| public static md5Verified ( $data ) : null | string | ||
| $data | ||
| return | null | string | |
public static function md5Verified($data)
{
$actual_data = substr($data, 0, -32);
$checksum = substr($data, -32);
if (md5($actual_data) === $checksum) {
return $actual_data;
}
return null;
} /**
* @param $text
* @param $key
* @return string|null
*/
protected function decryptSignature($text, $key)
{
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$decrypt = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($text), MCRYPT_MODE_ECB, $iv));
if (Yii::app()->params['no_md5_verify']) {
return $decrypt;
}
return Helper::md5Verified($decrypt);
}
