public static void init()
{
try
{
string reader = "/dev/ttyS0";
rfidHat = new Pn532(reader);
byte[] readUid = null;
readUid = rfidHat.ListPassiveTarget(MaxTarget.One, TargetBaudRate.B106kbpsTypeA);
Thread.Sleep(200);
do
{
var decrypted = rfidHat.TryDecode106kbpsTypeA(readUid.AsSpan().Slice(1));
var uid = BitConverter.ToString(decrypted.NfcId);
Console.WriteLine("Unique User ID: " + uid);
rfidHat.ReleaseTarget(1);
close();
break;
}while(readUid != null);
close();
}
catch (System.Exception)
{ init(); }
}
// NOTE: This section is not tested! I'm including it as a possible approach.
private async Task RFIDHardwareManager(CancellationToken cancelToken)
{
while (!cancelToken.IsCancellationRequested)
{
rfidHat = new Pn532(reader);
byte[] retData = null;
retData = rfidHat.ListPassiveTarget(MaxTarget.One, TargetBaudRate.B106kbpsTypeA);
Thread.Sleep(200);
do
{
var decrypted = rfidHat.TryDecode106kbpsTypeA(retData.AsSpan().Slice(1));
var uid = BitConverter.ToString(decrypted.NfcId);
rfidHat.ReleaseTarget(1);
close();
Console.WriteLine("Unique User ID: " + uid);
SendRFIDEvent(uid);
break;
}while(retData != null);
// Give time to PN532 to process
rfidHat.Dispose();
Thread.Sleep(1000);
}
}
public static void WriteCode()
{
// Creating the device class through serial: /dev/ttyS0
try
{
string device = "/dev/ttyS0";
var reader = new Pn532(device);
byte[] writeUser = null;
writeUser = reader.ListPassiveTarget(MaxTarget.One, TargetBaudRate.B106kbpsTypeA);
Thread.Sleep(200);
do
{
var decrypted = reader.TryDecode106kbpsTypeA(writeUser.AsSpan().Slice(1));
var uid = BitConverter.ToString(decrypted.NfcId);
Console.WriteLine("Enter Username:");
var userName = Console.ReadLine();
byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(userName);
byte[] cardData = null;
reader.Transceive(1, byteArray, cardData);
MifareCard mifareCard = new MifareCard(reader, decrypted.TargetNumber)
{
BlockNumber = 0, Command = MifareCardCommand.AuthenticationA
};
mifareCard.SetCapacity(decrypted.Atqa, decrypted.Sak);
mifareCard.SerialNumber = decrypted.NfcId;
mifareCard.KeyA = new byte[6] {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
mifareCard.KeyB = new byte[6] {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
for (byte block = 0; block < 1; block++)
{
mifareCard.BlockNumber = block;
mifareCard.Command = MifareCardCommand.AuthenticationB;
var ret = mifareCard.RunMifiCardCommand();
if (ret < 0)
{
// Try another one
mifareCard.Command = MifareCardCommand.AuthenticationA;
ret = mifareCard.RunMifiCardCommand();
}
if (ret == 1)
{
mifareCard.BlockNumber = block;
mifareCard.Command = MifareCardCommand.Write16Bytes;
ret = mifareCard.RunMifiCardCommand();
Console.WriteLine(BitConverter.ToString(cardData));
continue;
}
}
reader.ReleaseTarget(1);
break;
}while(writeUser != null);
}
catch (System.Exception)
{
WriteCode();
}
}
private static void ReadMiFare(Pn532 pn532)
{
byte[] retData = null;
while ((!Console.KeyAvailable))
{
retData = pn532.ListPassiveTarget(MaxTarget.One, TargetBaudRate.B106kbpsTypeA);
if (retData != null)
{
break;
}
// Give time to PN532 to process
Thread.Sleep(200);
}
if (retData == null)
{
return;
}
var decrypted = pn532.TryDecode106kbpsTypeA(retData.AsSpan().Slice(1));
if (decrypted != null)
{
Console.WriteLine(
$"Tg: {decrypted.TargetNumber}, ATQA: {decrypted.Atqa} SAK: {decrypted.Sak}, NFCID: {BitConverter.ToString(decrypted.NfcId)}");
if (decrypted.Ats != null)
{
Console.WriteLine($", ATS: {BitConverter.ToString(decrypted.Ats)}");
}
MifareCard mifareCard = new MifareCard(pn532, decrypted.TargetNumber)
{
BlockNumber = 0, Command = MifareCardCommand.AuthenticationA
};
mifareCard.SetCapacity(decrypted.Atqa, decrypted.Sak);
mifareCard.SerialNumber = decrypted.NfcId;
mifareCard.KeyA = new byte[6] {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
mifareCard.KeyB = new byte[6] {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
