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// Fix Blowfish for autoload

Browse Source 
git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@11022 b9a71923-0436-4b27-9f14-aed3839534dd
This commit is contained in:
rMalie
2011-12-07 10:10:46 +00:00
parent c8fc8d1733
commit f6cf5ff6ed
1 changed files with 144 additions and 146 deletions
Download Patch File Download Diff File Expand all files Collapse all files
classes/Blowfish.php
+144 -146
View File
@@ -28,6 +28,54 @@
define('PS_UNPACK_NATIVE', 1);
define('PS_UNPACK_MODIFIED', 2);
class BlowfishCore extends Crypt_Blowfish
{
function encrypt($plaintext)
{
if (($length = strlen($plaintext)) >= 1048576)
return false;
$ciphertext = '';
$paddedtext = $this->maxi_pad($plaintext);
$strlen = strlen($paddedtext);
for($x = 0; $x < $strlen; $x += 8)
{
$piece = substr($paddedtext, $x, 8);
$cipher_piece = parent::encrypt($piece);
$encoded = base64_encode($cipher_piece);
$ciphertext = $ciphertext.$encoded;
}
return $ciphertext.sprintf('%06d', $length);
}
function decrypt($ciphertext)
{
$plainTextLength = intval(substr($ciphertext, -6));
$ciphertext = substr($ciphertext, 0, -6);
$plaintext = '';
$chunks = explode('=', $ciphertext);
$ending_value = sizeof($chunks) ;
for($counter = 0; $counter < ($ending_value - 1); $counter++)
{
$chunk = $chunks[$counter].'=';
$decoded = base64_decode($chunk);
$piece = parent::decrypt($decoded);
$plaintext = $plaintext.$piece;
}
return substr($plaintext, 0, $plainTextLength);
}
function maxi_pad($plaintext)
{
$str_len = sizeof($plaintext);
$pad_len = $str_len % 8;
for($x = 0; $x < $pad_len; $x++)
$plaintext = $plaintext.' ';
return $plaintext;
}
}
class Crypt_Blowfish
{
@@ -39,7 +87,7 @@ class Crypt_Blowfish
0x9216D5D9, 0x8979FB1B
);
var $_S = array(
var $_S = array(
array(
0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7,
0xB8E1AFED, 0x6A267E96, 0xBA7C9045, 0xF12C7F99,
@@ -305,120 +353,120 @@ class Crypt_Blowfish
0xB74E6132, 0xCE77E25B, 0x578FDFE3, 0x3AC372E6
)
);
var $_iv = NULL;
var $_iv = NULL;
protected $_unpackMode = PS_UNPACK_NATIVE;
function __construct($key, $iv)
{
function __construct($key, $iv)
{
$_iv = $iv;
$len = strlen($key);
$k = 0;
$data = 0;
$datal = 0;
$datar = 0;
$k = 0;
$data = 0;
$datal = 0;
$datar = 0;
if (PHP_VERSION_ID == '50201' OR PHP_VERSION_ID == '50206')
$this->_unpackMode = PS_UNPACK_MODIFIED;
for ($i = 0; $i < 18; $i++)
for ($i = 0; $i < 18; $i++)
{
$data = 0;
for ($j = 4; $j > 0; $j--)
$data = 0;
for ($j = 4; $j > 0; $j--)
{
$data = $data << 8 | ord($key{$k});
$k = ($k + 1) % $len;
}
$this->_P[$i] ^= $data;
}
for ($i = 0; $i <= 16; $i += 2) {
$this->_encipher($datal, $datar);
$this->_P[$i] = $datal;
$this->_P[$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[0][$i] = $datal;
$this->_S[0][$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[1][$i] = $datal;
$this->_S[1][$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[2][$i] = $datal;
$this->_S[2][$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[3][$i] = $datal;
$this->_S[3][$i+1] = $datar;
}
}
}
$this->_P[$i] ^= $data;
}
function _encipher(&$Xl, &$Xr)
{
for ($i = 0; $i < 16; $i++) {
$temp = $Xl ^ $this->_P[$i];
$Xl = ((($this->_S[0][($temp>>24) & 255] +
$this->_S[1][($temp>>16) & 255]) ^
$this->_S[2][($temp>>8) & 255]) +
$this->_S[3][$temp & 255]) ^ $Xr;
$Xr = $temp;
}
$Xr = $Xl ^ $this->_P[16];
$Xl = $temp ^ $this->_P[17];
}
for ($i = 0; $i <= 16; $i += 2) {
$this->_encipher($datal, $datar);
$this->_P[$i] = $datal;
$this->_P[$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[0][$i] = $datal;
$this->_S[0][$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[1][$i] = $datal;
$this->_S[1][$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[2][$i] = $datal;
$this->_S[2][$i+1] = $datar;
}
for ($i = 0; $i < 256; $i += 2) {
$this->_encipher($datal, $datar);
$this->_S[3][$i] = $datal;
$this->_S[3][$i+1] = $datar;
}
}
