public string ReadBlock(int sector, int block, string key, byte authentication_mode, bool returnHex = true)
{
MifareCard card = new MifareCard(MifareCardTypes.Mifare4k);
bool readStatus = true;
try
{
if (reader != null)
{
if (reader.Connect())
{
if (authentication_mode == AuthenticationMode.KeyA)
{
card.SetKeyA(key, sector);
card.SetAuthenticationMode(0);
}
else
{
card.SetKeyB(key, sector);
card.SetAuthenticationMode(1);
}
if (reader.ReadBlock(card, sector, block))
{
if (returnHex)
{
return(card.GetDataFromLastBlockRead());
}
SetData(ConvertHexToString(card.GetDataFromLastBlockRead()));
}
else
{
readStatus = false;
}
}
else
{
throw new Exception("Device not Found");
}
}
else
{
throw new Exception("Device not Found");
}
if (readStatus)
{
return(CardData);
}
throw new Exception("Incorrect Key");
}
catch (Exception)
{
throw;
}
finally
{
reader.Disconnect();
}
}