/**
* Function prepared for debugging use to check user parameters.
*
* @param $data encoded data
* @param $encKey encryption key
* @param $encIv encryption IV
*
* @return array - user data
*/
public static function decodeGPNotebook($data, $encKey, $encIv)
{
$baseDecodedToken = base64_decode($data);
$decryptedToken = MCRYPT_DECRYPT(MCRYPT_RIJNDAEL_128, $encKey, $baseDecodedToken, MCRYPT_MODE_CBC, $encIv);
$cleanedToken = preg_replace("/}.*/", "}", $decryptedToken);
$userData = json_decode($cleanedToken);
return $userData;
}
/**
* decrypt a string using a reversible mode with mcrypt
* @param String $string String to encript
* @return String encripted
*/
public static function decrypt($string)
{
/*
* ------------------------------------------------
* ALGORITHMS
* ------------------------------------------------
* MCRYPT_3DES MCRYPT_PANAMA
* MCRYPT_ARCFOUR MCRYPT_RAND
* MCRYPT_ARCFOUR_IV MCRYPT_RC2
* MCRYPT_BLOWFISH MCRYPT_RC6
* MCRYPT_BLOWFISH_COMPAT MCRYPT_RIJNDAEL_128
* MCRYPT_CAST_128 MCRYPT_RIJNDAEL_192
* MCRYPT_CAST_256 MCRYPT_RIJNDAEL_256
* MCRYPT_CRYPT MCRYPT_SAFER128
* MCRYPT_DECRYPT MCRYPT_SAFER64
* MCRYPT_DES MCRYPT_SAFERPLUS
* MCRYPT_DEV_RANDOM MCRYPT_SERPENT
* MCRYPT_DEV_URANDOM MCRYPT_SKIPJACK
* MCRYPT_ENCRYPT MCRYPT_THREEWAY
* MCRYPT_ENIGNA MCRYPT_TRIPLEDES
* MCRYPT_GOST MCRYPT_TWOFISH
* MCRYPT_IDEA MCRYPT_WAKE
* MCRYPT_LOKI97 MCRYPT_XTEA
* MCRYPT_MARS
* ------------------------------------------------
* MODES
* ------------------------------------------------
* MCRYPT_MODE_CBC MCRYPT_MODE_NOFB
* MCRYPT_MODE_CFB MCRYPT_MODE_OFB
* MCRYPT_MODE_ECB MCRYPT_MODE_STREAM
*/
$algorithm = MCRYPT_RIJNDAEL_256;
$mode = MCRYPT_MODE_ECB;
$iv_size = mcrypt_get_iv_size($algorithm, $mode);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$key = "Curso-Yii2-Capa8tv";
$encrypt = base64_decode($string);
return MCRYPT_DECRYPT($algorithm, $key, $encrypt, $mode, $iv);
}
