using System;

using System.Security.Cryptography;

using System.Text;

​

public class Program {

    public static string GetPassword(string UserName, string Pwd, string Token) {

        return Hash(UserName.ToUpper() + "|" + Pwd + "|" + Token);

    }

    private static string Hash(string ToHash) {

        // First we need to convert the string into bytes, which means using a text encoder.

        Encoder enc = System.Text.Encoding.ASCII.GetEncoder();

        // Create a buffer large enough to hold the string

        byte[] data = new byte[ToHash.Length];

        enc.GetBytes(ToHash.ToCharArray(), 0, ToHash.Length, data, 0, true);

        // This is one implementation of the abstract class MD5.

        MD5 md5 = new MD5CryptoServiceProvider();

        byte[] result = md5.ComputeHash(data);

        return BitConverter.ToString(result).Replace("-", "").ToLower();

    }

    public static void Main(string[] args)

    {

     Console.Write(GetPassword("User","Password","Token"));

    }

}