using System;

using System.Security.Cryptography;

using System.Text;

using System.Xml;

using System.Net;

using System.IO;

public class Program

{

    public static void Main()

    {

        string pas = "iLoveDogs";

        string  outputNonce;

        var res = GetPasswordDigestAsBase64(pas, out outputNonce);

        Console.WriteLine(res);

        Console.WriteLine(outputNonce);

    }

    public static string GetPasswordDigestAsBase64(string inputPassword, out string outputNonce)

        {

            // generate a cryptographically strong random value

            RandomNumberGenerator rndGenerator = new RNGCryptoServiceProvider();

            byte[] _nonce = new Byte[16];

            rndGenerator.GetBytes(_nonce);

​

            outputNonce = Convert.ToBase64String(_nonce);

            outputNonce = "0TBQcVnd9H4uGi1jGxqJWg==";

        _nonce = Convert.FromBase64String(outputNonce);

​

            // get other operands to the right format

            byte[] time = Encoding.UTF8.GetBytes("2014-06-21T12:43:21.791Z");//DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ssZ"));

            byte[] pwd = Encoding.UTF8.GetBytes(inputPassword);

            byte[] operand = new byte[_nonce.Length + time.Length + pwd.Length];

            Array.Copy(_nonce, operand, _nonce.Length);

            Array.Copy(time, 0, operand, _nonce.Length, time.Length);

            Array.Copy(pwd, 0, operand, _nonce.Length + time.Length, pwd.Length);

​

            // create the hash

            SHA1 sha1 = SHA1.Create();

            return Convert.ToBase64String(sha1.ComputeHash(operand));

        }

}