using System;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("===== BestSoftware Keygenerator =====");

        Console.WriteLine("> Checking if you are from the police");

        Console.WriteLine("> (ㆁᴗㆁ✿)");

        Console.WriteLine("> (✿ㆁᴗㆁ)");

        Console.WriteLine("> Please enter your name...");

        Console.Write("> ");

        string name = Console.ReadLine();

        Console.WriteLine("> Please enter your email...");

        Console.Write("> ");

        string email = Console.ReadLine();

        Console.WriteLine("> Creating BestSoftware license...");

        string inputString = name + "1_l0v3_CSh4rp" + email;

        string value = CalculateSHA256(inputString);

        Console.WriteLine("> The key is " + value + " now go go");

        Console.WriteLine("> Press any key to run...");

    }

​

    public static string CalculateSHA256(string inputString)

    {

        using SHA256 sHA = SHA256.Create();

        byte[] array = sHA.ComputeHash(Encoding.UTF8.GetBytes(inputString));

        StringBuilder stringBuilder = new StringBuilder();

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

        {

            stringBuilder.Append(array[i].ToString("X2"));

        }

​

        return stringBuilder.ToString();

    }

}