public static string SignPay(IDictionary <string, string> parameters, string key = "")
{
string str = SignHelper.BuildQuery(parameters, false);
str += $"&key={key}";
return(FormsAuthentication.HashPasswordForStoringInConfigFile(str, "MD5").ToUpper());
}
public static string SignPay(IDictionary <string, string> parameters, string key = "")
{
string text = SignHelper.BuildQuery(parameters, false);
text += string.Format("&key={0}", key);
return(FormsAuthentication.HashPasswordForStoringInConfigFile(text, "MD5").ToUpper());
}