Exemple #1
0
        private async void listen_btn_Click(object sender, RoutedEventArgs e)
        {
            listen_btn.Visibility   = Visibility.Hidden;
            register_btn.Visibility = Visibility.Hidden;
            //SetVisibilityOfElements(new object[] {pb, stop_listen_btn, QrCodeImage}, Visibility.Visible);
            pb.Visibility = Visibility.Visible;
            stop_listen_btn.Visibility = Visibility.Visible;

            await bm.ReceiveConnection();

            BluetoothClientWrapper bluetoothRemoteClient = bm.BluetoothRemoteClient;

            if (bluetoothRemoteClient != null)
            {
                bm.VerifyClient();
                uint userSap = bluetoothRemoteClient.GetClient().RemoteEndPoint.Address.Sap;
                // Get the encrypted key from memory if the user exists.

                if (!File.Exists($"C:\\Users\\extre\\Desktop\\HostLocker\\user_{userSap}_data.dat"))
                {
                    throw new Exception("User does not exist.");
                }

                UserData user = DataProtector.LoadData(userSap);
                UserDevice = new UserDevice(user);
                UserDevice.BluetoothConnection = bluetoothRemoteClient;

                string request = UserDevice.PrepareDecryptRequest(UserDevice.EncryptedSymmetricKey);
                bluetoothRemoteClient.SendMessage(request);
                string requestResponse = bluetoothRemoteClient.ReadFromBtDevice();
                //Handle the response
                string     decryptedMessage = UserDevice.DecodeAndDecryptMessage(requestResponse);
                JsonRemote decryptedObject  = JsonConvert.DeserializeObject <JsonRemote>(decryptedMessage);
                UserDevice.aesManager.SetKey(JsonConvert.DeserializeObject <byte[]>(decryptedObject.DecipheredContent),
                                             user.UserAesInitVect);

                Switcher.Switch(new FilesWindow(), UserDevice);
            }

            pb.Visibility              = Visibility.Hidden;
            listen_btn.Visibility      = Visibility.Visible;
            register_btn.Visibility    = Visibility.Visible;
            stop_listen_btn.Visibility = Visibility.Hidden;
            //bm.Dispose(true);
        }
Exemple #2
0
        private async void register_btn_Click(object sender, RoutedEventArgs e)
        {
            listen_btn.Visibility   = Visibility.Hidden;
            register_btn.Visibility = Visibility.Hidden;
            //SetVisibilityOfElements(new object[] {pb, stop_listen_btn, QrCodeImage}, Visibility.Visible);
            pb.Visibility = Visibility.Visible;
            stop_listen_btn.Visibility = Visibility.Visible;
            QrCodeImage.Visibility     = Visibility.Visible;

            UserDevice = new UserDevice();

            QrCodeManager qrCodeManager = new QrCodeManager(UserDevice);

            QrCodeImage.Source     = qrCodeManager.GenerateQrImage();
            QrCodeImage.Visibility = Visibility.Visible;

            await bm.ReceiveConnection();

            BluetoothClientWrapper bluetoothRemoteClient = bm.BluetoothRemoteClient;

            if (bluetoothRemoteClient != null)
            {
                bm.VerifyClient();
                UserDevice.BluetoothConnection = bluetoothRemoteClient;
                string     messageReceived  = bluetoothRemoteClient.ReadFromBtDevice();
                JsonRemote messageDecrypted = UserDevice.DecryptedObjReceived(messageReceived);
                UserDevice.DevicePublicKey = messageDecrypted.PublicKey.RSAParameters;
                Switcher.Switch(new FilesWindow(), UserDevice);
            }

            QrCodeImage.Source = null;
            //SetVisibilityOfElements(new object[] { pb, QrCodeImage }, Visibility.Hidden);
            pb.Visibility          = Visibility.Hidden;
            QrCodeImage.Visibility = Visibility.Hidden;
            //bm.Dispose(true);
            //Console.WriteLine(bc.ReadFromBtDevice());
            //bc.sendMessage("It wokrs||!!");
        }