BetterSeal Login via Console Application (GOLD)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using BetterSocks;
namespace BetterSeal_Console_Login_TUT
{
    class Program
    {
        public static ConsoleKeyInfo key;
        static void Main(string[] args)
        {
            Console.Title = "BetterSeal Login via Console Example -XeCrash";
            Console.WriteLine("One moment while the application authenticates please...");
            AuthResponse auth = Seal.Authenticate("AUTH TOKEN");
            if (!auth.status)
            {
                Environment.Exit(1234);
            }
            else
            {
                Console.WriteLine("Application authenticated successfully!");

                Console.WriteLine();

                string user = "";
                Console.WriteLine("Username: ");
                do
                {
                    key = Console.ReadKey(true);

                    if (key.Key != ConsoleKey.Backspace && key.Key != ConsoleKey.Enter)
                    {
                        user += key.KeyChar;
                        Console.Write(key.KeyChar);
                    }
                    else
                    {
                        if (key.Key == ConsoleKey.Backspace && user.Length > 0)
                        {
                            user = user.Substring(0, (user.Length - 1));
                            Console.Write("\b \b");
                        }
                    }
                }
                while (key.Key != ConsoleKey.Enter);

                Console.WriteLine(Environment.NewLine);

                string pass = "";
                Console.WriteLine("Password: ");
                do
                {
                    key = Console.ReadKey(true);

                    if (key.Key != ConsoleKey.Backspace && key.Key != ConsoleKey.Enter)
                    {
                        pass += key.KeyChar;
                        Console.Write("*");
                    }
                    else
                    {
                        if (key.Key == ConsoleKey.Backspace && pass.Length > 0)
                        {
                            pass = pass.Substring(0, (pass.Length - 1));
                            Console.Write("\b \b");
                        }
                    }
                }
                while (key.Key != ConsoleKey.Enter);

                Console.WriteLine(Environment.NewLine);

                LoginResponse lr = Seal.Login(user, pass);
                if (lr.status)
                {
                    Console.WriteLine("Login Successful!");
                    Console.ReadKey();
                }
                else
                {
                    Console.WriteLine(lr.info);
                    Console.WriteLine("Press any key to retry login...");
                    Console.ReadLine();
                    Console.Clear();
                    Main(args);
                }
            }
        }
    }
}