public bool AuthenticateSector(MifareCard card, int sectorNumber)
{
int status = -1;
byte mode = card.GetAuthenticationMode();
byte sectorNumberInBytes = 0x00;
if (IsConnected())
{
if (RequestCardSerial(card))
{
try
{
sectorNumberInBytes = Convert.ToByte(sectorNumber);
IntPtr keyBuffer = Marshal.AllocHGlobal(1024);
byte[] bytesKey = RadioUtilities.ToDigitsBytes(card.GetKey(sectorNumber));
//Write key to unmanaged memory to be read by dll function
for (int i = 0; i < bytesKey.Length; i++)
{
Marshal.WriteByte(keyBuffer, i, bytesKey[i]);
}
status = rf_M1_authentication2(ICDEV, mode, (byte)(sectorNumberInBytes * MifareCard.NumberOfBlocksInASector), keyBuffer);
Marshal.FreeHGlobal(keyBuffer);
}
catch (Exception)
{
throw;
}
if (status != 0)
{
return(false);
}
return(true);
}
else
{
throw new Exception("No card inserted.");
}
}
else
{
throw new Exception("Card Reader not connected.");
}
}
private bool WriteBlockWithoutAuth(MifareCard card, string data, int sector, int block)
{
int status = -1;
byte mode = card.GetAuthenticationMode();
byte sectorNo = Convert.ToByte(sector);
byte adr;
int i;
if (IsConnected())
{
adr = (byte)(Convert.ToByte(block) + sectorNo * MifareCard.NumberOfBlocksInASector);
byte[] bytesBlock;
bytesBlock = RadioUtilities.ToDigitsBytes(data);
try
{
IntPtr dataBuffer = Marshal.AllocHGlobal(1024);
for (i = 0; i < bytesBlock.Length; i++)
{
Marshal.WriteByte(dataBuffer, i, bytesBlock[i]);
}
status = rf_M1_write(ICDEV, adr, dataBuffer);
Marshal.FreeHGlobal(dataBuffer);
}
catch (Exception)
{
throw;
}
if (status != 0)
{
return(false);
}
return(true);
}
else
{
throw new Exception("Card Reader not connected.");
}
}
