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RSA: bring PKCS1 compliancy to v2.2

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terrafrost 2016-03-24 13:38:51 -05:00
parent a757584630
commit be0aed43cf
1 changed files with 13 additions and 2 deletions
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15
phpseclib/Crypt/RSA.php
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@ -1232,6 +1232,8 @@ class RSA
case 'sha256': case 'sha256':
case 'sha384': case 'sha384':
case 'sha512': case 'sha512':
case 'sha512/224':
case 'sha512/256':
$this->hash = new Hash($hash); $this->hash = new Hash($hash);
$this->hashName = $hash; $this->hashName = $hash;
break; break;
@ -1261,6 +1263,8 @@ class RSA
case 'sha256': case 'sha256':
case 'sha384': case 'sha384':
case 'sha512': case 'sha512':
case 'sha512/224':
case 'sha512/256':
$this->mgfHash = new Hash($hash); $this->mgfHash = new Hash($hash);
break; break;
default: default:
@ -1961,6 +1965,13 @@ class RSA
break; break;
case 'sha512': case 'sha512':
$t = pack('H*', '3051300d060960864801650304020305000440'); $t = pack('H*', '3051300d060960864801650304020305000440');
break;
// from https://www.emc.com/collateral/white-papers/h11300-pkcs-1v2-2-rsa-cryptography-standard-wp.pdf#page=40
case 'sha512/224':
$t = pack('H*', '302d300d06096086480165030402050500041c');
break;
case 'sha512/256':
$t = pack('H*', '3031300d060960864801650304020605000420');
} }
$t.= $h; $t.= $h;
$tLen = strlen($t); $tLen = strlen($t);
@ -2132,8 +2143,8 @@ class RSA
'2.16.840.1.101.3.4.2.2' => 'sha384', '2.16.840.1.101.3.4.2.2' => 'sha384',
'2.16.840.1.101.3.4.2.3' => 'sha512', '2.16.840.1.101.3.4.2.3' => 'sha512',
// from PKCS1 v2.2 // from PKCS1 v2.2
//'2.16.840.1.101.3.4.2.5' => 'sha512/224', '2.16.840.1.101.3.4.2.5' => 'sha512/224',
//'2.16.840.1.101.3.4.2.6' => 'sha512/256', '2.16.840.1.101.3.4.2.6' => 'sha512/256',
); );
$asn1->loadOIDs($oids); $asn1->loadOIDs($oids);