - * The methods in this interface would be getPublicKey, setSignatureMode - * and sign since those are the methods phpseclib looks for to perform - * public key authentication. - * - * @package System_SSH_Agent - * @author Jim Wigginton - * @access internal - */ -class System_SSH_Agent_Identity -{ - /** - * Key Object - * - * @var Crypt_RSA - * @access private - * @see System_SSH_Agent_Identity::getPublicKey() - */ - var $key; - - /** - * Key Blob - * - * @var String - * @access private - * @see System_SSH_Agent_Identity::sign() - */ - var $key_blob; - - /** - * Socket Resource - * - * @var Resource - * @access private - * @see System_SSH_Agent_Identity::sign() - */ - var $fsock; - - /** - * Default Constructor. - * - * @param Resource $fsock - * @return System_SSH_Agent_Identity - * @access private - */ - function System_SSH_Agent_Identity($fsock) - { - $this->fsock = $fsock; - } - - /** - * Set Public Key - * - * Called by System_SSH_Agent::requestIdentities() - * - * @param Crypt_RSA $key - * @access private - */ - function setPublicKey($key) - { - $this->key = $key; - $this->key->setPublicKey(); - } - - /** - * Set Public Key - * - * Called by System_SSH_Agent::requestIdentities(). The key blob could be extracted from $this->key - * but this saves a small amount of computation. - * - * @param String $key_blob - * @access private - */ - function setPublicKeyBlob($key_blob) - { - $this->key_blob = $key_blob; - } - - /** - * Get Public Key - * - * Wrapper for $this->key->getPublicKey() - * - * @param Integer $format optional - * @return Mixed - * @access public - */ - function getPublicKey($format = null) - { - return !isset($format) ? $this->key->getPublicKey() : $this->key->getPublicKey($format); - } - - /** - * Set Signature Mode - * - * Doesn't do anything as ssh-agent doesn't let you pick and choose the signature mode. ie. - * ssh-agent's only supported mode is CRYPT_RSA_SIGNATURE_PKCS1 - * - * @param Integer $mode - * @access public - */ - function setSignatureMode($mode) - { - } - - /** - * Create a signature - * - * See "2.6.2 Protocol 2 private key signature request" - * - * @param String $message - * @return String - * @access public - */ - function sign($message) - { - // the last parameter (currently 0) is for flags and ssh-agent only defines one flag (for ssh-dss): SSH_AGENT_OLD_SIGNATURE - $packet = pack('CNa*Na*N', SYSTEM_SSH_AGENTC_SIGN_REQUEST, strlen($this->key_blob), $this->key_blob, strlen($message), $message, 0); - $packet = pack('Na*', strlen($packet), $packet); - if (strlen($packet) != fputs($this->fsock, $packet)) { - user_error('Connection closed during signing'); - } - - $length = current(unpack('N', fread($this->fsock, 4))); - $type = ord(fread($this->fsock, 1)); - if ($type != SYSTEM_SSH_AGENT_SIGN_RESPONSE) { - user_error('Unable to retreive signature'); - } - - $signature_blob = fread($this->fsock, $length - 1); - // the only other signature format defined - ssh-dss - is the same length as ssh-rsa - // the + 12 is for the other various SSH added length fields - return substr($signature_blob, strlen('ssh-rsa') + 12); - } -} +use phpseclib\Crypt\RSA; +use phpseclib\System\SSH\Agent\Identity; /** * Pure-PHP ssh-agent client identity factory * - * requestIdentities() method pumps out System_SSH_Agent_Identity objects + * requestIdentities() method pumps out \phpseclib\System\SSH\Agent\Identity objects * - * @package System_SSH_Agent + * @package SSH\Agent * @author Jim Wigginton * @access internal */ -class System_SSH_Agent +class Agent { + /**#@+ + * Message numbers + * + * @access private + */ + // to request SSH1 keys you have to use SSH_AGENTC_REQUEST_RSA_IDENTITIES (1) + const SSH_AGENTC_REQUEST_IDENTITIES = 11; + // this is the SSH2 response; the SSH1 response is SSH_AGENT_RSA_IDENTITIES_ANSWER (2). + const SSH_AGENT_IDENTITIES_ANSWER = 12; + // the SSH1 request is SSH_AGENTC_RSA_CHALLENGE (3) + const SSH_AGENTC_SIGN_REQUEST = 13; + // the SSH1 response is SSH_AGENT_RSA_RESPONSE (4) + const SSH_AGENT_SIGN_RESPONSE = 14; + /**#@-*/ + + /**@+ + * Agent forwarding status + * + * @access private + */ + // no forwarding requested and not active + const FORWARD_NONE = 0; + // request agent forwarding when opportune + const FORWARD_REQUEST = 1; + // forwarding has been request and is active + const FORWARD_ACTIVE = 2; + /**#@-*/ + + /** + * Unused + */ + const SSH_AGENT_FAILURE = 5; + /** * Socket Resource * - * @var Resource + * @var resource * @access private */ var $fsock; + /** + * Agent forwarding status + * + * @access private + */ + var $forward_status = self::FORWARD_NONE; + + /** + * Buffer for accumulating forwarded authentication + * agent data arriving on SSH data channel destined + * for agent unix socket + * + * @access private + */ + var $socket_buffer = ''; + + /** + * Tracking the number of bytes we are expecting + * to arrive for the agent socket on the SSH data + * channel + */ + var $expected_bytes = 0; + /** * Default Constructor * - * @return System_SSH_Agent + * @return \phpseclib\System\SSH\Agent * @access public */ - function System_SSH_Agent() + function __construct() { switch (true) { case isset($_SERVER['SSH_AUTH_SOCK']): @@ -255,9 +141,9 @@ class System_SSH_Agent * Request Identities * * See "2.5.2 Requesting a list of protocol 2 keys" - * Returns an array containing zero or more System_SSH_Agent_Identity objects + * Returns an array containing zero or more \phpseclib\System\SSH\Agent\Identity objects * - * @return Array + * @return array * @access public */ function requestIdentities() @@ -266,14 +152,14 @@ class System_SSH_Agent return array(); } - $packet = pack('NC', 1, SYSTEM_SSH_AGENTC_REQUEST_IDENTITIES); + $packet = pack('NC', 1, self::SSH_AGENTC_REQUEST_IDENTITIES); if (strlen($packet) != fputs($this->fsock, $packet)) { user_error('Connection closed while requesting identities'); } $length = current(unpack('N', fread($this->fsock, 4))); $type = ord(fread($this->fsock, 1)); - if ($type != SYSTEM_SSH_AGENT_IDENTITIES_ANSWER) { + if ($type != self::SSH_AGENT_IDENTITIES_ANSWER) { user_error('Unable to request identities'); } @@ -282,17 +168,17 @@ class System_SSH_Agent for ($i = 0; $i < $keyCount; $i++) { $length = current(unpack('N', fread($this->fsock, 4))); $key_blob = fread($this->fsock, $length); + $key_str = 'ssh-rsa ' . base64_encode($key_blob); $length = current(unpack('N', fread($this->fsock, 4))); - $key_comment = fread($this->fsock, $length); + if ($length) { + $key_str.= ' ' . fread($this->fsock, $length); + } $length = current(unpack('N', substr($key_blob, 0, 4))); $key_type = substr($key_blob, 4, $length); switch ($key_type) { case 'ssh-rsa': - if (!class_exists('Crypt_RSA')) { - include_once 'Crypt/RSA.php'; - } - $key = new Crypt_RSA(); - $key->loadKey('ssh-rsa ' . base64_encode($key_blob) . ' ' . $key_comment); + $key = new RSA(); + $key->loadKey($key_str); break; case 'ssh-dss': // not currently supported @@ -300,7 +186,7 @@ class System_SSH_Agent } // resources are passed by reference by default if (isset($key)) { - $identity = new System_SSH_Agent_Identity($this->fsock); + $identity = new Identity($this->fsock); $identity->setPublicKey($key); $identity->setPublicKeyBlob($key_blob); $identities[] = $identity; @@ -310,4 +196,113 @@ class System_SSH_Agent return $identities; } + + /** + * Signal that agent forwarding should + * be requested when a channel is opened + * + * @param Net_SSH2 $ssh + * @return bool + * @access public + */ + function startSSHForwarding($ssh) + { + if ($this->forward_status == self::FORWARD_NONE) { + $this->forward_status = self::FORWARD_REQUEST; + } + } + + /** + * Request agent forwarding of remote server + * + * @param Net_SSH2 $ssh + * @return bool + * @access private + */ + function _request_forwarding($ssh) + { + $request_channel = $ssh->_get_open_channel(); + if ($request_channel === false) { + return false; + } + + $packet = pack( + 'CNNa*C', + NET_SSH2_MSG_CHANNEL_REQUEST, + $ssh->server_channels[$request_channel], + strlen('auth-agent-req@openssh.com'), + 'auth-agent-req@openssh.com', + 1 + ); + + $ssh->channel_status[$request_channel] = NET_SSH2_MSG_CHANNEL_REQUEST; + + if (!$ssh->_send_binary_packet($packet)) { + return false; + } + + $response = $ssh->_get_channel_packet($request_channel); + if ($response === false) { + return false; + } + + $ssh->channel_status[$request_channel] = NET_SSH2_MSG_CHANNEL_OPEN; + $this->forward_status = self::FORWARD_ACTIVE; + + return true; + } + + /** + * On successful channel open + * + * This method is called upon successful channel + * open to give the SSH Agent an opportunity + * to take further action. i.e. request agent forwarding + * + * @param Net_SSH2 $ssh + * @access private + */ + function _on_channel_open($ssh) + { + if ($this->forward_status == self::FORWARD_REQUEST) { + $this->_request_forwarding($ssh); + } + } + + /** + * Forward data to SSH Agent and return data reply + * + * @param string $data + * @return data from SSH Agent + * @access private + */ + function _forward_data($data) + { + if ($this->expected_bytes > 0) { + $this->socket_buffer.= $data; + $this->expected_bytes -= strlen($data); + } else { + $agent_data_bytes = current(unpack('N', $data)); + $current_data_bytes = strlen($data); + $this->socket_buffer = $data; + if ($current_data_bytes != $agent_data_bytes + 4) { + $this->expected_bytes = ($agent_data_bytes + 4) - $current_data_bytes; + return false; + } + } + + if (strlen($this->socket_buffer) != fwrite($this->fsock, $this->socket_buffer)) { + user_error('Connection closed attempting to forward data to SSH agent'); + } + + $this->socket_buffer = ''; + $this->expected_bytes = 0; + + $agent_reply_bytes = current(unpack('N', fread($this->fsock, 4))); + + $agent_reply_data = fread($this->fsock, $agent_reply_bytes); + $agent_reply_data = current(unpack('a*', $agent_reply_data)); + + return pack('Na*', $agent_reply_bytes, $agent_reply_data); + } } diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent/Identity.