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DES: $block wasn't defined

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This commit is contained in:
terrafrost 2013-03-04 08:25:40 -06:00
parent c4b3288851
commit 5f64ab67ab
1 changed files with 4 additions and 2 deletions
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6
phpseclib/Crypt/DES.php
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@ -656,12 +656,13 @@ class Crypt_DES {
$xor = $this->encryptIV;
if (strlen($buffer['xor'])) {
for ($i = 0; $i < strlen($plaintext); $i+=8) {
$block = substr($plaintext, $i, 8);
if (strlen($block) > strlen($buffer['xor'])) {
$xor = $this->_processBlock($xor, CRYPT_DES_ENCRYPT);
$buffer['xor'].= $xor;
}
$key = $this->_string_shift($buffer['xor'], 8);
$ciphertext.= substr($plaintext, $i, 8) ^ $key;
$ciphertext.= $block ^ $key;
}
} else {
for ($i = 0; $i < strlen($plaintext); $i+=8) {
@ -845,12 +846,13 @@ class Crypt_DES {
$xor = $this->decryptIV;
if (strlen($buffer['xor'])) {
for ($i = 0; $i < strlen($ciphertext); $i+=8) {
$block = substr($plaintext, $i, 8);
if (strlen($block) > strlen($buffer['xor'])) {
$xor = $this->_processBlock($xor, CRYPT_DES_ENCRYPT);
$buffer['xor'].= $xor;
}
$key = $this->_string_shift($buffer['xor'], 8);
$plaintext.= substr($ciphertext, $i, 8) ^ $key;
$plaintext.= $block ^ $key;
}
} else {
for ($i = 0; $i < strlen($ciphertext); $i+=8) {