using System;

using System.Security.Cryptography;

using System.Text;

public class Program

{

    public static void Main()

    {

        var hash = CreateHash("guid", "salt");

        Console.WriteLine($"Novo Hash Gerado: {hash}");

    }

    public static string CreateHash(string password, string saltString)

    {

        var bytes = Encoding.UTF8.GetBytes(password + saltString);

        return Convert.ToBase64String(SHA512.Create().ComputeHash(bytes));

    }

}