/// <summary>
/// 生成请求时的签名
/// </summary>
/// <param name="sPara">请求给支付宝的参数数组</param>
/// <returns>签名结果</returns>
private static string BuildRequestMysign(Dictionary <string, string> sPara)
{
//把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
string prestr = CreateLinkString(sPara);
//把最终的字符串签名，获得签名结果
string mysign = "";
switch (_sign_type)
{
case "MD5":
mysign = AlipayMD5.Sign(prestr, _key, _input_charset);
break;
case "RSA":
mysign = RSAFromPkcs8.sign(prestr, _private_key, _input_charset);
break;
default:
mysign = "";
break;
}
return(mysign);
}
/// <summary>
/// 获取返回时的签名验证结果
/// </summary>
/// <param name="inputPara">通知返回参数数组</param>
/// <param name="sign">对比的签名结果</param>
/// <returns>签名验证结果</returns>
private bool GetSignVeryfy(SortedDictionary <string, string> inputPara, string sign)
{
//bool isSign = false;
//if (!string.IsNullOrEmpty(sign))
//{
// //获得签名结果
// string mysign = AliPay.BuildRequestMysign(AliPay.FilterPara(inputPara));
// if (mysign == sign)
// {
// isSign = true;
// }
//}
//获取待签名字符串
string preSignStr = AliPay.CreateLinkString(AliPay.FilterPara(inputPara));
//获得签名验证结果
bool isSign = false;
if (!string.IsNullOrEmpty(sign))
{
switch (_sign_type)
{
case "MD5":
isSign = AlipayMD5.Verify(preSignStr, sign, _key, _input_charset);
break;
case "RSA":
isSign = RSAFromPkcs8.verify(preSignStr, sign, _public_key, _input_charset);
break;
default:
break;
}
}
return(isSign);
}