| 0,0 → 1,109 |
|---|
| <?php |
| |
| |
| /* |
| V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved. |
| Contributed by Ross Smith (adodb@netebb.com). |
| Released under both BSD license and Lesser GPL library license. |
| Whenever there is any discrepancy between the two licenses, |
| the BSD license will take precedence. |
| Set tabs to 4 for best viewing. |
| |
| */ |
| |
| if (!function_exists('mcrypt_encrypt')) { |
| trigger_error('Mcrypt functions are not available', E_USER_ERROR); |
| return 0; |
| } |
| |
| /** |
| */ |
| class ADODB_Encrypt_MCrypt { |
| /** |
| */ |
| var $_cipher; |
| |
| /** |
| */ |
| var $_mode; |
| |
| /** |
| */ |
| var $_source; |
| |
| /** |
| */ |
| function getCipher() { |
| return $this->_cipher; |
| } |
| |
| /** |
| */ |
| function setCipher($cipher) { |
| $this->_cipher = $cipher; |
| } |
| |
| /** |
| */ |
| function getMode() { |
| return $this->_mode; |
| } |
| |
| /** |
| */ |
| function setMode($mode) { |
| $this->_mode = $mode; |
| } |
| |
| /** |
| */ |
| function getSource() { |
| return $this->_source; |
| } |
| |
| /** |
| */ |
| function setSource($source) { |
| $this->_source = $source; |
| } |
| |
| /** |
| */ |
| function ADODB_Encrypt_MCrypt($cipher = null, $mode = null, $source = null) { |
| if (!$cipher) { |
| $cipher = MCRYPT_RIJNDAEL_256; |
| } |
| if (!$mode) { |
| $mode = MCRYPT_MODE_ECB; |
| } |
| if (!$source) { |
| $source = MCRYPT_RAND; |
| } |
| |
| $this->_cipher = $cipher; |
| $this->_mode = $mode; |
| $this->_source = $source; |
| } |
| |
| /** |
| */ |
| function write($data, $key) { |
| $iv_size = mcrypt_get_iv_size($this->_cipher, $this->_mode); |
| $iv = mcrypt_create_iv($iv_size, $this->_source); |
| return mcrypt_encrypt($this->_cipher, $key, $data, $this->_mode, $iv); |
| } |
| |
| /** |
| */ |
| function read($data, $key) { |
| $iv_size = mcrypt_get_iv_size($this->_cipher, $this->_mode); |
| $iv = mcrypt_create_iv($iv_size, $this->_source); |
| $rv = mcrypt_decrypt($this->_cipher, $key, $data, $this->_mode, $iv); |
| return rtrim($rv, "\0"); |
| } |
| |
| } |
| |
| return 1; |
| |
| ?> |