/// <summary>
/// Sample code to hande a couple of different cards based on the identification process
/// </summary>
/// <returns>None</returns>
private async Task HandleCard(CardAddedEventArgs args)
{
try
{
card?.Dispose();
card = args.SmartCard.CreateMiFareCard();
var cardIdentification = await card.GetCardInfo();
DisplayText("Connected to card\r\nPC/SC device class: " + cardIdentification.PcscDeviceClass.ToString() + "\r\nCard name: " + cardIdentification.PcscCardName.ToString());
if (cardIdentification.PcscDeviceClass == MiFare.PcSc.DeviceClass.StorageClass &&
(cardIdentification.PcscCardName == CardName.MifareStandard1K || cardIdentification.PcscCardName == CardName.MifareStandard4K))
{
// Handle MIFARE Standard/Classic
DisplayText("MIFARE Standard/Classic card detected");
var uid = await card.GetUid();
DisplayText("UID: " + BitConverter.ToString(uid));
// 16 sectors, print out each one
for (var sector = 0; sector < 16; sector++)
{
try
{
var data = await card.GetData(sector, 0, 48);
string hexString = "";
for (int i = 0; i < data.Length; i++)
{
hexString += data[i].ToString("X2") + " ";
}
DisplayText(string.Format("Sector '{0}':{1}", sector, hexString));
}
catch (Exception)
{
DisplayText("Failed to load sector: " + sector);
}
}
}
}
catch (Exception e)
{
PopupMessage("HandleCard Exception: " + e.Message);
}
}
private async Task <byte[]> loadBlock(int sector, int block, MiFareCard card)
{
try
{
if (block < 3)
{
return(await card.GetData(sector, block, 16));
}
if (block == 3)
{
return(await card.GetData(sector, 3, 16));
}
if (block == 5)
{
return(await card.GetData(sector, 3, 16));
}
}
catch
{
return(null);
}
return(null);
}
public async Task <string> GetData()
{
return(await Task.Run(async() =>
{
try
{
var s = connection.GetSector(sector);
var data = await connection.GetData(sector, 0, s.DataLength);
var name = Encoding.UTF8.GetString(data, 0, data.Length);
// We're reading the whole sector, remove trailing nulls
name = name.Replace("\0", "");
return name;
}
catch (Exception e)
{
throw new SmartCardException("Could not authenticate to card", e);
}
}));
}