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent/Identity.php new file mode 100644 index 000000000..b8cc6cded --- /dev/null +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent/Identity.php @@ -0,0 +1,158 @@ + + * @copyright 2009 Jim Wigginton + * @license http://www.opensource.org/licenses/mit-license.html MIT License + * @link http://phpseclib.sourceforge.net + * @internal See http://api.libssh.org/rfc/PROTOCOL.agent + */ + +namespace phpseclib\System\SSH\Agent; + +use phpseclib\System\SSH\Agent; + +/** + * Pure-PHP ssh-agent client identity object + * + * Instantiation should only be performed by \phpseclib\System\SSH\Agent class. + * This could be thought of as implementing an interface that phpseclib\Crypt\RSA + * implements. ie. maybe a Net_SSH_Auth_PublicKey interface or something. + * The methods in this interface would be getPublicKey and sign since those are the + * methods phpseclib looks for to perform public key authentication. + * + * @package SSH\Agent + * @author Jim Wigginton + * @access internal + */ +class Identity +{ + /** + * Key Object + * + * @var \phpseclib\Crypt\RSA + * @access private + * @see self::getPublicKey() + */ + var $key; + + /** + * Key Blob + * + * @var string + * @access private + * @see self::sign() + */ + var $key_blob; + + /** + * Socket Resource + * + * @var resource + * @access private + * @see self::sign() + */ + var $fsock; + + /** + * Default Constructor. + * + * @param resource $fsock + * @return \phpseclib\System\SSH\Agent\Identity + * @access private + */ + function __construct($fsock) + { + $this->fsock = $fsock; + } + + /** + * Set Public Key + * + * Called by \phpseclib\System\SSH\Agent::requestIdentities() + * + * @param \phpseclib\Crypt\RSA $key + * @access private + */ + function setPublicKey($key) + { + $this->key = $key; + $this->key->setPublicKey(); + } + + /** + * Set Public Key + * + * Called by \phpseclib\System\SSH\Agent::requestIdentities(). The key blob could be extracted from $this->key + * but this saves a small amount of computation. + * + * @param string $key_blob + * @access private + */ + function setPublicKeyBlob($key_blob) + { + $this->key_blob = $key_blob; + } + + /** + * Get Public Key + * + * Wrapper for $this->key->getPublicKey() + * + * @param int $format optional + * @return mixed + * @access public + */ + function getPublicKey($format = null) + { + return !isset($format) ? $this->key->getPublicKey() : $this->key->getPublicKey($format); + } + + /** + * Set Signature Mode + * + * Doesn't do anything as ssh-agent doesn't let you pick and choose the signature mode. ie. + * ssh-agent's only supported mode is \phpseclib\Crypt\RSA::SIGNATURE_PKCS1 + * + * @param int $mode + * @access public + */ + function setSignatureMode($mode) + { + } + + /** + * Create a signature + * + * See "2.6.2 Protocol 2 private key signature request" + * + * @param string $message + * @return string + * @access public + */ + function sign($message) + { + // the last parameter (currently 0) is for flags and ssh-agent only defines one flag (for ssh-dss): SSH_AGENT_OLD_SIGNATURE + $packet = pack('CNa*Na*N', Agent::SSH_AGENTC_SIGN_REQUEST, strlen($this->key_blob), $this->key_blob, strlen($message), $message, 0); + $packet = pack('Na*', strlen($packet), $packet); + if (strlen($packet) != fputs($this->fsock, $packet)) { + user_error('Connection closed during signing'); + } + + $length = current(unpack('N', fread($this->fsock, 4))); + $type = ord(fread($this->fsock, 1)); + if ($type != Agent::SSH_AGENT_SIGN_RESPONSE) { + user_error('Unable to retrieve signature'); + } + + $signature_blob = fread($this->fsock, $length - 1); + // the only other signature format defined - ssh-dss - is the same length as ssh-rsa + // the + 12 is for the other various SSH added length fields + return substr($signature_blob, strlen('ssh-rsa') + 12); + } +} diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH_Agent.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH_Agent.php deleted file mode 100644 index ea434b9c5..000000000 --- a/securemail/vendor/phpseclib/phpseclib/phpseclib/System/SSH_Agent.php +++ /dev/null @@ -1,39 +0,0 @@ - - * @copyright 2014 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - * @internal See http://api.libssh.org/rfc/PROTOCOL.agent - */ - -require_once 'SSH/Agent.php'; diff --git a/securemail/vendor/phpseclib/phpseclib/phpseclib/bootstrap.php b/securemail/vendor/phpseclib/phpseclib/phpseclib/bootstrap.php new file mode 100644 index 000000000..0da0999fd --- /dev/null +++ b/securemail/vendor/phpseclib/phpseclib/phpseclib/bootstrap.php @@ -0,0 +1,16 @@ + , where is the value of +# the FILE_VERSION_FILTER tag, and is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = "git log --pretty=\"format:%ci, author:%aN <%aE>, commit:%h\" -1" + +# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed +# by doxygen. The layout file controls the global structure of the generated +# output files in an output format independent way. To create the layout file +# that represents doxygen's defaults, run doxygen with the -l option. +# You can optionally specify a file name after the option, if omitted +# DoxygenLayout.xml will be used as the name of the layout file. + +LAYOUT_FILE = + +# The CITE_BIB_FILES tag can be used to specify one or more bib files +# containing the references data. This must be a list of .bib files. The +# .bib extension is automatically appended if omitted. Using this command +# requires the bibtex tool to be installed. See also +# http://en.wikipedia.org/wiki/BibTeX for more info. For LaTeX the style +# of the bibliography can be controlled using LATEX_BIB_STYLE. To use this +# feature you need bibtex and perl available in the search path. Do not use +# file names with spaces, bibtex cannot handle them. + +CITE_BIB_FILES = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = YES + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# The WARN_NO_PARAMDOC option can be enabled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = lib/ README.md + +# This tag can be used to specify the character encoding of the source files +# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is +# also the default input encoding. Doxygen uses libiconv (or the iconv built +# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for +# the list of possible encodings. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.d *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh +# *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py +# *.f90 *.f *.for *.vhd *.vhdl + +FILE_PATTERNS = + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should be +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. +# Note that relative paths are relative to the directory from which doxygen is +# run. + +EXCLUDE = + +# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or +# directories that are symbolic links (a Unix file system feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the +# output. The symbol name can be a fully qualified name, a word, or if the +# wildcard * is used, a substring. Examples: ANamespace, AClass, +# AClass::ANamespace, ANamespace::*Test + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = examples/ + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command , where +# is the value of the INPUT_FILTER tag, and is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. +# If FILTER_PATTERNS is specified, this tag will be ignored. +# Note that the filter must not add or remove lines; it is applied before the +# code is scanned, but not when the output code is generated. If lines are added +# or removed, the anchors will not be placed correctly. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. +# Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. +# The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty or if +# non of the patterns match the file name, INPUT_FILTER is applied. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file +# pattern. A pattern will override the setting for FILTER_PATTERN (if any) +# and it is also possible to disable source filtering for a specific pattern +# using *.ext= (so without naming a filter). This option only has effect when +# FILTER_SOURCE_FILES is enabled. + +FILTER_SOURCE_PATTERNS = + +# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that +# is part of the input, its contents will be placed on the main page +# (index.html). This can be useful if you have a project on for instance GitHub +# and want reuse the introduction page also for the doxygen output. + +USE_MDFILE_AS_MAINPAGE = README.md + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = YES + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C, C++ and Fortran comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = NO + +# If the REFERENCES_RELATION tag is set to YES +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = NO + +# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) +# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from +# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will +# link to the source code. +# Otherwise they will link to the documentation. + +REFERENCES_LINK_SOURCE = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = YES + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. Note that when using a custom header you are responsible +# for the proper inclusion of any scripts and style sheets that doxygen +# needs, which is dependent on the configuration options used. +# It is advised to generate a default header using "doxygen -w html +# header.html footer.html stylesheet.css YourConfigFile" and then modify +# that header. Note that the header is subject to change so you typically +# have to redo this when upgrading to a newer version of doxygen or when +# changing the value of configuration settings such as GENERATE_TREEVIEW! + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If