/// <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>
/// <param name="isSort">是否对待签名数组排序</param>
/// <returns>签名验证结果</returns>
private bool GetSignVeryfy(Dictionary <string, string> inputPara, string sign, bool isSort)
{
BaseService.WriteLog("RSA获取返回时的签名验证结果： AlipayNotify.GetSignVeryfy()");
BaseService.WriteLog("sign: " + sign);
BaseService.WriteLog("isSort: " + isSort);
Dictionary <string, string> sPara = new Dictionary <string, string>();
//过滤空值、sign与sign_type参数
sPara = AlipayCore.FilterPara(inputPara);
if (isSort)
{
//根据字母a到z的顺序把参数排序
sPara = AlipayCore.SortPara(sPara);
BaseService.WriteLog("排序后 sPara: " + sPara.ToString());
}
//获取待签名字符串
string preSignStr = AlipayCore.CreateLinkString(sPara);
BaseService.WriteLog("preSignStr: " + preSignStr);
//获得签名验证结果
bool isSgin = false;
if (sign != null && sign != "")
{
BaseService.WriteLog("_sign_type: " + _sign_type);
switch (_sign_type)
{
case "MD5":
isSgin = AlipayMD5.Verify(preSignStr, sign, _key, _input_charset);
break;
case "RSA":
isSgin = RSAFromPkcs8.verify(preSignStr, sign, _public_key, _input_charset);
break;
case "0001":
isSgin = RSAFromPkcs8.verify(preSignStr, sign, _public_key, _input_charset);
break;
default:
break;
}
}
BaseService.WriteLog("isSgin: " + isSgin);
return(isSgin);
}