using System;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        var currentToken = "89f25b569fca2ce88a97767dc1ffaf73";

​

        var type = 0; // 0 - List; 1 - Audit; 2 - Compare

        //var date = DateTime.Parse("08/09/2022 21:32:00");

        var date = DateTime.Parse("06/08/2022 22:21:00");

        //var date = DateTime.UtcNow.AddMinutes(-17).ToUniversalTime();

        //var date = DateTime.UtcNow.ToUniversalTime();

        var uName = "John Doe";

        var uEmail = "was.hacked@fool.end";

        var words = uName + "-" + uEmail + "-" + date;

​

        string result1 = "";

        string result2 = "";

​

        result1 = GetMd5HashTheRightWay(words);

        result2 = GetMd5Hash(words);

​

        if (type == 1) {

            Console.WriteLine(words);

            Console.WriteLine(result1);

            Console.WriteLine(result2.ToUpper());

            Console.WriteLine(result2);

            Console.WriteLine("Many Hashes:");

        }

​

        var limit = (type == 2) ? (60*60*24) : 300;

​

        for (var i=0; i<limit; i++) {

            var currentDate = date.AddSeconds(i);

            var currentWords = uName + "-" + uEmail + "-" + currentDate;

            var nerdWayHash = GetMd5Hash(currentWords);

            var isTheSameToken = (nerdWayHash == currentToken) ? "YES" : "NO";

            var msdnWayHash = GetMd5HashTheRightWay(currentWords);

            if (type == 0) {

                Console.WriteLine(nerdWayHash);

            } else if (type == 1) {

                Console.WriteLine(i + ": " + currentDate + " >> " + isTheSameToken + " ? " + currentToken + " == " + nerdWayHash + "|" + msdnWayHash);

            } else {

                if (isTheSameToken == "YES") {

                    Console.WriteLine(i + ": " + currentDate + " >> " + isTheSameToken + " ? " + currentToken + " == " + nerdWayHash + "|" + msdnWayHash);

                }

            }

        }

        Console.WriteLine("Done!");

    }

​

​

    private static string GetMd5Hash(string source)

    {

        using (MD5 md5Hash = MD5.Create())

        {

            byte[] data = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(source));

            StringBuilder sBuilder = new StringBuilder();

            for (int i = 0; i < data.Length; i++)

            {

                sBuilder.Append(data[i].ToString("x2"));

            }

            return sBuilder.ToString();

        }

    }

​

    private static string GetMd5HashTheRightWay(string source)

    {

        using (MD5 md5Hash = MD5.Create())

        {

            byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(source);

            byte[] hashBytes = md5Hash.ComputeHash(inputBytes);

            return Convert.ToHexString(hashBytes);

        }

    }

​

}