left blank doxygen will +# generate a default style sheet. Note that it is recommended to use +# HTML_EXTRA_STYLESHEET instead of this one, as it is more robust and this +# tag will in the future become obsolete. + +HTML_STYLESHEET = + +# The HTML_EXTRA_STYLESHEET tag can be used to specify an additional +# user-defined cascading style sheet that is included after the standard +# style sheets created by doxygen. Using this option one can overrule +# certain style aspects. This is preferred over using HTML_STYLESHEET +# since it does not replace the standard style sheet and is therefor more +# robust against future updates. Doxygen will copy the style sheet file to +# the output directory. + +HTML_EXTRA_STYLESHEET = + +# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or +# other source files which should be copied to the HTML output directory. Note +# that these files will be copied to the base HTML output directory. Use the +# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these +# files. In the HTML_STYLESHEET file, use the file name only. Also note that +# the files will be copied as-is; there are no commands or markers available. + +HTML_EXTRA_FILES = + +# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. +# Doxygen will adjust the colors in the style sheet and background images +# according to this color. Hue is specified as an angle on a colorwheel, +# see http://en.wikipedia.org/wiki/Hue for more information. +# For instance the value 0 represents red, 60 is yellow, 120 is green, +# 180 is cyan, 240 is blue, 300 purple, and 360 is red again. +# The allowed range is 0 to 359. + +HTML_COLORSTYLE_HUE = 220 + +# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of +# the colors in the HTML output. For a value of 0 the output will use +# grayscales only. A value of 255 will produce the most vivid colors. + +HTML_COLORSTYLE_SAT = 100 + +# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to +# the luminance component of the colors in the HTML output. Values below +# 100 gradually make the output lighter, whereas values above 100 make +# the output darker. The value divided by 100 is the actual gamma applied, +# so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2, +# and 100 does not change the gamma. + +HTML_COLORSTYLE_GAMMA = 80 + +# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML +# page will contain the date and time when the page was generated. Setting +# this to NO can help when comparing the output of multiple runs. + +HTML_TIMESTAMP = YES + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. + +HTML_DYNAMIC_SECTIONS = NO + +# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of +# entries shown in the various tree structured indices initially; the user +# can expand and collapse entries dynamically later on. Doxygen will expand +# the tree to such a level that at most the specified number of entries are +# visible (unless a fully collapsed tree already exceeds this amount). +# So setting the number of entries 1 will produce a full collapsed tree by +# default. 0 is a special value representing an infinite number of entries +# and will result in a full expanded tree by default. + +HTML_INDEX_NUM_ENTRIES = 100 + +# If the GENERATE_DOCSET tag is set to YES, additional index files +# will be generated that can be used as input for Apple's Xcode 3 +# integrated development environment, introduced with OSX 10.5 (Leopard). +# To create a documentation set, doxygen will generate a Makefile in the +# HTML output directory. Running make will produce the docset in that +# directory and running "make install" will install the docset in +# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find +# it at startup. +# See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html +# for more information. + +GENERATE_DOCSET = NO + +# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the +# feed. A documentation feed provides an umbrella under which multiple +# documentation sets from a single provider (such as a company or product suite) +# can be grouped. + +DOCSET_FEEDNAME = "Doxygen generated docs" + +# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that +# should uniquely identify the documentation set bundle. This should be a +# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen +# will append .docset to the name. + +DOCSET_BUNDLE_ID = org.doxygen.Project + +# When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely +# identify the documentation publisher. This should be a reverse domain-name +# style string, e.g. com.mycompany.MyDocSet.documentation. + +DOCSET_PUBLISHER_ID = org.doxygen.Publisher + +# The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher. + +DOCSET_PUBLISHER_NAME = Publisher + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING +# is used to encode HtmlHelp index (hhk), content (hhc) and project file +# content. + +CHM_INDEX_ENCODING = + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and +# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated +# that can be used as input for Qt's qhelpgenerator to generate a +# Qt Compressed Help (.qch) of the generated HTML documentation. + +GENERATE_QHP = NO + +# If the QHG_LOCATION tag is specified, the QCH_FILE tag can +# be used to specify the file name of the resulting .qch file. +# The path specified is relative to the HTML output folder. + +QCH_FILE = + +# The QHP_NAMESPACE tag specifies the namespace to use when generating +# Qt Help Project output. For more information please see +# http://doc.trolltech.com/qthelpproject.html#namespace + +QHP_NAMESPACE = org.doxygen.Project + +# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating +# Qt Help Project output. For more information please see +# http://doc.trolltech.com/qthelpproject.html#virtual-folders + +QHP_VIRTUAL_FOLDER = doc + +# If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to +# add. For more information please see +# http://doc.trolltech.com/qthelpproject.html#custom-filters + +QHP_CUST_FILTER_NAME = + +# The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the +# custom filter to add. For more information please see +# +# Qt Help Project / Custom Filters. + +QHP_CUST_FILTER_ATTRS = + +# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this +# project's +# filter section matches. +# +# Qt Help Project / Filter Attributes. + +QHP_SECT_FILTER_ATTRS = + +# If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can +# be used to specify the location of Qt's qhelpgenerator. +# If non-empty doxygen will try to run qhelpgenerator on the generated +# .qhp file. + +QHG_LOCATION = + +# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files +# will be generated, which together with the HTML files, form an Eclipse help +# plugin. To install this plugin and make it available under the help contents +# menu in Eclipse, the contents of the directory containing the HTML and XML +# files needs to be copied into the plugins directory of eclipse. The name of +# the directory within the plugins directory should be the same as +# the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before +# the help appears. + +GENERATE_ECLIPSEHELP = NO + +# A unique identifier for the eclipse help plugin. When installing the plugin +# the directory name containing the HTML and XML files should also have +# this name. + +ECLIPSE_DOC_ID = org.doxygen.Project + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) +# at top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. Since the tabs have the same information as the +# navigation tree you can set this option to NO if you already set +# GENERATE_TREEVIEW to YES. + +DISABLE_INDEX = NO + +# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index +# structure should be generated to display hierarchical information. +# If the tag value is set to YES, a side panel will be generated +# containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (i.e. any modern browser). +# Windows users are probably better off using the HTML help feature. +# Since the tree basically has the same information as the tab index you +# could consider to set DISABLE_INDEX to NO when enabling this option. + +GENERATE_TREEVIEW = NO + +# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values +# (range [0,1..20]) that doxygen will group on one line in the generated HTML +# documentation. Note that a value of 0 will completely suppress the enum +# values from appearing in the overview section. + +ENUM_VALUES_PER_LINE = 4 + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open +# links to external symbols imported via tag files in a separate window. + +EXT_LINKS_IN_WINDOW = NO + +# Use this tag to change the font size of Latex formulas included +# as images in the HTML documentation. The default is 10. Note that +# when you change the font size after a successful doxygen run you need +# to manually remove any form_*.png images from the HTML output directory +# to force them to be regenerated. + +FORMULA_FONTSIZE = 10 + +# Use the FORMULA_TRANPARENT tag to determine whether or not the images +# generated for formulas are transparent PNGs. Transparent PNGs are +# not supported properly for IE 6.0, but are supported on all modern browsers. +# Note that when changing this option you need to delete any form_*.png files +# in the HTML output before the changes have effect. + +FORMULA_TRANSPARENT = YES + +# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax +# (see http://www.mathjax.org) which uses client side Javascript for the +# rendering instead of using prerendered bitmaps. Use this if you do not +# have LaTeX installed or if you want to formulas look prettier in the HTML +# output. When enabled you may also need to install MathJax separately and +# configure the path to it using the MATHJAX_RELPATH option. + +USE_MATHJAX = NO + +# When MathJax is enabled you can set the default output format to be used for +# the MathJax output. Supported