using System;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string salt = GenerateSalt();

        Console.WriteLine("salt: " + salt);

        string hash = GenerateHashWithSalt("password", salt);

        Console.WriteLine("hash: " + hash);

    }

    static string GenerateSalt()

    {

        int maxSaltLength = 64;

        var saltBytes = new byte[maxSaltLength];

        //using Random Number Generator (RNG) provided by the cryptographic service provider (CSP)

        using (var provider = new RNGCryptoServiceProvider())

        {

            //Fills an array of bytes with a cryptographically strong sequence of random nonzero values.

            provider.GetNonZeroBytes(saltBytes);

        }

        return Convert.ToBase64String(saltBytes);

    }

    static string GenerateHashWithSalt(string password, string salt)

    {

        var saltBytes = Convert.FromBase64String(salt); //convert salt to bytes

        int nIterations = 10101; //default 1000, mininum recommeded 10000

        int nHash = 64; //number of pseudo-random keys bytes to generate

        using (var rfc2898DeriveBytes = new Rfc2898DeriveBytes(password, saltBytes, nIterations))

        {

            return Convert.ToBase64String(rfc2898DeriveBytes.GetBytes(nHash)); //generates key

        }

    }

}