public byte[] RsReset()
{
try
{
RespApdu respApdu = mReader.Exchange("A4 0A 00 00 08"); // Get Random Number
//Console.WriteLine("Random = 0x" + HexFormatting.ToHexString(respApdu.Data, true));
if (respApdu != null)
{
baRandom = respApdu.Data;
strRandom = HexFormatting.ToHexString(baRandom, true);
}
else
{
baRandom = new byte[8];
Array.Clear(baRandom, 0, 8);
}
return(baRandom);
}
catch (WinSCardException ex)
{
//Console.WriteLine(ex.WinSCardFunctionName + " Error 0x" +
// ex.Status.ToString("X08") + ": " + ex.Message);
throw ex;
}
catch (Exception ex)
{
//Console.WriteLine(ex.Message);
throw ex;
}
}
public static string cardProtocol()
{
WinSCard scard = new WinSCard();
try
{
scard.EstablishContext();
scard.ListReaders();
string readerName = scard.ReaderNames[1];
scard.WaitForCardPresent(readerName);
scard.Connect(readerName);
byte[] cmdApdu = { 0xFF, 0xCA, 0x00, 0x00, 00 }; // Get Card UID ...
byte[] respApdu = new byte[10];
int respLength = respApdu.Length;
scard.Transmit(cmdApdu, cmdApdu.Length, respApdu, ref respLength);
//find a better place for this
App.UID = HexFormatting.ToHexString(respApdu, true);
//he wanted some kinda beeping sound when someone swipes their card
System.Media.SystemSounds.Beep.Play();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
return(App.UID);
}
private void btnSend_Click(object sender, EventArgs e)
{
try
{
RespApdu respApdu = mPcscReader.Exchange(txtAPDU.Text);
ml.NewLine();
ml.AddLine("Send: " + txtAPDU.Text);
if (respApdu.Data != null && respApdu.Data.Length > 0)
{
//ml.AddLine("Resp: " + HexFormatting.ToHexString(respApdu.Data, true));
ml.AddLine(String.Format("Resp({0}B): {1}", respApdu.Data.Length,
HexFormatting.ToHexString(respApdu.Data, true)));
}
else
{
ml.AddLine("Resp: (None)");
}
ml.AddLine("Status: " + respApdu.SW1SW2.Value.ToString("X4"));
txtMessage.Text = ml.Text;
}
catch (WinSCardException ex)
{
txtMessage.Text = ml.AddLine(ex.WinSCardFunctionName + " Error 0x" +
ex.Status.ToString("X08") + ": " + ex.Message);
}
catch (Exception ex)
{
txtMessage.Text = ml.AddLine(ex.Message);
}
}
static void write_to_tag(String bytes_in)
{
string command = "FF D6 00 ";
int byte_num = 0;
int value;
//string address = String.Format("{0:X}", value);
String Hex_address;
Byte[] Input_bytes = hex_string_to_byte_array(string_to_hex_string(bytes_in));
byte[] send_chunk = new byte[4];
RespApdu write_four_bytes;
for (int i = 0; i < Input_bytes.Length; i = i + 4)
{
for (int j = 0; j < 4; j++)
{
if (j + i < Input_bytes.Length)
{
send_chunk[j] = Input_bytes[j + i];
}
}
value = Convert.ToInt32(byte_num);
Hex_address = String.Format("{0:X}", value);
command = command + Hex_address + " 04 " + HexFormatting.ToHexString(send_chunk, true);
write_four_bytes = reader.Exchange(command);
byte_num = byte_num + 1;
}
}
public static async Task Read()
{
PCSCReader reader = new PCSCReader();
while (true)
{
try
{
reader.Connect();
reader.ActivateCard();
RespApdu respApdu = reader.Exchange("FF CA 00 00 00"); // Get Card UID ...
