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NFCclass.cs
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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace NewPOS
{
class NFCclass
{
private int retCode, hContext, hCard, Protocol, ReaderCount;
private bool connActive = false;
private byte[] SendBuff = new byte[263];
private byte[] RecvBuff = new byte[263];
private int SendLen, RecvLen, ReaderLen, ATRLen, dwState, dwActProtocol;
private byte[] ATRVal = new byte[257];
string sReaderList;
byte[] sReaderGroup;
private bool autoDet;
private int nBytesRet, reqType, Aprotocol, dwProtocol, cbPciLength;
private ModWinsCard.SCARD_READERSTATE RdrState;
private ModWinsCard.SCARD_IO_REQUEST pioSendRequest;
ToolStripStatusLabel tssl = new ToolStripStatusLabel();
Label lbl = new Label();
public System.Windows.Forms.RichTextBox mMsg;
public System.Windows.Forms.ProgressBar progress;
pausethreads pause = new pausethreads();
public string UID = string.Empty;
public void initializereader(System.Windows.Forms.ComboBox cbReader, ToolStripStatusLabel Tssl)
{
tssl = Tssl;
string ReaderList = "" + Convert.ToChar(0);
int indx;
int pcchReaders = 0;
string rName = "";
//Establish Context
retCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref hContext);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
//displayOut(1, retCode, "");
return;
}
// 2. List PC/SC card readers installed in the system
retCode = ModWinsCard.SCardListReaders(this.hContext, null, null, ref pcchReaders);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
//displayOut(1, retCode, "");
return;
}
byte[] ReadersList = new byte[pcchReaders];
// Fill reader list
retCode = ModWinsCard.SCardListReaders(this.hContext, null, ReadersList, ref pcchReaders);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
tssl.Text = ("SCardListReaders Error: " + ModWinsCard.GetScardErrMsg(retCode));
return;
}
else
{
displayOut(0, 0, " ", mMsg);
}
rName = "";
indx = 0;
//Convert reader buffer to string
while (ReadersList[indx] != 0)
{
while (ReadersList[indx] != 0)
{
rName = rName + (char)ReadersList[indx];
indx = indx + 1;
}
//Add reader name to list
cbReader.Items.Add(rName);
rName = "";
indx = indx + 1;
}
if (cbReader.Items.Count > 0)
{
cbReader.SelectedIndex = 0;
}
retCode = ModWinsCard.SCardConnect(hContext, cbReader.SelectedItem.ToString(), ModWinsCard.SCARD_SHARE_SHARED,
ModWinsCard.SCARD_PROTOCOL_T0 | ModWinsCard.SCARD_PROTOCOL_T1, ref hCard, ref Protocol);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
displayOut(1, retCode, "", mMsg);
}
else
{
displayOut(0, 0, "Successful connection to " + cbReader.Text, mMsg);
}
connActive = true;
loadkeys();
}
private void authenticate(string blocknumber)
{
int tempInt, indx;
byte tmpLong;
string tmpStr;
ClearBuffers();
SendBuff[0] = 0xFF; // Class
SendBuff[1] = 0x86; // INS
SendBuff[2] = 0x00; // P1
SendBuff[3] = 0x00; // P2
SendBuff[4] = 0x05; // Lc
SendBuff[5] = 0x00; // Byte 1 : Version number
SendBuff[6] = 0x00; // Byte 2
SendBuff[7] = (byte)int.Parse(blocknumber); // Byte 3 : Block number
SendBuff[8] = 0x61;
SendBuff[9] = 0x01; // Key 5 value
SendLen = 10;
RecvLen = 2;
retCode = SendAPDU();
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return;
}
else
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
}
if (tmpStr.Trim() == "90 00")
{
displayOut(0, 0, "Authentication success!", mMsg);
}
else
{
displayOut(4, 0, "Authentication failed!", mMsg);
}
}
public int SendAPDU(string hexvalue)
{
int indx;
string tmpStr;
pioSendRequest.dwProtocol = Aprotocol;
pioSendRequest.cbPciLength = 8;
// Display Apdu In
tmpStr = "";
for (indx = 0; indx <= SendLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", SendBuff[indx]);
}
retCode = ModWinsCard.SCardTransmit(hCard, ref pioSendRequest, ref SendBuff[0], SendLen, ref pioSendRequest, ref RecvBuff[0], ref RecvLen);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
displayOut(1, retCode, "", mMsg);
return retCode;
}
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
hexvalue = tmpStr.Replace(" ","").Substring(0,8);
