public static bool ValidateAppResponse(string jsonData, Encoding encoding)
{
log.Info("二维码返回报文验签：[" + jsonData + "]");
//获取签名
Dictionary <string, object> data = SDKUtil.JsonToDictionary(jsonData);
string stringData = (string)data["data"];
string signValue = (string)data["sign"];
Dictionary <string, string> dataMap = SDKUtil.parseQString(stringData, encoding);
byte[] signByte = Convert.FromBase64String(signValue);
byte[] signDigest = SecurityUtil.Sha1(stringData, encoding);
string stringSignDigest = BitConverter.ToString(signDigest).Replace("-", "").ToLower();
log.Debug("sha1结果：[" + stringSignDigest + "]");
AsymmetricKeyParameter key = CertUtil.GetValidateKeyFromPath(dataMap["cert_id"]);
if (null == key)
{
log.Error("未找到证书，无法验签，验签失败。");
return(false);
}
bool result = SecurityUtil.ValidateSha1WithRsa(key, signByte, encoding.GetBytes(stringSignDigest));
if (result)
{
log.Info("验签成功");
}
else
{
log.Info("验签失败");
}
return(result);
}
