public function decrypt() {
        $iv_size = mcrypt_get_iv_size(MCRYPT_BLOWFISH, MCRYPT_MODE_ECB);
        $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
        $decrypttext = mcrypt_decrypt(MCRYPT_BLOWFISH, $this->key, $this->data, MCRYPT_MODE_ECB, $iv);
        return trim($decrypttext);