using System;

using System.Collections.Generic;

​

namespace HashingSample

{

    //do not use unless you replace hashing with a stronger hashing algorithm like SHA256

    public class User

    {

        #region Methods

        public bool IsValidPassword(string password)

        {

            return (password + PasswordSalt).GetHashCode() == PasswordHash;

        }

        #endregion

​

        #region Properties

        public string Username { get; set; }

        public string Password {

            set

            {

                PasswordSalt = Guid.NewGuid().ToString();

                PasswordHash = (value + PasswordSalt).GetHashCode();

            }

        }

​

        public int PasswordHash { get; set; }

        public string PasswordSalt { get; set; }

        #endregion

    }

​

    class Program

    {

        static void Main(string[] args)

        {

            var user1 = new User();

            user1.Username = "ilyab";

            user1.Password = "password123";

​

            var user2 = new User();

            user2.Username = "ceasarm";

            user2.Password = "password123";

​

​

            if (user1.IsValidPassword("password123")) Console.WriteLine("Password is correct!");

        }

    }

}

​