types are HTML-CSS, NativeMML (i.e. MathML) and +# SVG. The default value is HTML-CSS, which is slower, but has the best +# compatibility. + +MATHJAX_FORMAT = HTML-CSS + +# When MathJax is enabled you need to specify the location relative to the +# HTML output directory using the MATHJAX_RELPATH option. The destination +# directory should contain the MathJax.js script. For instance, if the mathjax +# directory is located at the same level as the HTML output directory, then +# MATHJAX_RELPATH should be ../mathjax. The default value points to +# the MathJax Content Delivery Network so you can quickly see the result without +# installing MathJax. +# However, it is strongly recommended to install a local +# copy of MathJax from http://www.mathjax.org before deployment. + +MATHJAX_RELPATH = http://cdn.mathjax.org/mathjax/latest + +# The MATHJAX_EXTENSIONS tag can be used to specify one or MathJax extension +# names that should be enabled during MathJax rendering. + +MATHJAX_EXTENSIONS = + +# The MATHJAX_CODEFILE tag can be used to specify a file with javascript +# pieces of code that will be used on startup of the MathJax code. + +MATHJAX_CODEFILE = + +# When the SEARCHENGINE tag is enabled doxygen will generate a search box +# for the HTML output. The underlying search engine uses javascript +# and DHTML and should work on any modern browser. Note that when using +# HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets +# (GENERATE_DOCSET) there is already a search function so this one should +# typically be disabled. For large projects the javascript based search engine +# can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution. + +SEARCHENGINE = YES + +# When the SERVER_BASED_SEARCH tag is enabled the search engine will be +# implemented using a web server instead of a web client using Javascript. +# There are two flavours of web server based search depending on the +# EXTERNAL_SEARCH setting. When disabled, doxygen will generate a PHP script for +# searching and an index file used by the script. When EXTERNAL_SEARCH is +# enabled the indexing and searching needs to be provided by external tools. +# See the manual for details. + +SERVER_BASED_SEARCH = NO + +# When EXTERNAL_SEARCH is enabled doxygen will no longer generate the PHP +# script for searching. Instead the search results are written to an XML file +# which needs to be processed by an external indexer. Doxygen will invoke an +# external search engine pointed to by the SEARCHENGINE_URL option to obtain +# the search results. Doxygen ships with an example indexer (doxyindexer) and +# search engine (doxysearch.cgi) which are based on the open source search +# engine library Xapian. See the manual for configuration details. + +EXTERNAL_SEARCH = NO + +# The SEARCHENGINE_URL should point to a search engine hosted by a web server +# which will returned the search results when EXTERNAL_SEARCH is enabled. +# Doxygen ships with an example search engine (doxysearch) which is based on +# the open source search engine library Xapian. See the manual for configuration +# details. + +SEARCHENGINE_URL = + +# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed +# search data is written to a file for indexing by an external tool. With the +# SEARCHDATA_FILE tag the name of this file can be specified. + +SEARCHDATA_FILE = searchdata.xml + +# When SERVER_BASED_SEARCH AND EXTERNAL_SEARCH are both enabled the +# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is +# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple +# projects and redirect the results back to the right project. + +EXTERNAL_SEARCH_ID = + +# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen +# projects other than the one defined by this configuration file, but that are +# all added to the same external search index. Each project needs to have a +# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id +# of to a relative location where the documentation can be found. +# The format is: EXTRA_SEARCH_MAPPINGS = id1=loc1 id2=loc2 ... + +EXTRA_SEARCH_MAPPINGS = + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. +# Note that when enabling USE_PDFLATEX this option is only used for +# generating bitmaps for formulas in the HTML output, but not in the +# Makefile that is written to the output directory. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, letter, legal and +# executive. If left blank a4 will be used. + +PAPER_TYPE = a4 + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for +# the generated latex document. The footer should contain everything after +# the last chapter. If it is left blank doxygen will generate a +# standard footer. Notice: only use this tag if you know what you are doing! + +LATEX_FOOTER = + +# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images +# or other source files which should be copied to the LaTeX output directory. +# Note that the files will be copied as-is; there are no commands or markers +# available. + +LATEX_EXTRA_FILES = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = YES + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = YES + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +# If LATEX_SOURCE_CODE is set to YES then doxygen will include +# source code with syntax highlighting in the LaTeX output. +# Note that which sources are shown also depends on other settings +# such as SOURCE_BROWSER. + +LATEX_SOURCE_CODE = NO + +# The LATEX_BIB_STYLE tag can be used to specify the style to use for the +# bibliography, e.g. plainnat, or ieeetr. The default style is "plain". See +# http://en.wikipedia.org/wiki/BibTeX for more info. + +LATEX_BIB_STYLE = plain + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load style sheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options related to the DOCBOOK output +#--------------------------------------------------------------------------- + +# If the GENERATE_DOCBOOK tag is set to YES Doxygen will generate DOCBOOK files +# that can be used to generate PDF. + +GENERATE_DOCBOOK = NO + +# The DOCBOOK_OUTPUT tag is used to specify where the DOCBOOK pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in +# front of it. If left blank docbook will be used as the default path. + +DOCBOOK_OUTPUT = docbook + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. +# This is useful +# if you want to understand what is going on. +# On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = NO + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_DEFINED tags. + +EXPAND_ONLY_PREDEF = NO + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# pointed to by INCLUDE_PATH will be searched when a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. To prevent a macro definition from being +# undefined via #undef or recursively expanded use the := operator +# instead of the = operator. + +PREDEFINED = + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition that +# overrules the definition found in the source code. + +EXPAND_AS_DEFINED = + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all references to function-like macros +# that are alone on a line, have an all uppercase name, and do not end with a +# semicolon, because these will confuse the parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. For each +# tag file the location of the external documentation should be added. The +# format of a tag file without this location is as follows: +# +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths +# or URLs. Note that each tag file must have a unique name (where the name does +# NOT include the path). If a tag file is not located in the directory in which +# doxygen is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = YES + +# If the EXTERNAL_PAGES tag is set to YES all external pages will be listed +# in the related pages index. If set to NO, only the current project's +# pages will be listed. + +EXTERNAL_PAGES = YES + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base +# or super classes. Setting the tag to NO turns the diagrams off. Note that +# this option also works with HAVE_DOT disabled, but it is recommended to +# install and use dot, since it yields more powerful graphs. + +CLASS_DIAGRAMS = YES + +# You can define message sequence charts within doxygen comments using the \msc +# command. Doxygen will then run the mscgen tool (see +# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the +# documentation. The MSCGEN_PATH tag allows you to specify the directory where +# the mscgen tool resides. If left empty the tool is assumed to be found in the +# default search path. + +MSCGEN_PATH = + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = NO + +# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is +# allowed to run in parallel. When set to 0 (the default) doxygen will +# base this on the number of processors available in the system. You can set it +# explicitly to a value larger than 0 to get control over the balance +# between CPU load and processing speed. + +DOT_NUM_THREADS = 0 + +# By default doxygen will use the Helvetica font for all dot files that +# doxygen generates. When you want a differently looking font you can specify +# the font name using DOT_FONTNAME. You need to make sure dot is able to find +# the font, which can be done by putting it in a standard location or by setting +# the DOTFONTPATH environment variable or by setting DOT_FONTPATH to the +# directory containing the font. + +DOT_FONTNAME = Helvetica + +# The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs. +# The default size is 10pt. + +DOT_FONTSIZE = 10 + +# By default doxygen will tell dot to use the Helvetica font. +# If you specify a different font using DOT_FONTNAME you can use DOT_FONTPATH to +# set the path where dot can find it. + +DOT_FONTPATH = + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for groups, showing the direct groups dependencies + +GROUP_GRAPHS = YES + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If the UML_LOOK tag is enabled, the fields and methods are shown inside +# the class node. If there are many fields or methods and many nodes the +# graph may become too big to be useful. The UML_LIMIT_NUM_FIELDS +# threshold limits the number of items for each type to make the size more +# manageable. Set this to 0 for no limit. Note that the threshold may be +# exceeded by 50% before the limit is enforced. + +UML_LIMIT_NUM_FIELDS = 10 + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = NO + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH and HAVE_DOT options are set to YES then +# doxygen will generate a call dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable call graphs +# for selected functions only using the \callgraph command. + +CALL_GRAPH = NO + +# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then +# doxygen will generate a caller dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable caller +# graphs for selected functions only using the \callergraph command. + +CALLER_GRAPH = NO + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will generate a graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# If the DIRECTORY_GRAPH and HAVE_DOT tags are set to YES +# then doxygen will show the dependencies a directory has on other directories +# in a graphical way. The dependency relations are determined by the #include +# relations between the files in the directories. + +DIRECTORY_GRAPH = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are svg, png, jpg, or gif. +# If left blank png will be used. If you choose svg you need to set +# HTML_FILE_EXTENSION to xhtml in order to make the SVG files +# visible in IE 9+ (other browsers do not have this requirement). + +DOT_IMAGE_FORMAT = png + +# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to +# enable generation of interactive SVG images that allow zooming and panning. +# Note that this requires a modern browser other than Internet Explorer. +# Tested and working are Firefox, Chrome, Safari, and Opera. For IE 9+ you +# need to set HTML_FILE_EXTENSION to xhtml in order to make the SVG files +# visible. Older versions of IE do not have SVG support. + +INTERACTIVE_SVG = NO + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found in the path. + +DOT_PATH = + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The MSCFILE_DIRS tag can be used to specify one or more directories that +# contain msc files that are included in the documentation (see the +# \mscfile command). + +MSCFILE_DIRS = + +# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of +# nodes that will be shown in the graph. If the number of nodes in a graph +# becomes larger than this value, doxygen will truncate the graph, which is +# visualized by representing a node as a red box. Note that doxygen if the +# number of direct children of the root node in a graph is already larger than +# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note +# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. + +DOT_GRAPH_MAX_NODES = 50 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes +# that lay further from the root node will be omitted. Note that setting this +# option to 1 or 2 may greatly reduce the computation time needed for large +# code bases. Also note that the size of a graph can be further restricted by +# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. + +MAX_DOT_GRAPH_DEPTH = 0 + +# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent +# background. This is disabled by default, because dot on Windows does not +# seem to support this out of the box. Warning: Depending on the platform used, +# enabling this option may lead to badly anti-aliased labels on the edges of +# a graph (i.e. they become hard to read). + +DOT_TRANSPARENT = NO + +# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output +# files in one run (i.e. multiple -o and -T options on the command line). This +# makes dot run faster, but since only newer versions of dot (>1.8.10) +# support this, this feature is disabled by default. + +DOT_MULTI_TARGETS = YES + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = YES + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES diff --git a/securemail/vendor/singpolyma/openpgp-php/README b/securemail/vendor/singpolyma/openpgp-php/README new file mode 100644 index 000000000..42061c01a --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/README @@ -0,0 +1 @@ +README.md \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/README.md b/securemail/vendor/singpolyma/openpgp-php/README.md index 302b502d1..099f520a9 100644 --- a/securemail/vendor/singpolyma/openpgp-php/README.md +++ b/securemail/vendor/singpolyma/openpgp-php/README.md @@ -30,7 +30,8 @@ Users OpenPGP.php is currently being used in the following projects: -* +* +* Download -------- diff --git a/securemail/vendor/singpolyma/openpgp-php/VERSION b/securemail/vendor/singpolyma/openpgp-php/VERSION index 8acdd82b7..0d91a54c7 100644 --- a/securemail/vendor/singpolyma/openpgp-php/VERSION +++ b/securemail/vendor/singpolyma/openpgp-php/VERSION @@ -1 +1 @@ -0.0.1 +0.3.0 diff --git a/securemail/vendor/singpolyma/openpgp-php/composer.json b/securemail/vendor/singpolyma/openpgp-php/composer.json new file mode 100644 index 000000000..6acc8c463 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/composer.json @@ -0,0 +1,24 @@ +{ + "name": "singpolyma/openpgp-php", + "description": "Pure-PHP implementation of the OpenPGP Message Format (RFC 4880)", + "license": "Unlicense", + "authors": [ + { + "name": "Arto Bendiken", + "email": "arto.bendiken@gmail.com" + }, + { + "name": "Stephen Paul Weber", + "email": "singpolyma@singpolyma.net" + } + ], + "require": { + "phpseclib/phpseclib": ">=2.0.0 <=2.0.4" + }, + "require-dev": { + "phpunit/phpunit": "~4.0" + }, + "autoload": { + "classmap": ["lib/"] + } +} diff --git a/securemail/vendor/singpolyma/openpgp-php/examples/clearsign.php b/securemail/vendor/singpolyma/openpgp-php/examples/clearsign.php new file mode 100644 index 000000000..686af02f1 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/examples/clearsign.php @@ -0,0 +1,31 @@ + 'u', 'filename' => 'stuff.txt')); +$data->normalize(true); // Clearsign-style normalization of the LiteralDataPacket + +/* Create a signer from the key */ +$sign = new OpenPGP_Crypt_RSA($wkey); + +/* The message is the signed data packet */ +$m = $sign->sign($data); + +/* Generate clearsigned data */ +$packets = $m->signatures()[0]; +echo "-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n"; +// Output normalised data. You could convert line endings here +// without breaking the signature, but do not add any +// trailing whitespace to lines. +echo preg_replace("/^-/", "- -", $packets[0]->data)."\n"; +echo OpenPGP::enarmor($packets[1][0]->to_bytes(), "PGP SIGNATURE"); + +?> diff --git a/securemail/vendor/singpolyma/openpgp-php/examples/deASCIIdeCrypt.php b/securemail/vendor/singpolyma/openpgp-php/examples/deASCIIdeCrypt.php new file mode 100644 index 000000000..9ab6cdd24 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/examples/deASCIIdeCrypt.php @@ -0,0 +1,27 @@ +decrypt($msg); + + var_dump($decrypted); +} diff --git a/securemail/vendor/singpolyma/openpgp-php/examples/encryptDecrypt.php b/securemail/vendor/singpolyma/openpgp-php/examples/encryptDecrypt.php new file mode 100644 index 000000000..7804967f8 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/examples/encryptDecrypt.php @@ -0,0 +1,15 @@ + 'u', 'filename' => 'stuff.txt')); +$encrypted = OpenPGP_Crypt_Symmetric::encrypt($key, new OpenPGP_Message(array($data))); + +// Now decrypt it with the same key +$decryptor = new OpenPGP_Crypt_RSA($key); +$decrypted = $decryptor->decrypt($encrypted); + +var_dump($decrypted); diff --git a/securemail/vendor/singpolyma/openpgp-php/examples/keygen.php b/securemail/vendor/singpolyma/openpgp-php/examples/keygen.php new file mode 100644 index 000000000..1bc03afd4 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/examples/keygen.php @@ -0,0 +1,31 @@ +createKey(512); +$rsa->loadKey($k['privatekey']); + +$nkey = new OpenPGP_SecretKeyPacket(array( + 'n' => $rsa->modulus->toBytes(), + 'e' => $rsa->publicExponent->toBytes(), + 'd' => $rsa->exponent->toBytes(), + 'p' => $rsa->primes[2]->toBytes(), + 'q' => $rsa->primes[1]->toBytes(), + 'u' => $rsa->coefficients[2]->toBytes() +)); + +$uid = new OpenPGP_UserIDPacket('Test '); + +$wkey = new OpenPGP_Crypt_RSA($nkey); +$m = $wkey->sign_key_userid(array($nkey, $uid)); + +// Serialize private key +print $m->to_bytes(); + +// Serialize public key message +$pubm = clone($m); +$pubm[0] = new OpenPGP_PublicKeyPacket($pubm[0]); + +$public_bytes = $pubm->to_bytes(); diff --git a/securemail/vendor/singpolyma/openpgp-php/examples/sign.php b/securemail/vendor/singpolyma/openpgp-php/examples/sign.php new file mode 100644 index 000000000..5e68d6421 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/examples/sign.php @@ -0,0 +1,22 @@ + 'u', 'filename' => 'stuff.txt')); + +/* Create a signer from the key */ +$sign = new OpenPGP_Crypt_RSA($wkey); + +/* The message is the signed data packet */ +$m = $sign->sign($data); + +/* Output the raw message bytes to STDOUT */ +echo $m->to_bytes(); + +?> diff --git a/securemail/vendor/singpolyma/openpgp-php/examples/verify.php b/securemail/vendor/singpolyma/openpgp-php/examples/verify.php new file mode 100644 index 000000000..865019963 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/examples/verify.php @@ -0,0 +1,18 @@ +verify($m)); + +?