if (respApdu.SW1SW2 == 0x9000)
{
InvokeScanned("0x" + HexFormatting.ToHexString(respApdu.Data, false));
await Task.Delay(1000);
}
}
catch (WinSCardException ex)
{
InvokeError(ex.WinSCardFunctionName + " Error 0x" + ex.Status.ToString("X08") + ": " + ex.Message);
await Task.Delay(1000);
}
catch (Exception ex)
{
InvokeError(ex.Message);
await Task.Delay(1000);
}
finally
{
reader.Disconnect();
}
}
}
public byte[] GetRandom()
{
try
{
RespApdu respApdu = mReader.Exchange("A4 0A 00 00 08"); // Get Random Number
//Console.WriteLine("Random = 0x" + HexFormatting.ToHexString(respApdu.Data, true));
//if (respApdu != null && respApdu.Data != null)
if (respApdu.SW1SW2 == 0x9000)
{
baRandom = respApdu.Data;
strRandom = HexFormatting.ToHexString(baRandom, true);
}
else
{
//baRandom = new byte[8];
//Array.Clear(baRandom, 0, 8);
//return null;
ushort sw = respApdu.SW1SW2 ?? 0;
throw new Exception("GetRandom has not supported. Card's SW = " + sw.ToString("X4"));
}
//strRandom = HexFormatting.ToHexString(baRandom, true);
return(baRandom);
}
catch (WinSCardException ex)
{
//Console.WriteLine(ex.WinSCardFunctionName + " Error 0x" +
// ex.Status.ToString("X08") + ": " + ex.Message);
throw ex;
}
catch (Exception ex)
{
//Console.WriteLine(ex.Message);
throw ex;
}
}
//Currently this writes plaintext to tag in NDEF format
//TODO: Other tag types
// Limit to how much data can be fit to tag
static void write_to_tag(String bytes_in)
{
string command_prefix = "FF D6 00 ";
string command;
String Hex_address;
NdefMessage write_this = new NdefMessage {
new NdefUriRecord {
Uri = bytes_in
}
};
byte[] ndef_prefix = { 0x03, (byte)write_this.ToByteArray().Length };
List <byte> concat = new List <byte>();
concat.AddRange(ndef_prefix);
concat.AddRange(write_this.ToByteArray());
byte[] ndef_bytes = concat.ToArray();
foreach (var item in ndef_bytes)
{
Console.WriteLine(HexFormatting.ToHexString(item));
}
//Byte[] Input_bytes = hex_string_to_byte_array(string_to_hex_string(bytes_in));
byte[] send_chunk = new byte[4];
RespApdu write_four_bytes;
int count = 0;
int mod4 = ndef_bytes.Length % 4;
for (int i = 0; i < ndef_bytes.Length; ++i)
{
send_chunk[count] = ndef_bytes[i];
++count;
if (count == 4)
{
count = 0;
Hex_address = String.Format("{0:X}", Convert.ToInt32((i / 4) + 4));
if ((i / 4) + 4 < 16)
{
Hex_address = "0" + Hex_address;
}
Console.WriteLine(Hex_address);
command = command_prefix + Hex_address + " 04 " + HexFormatting.ToHexString(send_chunk, true);
Console.WriteLine(command);
write_four_bytes = reader.Exchange(command);
}
}
if (count != 0)
{
for (int i = count; i < send_chunk.Length; i++)
{
send_chunk[i] = 0x00;
}
send_chunk[2] = 254;
Hex_address = String.Format("{0:X}", Convert.ToInt32(((ndef_bytes.Length - count) / 4) + 4));
if ((((ndef_bytes.Length - count) / 4) + 4) < 16)
{
Hex_address = "0" + Hex_address;
}
command = command_prefix + Hex_address + " 04 " + HexFormatting.ToHexString(send_chunk, true);
write_four_bytes = reader.Exchange(command);
}
//command = command + "04" + " 04 " + hexString;
//write_four_bytes = reader.Exchange(command);
/*if (Input_bytes.Length % 4 != 0)
* {
* int mod_of_input = Input_bytes.Length % 4;
* for (int i = 0; i < mod_of_input; i++)
* {
*
*
* }
* }*/
/*
* for (int i = 0; i < Input_bytes.Length; i = i + 4)
* {
* for (int j = 0; j < 4; j++)
* {
* if (j + i < Input_bytes.Length)
* {
* send_chunk[j] = Input_bytes[j + i];
* }
* }
*
* value = Convert.ToInt32(byte_num);
* Hex_address = String.Format("{0:X}", value);
* command = command + Hex_address + " 04 " + HexFormatting.ToHexString(send_chunk, true);
* write_four_bytes = reader.Exchange(command);
* byte_num = byte_num + 1;
* }*/
}
/*<summary>
* BYTE[] find_ndef()
* This function returns Byte array containgin all bytes from
