/// <summary>
/// Sample code to hande a couple of different cards based on the identification process
/// </summary>
/// <returns>None</returns>
private async Task HandleCard(SmartCard card)
{
try
{
// Connect to the card
using (SmartCardConnection connection = await card.ConnectAsync())
{
// Try to identify what type of card it was
IccDetection cardIdentification = new IccDetection(card, connection);
await cardIdentification.DetectCardTypeAync();
LogMessage("Connected to card\r\nPC/SC device class: " + cardIdentification.PcscDeviceClass.ToString());
LogMessage("Card name: " + cardIdentification.PcscCardName.ToString());
LogMessage("ATR: " + BitConverter.ToString(cardIdentification.Atr));
if ((cardIdentification.PcscDeviceClass == Pcsc.Common.DeviceClass.StorageClass) &&
(cardIdentification.PcscCardName == Pcsc.CardName.MifareUltralightC ||
cardIdentification.PcscCardName == Pcsc.CardName.MifareUltralight ||
cardIdentification.PcscCardName == Pcsc.CardName.MifareUltralightEV1))
{
// Handle MIFARE Ultralight
MifareUltralight.AccessHandler mifareULAccess = new MifareUltralight.AccessHandler(connection);
await mifareULAccess.ReadCapsAsync();
if (!mifareULAccess.isNTag21x)
{
var ignored1 = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
var msgbox = new Windows.UI.Popups.MessageDialog("This application only works with the NXP NTAG21x line of NFC chips. Sorry.");
msgbox.Commands.Add(new Windows.UI.Popups.UICommand("OK"));
await msgbox.ShowAsync();
});
return;
}
bool authenticated = false;
byte[] password = await ParseField(passwordBox, 4);
byte[] passwordAck = await ParseField(passwordAckBox, 2);
if (password != null && passwordAck != null)
{
try
{
await mifareULAccess.AuthenticateWithPassword(password, passwordAck);
authenticated = true;
}
catch (Exception ex)
{
Debug.WriteLine("Exception sending provisioning password: "******"Exception sending provisioning password: "******"ReadCount: " + responseAccess.ToString());
var ignored2 = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
accessCount.Text = responseAccess.ToString();
});
accessCountEnabled = true;
}
catch (Exception ex)
{
Debug.WriteLine("Exception sending Getting Access Count: " + ex);
}
if (!accessCountEnabled)
{
var ignored3 = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
accessCount.Text = " ";
accessCountEnable.Visibility = Visibility.Visible;
});
if (autoProvision.IsChecked == true)
{
await mifareULAccess.EnableAccessCountAsync();
}
}
for (byte i = 0; i < mifareULAccess.Blocks; i++)
{
byte[] response = await mifareULAccess.ReadAsync((byte)(4 * i));
for (byte y = 0; y < 4; y++)
{
byte[] buf4 = new byte[4];
Array.Copy(response, y * 4, buf4, 0, 4);
LogMessage((i * 4 + y).ToString("x2") + ": " + BitConverter.ToString(buf4));
}
}
byte[] responseUid = await mifareULAccess.GetUidAsync();
string uidString = BitConverter.ToString(responseUid);
LogMessage("UID: " + uidString);
var ignored4 = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
uid.Text = uidString;
UidPanel.Visibility = Visibility.Visible;
});
}
}
}
catch (Exception ex)
{
Debug.WriteLine("Exception handling card: " + ex.ToString());
}
}
