using System;

using System.Text;

using NSec.Cryptography;                    

​

public class Program

{

    public static void Main()

    {

        var hello = "Hello World";

        Console.WriteLine(hello);

        var hashParams = new Argon2Parameters(){

            DegreeOfParallelism = 1,

            MemorySize = 1024,

            NumberOfPasses = 5

        };

        var salt = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };

        var argon2 = PasswordBasedKeyDerivationAlgorithm.Argon2id(hashParams);

        var hash = argon2.DeriveBytes(hello, salt, 32);

        var encoded = Convert.ToBase64String(hash);

        Console.WriteLine(encoded);

        var decoded = Encoding.ASCII.GetString(hash);

        Console.WriteLine(decoded);

    }

}