* starting byte of NDEF "D1" record to the termination byte "FE"
*</summary>
*
* <remarks>
* This function is naive and only tries to find the content
* delimited by start and terminating bytes of NDEF:s
* </remarks>
*
*
*/
static Byte[] find_ndef()
{
RespApdu read_four_bytes;
int byte_num = 0;
String command;
String Hex_address;
int value;
var allbytes = new List <string>();
//Used for easy appending of all found bytes
var hexbytes = new List <byte>();
while (true)
{
value = Convert.ToInt32(byte_num);
Hex_address = String.Format("{0:X}", value);
//RespApdu only accepts commands that are of type
//"XX XX XX XX XX" so zero has to be prepended
//for values smaller than 0x10
if (byte_num < 16)
{
Hex_address = "0" + Hex_address;
}
//We start from block 0 byte 0
//Reading command: "FF B0 00 XX YY"
//XX is reading address
//YY is amount of bytes to read
//Distance between each XX is 04
command = "FF B0 00 " + Hex_address + " 04";
read_four_bytes = reader.Exchange(command);
if (read_four_bytes.SW1SW2 != 0x9000)
{
Console.WriteLine("Reading bytes from the NFC tag failed. reader returned: ", HexFormatting.ToHexString(read_four_bytes.Data, true));
break;
}
allbytes.Add(HexFormatting.ToHexString(read_four_bytes.Data, true));
hexbytes.AddRange(read_four_bytes.Data);
if (HexFormatting.ToHexString(read_four_bytes.Data, true).Contains("FE"))
{
Console.WriteLine("End of NDEF found");
break;
}
byte_num = byte_num + 1;
}
foreach (Object obj in hexbytes)
{
Console.Write(" {0}", String.Format("{0:X}", obj));
}
Console.WriteLine();
for (int i = 0; i < hexbytes.Count; i++)
{
//This IS D1 in hex. It starts NDEF tags
if (hexbytes[i] == 209)
{
hexbytes.RemoveRange(0, i);
}
else if (hexbytes[i] == 254)
{
break;
}
}
return(hexbytes.ToArray());
}
static void Main(string[] args)
{
ConsoleTraceListener consoleTraceListener = new ConsoleTraceListener();
Trace.Listeners.Add(consoleTraceListener);
reader = new PCSCReader();
//NdefLibrary.Ndef.NdefMessage message = new NdefLibrary.Ndef.NdefMessage();
/*WinSCard testi = new WinSCard();
* testi.Connect(null);*/
string input_text = "";
while (input_text != "joo")
{
try
{
//reader.SCard.Connect("",SCARD_SHARE_MODE.Direct, SCARD_PROTOCOL.Tx);
reader.Connect();
//set_buzzer_on();
//set_target_mode();
reader.ActivateCard();
//WinSCard reader = new WinSCard();
//testi.Connect(null);
//For some reason Direct commands only work after card has been activated (the command above)
//Also the reader resets to normal state after it's been unplugged.
//TODO: check if mode changes can be made permanent
if (!modes_changed)
{
//Console.WriteLine("YOLOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO");
//change_modes_for_reader();
modes_changed = true;
}
RespApdu respApdu = reader.Exchange(APDU_commands["get_card_uid"]); // Get Card UID ...
if (respApdu.SW1SW2 == 0x9000)
{
Console.WriteLine("UID = 0x" + HexFormatting.ToHexString(respApdu.Data, true));
}
use_stuff_properly();
//RespApdu tespApdu = reader.Exchange(String.Format(APDU_commands["direct_command_prefix"],"18", "D4 86 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")); // Get Card UID ...
//RespApdu bespApdu = reader.Exchange(String.Format(APDU_commands["direct_command_prefix"], "18", "D4 40 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00")); // Get Card UID ...
//message = NdefLibrary.Ndef.NdefMessage.FromByteArray();
//message = NdefLibrary.Ndef.NdefMessage.FromByteArray(find_ndef());
//parse_record(message);
//write_to_tag("meloonis");
}
catch (WinSCardException ex)
{
Console.WriteLine(ex.WinSCardFunctionName + " Error 0x" +
ex.Status.ToString("X08") + ": " + ex.Message);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
reader.Disconnect();
Console.WriteLine("Please press any key...");
input_text = Console.ReadLine();
}
}
}