CmJUagJsBTsDdAY2Bzc=
This is encrypted and I found an encryption script on the server
Code: Select all
<?php
/**
*
*
* This class enables you to do encryption, decryption of strings.
*
*
*/
class EncryptionManager {
private $encryption_key = '';
private $hash_type = 'sha1';
private $mcrypt_exists = FALSE;
private $mcrypt_cipher;
private $mcrypt_mode;
/**
* Constructor
*
* Simply determines whether the mcrypt library exists.
*
*/
function __construct($key = '')
{
if (trim($key) != '')
{
$this->encryption_key = $key;
}
else
{
$config = ConfigManager::getInstance();
$key = $config->item('encryption_key');
if ($key === FALSE)
{
$error = ErrorManager::getInstance();
$error->showError('In order to use the encryption class requires that you set an encryption key
in your config file.');
}
$this->encryption_key = $key;
}
$this->mcrypt_exists = (function_exists('mcrypt_encrypt')) ? TRUE : FALSE;
}
// --------------------------------------------------------------------
/**
* Fetch the encryption key
*
* Returns it as MD5 in order to have an exact-length 128 bit key.
* Mcrypt is sensitive to keys that are not the correct length
*
* @access public
* @param string
* @return string
*/
private function get_key()
{
return $this->encryption_key;
}
// --------------------------------------------------------------------
/**
* Set the encryption key
*
* @access public
* @param string
* @return void
*/
public function set_key($key = '')
{
$this->encryption_key = $key;
}
// --------------------------------------------------------------------
/**
* Encode
*
* Encodes the message string using bitwise XOR encoding.
* The key is combined with a random hash, and then it
* too gets converted using XOR. The whole thing is then run
* through mcrypt (if supported) using the randomized key.
* The end result is a double-encrypted message string
* that is randomized with each call to this function,
* even if the supplied message and key are the same.
*
* @access public
* @param string the string to encode
* @param string the key
* @return string
*/
public function encode($string, $urlEncode = FALSE)
{
$key = $this->get_key();
$enc = $this->_xor_encode($string, $key);
if ($this->mcrypt_exists === TRUE)
{
$enc = $this->mcrypt_encode($enc, $key);
}
if ($urlEncode === TRUE)
{
return urlencode(base64_encode($enc));
}
else
{
return base64_encode($enc);
}
}
// --------------------------------------------------------------------
/**
* Decode
*
* Reverses the above process
*
* @access public
* @param string
* @param string
* @return string
*/
public function decode($string, $urlDecode = FALSE)
{
if ($urlDecode === TRUE)
{
$string = urldecode($string);
}
$key = $this->get_key();
$dec = base64_decode($string);
if ($dec === FALSE)
{
return FALSE;
}
if ($this->mcrypt_exists === TRUE)
{
$dec = $this->mcrypt_decode($dec, $key);
}
return $this->_xor_decode($dec, $key);
}
// --------------------------------------------------------------------
/**
* XOR Encode
*
* Takes a plain-text string and key as input and generates an
* encoded bit-string using XOR
*
* @access private
* @param string
* @param string
* @return string
*/
private function _xor_encode($string, $key)
{
$rand = '';
while (strlen($rand) < 32)
{
$rand .= mt_rand(0, mt_getrandmax());
}
$rand = $this->hash($rand);
$enc = '';
for ($i = 0; $i < strlen($string); $i++)
{
$enc .= substr($rand, ($i % strlen($rand)), 1).(substr($rand, ($i % strlen($rand)), 1) ^ substr($string,
$i, 1));
}
return $this->_xor_merge($enc, $key);
}
// --------------------------------------------------------------------
/**
* XOR Decode
*
* Takes an encoded string and key as input and generates the
* plain-text original message
*
* @access private
* @param string
* @param string
* @return string
*/
private function _xor_decode($string, $key)
{
$string = $this->_xor_merge($string, $key);
$dec = '';
for ($i = 0; $i < strlen($string); $i++)
{
$dec .= (substr($string, $i++, 1) ^ substr($string, $i, 1));
}
return $dec;
}
// --------------------------------------------------------------------
/**
* XOR key + string Combiner
*
* Takes a string and key as input and computes the difference using XOR
*
* @access private
* @param string
* @param string
* @return string
*/
private function _xor_merge($string, $key)
{
$hash = $this->hash($key);
$str = '';
for ($i = 0; $i < strlen($string); $i++)
{
$str .= substr($string, $i, 1) ^ substr($hash, ($i % strlen($hash)), 1);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Encrypt using Mcrypt
*
* @access public
* @param string
* @param string
* @return string
*/
private function mcrypt_encode($data, $key)
{
$init_size = mcrypt_get_iv_size($this->_get_cipher(), $this->_get_mode());
$init_vect = mcrypt_create_iv($init_size, MCRYPT_RAND);
return mcrypt_encrypt($this->_get_cipher(), $key, $data, $this->_get_mode(), $init_vect);
}
// --------------------------------------------------------------------
/**
* Decrypt using Mcrypt
*
* @access public
* @param string
* @param string
* @return string
*/
public function mcrypt_decode($data, $key)
{
$init_size = mcrypt_get_iv_size($this->_get_cipher(), $this->_get_mode());
$init_vect = mcrypt_create_iv($init_size, MCRYPT_RAND);
return rtrim(mcrypt_decrypt($this->_get_cipher(), $key, $data, $this->_get_mode(), $init_vect), "\0");
}
// --------------------------------------------------------------------
/**
* Set the Mcrypt Cipher
*
* @access public
* @param constant
* @return string
*/
public function set_cipher($cipher)
{
$this->mcrypt_cipher = $cipher;
}
// --------------------------------------------------------------------
/**
* Set the Mcrypt Mode
*
* @access public
* @param constant
* @return string
*/
public function set_mode($mode)
{
$this->mcrypt_mode = $mode;
}
// --------------------------------------------------------------------
/**
* Get Mcrypt cipher Value
*
* @access private
* @return string
*/
private function _get_cipher()
{
if ($this->mcrypt_cipher == '')
{
$this->mcrypt_cipher = MCRYPT_RIJNDAEL_256;
}
return $this->mcrypt_cipher;
}
// --------------------------------------------------------------------
/**
* Get Mcrypt MOde Value
*
* @access private
* @return string
*/
private function _get_mode()
{
if ($this->mcrypt_mode == '')
{
$this->mcrypt_mode = MCRYPT_MODE_ECB;
}
return $this->mcrypt_mode;
}
// --------------------------------------------------------------------
/**
* Set the Hash type
*
* @access public
* @param string
* @return string
*/
public function set_hash($type = 'sha1')
{
$this->hash_type = ($type != 'sha1' AND $type != 'md5') ? 'sha1' : $type;
}
// --------------------------------------------------------------------
/**
* Hash encode a string
*
* @access public
* @param string
* @return string
*/
public function hash($str)
{
return ($this->hash_type == 'sha1') ? $this->sha1($str) : md5($str);
}
// --------------------------------------------------------------------
/**
* Generate an SHA1 Hash
*
* @access public
* @param string
* @return string
*/
public function sha1($str)
{
if ( ! function_exists('sha1'))
{
if ( ! function_exists('mhash'))
{
require_once(LIBPATH.'Sha.php');
$SH = new SHA;
return $SH->generate($str);
}
else
{
return bin2hex(mhash(MHASH_SHA1, $str));
}
}
else
{
return sha1($str);
}
}
}
// END Encrypt class
?>
I know little to nothing of scripts/php/mysql, etc. I just need to get that password decryted so we can move forward. Any advice?