> diff --git a/securemail/vendor/singpolyma/openpgp-php/lib/openpgp.php b/securemail/vendor/singpolyma/openpgp-php/lib/openpgp.php index 360fc7974..dc659d793 100644 --- a/securemail/vendor/singpolyma/openpgp-php/lib/openpgp.php +++ b/securemail/vendor/singpolyma/openpgp-php/lib/openpgp.php @@ -5,7 +5,7 @@ * (RFC 4880). * * @package OpenPGP - * @version 0.0.1 + * @version 0.3.0 * @author Arto Bendiken * @author Stephen Paul Weber * @see http://github.com/bendiken/openpgp-php @@ -1327,15 +1327,32 @@ class OpenPGP_PublicKeyPacket extends OpenPGP_Packet { function __construct($key=array(), $algorithm='RSA', $timestamp=NULL, $version=4) { parent::__construct(); - $this->key = $key; - if(is_string($this->algorithm = $algorithm)) { - $this->algorithm = array_search($this->algorithm, self::$algorithms); - } - $this->timestamp = $timestamp ? $timestamp : time(); - $this->version = $version; - if(count($this->key) > 0) { - $this->key_id = substr($this->fingerprint(), -8); + if($key instanceof OpenPGP_PublicKeyPacket) { + $this->algorithm = $key->algorithm; + $this->key = array(); + + // Restrict to only the fields we need + foreach (self::$key_fields[$this->algorithm] as $field) { + $this->key[$field] = $key->key[$field]; + } + + $this->key_id = $key->key_id; + $this->fingerprint = $key->fingerprint; + $this->timestamp = $key->timestamp; + $this->version = $key->version; + $this->v3_days_of_validity = $key->v3_days_of_validity; + } else { + $this->key = $key; + if(is_string($this->algorithm = $algorithm)) { + $this->algorithm = array_search($this->algorithm, self::$algorithms); + } + $this->timestamp = $timestamp ? $timestamp : time(); + $this->version = $version; + + if(count($this->key) > 0) { + $this->key_id = substr($this->fingerprint(), -8); + } } } @@ -1685,10 +1702,19 @@ class OpenPGP_LiteralDataPacket extends OpenPGP_Packet { $this->timestamp = isset($opt['timestamp']) ? $opt['timestamp'] : time(); } - function normalize() { + function normalize($clearsign=false) { + if($clearsign && ($this->format != 'u' && $this->format != 't')) { + $this->format = 'u'; // Clearsign must be text + } + if($this->format == 'u' || $this->format == 't') { // Normalize line endings $this->data = str_replace("\n", "\r\n", str_replace("\r", "\n", str_replace("\r\n", "\n", $this->data))); } + + if($clearsign) { + // When clearsigning, do not sign over trailing whitespace + $this->data = preg_replace('/\s+\r/', "\r", $this->data); + } } function read() { diff --git a/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_rsa.php b/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_rsa.php index db6156f35..bce11e186 100644 --- a/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_rsa.php +++ b/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_rsa.php @@ -7,7 +7,11 @@ */ // From http://phpseclib.sourceforge.net/ -require_once 'Crypt/RSA.php'; +use phpseclib\Crypt\RSA as Crypt_RSA; +use phpseclib\Math\BigInteger as Math_BigInteger; + +define('CRYPT_RSA_ENCRYPTION_PKCS1', Crypt_RSA::ENCRYPTION_PKCS1); +define('CRYPT_RSA_SIGNATURE_PKCS1', Crypt_RSA::SIGNATURE_PKCS1); require_once dirname(__FILE__).'/openpgp.php'; @include_once dirname(__FILE__).'/openpgp_crypt_symmetric.php'; /* For encrypt/decrypt */ @@ -150,7 +154,7 @@ class OpenPGP_Crypt_RSA { if(!$sig) { $sig = new OpenPGP_SignaturePacket($packet, 'RSA', strtoupper($hash)); $sig->signature_type = 0x13; - $sig->hashed_subpackets[] = new OpenPGP_SignaturePacket_KeyFlagsPacket(array(0x01, 0x02)); + $sig->hashed_subpackets[] = new OpenPGP_SignaturePacket_KeyFlagsPacket(array(0x01 | 0x02)); $sig->hashed_subpackets[] = new OpenPGP_SignaturePacket_IssuerPacket($keyid); $packet[] = $sig; } @@ -241,8 +245,18 @@ class OpenPGP_Crypt_RSA { $rsa = self::crypt_rsa_key($mod, $exp); if($private) { - if($packet->key['p'] && $packet->key['q']) $rsa->primes = array($packet->key['p'], $packet->key['q']); - if($packet->key['u']) $rsa->coefficients = array($packet->key['u']); + /** + * @see https://github.com/phpseclib/phpseclib/issues/1113 + * Primes and coefficients now use BigIntegers. + **/ + //set the primes + if($packet->key['p'] && $packet->key['q']) + $rsa->primes = array( + 1 => new Math_BigInteger($packet->key['p'], 256), + 2 => new Math_BigInteger($packet->key['q'], 256) + ); + // set the coefficients + if($packet->key['u']) $rsa->coefficients = array(2 => new Math_BigInteger($packet->key['u'], 256)); } return $rsa; diff --git a/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_symmetric.php b/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_symmetric.php index 9833a46c2..844c53b21 100644 --- a/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_symmetric.php +++ b/securemail/vendor/singpolyma/openpgp-php/lib/openpgp_crypt_symmetric.php @@ -1,20 +1,24 @@ setKey($key); $to_encrypt = $prefix . $message->to_bytes(); @@ -36,7 +40,7 @@ class OpenPGP_Crypt_Symmetric { $esk = pack('n', OpenPGP::bitlength($esk)) . $esk; array_unshift($encrypted, new OpenPGP_AsymmetricSessionKeyPacket($pass->algorithm, $pass->fingerprint(), $esk)); } else if(is_string($pass)) { - $s2k = new OpenPGP_S2K(crypt_random_string(10)); + $s2k = new OpenPGP_S2K(Random::string(10)); $cipher->setKey($s2k->make_key($pass, $key_bytes)); $esk = $cipher->encrypt(chr($symmetric_algorithm) . $key); array_unshift($encrypted, new OpenPGP_SymmetricSessionKeyPacket($s2k, $esk, $symmetric_algorithm)); @@ -143,38 +147,32 @@ class OpenPGP_Crypt_Symmetric { $cipher = NULL; switch($algo) { case 2: - if(class_exists('Crypt_TripleDES')) { $cipher = new Crypt_TripleDES(CRYPT_DES_MODE_CFB); $key_bytes = 24; $key_block_bytes = 8; - } break; case 3: if(defined('MCRYPT_CAST_128')) { $cipher = new MCryptWrapper(MCRYPT_CAST_128); + } else { + throw new Exception("Unsupported cipher: you must have mcrypt installed to use CAST5"); } break; case 7: - if(class_exists('Crypt_AES')) { $cipher = new Crypt_AES(CRYPT_AES_MODE_CFB); $cipher->setKeyLength(128); - } break; case 8: - if(class_exists('Crypt_AES')) { $cipher = new Crypt_AES(CRYPT_AES_MODE_CFB); $cipher->setKeyLength(192); - } break; case 9: - if(class_exists('Crypt_AES')) { $cipher = new Crypt_AES(CRYPT_AES_MODE_CFB); $cipher->setKeyLength(256); - } break; } if(!$cipher) return array(NULL, NULL, NULL); // Unsupported cipher - if(!isset($key_bytes)) $key_bytes = $cipher->key_size; + if(!isset($key_bytes)) $key_bytes = isset($cipher->key_size)?$cipher->key_size:$cipher->key_length; if(!isset($key_block_bytes)) $key_block_bytes = $cipher->block_size; return array($cipher, $key_bytes, $key_block_bytes); } diff --git a/securemail/vendor/singpolyma/openpgp-php/phpunit.xml b/securemail/vendor/singpolyma/openpgp-php/phpunit.xml new file mode 100644 index 000000000..a38403e1f --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/phpunit.xml @@ -0,0 +1,27 @@ + + + + tests/suite.php + + + + tests/suite.php + + + + tests/phpseclib_suite.php + + + + tests/phpseclib_suite.php + + + + tests/phpseclib_suite.php + + + + tests/phpseclib_suite.php + + + diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/bootstrap.php b/securemail/vendor/singpolyma/openpgp-php/tests/bootstrap.php new file mode 100644 index 000000000..9635a9c06 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/bootstrap.php @@ -0,0 +1,2 @@ + \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000003-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000003-002.sig new file mode 100644 index 000000000..1e0656d27 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000003-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000004-012.ring_trust b/securemail/vendor/singpolyma/openpgp-php/tests/data/000004-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and 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a/securemail/vendor/singpolyma/openpgp-php/tests/data/000014-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000014-002.sig new file mode 100644 index 000000000..dd601807f Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000014-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000015-012.ring_trust b/securemail/vendor/singpolyma/openpgp-php/tests/data/000015-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000015-012.ring_trust differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000016-006.public_key b/securemail/vendor/singpolyma/openpgp-php/tests/data/000016-006.public_key new file mode 100644 index 000000000..c9dccbf1e Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000016-006.public_key differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000017-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000017-002.sig new file mode 100644 index 000000000..e734505a7 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000017-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000018-012.ring_trust b/securemail/vendor/singpolyma/openpgp-php/tests/data/000018-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000018-012.ring_trust differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000019-013.user_id b/securemail/vendor/singpolyma/openpgp-php/tests/data/000019-013.user_id new file mode 100644 index 000000000..ab3f51d91 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/data/000019-013.user_id @@ -0,0 +1 @@ +$Test Key (DSA) \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000020-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000020-002.sig new file mode 100644 index 000000000..8588489a7 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000020-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000021-012.ring_trust b/securemail/vendor/singpolyma/openpgp-php/tests/data/000021-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000021-012.ring_trust differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000022-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000022-002.sig new file mode 100644 index 000000000..fefcb5fea Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000022-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000023-012.ring_trust b/securemail/vendor/singpolyma/openpgp-php/tests/data/000023-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000023-012.ring_trust differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000024-014.public_subkey b/securemail/vendor/singpolyma/openpgp-php/tests/data/000024-014.public_subkey new file mode 100644 index 000000000..2e8deea28 