displayOut(3, 0, tmpStr, mMsg);
return retCode;
}
public int SendAPDU()
{
int indx;
string tmpStr;
pioSendRequest.dwProtocol = Aprotocol;
pioSendRequest.cbPciLength = 8;
// Display Apdu In
tmpStr = "";
for (indx = 0; indx <= SendLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", SendBuff[indx]);
}
displayOut(2, 0, tmpStr, mMsg);
retCode = ModWinsCard.SCardTransmit(hCard, ref pioSendRequest, ref SendBuff[0], SendLen, ref pioSendRequest, ref RecvBuff[0], ref RecvLen);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
displayOut(1, retCode, "", mMsg);
return retCode;
}
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
displayOut(3, 0, tmpStr, mMsg);
return retCode;
}
public void ClearBuffers()
{
long indx;
for (indx = 0; indx <= 262; indx++)
{
RecvBuff[indx] = 0;
SendBuff[indx] = 0;
}
}
private void loadkeys()
{
byte tmpLong;
string tmpStr;
ClearBuffers();
displayOut(3, 0, "Clearing Buffers", mMsg);
// Load Authentication Keys command
SendBuff[0] = 0xFF; // Class
SendBuff[1] = 0x82; // INS
SendBuff[2] = 0x00; // P1 : Key Structure
SendBuff[3] = 0x00;
SendBuff[4] = 0x06; // P3 : Lc
SendBuff[5] = 0xD3; // Key 1 value
SendBuff[6] = 0xF7; // Key 2 value
SendBuff[7] = 0xD3; // Key 3 value
SendBuff[8] = 0xF7; // Key 4 value
SendBuff[9] = 0xD3; // Key 5 value
SendBuff[10] = 0xF7; // Key 6 value
displayOut(4, 0, "Setting Key Store No:", mMsg);
displayOut(0, 0, "Number Set to 0x00", mMsg);
displayOut(4, 0, "Setting Key Value Input:", mMsg);
displayOut(0, 0, "Key Value Input set to: FF FF FF FF FF FF", mMsg);
SendLen = 11;
RecvLen = 2;
retCode = SendAPDU();
displayOut(4, 0, "Sending APDU............................", mMsg);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return;
}
else
{
tmpStr = "";
for (int indx = RecvLen - 2; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
}
if (tmpStr.Trim() != "90 00")
{
displayOut(4, 0, "Load authentication keys error!", mMsg);
}
}
public string readblock(string blocknumber)
{
string tmpStr;
int indx;
authenticate(blocknumber);
ClearBuffers();
SendBuff[0] = 0xFF;
SendBuff[1] = 0xB0;
SendBuff[2] = 0x00;
SendBuff[3] = (byte)int.Parse(blocknumber);
SendBuff[4] = (byte)int.Parse("16");
SendLen = 5;
RecvLen = SendBuff[4] + 2;
retCode = SendAPDU();
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return "";
}
else
{
tmpStr = "";
for (indx = RecvLen - 2; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
}
if (tmpStr.Trim() == "90 00")
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 3; indx++)
{
tmpStr = tmpStr + Convert.ToChar(RecvBuff[indx]);
}
return tmpStr;
}
else
{
displayOut(4, 0, "Read block error!", mMsg);
return "";
}
return "";
}
public List<string> readcard(ToolStripStatusLabel tssl, System.Windows.Forms.ComboBox cbReader)
{
List<string> nfccard = new List<string>();
string tmpStr;
int indx;
getATR(cbReader);
progress.Maximum = 29;
for (int i = 0; i < 29; i++ ){
ClearBuffers();
authenticate(i.ToString());
SendBuff[0] = 0xFF;
SendBuff[1] = 0xB0;
SendBuff[2] = 0x00;
SendBuff[3] = (byte)int.Parse(i.ToString());
SendBuff[4] = (byte)int.Parse("16");
SendLen = 5;
RecvLen = SendBuff[4] + 2;
if (i == 0)
{
retCode = SendAPDU(UID);
}
else
{
retCode = SendAPDU();
}
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
tssl.Text = "Unable to readcard";
return null;
}
else
{
tmpStr = "";
for (indx = RecvLen - 2; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
}
if (tmpStr.Trim() == "90 00")
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 3; indx++)
{
tmpStr = tmpStr + Convert.ToChar(RecvBuff[indx]);
}
nfccard.Add(tmpStr);
if (progress.Value != 29)
{
progress.Value++;
}
pause.Pause(30);
}
else
{
displayOut(4, 0, "Read block error!", mMsg);
tssl.Text = "Null Bock"; ;
}
}
return nfccard;
}
public void writeblock(string blocknumber, string info)
{
string tmpStr;
int indx, tempInt;
tmpStr = info;
ClearBuffers();
authenticate(blocknumber);
SendBuff[0] = 0xFF; // CLA
SendBuff[1] = 0xD6; // INS
SendBuff[2] = 0x00; // P1
SendBuff[3] = (byte)int.Parse(blocknumber); // P2 : Starting Block No.