for (byte block = 0; block < 64; block++)
{
mifareCard.BlockNumber = block;
mifareCard.Command = MifareCardCommand.AuthenticationB;
var ret = mifareCard.RunMifiCardCommand();
if (ret < 0)
{
// Try another one
mifareCard.Command = MifareCardCommand.AuthenticationA;
ret = mifareCard.RunMifiCardCommand();
}
if (ret >= 0)
{
mifareCard.BlockNumber = block;
mifareCard.Command = MifareCardCommand.Read16Bytes;
ret = mifareCard.RunMifiCardCommand();
if (ret >= 0)
{
Console.WriteLine($"Bloc: {block}, Data: {BitConverter.ToString(mifareCard.Data)}");
}
else
{
Console.WriteLine(
$"Error reading bloc: {block}, Data: {BitConverter.ToString(mifareCard.Data)}");
}
if (block % 4 == 3)
{
// Check what are the permissions
for (byte j = 3; j > 0; j--)
{
var access = mifareCard.BlockAccess((byte)(block - j), mifareCard.Data);
Console.WriteLine($"Bloc: {block - j}, Access: {access}");
}
var sector = mifareCard.SectorTailerAccess(block, mifareCard.Data);
Console.WriteLine($"Bloc: {block}, Access: {sector}");
}
}
else
{
Console.WriteLine($"Autentication error");
}
}
}
}
static void ReadMiFare(Pn532 pn532)
{
byte[] retData = null;
while ((!Console.KeyAvailable))
{
retData = pn532.ListPassiveTarget(MaxTarget.One, TargetBaudRate.B106kbpsTypeA);
//retData = pn532.AutoPoll(2, 300, new PollingType[] { PollingType.DepActive106kbps, PollingType.DepPassive106kbps, PollingType.GenericPassive106kbps, PollingType.InnovisionJewel, PollingType.MifareCard, PollingType.Passive106kbps, PollingType.Passive106kbpsISO144443_4A, PollingType.Passive106kbpsISO144443_4B });
if (retData != null)
{
break;
}
// Give time to PN532 to process
Thread.Sleep(200);
}
if (retData == null)
{
return;
}
var decrypted = pn532.TryDecode106kbpsTypeA(retData.AsSpan().Slice(1));
if (decrypted != null)
{
Console.WriteLine($"Tg: {decrypted.TargetNumber}, ATQA: {decrypted.Atqa} SAK: {decrypted.Sak}, NFCID: {BitConverter.ToString(decrypted.NfcId)}");
if (decrypted.Ats != null)
{
Console.WriteLine($", ATS: {BitConverter.ToString(decrypted.Ats)}");
}
MifareCard mifareCard = new MifareCard(pn532, decrypted.TargetNumber)
{
BlockNumber = 0, Command = MifareCardCommand.AuthenticationA
};
mifareCard.SetCapacity(decrypted.Atqa, decrypted.Sak);
mifareCard.SerialNumber = decrypted.NfcId;
mifareCard.KeyA = new byte[6] {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
mifareCard.KeyB = new byte[6] {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
}; //new byte[6] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
for (byte block = 0; block < 64; block++)
{
mifareCard.BlockNumber = block;
mifareCard.Command = MifareCardCommand.AuthenticationB;
var ret = mifareCard.RunMifiCardCommand();
if (ret < 0)
{
// Try another one
mifareCard.Command = MifareCardCommand.AuthenticationA;
ret = mifareCard.RunMifiCardCommand();
}
//var ret = pn532.InDataExchange(mifareCard.Tg, new byte[] { 0x60, block, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x66, 0x8D, 0x7E, 0x20 }, Span<byte>.Empty);
if (ret >= 0)
{
mifareCard.BlockNumber = block;
mifareCard.Command = MifareCardCommand.Read16Bytes;
ret = mifareCard.RunMifiCardCommand();
if (ret >= 0)
{
Console.WriteLine($"Bloc: {block}, Data: {BitConverter.ToString(mifareCard.Data)}");
}
else
{
Console.WriteLine($"Error reading bloc: {block}, Data: {BitConverter.ToString(mifareCard.Data)}");
}
if (block % 4 == 3)
{
// Check what are the permissions
for (byte j = 3; j > 0; j--)
{
var access = mifareCard.BlockAccess((byte)(block - j), mifareCard.Data);
Console.WriteLine($"Bloc: {block - j}, Access: {access}");
}
var sector = mifareCard.SectorTailerAccess(block, mifareCard.Data);
Console.WriteLine($"Bloc: {block}, Access: {sector}");
}
}
else
{
Console.WriteLine($"Autentication error");
}
}
//ChangePermissions(pn532, mifareCard);
//Console.WriteLine("press a key to exit");
//while (!Console.KeyAvailable)
// ;
}
}
