using System;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        string strUserId = "IPartner";

        string strPlainPwd = "i9@rtneru@t";

        string output = string.Empty;

        string hashedPwd = GetSHA1(strPlainPwd);

        string sAuthStr = strUserId + "|" + hashedPwd + "|" + DateTime.Now.ToString("s");

        byte[] bytesToEncode = Encoding.UTF8.GetBytes(sAuthStr);

        string sEncodedAuthStr = Convert.ToBase64String(bytesToEncode);

        Console.WriteLine(sEncodedAuthStr);

    }

    public static string GetSHA1(string value)

{

    SHA1 algorithm = SHA1.Create();

    byte[] data = algorithm.ComputeHash(Encoding.UTF8.GetBytes(value));

    string sh1 = "";

    for (int i = 0; i < data.Length; i++)

    {

        sh1 += data[i].ToString("x2").ToUpperInvariant();

​

    }

    return sh1;

​

}

}