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- change $ecb to $this->ecb

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git-svn-id: http://phpseclib.svn.sourceforge.net/svnroot/phpseclib/trunk@124 21d32557-59b3-4da0-833f-c5933fad653e
This commit is contained in:
Jim Wigginton 2010-09-26 05:24:52 +00:00
parent 2140de74d0
commit a15cf62d3a
3 changed files with 51 additions and 33 deletions
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28
phpseclib/Crypt/AES.php
View File

@ -56,7 +56,7 @@
* @author Jim Wigginton <terrafrost@php.net>
* @copyright MMVIII Jim Wigginton
* @license http://www.gnu.org/licenses/lgpl.txt
* @version $Id: AES.php,v 1.9 2010-09-26 03:10:20 terrafrost Exp $
* @version $Id: AES.php,v 1.10 2010-09-26 05:24:52 terrafrost Exp $
* @link http://phpseclib.sourceforge.net
*/
@ -151,6 +151,16 @@ class Crypt_AES extends Crypt_Rijndael {
*/
var $demcrypt;
/**
* mcrypt resource for CFB mode
*
* @see Crypt_AES::encrypt()
* @see Crypt_AES::decrypt()
* @var String
* @access private
*/
var $ecb;
/**
* Default Constructor.
*
@ -282,11 +292,9 @@ class Crypt_AES extends Crypt_Rijndael {
// using mcrypt's default handing of CFB the above would output two different things. using phpseclib's
// rewritten CFB implementation the above outputs the same thing twice.
if ($this->mode == 'ncfb') {
static $ecb;
if ($changed) {
$ecb = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($ecb, $this->key, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
$this->ecb = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
}
if (strlen($this->enbuffer)) {
@ -309,7 +317,7 @@ class Crypt_AES extends Crypt_Rijndael {
if (strlen($ciphertext)) {
$this->encryptIV = substr($ciphertext, -16);
}
$this->encryptIV = mcrypt_generic($ecb, $this->encryptIV);
$this->encryptIV = mcrypt_generic($this->ecb, $this->encryptIV);
$this->enbuffer = substr($plaintext, $last_pos) ^ $this->encryptIV;
$ciphertext.= $this->enbuffer;
}
@ -359,11 +367,9 @@ class Crypt_AES extends Crypt_Rijndael {
}
*/
if ($this->mode == 'ncfb') {
static $ecb;
if ($changed) {
$ecb = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($ecb, $this->key, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
$this->ecb = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
}
if (strlen($this->debuffer)) {
@ -387,7 +393,7 @@ class Crypt_AES extends Crypt_Rijndael {
if (strlen($plaintext)) {
$this->decryptIV = substr($ciphertext, $last_pos - 16, 16);
}
$this->decryptIV = mcrypt_generic($ecb, $this->decryptIV);
$this->decryptIV = mcrypt_generic($this->ecb, $this->decryptIV);
$this->debuffer = substr($ciphertext, $last_pos);
$plaintext.= $this->debuffer ^ $this->decryptIV;
}