SendBuff[4] = (byte)int.Parse("16"); // P3 : Data length
for (indx = 0; indx <= (tmpStr).Length - 1; indx++)
{
SendBuff[indx + 5] = (byte)tmpStr[indx];
}
SendLen = SendBuff[4] + 5;
RecvLen = 0x02;
retCode = SendAPDU();
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return;
}
else
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
}
}
if (tmpStr.Trim() == "90 00")
{
displayOut(0, 0, "SUCCESS!", mMsg);
}
else
{
displayOut(2, 0, "", mMsg);
}
}
public void writeNDEFcard(ToolStripStatusLabel tssl, System.Windows.Forms.ComboBox cbReader, List<string> nfccard, string NDEFformat)
{
string tmpStr = string.Empty;
int indx, tempInt;
progress.Maximum = 29;
for (int i = 4; i < 29; i++)
{
if (i == 3 || i == 7 || i == 11 || i == 15 || i == 19 || i == 23 || i == 27 || i == 31)
{
i++;
}
try
{
tmpStr = nfccard[i];
}
catch (Exception ex) { }
ClearBuffers();
if (i == 4)
{
byte[] data = FromHex("00-00-03");
string format = Encoding.ASCII.GetString(data);
tmpStr = format + "ÚÒ#´a";
}
authenticate(i.ToString());
SendBuff[0] = 0xFF; // CLA
SendBuff[1] = 0xD6; // INS
SendBuff[2] = 0x00; // P1
SendBuff[3] = (byte)int.Parse(i.ToString()); // P2 : Starting Block No.
SendBuff[4] = (byte)int.Parse("16"); // P3 : Data length
for (indx = 0; indx <= (tmpStr).Length - 1; indx++)
{
SendBuff[indx + 5] = (byte)tmpStr[indx];
}
SendLen = SendBuff[4] + 5;
RecvLen = 0x02;
retCode = SendAPDU();
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return;
}
else
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
if (progress.Value != 29)
{
progress.Value++;
}
pause.Pause(75);
}
}
if (tmpStr.Trim() == "90 00")
{
displayOut(0, 0, "SUCCESS!", mMsg);
}
else
{
displayOut(2, 0, "", mMsg);
}
}
}
private static byte[] FromHex(string hex)
{
hex = hex.Replace("-", "");
byte[] raw = new byte[hex.Length / 2];
for (int i = 0; i < raw.Length; i++)
{
raw[i] = Convert.ToByte(hex.Substring(i * 2, 2), 16);
}
return raw;
}
public void writecard(ToolStripStatusLabel tssl, System.Windows.Forms.ComboBox cbReader, List<string> nfccard)
{
string tmpStr = string.Empty;
int indx, tempInt;
progress.Maximum = 29;
for (int i = 4; i < 29; i++)
{
if (i == 3 || i == 7 || i == 11 || i == 15 || i == 19 || i == 23 || i == 27 || i == 31)
{
i++;
}
try
{
tmpStr = nfccard[i];
}
catch (Exception ex) { }
ClearBuffers();
authenticate(i.ToString());
SendBuff[0] = 0xFF; // CLA
SendBuff[1] = 0xD6; // INS
SendBuff[2] = 0x00; // P1
SendBuff[3] = (byte)int.Parse(i.ToString()); // P2 : Starting Block No.
SendBuff[4] = (byte)int.Parse("16"); // P3 : Data length
for (indx = 0; indx <= (tmpStr).Length - 1; indx++)
{
SendBuff[indx + 5] = (byte)tmpStr[indx];
}
SendLen = SendBuff[4] + 5;
RecvLen = 0x02;
retCode = SendAPDU();
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return;
}
else
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
if (progress.Value != 29)
{
progress.Value++;
}
pause.Pause(75);
}
}
if (tmpStr.Trim() == "90 00")
{
displayOut(0, 0, "SUCCESS!", mMsg);
}
else
{
displayOut(2, 0, "", mMsg);
}
}
}
public void formatcard(ToolStripStatusLabel tssl, System.Windows.Forms.ComboBox cbReader)
{
string tmpStr;
int indx, tempInt;
progress.Maximum = 29;
for (int i = 4; i < 29; i++)
{
if (i == 3 || i == 7 || i == 11 || i == 15 || i == 19 || i == 23 || i == 27 || i == 31)
{
i++;
}
tmpStr = " ";
ClearBuffers();
authenticate(i.ToString());
SendBuff[0] = 0xFF; // CLA
SendBuff[1] = 0xD6; // INS
SendBuff[2] = 0x00; // P1
SendBuff[3] = (byte)int.Parse(i.ToString()); // P2 : Starting Block No.
