/** * 获取返回时签名验证结果 * * @param NotifyParam $param * @param $sign * * @return bool */ public function getSignVerify(NotifyParam $param, $sign) { $param->filter(); $param->sort(); $param_str = $param->getParamString(); $isSign = EncryptionFactory::create($this->config)->verify($param_str, $sign); return $isSign; }