Issue 3142: mcrypt is no more (as well as phpseclib)
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36 changed files with 85 additions and 16555 deletions
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@ -1,94 +1,52 @@
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<?php
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require_once('library/ASNValue.class.php');
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require_once('library/asn1.php');
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require_once 'library/ASNValue.class.php';
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require_once 'library/asn1.php';
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// supported algorithms are 'sha256', 'sha1'
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function rsa_sign($data,$key,$alg = 'sha256') {
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$sig = '';
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if (version_compare(PHP_VERSION, '5.3.0', '>=') || $alg === 'sha1') {
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openssl_sign($data,$sig,$key,(($alg == 'sha1') ? OPENSSL_ALGO_SHA1 : $alg));
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}
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else {
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if(strlen($key) < 1024 || extension_loaded('gmp')) {
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require_once('library/phpsec/Crypt/RSA.php');
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$rsa = new CRYPT_RSA();
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$rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
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$rsa->setHash($alg);
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$rsa->loadKey($key);
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$sig = $rsa->sign($data);
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}
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else {
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logger('rsa_sign: insecure algorithm used. Please upgrade PHP to 5.3');
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openssl_private_encrypt(hex2bin('3031300d060960864801650304020105000420') . hash('sha256',$data,true), $sig, $key);
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}
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}
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function rsa_sign($data, $key, $alg = 'sha256') {
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openssl_sign($data, $sig, $key, (($alg == 'sha1') ? OPENSSL_ALGO_SHA1 : $alg));
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return $sig;
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}
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function rsa_verify($data,$sig,$key,$alg = 'sha256') {
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if (version_compare(PHP_VERSION, '5.3.0', '>=') || $alg === 'sha1') {
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$verify = openssl_verify($data,$sig,$key,(($alg == 'sha1') ? OPENSSL_ALGO_SHA1 : $alg));
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}
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else {
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if(strlen($key) <= 300 || extension_loaded('gmp')) {
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require_once('library/phpsec/Crypt/RSA.php');
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$rsa = new CRYPT_RSA();
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$rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
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$rsa->setHash($alg);
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$rsa->loadKey($key);
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$verify = $rsa->verify($data,$sig);
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}
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else {
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// fallback sha256 verify for PHP < 5.3 and large key lengths
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$rawsig = '';
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openssl_public_decrypt($sig,$rawsig,$key);
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$verify = (($rawsig && substr($rawsig,-32) === hash('sha256',$data,true)) ? true : false);
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}
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}
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return $verify;
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function rsa_verify($data, $sig, $key, $alg = 'sha256') {
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return openssl_verify($data, $sig, $key, (($alg == 'sha1') ? OPENSSL_ALGO_SHA1 : $alg));
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}
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function DerToPem($Der, $Private = false) {
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//Encode:
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$Der = base64_encode($Der);
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//Split lines:
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$lines = str_split($Der, 65);
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$body = implode("\n", $lines);
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//Get title:
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$title = $Private ? 'RSA PRIVATE KEY' : 'PUBLIC KEY';
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//Add wrapping:
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$result = "-----BEGIN {$title}-----\n";
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$result .= $body . "\n";
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$result .= "-----END {$title}-----\n";
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function DerToPem($Der, $Private=false)
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{
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//Encode:
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$Der = base64_encode($Der);
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//Split lines:
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$lines = str_split($Der, 65);
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$body = implode("\n", $lines);
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//Get title:
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$title = $Private? 'RSA PRIVATE KEY' : 'PUBLIC KEY';
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//Add wrapping:
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$result = "-----BEGIN {$title}-----\n";
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$result .= $body . "\n";
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$result .= "-----END {$title}-----\n";
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return $result;
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return $result;
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}
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function DerToRsa($Der)
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{
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//Encode:
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$Der = base64_encode($Der);
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//Split lines:
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$lines = str_split($Der, 64);
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$body = implode("\n", $lines);
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//Get title:
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$title = 'RSA PUBLIC KEY';
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//Add wrapping:
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$result = "-----BEGIN {$title}-----\n";
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$result .= $body . "\n";
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$result .= "-----END {$title}-----\n";
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return $result;
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function DerToRsa($Der) {
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//Encode:
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$Der = base64_encode($Der);
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//Split lines:
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$lines = str_split($Der, 64);
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$body = implode("\n", $lines);
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//Get title:
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$title = 'RSA PUBLIC KEY';
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//Add wrapping:
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$result = "-----BEGIN {$title}-----\n";
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$result .= $body . "\n";
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$result .= "-----END {$title}-----\n";
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return $result;
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}
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function pkcs8_encode($Modulus,$PublicExponent) {
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function pkcs8_encode($Modulus, $PublicExponent) {
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//Encode key sequence
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$modulus = new ASNValue(ASNValue::TAG_INTEGER);
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$modulus->SetIntBuffer($Modulus);
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@ -111,8 +69,7 @@ function pkcs8_encode($Modulus,$PublicExponent) {
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return $PublicDER;
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}
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function pkcs1_encode($Modulus,$PublicExponent) {
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function pkcs1_encode($Modulus, $PublicExponent) {
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//Encode key sequence
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$modulus = new ASNValue(ASNValue::TAG_INTEGER);