function _decipher(&$Xl, &$Xr)
{
for ($i = 17; $i > 1; $i--)
function _encipher(&$Xl, &$Xr)
{
for ($i = 0; $i < 16; $i++) {
$temp = $Xl ^ $this->_P[$i];
$Xl = ((($this->_S[0][($temp>>24) & 255] +
$this->_S[1][($temp>>16) & 255]) ^
$this->_S[2][($temp>>8) & 255]) +
$this->_S[3][$temp & 255]) ^ $Xr;
$Xr = $temp;
}
$Xr = $Xl ^ $this->_P[16];
$Xl = $temp ^ $this->_P[17];
}
function _decipher(&$Xl, &$Xr)
{
for ($i = 17; $i > 1; $i--)
{
$temp = $Xl ^ $this->_P[$i];
$Xl = ((($this->_S[0][($temp>>24) & 255] +
$this->_S[1][($temp>>16) & 255]) ^
$this->_S[2][($temp>>8) & 255]) +
$this->_S[3][$temp & 255]) ^ $Xr;
$Xr = $temp;
}
$Xr = $Xl ^ $this->_P[1];
$Xl = $temp ^ $this->_P[0];
}
$temp = $Xl ^ $this->_P[$i];
$Xl = ((($this->_S[0][($temp>>24) & 255] +
$this->_S[1][($temp>>16) & 255]) ^
$this->_S[2][($temp>>8) & 255]) +
$this->_S[3][$temp & 255]) ^ $Xr;
$Xr = $temp;
}
$Xr = $Xl ^ $this->_P[1];
$Xl = $temp ^ $this->_P[0];
}
function encrypt($plainText)
{
$cipherText = '';
$len = strlen($plainText);
$plainText .= str_repeat(chr(0), (8 - ($len % 8)) % 8);
for ($i = 0; $i < $len; $i += 8)
function encrypt($plainText)
{
$cipherText = '';
$len = strlen($plainText);
$plainText .= str_repeat(chr(0), (8 - ($len % 8)) % 8);
for ($i = 0; $i < $len; $i += 8)
{
list(, $Xl, $Xr) = ($this->_unpackMode == PS_UNPACK_NATIVE ? unpack('N2', substr($plainText, $i, 8)) : $this->myUnpackN2(substr($plainText, $i, 8)));
$this->_encipher($Xl, $Xr);
$cipherText .= pack('N2', $Xl, $Xr);
}
return $cipherText;
}
list(, $Xl, $Xr) = ($this->_unpackMode == PS_UNPACK_NATIVE ? unpack('N2', substr($plainText, $i, 8)) : $this->myUnpackN2(substr($plainText, $i, 8)));
$this->_encipher($Xl, $Xr);
$cipherText .= pack('N2', $Xl, $Xr);
}
return $cipherText;
}
function decrypt($cipherText)
{
$plainText = '';
$len = strlen($cipherText);
$cipherText .= str_repeat(chr(0), (8 - ($len % 8)) % 8);
for ($i = 0; $i < $len; $i += 8)
function decrypt($cipherText)
{
$plainText = '';
$len = strlen($cipherText);
$cipherText .= str_repeat(chr(0), (8 - ($len % 8)) % 8);
for ($i = 0; $i < $len; $i += 8)
{
list(, $Xl, $Xr) = ($this->_unpackMode == PS_UNPACK_NATIVE ? unpack('N2', substr($cipherText, $i, 8)) : $this->myUnpackN2(substr($cipherText, $i, 8)));
$this->_decipher($Xl, $Xr);
$plainText .= pack('N2', $Xl, $Xr);
}
return $plainText;
}
list(, $Xl, $Xr) = ($this->_unpackMode == PS_UNPACK_NATIVE ? unpack('N2', substr($cipherText, $i, 8)) : $this->myUnpackN2(substr($cipherText, $i, 8)));
$this->_decipher($Xl, $Xr);
$plainText .= pack('N2', $Xl, $Xr);
}
return $plainText;
}
function myUnpackN($str)
{
if (pack('L', 0x6162797A) == pack('V', 0x6162797A))
@@ -430,55 +478,5 @@ class Crypt_Blowfish
function myUnpackN2($str)
{
return array('1' => $this->myUnpackN($str), '2' => $this->myUnpackN(substr($str, 4)));
}
}
class BlowfishCore extends Crypt_Blowfish
{
function encrypt($plaintext)
{
if (($length = strlen($plaintext)) >= 1048576)
return false;
$ciphertext = '';
$paddedtext = $this->maxi_pad($plaintext);
$strlen = strlen($paddedtext);
for($x = 0; $x < $strlen; $x += 8)
{
$piece = substr($paddedtext, $x, 8);
$cipher_piece = parent::encrypt($piece);
$encoded = base64_encode($cipher_piece);
$ciphertext = $ciphertext.$encoded;
}
return $ciphertext.sprintf('%06d', $length);
}
function decrypt($ciphertext)
{
$plainTextLength = intval(substr($ciphertext, -6));
$ciphertext = substr($ciphertext, 0, -6);
$plaintext = '';
$chunks = explode('=', $ciphertext);
$ending_value = sizeof($chunks) ;
for($counter = 0; $counter < ($ending_value - 1); $counter++)
{
$chunk = $chunks[$counter].'=';
$decoded = base64_decode($chunk);
$piece = parent::decrypt($decoded);
$plaintext = $plaintext.$piece;
}
return substr($plaintext, 0, $plainTextLength);
}
function maxi_pad($plaintext)
{
$str_len = sizeof($plaintext);
$pad_len = $str_len % 8;
for($x = 0; $x < $pad_len; $x++)
$plaintext = $plaintext.' ';
return $plaintext;
}
}