//Rextester.Program.Main is the entry point for your code. Don't change it.

//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

​

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text.RegularExpressions;

using System.Security.Cryptography;

using System.Text;

namespace Rextester

{

    public class Program

    {

        public static byte[] GetHashTextBytes(char[] text)

        {

            Encoding unicode = Encoding.Unicode;

            byte[] numArray = new byte[unicode.GetMaxByteCount(text.Length)];

            try

            {

                int bytes = unicode.GetBytes(text, 0, text.Length, numArray, 0);

                return (new SHA256Managed()).ComputeHash(numArray, 0, bytes);

            }

            finally

            {

                Array.Clear((Array)numArray, 0, numArray.Length);

            }

        }

​

        public static string GetPasswordHash(string password)

        {

            var passwordHash = Convert.ToBase64String(GetHashTextBytes(password.ToCharArray()));

            return passwordHash;

        }

        public static void Main(string[] args)

        {

                Console.WriteLine(GetPasswordHash("85241521"));

        }

    }

}