// See https://aka.ms/new-console-template for more information
using System.Text;
using System.Security.Cryptography;


Console.WriteLine("Hello! Welcome to the Reepead-Licencer!");
Console.WriteLine("RESIGA ING, Esslingen Germany, by J.H");

static string getHash(string password)
{
    // create a ripemd160 object
    RIPEMD160 r160 = RIPEMD160Managed.Create();
    // convert the string to byte
    byte[] myByte = System.Text.Encoding.ASCII.GetBytes(password);
    // compute the byte to RIPEMD160 hash
    byte[] encrypted = r160.ComputeHash(myByte);
    // create a new StringBuilder process the hash byte
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < encrypted.Length; i++)
    {
        sb.Append(encrypted[i].ToString("X2"));
    }
    // convert the StringBuilder to String and convert it to lower case and return it.
    return sb.ToString().ToLower();
}
var pass = "";
var counter = 2;
while (pass != "Qn9Sgujxt8X8BKQOtB7E")
{
    Console.WriteLine("Enter Password:");
    pass = Console.ReadLine();
    if(counter == 0)
    {
        Environment.Exit(0);
    }
    counter--;
}


string val;
Console.Write("Enter UDID: ");
val = Console.ReadLine();
var hashed = getHash(val + "srffukghfiuzzsgiffgbsöKFVBGIs");
Console.WriteLine("Your LicenceKey is:");
Console.WriteLine(hashed.ToString());

Console.WriteLine("Press ESC to Exit");
do
{
    while (!Console.KeyAvailable)
    {
        // Do something
    }
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);