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crypto stuff

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Friendika 2011-08-09 18:55:46 -07:00
commit 1bfe1283aa
10 changed files with 102 additions and 90 deletions
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31
include/salmon.php
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@ -1,21 +1,7 @@
<?php
require_once('library/asn1.php');
require_once('include/crypto.php');
function salmon_key($pubkey) {
$lines = explode("\n",$pubkey);
unset($lines[0]);
unset($lines[count($lines)]);
$x = base64_decode(implode('',$lines));
$r = ASN_BASE::parseASNString($x);
$m = $r[0]->asnData[1]->asnData[0]->asnData[0]->asnData;
$e = $r[0]->asnData[1]->asnData[0]->asnData[1]->asnData;
return 'RSA' . '.' . $m . '.' . $e ;
}
function get_salmon_key($uri,$keyhash) {
@ -112,24 +98,15 @@ EOT;
$algorithm = 'RSA-SHA256';
$keyhash = base64url_encode(hash('sha256',salmon_key($owner['spubkey'])),true);
// Setup RSA stuff to PKCS#1 sign the data
require_once('library/phpsec/Crypt/RSA.php');
$rsa = new CRYPT_RSA();
$rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
$rsa->setHash('sha256');
$rsa->loadKey($owner['sprvkey']);
// precomputed base64url encoding of data_type, encoding, algorithm concatenated with periods
$precomputed = '.YXBwbGljYXRpb24vYXRvbSt4bWw=.YmFzZTY0dXJs.UlNBLVNIQTI1Ng==';
$signature = base64url_encode($rsa->sign(str_replace('=','',$data . $precomputed),true));
$signature = base64url_encode(rsa_sign(str_replace('=','',$data . $precomputed),true),$owner['sprvkey']);
$signature2 = base64url_encode($rsa->sign($data . $precomputed));
$signature2 = base64url_encode(rsa_sign($data . $precomputed),$owner['sprvkey']);
$signature3 = base64url_encode($rsa->sign($data));
$signature3 = base64url_encode(rsa_sign($data),$owner['sprvkey']);
$salmon_tpl = get_markup_template('magicsig.tpl');