private static async Task <byte[]> GetData(int sector, int blockInSector, byte[] keyA, byte[] keyB)
{
byte[] result = {};
try
{
if (keyA != null)
{
_card.AddOrUpdateSectorKeySet(new SectorKeySet {
KeyType = KeyType.KeyA, Sector = sector, Key = keyA
});
}
if (keyB != null)
{
_card.AddOrUpdateSectorKeySet(new SectorKeySet {
KeyType = KeyType.KeyB, Sector = sector, Key = keyB
});
}
var sec = _card.GetSector(sector);
result = await sec.GetData(blockInSector);
}
catch (Exception e)
{
WriteToLog($"GetData ERROR !!! {e}");
}
return(result);
}
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);
}
}));
}
private static async Task <List <byte[]> > ReadSector(int sector)
{
try
{
if (card == null)
{
throw new Exception();
}
List <byte[]> blocks = new List <byte[]>();
var _sector = card.GetSector(sector);
for (int i = 0; i < _sector.NumDataBlocks; i++)
{
var block = await _sector.GetData(i);
blocks.Add(block);
}
return(blocks);
}
catch
{
return(null);
}
}
