private void _monitor_CardInserted(object sender, CardStatusEventArgs e)
{
if (e.State == SCRState.Present)
{
try
{
BChipSmartCard insertedCard =
new BChipSmartCard(e.ReaderName)
{
ATR = e.Atr,
LastConnected = DateTime.Now,
IsConnected = true
};
if (insertedCard.Type() == CardType.BChip)
{
ScanAndLoadConnectedCards(insertedCard);
}
}
catch (Exception ex)
{
Logger.Log(ex);
}
}
}
public PageToShow AnalyzeCardData(BChipSmartCard bChipSmartCard)
{
if (!bChipSmartCard.IsConnected)
{
return(PageToShow.NoCard);
}
if (bChipSmartCard.Type() != CardType.BChip || bChipSmartCard.SmartCardData == null)
{
return(PageToShow.Unsupported);
}
// Analyze card
try
{
BChipMemoryLayout_BCHIP cardMemory = (BChipMemoryLayout_BCHIP)bChipSmartCard.SmartCardData;
if (cardMemory.IsFormatted)
{
WalletTypeComboBox.Dispatcher.BeginInvoke(new Action(() =>
{
WalletTypeComboBox.SelectedItem = null;
}));
return(PageToShow.NotInitialized);
}
if (!cardMemory.IsChecksumValid())
{
return(PageToShow.CrcError);
}
// All seems good
return(PageToShow.Ready);
}
catch (Exception ex)
{
Logger.Log(ex);
}
return(PageToShow.Error);
}
private void ScanAndLoadConnectedCards(BChipSmartCard insertedCard = null)
{
using (var context = _contextFactory.Establish(SCardScope.System))
{
if (insertedCard == null)
{
List <string> readerNames = GetReaderNames().ToList();
foreach (string curReader in readerNames)
{
try
{
using (var reader =
context.ConnectReader(curReader, SCardShareMode.Shared, SCardProtocol.Any))
{
insertedCard = new BChipSmartCard(curReader)
{
ATR = reader.GetAttrib(SCardAttribute.AtrString),
LastConnected = DateTime.Now,
IsConnected = true
};
}
if (insertedCard.Type() != CardType.BChip)
{
Logger.Log($"Card type was not an expected BChip and skipped ({insertedCard.Type()})");
continue;
}
}
// We try to check for an inserted card, eat errors.
catch (Exception ex)
{
if ((uint)ex.HResult == 0x80131500)
{
// ignore card removed
continue;
}
}
}
}
if (insertedCard == null)
{
ChangePageUi(PageToShow.NoCard, null);
}
if (insertedCard != null)
{
using (var isoReader = new IsoReader(context, insertedCard.ReaderName, SCardShareMode.Shared, SCardProtocol.Any))
{
try
{
if (insertedCard.AdpuInterface.RequiresInit)
{
Response initResponse = isoReader.Transmit(insertedCard.AdpuInterface.InitCard());
if (initResponse.SW1 != 0x90)
{
Logger.Log("Error initializing smart card reader");
}
}
Response response = isoReader.Transmit(insertedCard.AdpuInterface.ReadCard());
if (response.HasData)
{
byte[] data = response.GetData();
byte[] mlvi = data.Skip(0x20).Take(BChipMemoryLayout_BCHIP.MLVI_MAX_DATA).ToArray();
byte[] carddata = data.Skip(0x28).ToArray();
// At this stage, the card has not yet been validated/parsed. Another thread should handle cleanup/de-dupes
insertedCard.SmartCardData = new BChipMemoryLayout_BCHIP(mlvi, carddata, PKStatus.NotValidated);
LoadedBChips = insertedCard;
ChangePageUi(AnalyzeCardData(insertedCard), insertedCard);
}
else
{
Logger.Log("Card added had no data to download");
// TODO: Add card data could not be loaded (not CRC error)
}
}
catch (Exception ex)
{
Logger.Log(ex);
};
}
}
}
}