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000024-014.public_subkey differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000025-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000025-002.sig new file mode 100644 index 000000000..a3eea0a20 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000025-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000026-012.ring_trust 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b/securemail/vendor/singpolyma/openpgp-php/tests/data/000029-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000029-012.ring_trust differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000030-013.user_id b/securemail/vendor/singpolyma/openpgp-php/tests/data/000030-013.user_id new file mode 100644 index 000000000..fb3f49e0d --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/data/000030-013.user_id @@ -0,0 +1 @@ ++Test Key (DSA sign-only) \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000031-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000031-002.sig new file mode 100644 index 000000000..f69f6875b Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000031-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000032-012.ring_trust 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b/securemail/vendor/singpolyma/openpgp-php/tests/data/000044-014.public_subkey new file mode 100644 index 000000000..06bf50e4f Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000044-014.public_subkey differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000045-002.sig b/securemail/vendor/singpolyma/openpgp-php/tests/data/000045-002.sig new file mode 100644 index 000000000..336eb0f24 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000045-002.sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000046-012.ring_trust b/securemail/vendor/singpolyma/openpgp-php/tests/data/000046-012.ring_trust new file mode 100644 index 000000000..ffa57e57a Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/000046-012.ring_trust differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/000047-005.secret_key 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000000000..87b2895ea Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/onepass_sig differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/pubring.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/pubring.gpg new file mode 100644 index 000000000..a1519ee74 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/pubring.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/secring.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/secring.gpg new file mode 100644 index 000000000..9e43912bf Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/secring.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-3des.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-3des.gpg new file mode 100644 index 000000000..0029caece Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-3des.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-aes.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-aes.gpg new file mode 100644 index 000000000..f148ada1c --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-aes.gpg @@ -0,0 +1 @@ +  FyD`>~iXaMM7*WK1I&U]-axsn֎jUǕ%ԩe \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-cast5.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-cast5.gpg new file mode 100644 index 000000000..950b79171 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-cast5.gpg @@ -0,0 +1 @@ + 9F-`2萗wD0q,z}Zϲ֣#־ aٛ!! \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-no-mdc.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-no-mdc.gpg new file mode 100644 index 000000000..40d31b0b1 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-no-mdc.gpg @@ -0,0 +1,2 @@ + [JHB`#{%|6buC g+ +H \ No newline at end of file diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-with-session-key.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-with-session-key.gpg new file mode 100644 index 000000000..0b623f1e5 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetric-with-session-key.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetrically_encrypted b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetrically_encrypted new file mode 100644 index 000000000..129155aa2 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/symmetrically_encrypted differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-dsa-sha384.txt.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-dsa-sha384.txt.gpg new file mode 100644 index 000000000..39828fcae Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-dsa-sha384.txt.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-dsa.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-dsa.gpg new file mode 100644 index 000000000..97e7a267b Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-dsa.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-rsa.gpg b/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-rsa.gpg new file mode 100644 index 000000000..7ae453da6 Binary files /dev/null and b/securemail/vendor/singpolyma/openpgp-php/tests/data/uncompressed-ops-rsa.gpg differ diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/phpseclib_suite.php b/securemail/vendor/singpolyma/openpgp-php/tests/phpseclib_suite.php new file mode 100644 index 000000000..0f6ae30f3 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/phpseclib_suite.php @@ -0,0 +1,135 @@ +assertSame($verify->verify($m), $m->signatures()); + } + + public function testUncompressedOpsRSA() { + $this->oneMessageRSA('pubring.gpg', 'uncompressed-ops-rsa.gpg'); + } + + public function testCompressedSig() { + $this->oneMessageRSA('pubring.gpg', 'compressedsig.gpg'); + } + + public function testCompressedSigZLIB() { + $this->oneMessageRSA('pubring.gpg', 'compressedsig-zlib.gpg'); + } + + public function testCompressedSigBzip2() { + $this->oneMessageRSA('pubring.gpg', 'compressedsig-bzip2.gpg'); + } + + public function testSigningMessages() { + $wkey = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/helloKey.gpg')); + $data = new OpenPGP_LiteralDataPacket('This is text.', array('format' => 'u', 'filename' => 'stuff.txt')); + $sign = new OpenPGP_Crypt_RSA($wkey); + $m = $sign->sign($data)->to_bytes(); + $reparsedM = OpenPGP_Message::parse($m); + $this->assertSame($sign->verify($reparsedM), $reparsedM->signatures()); + } + +/* + public function testUncompressedOpsDSA() { + $this->oneMessageDSA('pubring.gpg', 'uncompressed-ops-dsa.gpg'); + } + + public function testUncompressedOpsDSAsha384() { + $this->oneMessageDSA('pubring.gpg', 'uncompressed-ops-dsa-sha384.gpg'); + } +*/ +} + + +class KeyVerification extends PHPUnit_Framework_TestCase { + public function oneKeyRSA($path) { + $m = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/' . $path)); + $verify = new OpenPGP_Crypt_RSA($m); + $this->assertSame($verify->verify($m), $m->signatures()); + } + + public function testHelloKey() { + $this->oneKeyRSA("helloKey.gpg"); + } +} + + +class Decryption extends PHPUnit_Framework_TestCase { + public function oneSymmetric($pass, $cnt, $path) { + $m = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/' . $path)); + $m2 = OpenPGP_Crypt_Symmetric::decryptSymmetric($pass, $m); + while($m2[0] instanceof OpenPGP_CompressedDataPacket) $m2 = $m2[0]->data; + foreach($m2 as $p) { + if($p instanceof OpenPGP_LiteralDataPacket) { + $this->assertEquals($p->data, $cnt); + } + } + } + + public function testDecryptAES() { + $this->oneSymmetric("hello", "PGP\n", "symmetric-aes.gpg"); + } + + public function testDecrypt3DES() { + $this->oneSymmetric("hello", "PGP\n", "symmetric-3des.gpg"); + } + + public function testDecryptCAST5() { // Requires mcrypt + $this->oneSymmetric("hello", "PGP\n", "symmetric-cast5.gpg"); + } + + public function testDecryptSessionKey() { + $this->oneSymmetric("hello", "PGP\n", "symmetric-with-session-key.gpg"); + } + + public function testDecryptNoMDC() { + $this->oneSymmetric("hello", "PGP\n", "symmetric-no-mdc.gpg"); + } + + public function testDecryptAsymmetric() { + $m = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/hello.gpg')); + $key = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/helloKey.gpg')); + $decryptor = new OpenPGP_Crypt_RSA($key); + $m2 = $decryptor->decrypt($m); + while($m2[0] instanceof OpenPGP_CompressedDataPacket) $m2 = $m2[0]->data; + foreach($m2 as $p) { + if($p instanceof OpenPGP_LiteralDataPacket) { + $this->assertEquals($p->data, "hello\n"); + } + } + } + + public function testDecryptSecretKey() { + $key = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/encryptedSecretKey.gpg')); + $skey = OpenPGP_Crypt_Symmetric::decryptSecretKey("hello", $key[0]); + $this->assertSame(!!