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$modulus->SetIntBuffer($Modulus);
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@ -126,22 +83,20 @@ function pkcs1_encode($Modulus,$PublicExponent) {
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return $bitStringValue;
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}
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function metopem($m,$e) {
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$der = pkcs8_encode($m,$e);
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$key = DerToPem($der,false);
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function metopem($m, $e) {
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$der = pkcs8_encode($m, $e);
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$key = DerToPem($der, false);
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return $key;
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}
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}
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function pubrsatome($key,&$m,&$e) {
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require_once('library/asn1.php');
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require_once('include/salmon.php');
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$lines = explode("\n",$key);
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$lines = explode("\n", $key);
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unset($lines[0]);
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unset($lines[count($lines)]);
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$x = base64_decode(implode('',$lines));
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$x = base64_decode(implode('', $lines));
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$r = ASN_BASE::parseASNString($x);
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@ -151,21 +106,21 @@ function pubrsatome($key,&$m,&$e) {
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function rsatopem($key) {
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pubrsatome($key,$m,$e);
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return(metopem($m,$e));
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pubrsatome($key, $m, $e);
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return metopem($m, $e);
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}
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function pemtorsa($key) {
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pemtome($key,$m,$e);
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return(metorsa($m,$e));
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pemtome($key, $m, $e);
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return metorsa($m, $e);
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}
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function pemtome($key,&$m,&$e) {
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function pemtome($key, &$m, &$e) {
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require_once('include/salmon.php');
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$lines = explode("\n",$key);
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$lines = explode("\n", $key);
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unset($lines[0]);
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unset($lines[count($lines)]);
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$x = base64_decode(implode('',$lines));
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$x = base64_decode(implode('', $lines));
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$r = ASN_BASE::parseASNString($x);
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@ -173,82 +128,36 @@ function pemtome($key,&$m,&$e) {
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$e = base64url_decode($r[0]->asnData[1]->asnData[0]->asnData[1]->asnData);
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}
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function metorsa($m,$e) {
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$der = pkcs1_encode($m,$e);
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function metorsa($m, $e) {
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$der = pkcs1_encode($m, $e);
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$key = DerToRsa($der);
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return $key;
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}
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}
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function salmon_key($pubkey) {
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pemtome($pubkey,$m,$e);
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return 'RSA' . '.' . base64url_encode($m,true) . '.' . base64url_encode($e,true) ;
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pemtome($pubkey, $m, $e);
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return 'RSA' . '.' . base64url_encode($m, true) . '.' . base64url_encode($e, true) ;
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}
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if(! function_exists('aes_decrypt')) {
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// DEPRECATED IN 3.4.1
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function aes_decrypt($val,$ky)
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{
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$key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
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for($a=0;$a<strlen($ky);$a++)
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$key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
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$mode = MCRYPT_MODE_ECB;
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$enc = MCRYPT_RIJNDAEL_128;
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$dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
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return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
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}}
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if(! function_exists('aes_encrypt')) {
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// DEPRECATED IN 3.4.1
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function aes_encrypt($val,$ky)
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{
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$key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
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for($a=0;$a<strlen($ky);$a++)
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$key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
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$mode=MCRYPT_MODE_ECB;
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$enc=MCRYPT_RIJNDAEL_128;
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$val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
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return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
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}}
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function pkcs5_pad ($text, $blocksize)
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{
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$pad = $blocksize - (strlen($text) % $blocksize);
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return $text . str_repeat(chr($pad), $pad);
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}
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function pkcs5_unpad($text)
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{
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$pad = ord($text{strlen($text)-1});
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if ($pad > strlen($text)) return false;
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if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
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return substr($text, 0, -1 * $pad);
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}
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function new_keypair($bits) {
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$openssl_options = array(
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'digest_alg' => 'sha1',
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'private_key_bits' => $bits,
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'encrypt_key' => false
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'encrypt_key' => false
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);
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$conf = get_config('system','openssl_conf_file');
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if($conf)
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$conf = get_config('system', 'openssl_conf_file');
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if ($conf) {
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$openssl_options['config'] = $conf;
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}
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$result = openssl_pkey_new($openssl_options);
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if(empty($result)) {
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if (empty($result)) {
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logger('new_keypair: failed');
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return false;
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}
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// Get private key
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$response = array('prvkey' => '', 'pubkey' => '');
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openssl_pkey_export($result, $response['prvkey']);
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@ -258,6 +167,4 @@ function new_keypair($bits) {
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$response['pubkey'] = $pkey["key"];
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return $response;
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}
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