protected override void EstablishConnection(NetworkMessage message)
{
//Generate symmetric key + IV, save it and encrypt it with the given public assymetric key and send it to the client.
try
{
if (message.TryGetObject <string>(out string publicKey))
{
AsymmetricCipher asymmetric = new AsymmetricCipher();
asymmetric.LoadPublicKey(publicKey);
cipher = new SymmetricCipher();
SymmetricKey key = new SymmetricKey {
Key = asymmetric.Encrypt(cipher.Key), IV = asymmetric.Encrypt(cipher.IV)
};
Send(MessageProtocols.Setup, key, false);
Send(MessageProtocols.SetUsername, Username);
server.Broadcast(MessageProtocols.Connect, this, Username); // Tell users that it connected
Send(MessageProtocols.Users, server.ConnectedUsers().ToArray());
}
else
{
throw new Exception("Failed to load the public key");
}
}
catch (Exception)
{
Terminate();
}
}
private void KickSelectedUser()
{
_server.Broadcast(MessageProtocols.KickUser, _users[SelectedUserIndex]);
_server.Broadcast(MessageProtocols.Disconnect, _users[SelectedUserIndex]);
}
private static void server_OnSocketReceive(SocketReceiveEventArgs e)
{
server.Broadcast(string.Format("客户端{0}:{1}", e.Sender.EndPoint, e.Content));
}