$skey, true); + } +} + +class Encryption extends PHPUnit_Framework_TestCase { + public function testEncryptSymmetric() { + $data = new OpenPGP_LiteralDataPacket('This is text.', array('format' => 'u', 'filename' => 'stuff.txt')); + $encrypted = OpenPGP_Crypt_Symmetric::encrypt('secret', new OpenPGP_Message(array($data))); + $decrypted = OpenPGP_Crypt_Symmetric::decryptSymmetric('secret', $encrypted); + $this->assertEquals($decrypted[0]->data, 'This is text.'); + } + + public function testEncryptAsymmetric() { + $key = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/helloKey.gpg')); + $data = new OpenPGP_LiteralDataPacket('This is text.', array('format' => 'u', 'filename' => 'stuff.txt')); + $encrypted = OpenPGP_Crypt_Symmetric::encrypt($key, new OpenPGP_Message(array($data))); + $decryptor = new OpenPGP_Crypt_RSA($key); + $decrypted = $decryptor->decrypt($encrypted); + $this->assertEquals($decrypted[0]->data, 'This is text.'); + } +} diff --git a/securemail/vendor/singpolyma/openpgp-php/tests/suite.php b/securemail/vendor/singpolyma/openpgp-php/tests/suite.php new file mode 100644 index 000000000..1752d0b61 --- /dev/null +++ b/securemail/vendor/singpolyma/openpgp-php/tests/suite.php @@ -0,0 +1,400 @@ +to_bytes(); + $out = OpenPGP_Message::parse($mid); + $this->assertEquals($in, $out); + } + + public function test000001006public_key() { + $this->oneSerialization("000001-006.public_key"); + } + + + public function test000002013user_id() { + $this->oneSerialization("000002-013.user_id"); + } + + public function test000003002sig() { + $this->oneSerialization("000003-002.sig"); + } + + public function test000004012ring_trust() { + $this->oneSerialization("000004-012.ring_trust"); + } + + public function test000005002sig() { + $this->oneSerialization("000005-002.sig"); + } + + public function test000006012ring_trust() { + $this->oneSerialization("000006-012.ring_trust"); + } + + public function test000007002sig() { + $this->oneSerialization("000007-002.sig"); + } + + public function test000008012ring_trust() { + $this->oneSerialization("000008-012.ring_trust"); + } + + public function test000009002sig() { + $this->oneSerialization("000009-002.sig"); + } + + public function test000010012ring_trust() { + $this->oneSerialization("000010-012.ring_trust"); + } + + public function test000011002sig() { + $this->oneSerialization("000011-002.sig"); + } + + public function test000012012ring_trust() { + $this->oneSerialization("000012-012.ring_trust"); + } + + public function test000013014public_subkey() { + $this->oneSerialization("000013-014.public_subkey"); + } + + public function test000014002sig() { + $this->oneSerialization("000014-002.sig"); + } + + public function test000015012ring_trust() { + $this->oneSerialization("000015-012.ring_trust"); + } + + public function test000016006public_key() { + $this->oneSerialization("000016-006.public_key"); + } + + public function test000017002sig() { + $this->oneSerialization("000017-002.sig"); + } + + public function test000018012ring_trust() { + $this->oneSerialization("000018-012.ring_trust"); + } + + public function test000019013user_id() { + $this->oneSerialization("000019-013.user_id"); + } + + public function test000020002sig() { + $this->oneSerialization("000020-002.sig"); + } + + public function test000021012ring_trust() { + $this->oneSerialization("000021-012.ring_trust"); + } + + public function test000022002sig() { + $this->oneSerialization("000022-002.sig"); + } + + public function test000023012ring_trust() { + $this->oneSerialization("000023-012.ring_trust"); + } + + public function test000024014public_subkey() { + $this->oneSerialization("000024-014.public_subkey"); + } + + public function test000025002sig() { + $this->oneSerialization("000025-002.sig"); + } + + public function test000026012ring_trust() { + $this->oneSerialization("000026-012.ring_trust"); + } + + public function test000027006public_key() { + $this->oneSerialization("000027-006.public_key"); + } + + public function test000028002sig() { + $this->oneSerialization("000028-002.sig"); + } + + public function test000029012ring_trust() { + $this->oneSerialization("000029-012.ring_trust"); + } + + public function test000030013user_id() { + $this->oneSerialization("000030-013.user_id"); + } + + public function test000031002sig() { + $this->oneSerialization("000031-002.sig"); + } + + public function test000032012ring_trust() { + $this->oneSerialization("000032-012.ring_trust"); + } + + public function test000033002sig() { + $this->oneSerialization("000033-002.sig"); + } + + public function test000034012ring_trust() { + $this->oneSerialization("000034-012.ring_trust"); + } + + public function test000035006public_key() { + $this->oneSerialization("000035-006.public_key"); + } + + public function test000036013user_id() { + $this->oneSerialization("000036-013.user_id"); + } + + public function test000037002sig() { + $this->oneSerialization("000037-002.sig"); + } + + public function test000038012ring_trust() { + $this->oneSerialization("000038-012.ring_trust"); + } + + public function test000039002sig() { + $this->oneSerialization("000039-002.sig"); + } + + public function test000040012ring_trust() { + $this->oneSerialization("000040-012.ring_trust"); + } + + public function test000041017attribute() { + $this->oneSerialization("000041-017.attribute"); + } + + public function test000042002sig() { + $this->oneSerialization("000042-002.sig"); + } + + public function test000043012ring_trust() { + $this->oneSerialization("000043-012.ring_trust"); + } + + public function test000044014public_subkey() { + $this->oneSerialization("000044-014.public_subkey"); + } + + public function test000045002sig() { + $this->oneSerialization("000045-002.sig"); + } + + public function test000046012ring_trust() { + $this->oneSerialization("000046-012.ring_trust"); + } + + public function test000047005secret_key() { + $this->oneSerialization("000047-005.secret_key"); + } + + public function test000048013user_id() { + $this->oneSerialization("000048-013.user_id"); + } + + public function test000049002sig() { + $this->oneSerialization("000049-002.sig"); + } + + public function test000050012ring_trust() { + $this->oneSerialization("000050-012.ring_trust"); + } + + public function test000051007secret_subkey() { + $this->oneSerialization("000051-007.secret_subkey"); + } + + public function test000052002sig() { + $this->oneSerialization("000052-002.sig"); + } + + public function test000053012ring_trust() { + $this->oneSerialization("000053-012.ring_trust"); + } + + public function test000054005secret_key() { + $this->oneSerialization("000054-005.secret_key"); + } + + public function test000055002sig() { + $this->oneSerialization("000055-002.sig"); + } + + public function test000056012ring_trust() { + $this->oneSerialization("000056-012.ring_trust"); + } + + public function test000057013user_id() { + $this->oneSerialization("000057-013.user_id"); + } + + public function test000058002sig() { + $this->oneSerialization("000058-002.sig"); + } + + public function test000059012ring_trust() { + $this->oneSerialization("000059-012.ring_trust"); + } + + public function test000060007secret_subkey() { + $this->oneSerialization("000060-007.secret_subkey"); + } + + public function test000061002sig() { + $this->oneSerialization("000061-002.sig"); + } + + public function test000062012ring_trust() { + $this->oneSerialization("000062-012.ring_trust"); + } + + public function test000063005secret_key() { + $this->oneSerialization("000063-005.secret_key"); + } + + public function test000064002sig() { + $this->oneSerialization("000064-002.sig"); + } + + public function test000065012ring_trust() { + $this->oneSerialization("000065-012.ring_trust"); + } + + public function test000066013user_id() { + $this->oneSerialization("000066-013.user_id"); + } + + public function test000067002sig() { + $this->oneSerialization("000067-002.sig"); + } + + public function test000068012ring_trust() { + $this->oneSerialization("000068-012.ring_trust"); + } + + public function test000069005secret_key() { + $this->oneSerialization("000069-005.secret_key"); + } + + public function test000070013user_id() { + $this->oneSerialization("000070-013.user_id"); + } + + public function test000071002sig() { + $this->oneSerialization("000071-002.sig"); + } + + public function test000072012ring_trust() { + $this->oneSerialization("000072-012.ring_trust"); + } + + public function test000073017attribute() { + $this->oneSerialization("000073-017.attribute"); + } + + public function test000074002sig() { + $this->oneSerialization("000074-002.sig"); + } + + public function test000075012ring_trust() { + $this->oneSerialization("000075-012.ring_trust"); + } + + public function test000076007secret_subkey() { + $this->oneSerialization("000076-007.secret_subkey"); + } + + public function test000077002sig() { + $this->oneSerialization("000077-002.sig"); + } + + public function test000078012ring_trust() { + $this->oneSerialization("000078-012.ring_trust"); + } + + public function test002182002sig() { + $this->oneSerialization("002182-002.sig"); + } + + public function testpubringgpg() { + $this->oneSerialization("pubring.gpg"); + } + + public function testsecringgpg() { + $this->oneSerialization("secring.gpg"); + } + + public function testcompressedsiggpg() { + $this->oneSerialization("compressedsig.gpg"); + } + + public function testcompressedsigzlibgpg() { + $this->oneSerialization("compressedsig-zlib.gpg"); + } + + public function testcompressedsigbzip2gpg() { + $this->oneSerialization("compressedsig-bzip2.gpg"); + } + + public function testonepass_sig() { + $this->oneSerialization("onepass_sig"); + } + + public function testsymmetrically_encrypted() { + $this->oneSerialization("symmetrically_encrypted"); + } + + public function testuncompressedopsdsagpg() { + $this->oneSerialization("uncompressed-ops-dsa.gpg"); + } + + public function testuncompressedopsdsasha384txtgpg() { + $this->oneSerialization("uncompressed-ops-dsa-sha384.txt.gpg"); + } + + public function testuncompressedopsrsagpg() { + $this->oneSerialization("uncompressed-ops-rsa.gpg"); + } + + public function testSymmetricAES() { + $this->oneSerialization("symmetric-aes.gpg"); + } + + public function testSymmetricNoMDC() { + $this->oneSerialization("symmetric-no-mdc.gpg"); + } +} + +class Fingerprint extends PHPUnit_Framework_TestCase { + public function oneFingerprint($path, $kf) { + $m = OpenPGP_Message::parse(file_get_contents(dirname(__FILE__) . '/data/' . $path)); + $this->assertEquals($m[0]->fingerprint(), $kf); + } + + public function test000001006public_key() { + $this->oneFingerprint("000001-006.public_key", "421F28FEAAD222F856C8FFD5D4D54EA16F87040E"); + } + + public function test000016006public_key() { + $this->oneFingerprint("000016-006.public_key", "AF95E4D7BAC521EE9740BED75E9F1523413262DC"); + } + + public function test000027006public_key() { + $this->oneFingerprint("000027-006.public_key", "1EB20B2F5A5CC3BEAFD6E5CB7732CF988A63EA86"); + } + + public function test000035006public_key() { + $this->oneFingerprint("000035-006.public_key", "CB7933459F59C70DF1C3FBEEDEDC3ECF689AF56D"); + } +}