using System;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        var applicationId = ConvertToSid("titi", "toto");

        Console.WriteLine(applicationId);

    }

     public static string ConvertToSid(string username, string password)

        {

            using (var sha256 = SHA256.Create())

            {

                var hashedBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes("{username}-{password}"));

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

            }

        }

}