private function _getRememberMeCredentials()
    {
        $credentials = array();
        $remember = get_hash('AN_LOGIN_REMEMBER');

        if (isset($_COOKIE[$remember]) && !empty($_COOKIE[$remember])) {
            $key = get_hash('AN_LOGIN_REMEMBER', 'md5');
            $crypt = $this->getService('anahita:encrypter', array('key' => $key, 'cipher' => 'AES-256-CBC'));
            $cookie = $crypt->decrypt($_COOKIE[$remember]);

            try {
                $credentials = (array) unserialize($cookie);
            } catch (RuntimeException $e) {
                error_log($e->getMessage());
            }
        }

        return $credentials;
    }