using System;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        string password = string.Empty;

        Console.WriteLine("Write Password: \n");

        password = Console.ReadLine();

        if(password.Length > 0)

        {

            string hash = GeneratePasswordHash(password);

            Console.WriteLine("\n\n PasswordHash: " + hash);

        }

        bool isHash = ConfirmPasswordHash("Pass1234", "TXEBwrGaHoG/T731TN3X0OuykJ7jNuNiu56PCPjPcnznMeDA");

        Console.Write("Is Hash " + isHash);

    }

    private static string GeneratePasswordHash(string password)

        {

            string passwordHash = string.Empty;

            using (RNGCryptoServiceProvider rngCsp = new RNGCryptoServiceProvider())

            {

                byte[] salt;

                byte[] hash;

​

                rngCsp.GetBytes(salt = new byte[16]);

​

                using (Rfc2898DeriveBytes pbkdf2 = new Rfc2898DeriveBytes(password, salt, 10000))

                    hash = pbkdf2.GetBytes(20);

​

                byte[] hashBytes = new byte[36];

                Array.Copy(salt, 0, hashBytes, 0, 16);

                Array.Copy(hash, 0, hashBytes, 16, 20);

​

                passwordHash = Convert.ToBase64String(hashBytes);

            }

​

            return passwordHash;

        }

​

        private static bool ConfirmPasswordHash(string loginPassword, string userPasswordHash)

        {

            byte[] hashBytes = Convert.FromBase64String(userPasswordHash);

            byte[] salt = new byte[16];

            byte[] hash;

            Array.Copy(hashBytes, 0, salt, 0, 16);

​

            using (Rfc2898DeriveBytes pbkdf2 = new Rfc2898DeriveBytes(loginPassword, salt, 10000))

                hash = pbkdf2.GetBytes(20);

​

            for (int i = 0; i < 20; i++)

                if (hashBytes[i + 16] != hash[i])

                    return false;

​

            return true;

        }

}