static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Login_Form f1 = new Login_Form();
f1.Show();
Application.Run();
}
//public byte[] AES_Key = new byte[32];
//public byte[] AES_IV = new byte[16];
public Chat_Form(Login_Form tf1)
{
InitializeComponent();
f1 = tf1;
TargetID_Lable.Text = "正在与 " + CFG.TargetID + " 聊天：";
RSA_module.RSA_pair(out pubkey, out privkey);
Thread Sh = new Thread(new ThreadStart(ShakeHand));
Sh.Start();
Sh.Join();
Thread ChT = new Thread(new ThreadStart(OpenChat_tunnel));
ChT.Start();
}