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Merge pull request #114 from bantu/fix-weak-ssh-dh-keys

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Fix weak ssh dh keys
This commit is contained in:
terrafrost 2013-06-05 21:57:15 -07:00
commit e25ae8c4f4
1 changed files with 3 additions and 3 deletions
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6
phpseclib/Net/SSH2.php
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@ -1166,7 +1166,7 @@ class Net_SSH2 {
'020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
'4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF'); 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF');
$keyLength = $keyLength < 160 ? $keyLength : 160; $keyLength = $keyLength < 20 ? $keyLength : 20;
$hash = 'sha1'; $hash = 'sha1';
break; break;
// see http://tools.ietf.org/html/rfc3526#section-3 // see http://tools.ietf.org/html/rfc3526#section-3
@ -1179,7 +1179,7 @@ class Net_SSH2 {
'9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' . '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' . 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
'3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF'); '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF');
$keyLength = $keyLength < 160 ? $keyLength : 160; $keyLength = $keyLength < 20 ? $keyLength : 20;
$hash = 'sha1'; $hash = 'sha1';
} }
@ -1194,7 +1194,7 @@ class Net_SSH2 {
-- http://tools.ietf.org/html/rfc4419#section-6.2 */ -- http://tools.ietf.org/html/rfc4419#section-6.2 */
$q = new Math_BigInteger(1); $q = new Math_BigInteger(1);
$q = $q->bitwise_leftShift(2 * $keyLength); $q = $q->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength
$q = $q->subtract(new Math_BigInteger(1)); $q = $q->subtract(new Math_BigInteger(1));
$g = new Math_BigInteger(2); $g = new Math_BigInteger(2);