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SSH1: fix "Expected SSH_SMSG_SUCCESS" error

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terrafrost 2013-01-09 23:56:33 -06:00
parent b1c96faf90
commit c3ee632587
1 changed files with 5 additions and 6 deletions
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11
phpseclib/Net/SSH1.php
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@ -1230,16 +1230,15 @@ class Net_SSH1 {
// Presumably the part of PKCS#1 they're refering to is "Section 7.2.1 Encryption Operation", // Presumably the part of PKCS#1 they're refering to is "Section 7.2.1 Encryption Operation",
// under "7.2 RSAES-PKCS1-v1.5" and "7 Encryption schemes" of the following URL: // under "7.2 RSAES-PKCS1-v1.5" and "7 Encryption schemes" of the following URL:
// ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf
$temp = chr(0) . chr(2);
$modulus = $key[1]->toBytes(); $modulus = $key[1]->toBytes();
$length = strlen($modulus) - strlen($m) - 3; $length = strlen($modulus) - strlen($m) - 3;
$temp = ''; $random = '';
while (strlen($temp) != $length) { while (strlen($random) != $length) {
$block = crypt_random_string($length - strlen($temp)); $block = crypt_random_string($length - strlen($random));
$block = str_replace("\x00", '', $block); $block = str_replace("\x00", '', $block);
$temp.= $block; $random.= $block;
} }
$temp.= chr(0) . $m; $temp = chr(0) . chr(2) . $random . chr(0) . $m;
$m = new Math_BigInteger($temp, 256); $m = new Math_BigInteger($temp, 256);
$m = $m->modPow($key[0], $key[1]); $m = $m->modPow($key[0], $key[1]);