28
phpseclib/Crypt/DES.php
View File

@ -53,7 +53,7 @@
* @author Jim Wigginton <terrafrost@php.net>
* @copyright MMVII Jim Wigginton
* @license http://www.gnu.org/licenses/lgpl.txt
* @version $Id: DES.php,v 1.15 2010-09-26 03:10:20 terrafrost Exp $
* @version $Id: DES.php,v 1.16 2010-09-26 05:24:52 terrafrost Exp $
* @link http://phpseclib.sourceforge.net
*/
@ -268,6 +268,16 @@ class Crypt_DES {
*/
var $debuffer = '';
/**
* mcrypt resource for CFB mode
*
* @see Crypt_DES::encrypt()
* @see Crypt_DES::decrypt()
* @var String
* @access private
*/
var $ecb;
/**
* Default Constructor.
*
@ -446,11 +456,9 @@ class Crypt_DES {
if ($this->mode != 'ncfb') {
$ciphertext = mcrypt_generic($this->enmcrypt, $plaintext);
} else {
static $ecb;
if ($this->enchanged) {
$ecb = mcrypt_module_open(MCRYPT_DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($ecb, $this->keys, "\0\0\0\0\0\0\0\0");
$this->ecb = mcrypt_module_open(MCRYPT_DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($this->ecb, $this->keys, "\0\0\0\0\0\0\0\0");
$this->enchanged = false;
}
@ -474,7 +482,7 @@ class Crypt_DES {
if (strlen($ciphertext)) {
$this->encryptIV = substr($ciphertext, -8);
}
$this->encryptIV = mcrypt_generic($ecb, $this->encryptIV);
$this->encryptIV = mcrypt_generic($this->ecb, $this->encryptIV);
$this->enbuffer = substr($plaintext, $last_pos) ^ $this->encryptIV;
$ciphertext.= $this->enbuffer;
}
@ -623,11 +631,9 @@ class Crypt_DES {
if ($this->mode != 'ncfb') {
$plaintext = mdecrypt_generic($this->demcrypt, $ciphertext);
} else {
static $ecb;
if ($this->dechanged) {
$ecb = mcrypt_module_open(MCRYPT_DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($ecb, $this->keys, "\0\0\0\0\0\0\0\0");
$this->ecb = mcrypt_module_open(MCRYPT_DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($this->ecb, $this->keys, "\0\0\0\0\0\0\0\0");
$this->dechanged = false;
}
@ -652,7 +658,7 @@ class Crypt_DES {
if (strlen($plaintext)) {
$this->decryptIV = substr($ciphertext, $last_pos - 8, 8);
}
$this->decryptIV = mcrypt_generic($ecb, $this->decryptIV);
$this->decryptIV = mcrypt_generic($this->ecb, $this->decryptIV);
$this->debuffer = substr($ciphertext, $last_pos);
$plaintext.= $this->debuffer ^ $this->decryptIV;
}

28
phpseclib/Crypt/TripleDES.php
View File

@ -47,7 +47,7 @@
* @author Jim Wigginton <terrafrost@php.net>
* @copyright MMVII Jim Wigginton
* @license http://www.gnu.org/licenses/lgpl.txt
* @version $Id: TripleDES.php,v 1.16 2010-09-26 03:10:20 terrafrost Exp $
* @version $Id: TripleDES.php,v 1.17 2010-09-26 05:24:52 terrafrost Exp $
* @link http://phpseclib.sourceforge.net
*/
@ -221,6 +221,16 @@ class Crypt_TripleDES {
*/
var $debuffer = '';
/**
* mcrypt resource for CFB mode
*
* @see Crypt_TripleDES::encrypt()
* @see Crypt_TripleDES::decrypt()
* @var String
* @access private
*/
var $ecb;
/**
* Default Constructor.
*
@ -439,11 +449,9 @@ class Crypt_TripleDES {
if ($this->mode != 'ncfb') {
$ciphertext = mcrypt_generic($this->enmcrypt, $plaintext);
} else {
static $ecb;
if ($this->enchanged) {
$ecb = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($ecb, $this->key, "\0\0\0\0\0\0\0\0");
$this->ecb = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0");
$this->enchanged = false;
}
@ -467,7 +475,7 @@ class Crypt_TripleDES {
if (strlen($ciphertext)) {
$this->encryptIV = substr($ciphertext, -8);
}
$this->encryptIV = mcrypt_generic($ecb, $this->encryptIV);
$this->encryptIV = mcrypt_generic($this->ecb, $this->encryptIV);
$this->enbuffer = substr($plaintext, $last_pos) ^ $this->encryptIV;
$ciphertext.= $this->enbuffer;
}
@ -649,11 +657,9 @@ class Crypt_TripleDES {
if ($this->mode != 'ncfb') {
$plaintext = mdecrypt_generic($this->demcrypt, $ciphertext);
} else {
static $ecb;
if ($this->dechanged) {
$ecb = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($ecb, $this->key, "\0\0\0\0\0\0\0\0");
$this->ecb = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0");
$this->dechanged = false;
}
@ -678,7 +684,7 @@ class Crypt_TripleDES {
if (strlen($plaintext)) {
$this->decryptIV = substr($ciphertext, $last_pos - 8, 8);
}
$this->decryptIV = mcrypt_generic($ecb, $this->decryptIV);
$this->decryptIV = mcrypt_generic($this->ecb, $this->decryptIV);
$this->debuffer = substr($ciphertext, $last_pos);
$plaintext.= $this->debuffer ^ $this->decryptIV;
}