Файл: include/adodb/session/adodb-encrypt-mcrypt.php
Строк: 59
<?php
/*
@version v5.20.12 30-Mar-2018
@copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
@copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
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 = $source;
}
/**
*/
function __construct($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, " ");
}
}
return 1;