mirror of
https://github.com/WhatCD/Gazelle.git
synced 2024-12-15 03:46:25 +00:00
35 lines
1.1 KiB
PHP
35 lines
1.1 KiB
PHP
<?
|
|
/*************************************************************************|
|
|
|--------------- Encryption class ----------------------------------------|
|
|
|*************************************************************************|
|
|
|
|
This class handles encryption and decryption, that's all folks.
|
|
|
|
|*************************************************************************/
|
|
|
|
if (!extension_loaded('mcrypt')) {
|
|
error('Mcrypt Extension not loaded.');
|
|
}
|
|
|
|
class CRYPT {
|
|
public function encrypt($Str,$Key=ENCKEY) {
|
|
srand();
|
|
$Str=str_pad($Str, 32-strlen($Str));
|
|
$IVSize=mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
|
|
$IV=mcrypt_create_iv($IVSize, MCRYPT_RAND);
|
|
$CryptStr=mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $Key, $Str, MCRYPT_MODE_CBC, $IV);
|
|
return base64_encode($IV.$CryptStr);
|
|
}
|
|
|
|
public function decrypt($CryptStr,$Key=ENCKEY) {
|
|
if ($CryptStr!='') {
|
|
$IV=substr(base64_decode($CryptStr),0,16);
|
|
$CryptStr=substr(base64_decode($CryptStr),16);
|
|
return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $Key, $CryptStr, MCRYPT_MODE_CBC,$IV));
|
|
} else {
|
|
return '';
|
|
}
|
|
}
|
|
} // class ENCRYPT()
|
|
?>
|