SendBuff[4] = (byte)int.Parse("16"); // P3 : Data length
for (indx = 0; indx <= (tmpStr).Length - 1; indx++)
{
SendBuff[indx + 5] = (byte)tmpStr[indx];
}
SendLen = SendBuff[4] + 5;
RecvLen = 0x02;
retCode = SendAPDU();
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
return;
}
else
{
tmpStr = "";
for (indx = 0; indx <= RecvLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", RecvBuff[indx]);
if (progress.Value != 29)
{
progress.Value++;
}
pause.Pause(45);
}
}
if (tmpStr.Trim() == "90 00")
{
displayOut(0, 0, "SUCCESS!", mMsg);
}
else
{
displayOut(2, 0, "", mMsg);
}
}
}
public void getATR(System.Windows.Forms.ComboBox cbReader)
{
string tmpStr;
int indx;
displayOut(0, 0, "Invoke Card Status", mMsg);
ATRLen = 33;
retCode = ModWinsCard.SCardStatus(hCard, cbReader.Text, ref ReaderLen, ref dwState, ref dwActProtocol, ref ATRVal[0], ref ATRLen);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
displayOut(1, retCode, "", mMsg);
//System.Environment.Exit(0);
}
else
{
tmpStr = "ATR Length : " + ATRLen.ToString();
displayOut(3, 0, tmpStr, mMsg);
tmpStr = "ATR Value : ";
for (indx = 0; indx <= ATRLen - 1; indx++)
{
tmpStr = tmpStr + " " + string.Format("{0:X2}", ATRVal[indx]);
}
displayOut(3, 0, tmpStr, mMsg);
}
tmpStr = "Active Protocol: ";
switch (dwActProtocol)
{
case 1:
tmpStr = tmpStr + "T=0";
break;
case 2:
tmpStr = tmpStr + "T=1";
break;
default:
tmpStr = "No protocol is defined.";
break;
}
displayOut(3, 1, tmpStr, mMsg);
InterpretATR();
}
private void InterpretATR()
{
string RIDVal, cardName, sATRStr, lATRStr, tmpVal;
int indx, indx2;
//4. Interpret ATR and guess card
// 4.1. Mifare cards using ISO 14443 Part 3 Supplemental Document
if ((int)(ATRLen) > 14)
{
RIDVal = "";
sATRStr = "";
lATRStr = "";
for (indx = 7; indx <= 11; indx++)
{
RIDVal = RIDVal + " " + string.Format("{0:X2}", ATRVal[indx]);
}
for (indx = 0; indx <= 4; indx++)
{
//shift bit to right
tmpVal = ATRVal[indx].ToString();
for (indx2 = 1; indx2 <= 4; indx2++)
{
tmpVal = Convert.ToString(Convert.ToInt32(tmpVal) / 2);
}
if (((indx == '1') & (tmpVal == "8")))
{
lATRStr = lATRStr + "8X";
sATRStr = sATRStr + "8X";
}
else
{
if (indx == 4)
{
lATRStr = lATRStr + " " + string.Format("{0:X2}", ATRVal[indx]);
}
else
{
lATRStr = lATRStr + " " + string.Format("{0:X2}", ATRVal[indx]);
sATRStr = sATRStr + " " + string.Format("{0:X2}", ATRVal[indx]);
}
}
}
cardName = "";
if (RIDVal != "A0 00 00 03 06")
{
switch (ATRVal[12])
{
case 0:
cardName = "No card information";
break;
case 1:
cardName = "ISO 14443 A, Part1 Card Type";
break;
case 2:
cardName = "ISO 14443 A, Part2 Card Type";
break;
case 3:
cardName = "ISO 14443 A, Part3 Card Type";
break;
case 5:
cardName = "ISO 14443 B, Part1 Card Type";
break;
case 6:
cardName = "ISO 14443 B, Part2 Card Type";
break;
case 7:
cardName = "ISO 14443 B, Part3 Card Type";
break;
case 9:
cardName = "ISO 15693, Part1 Card Type";
break;
case 10:
cardName = "ISO 15693, Part2 Card Type";
break;
case 11:
cardName = "ISO 15693, Part3 Card Type";
break;
case 12:
cardName = "ISO 15693, Part4 Card Type";
break;
case 13:
cardName = "Contact Card (7816-10) IIC Card Type";
break;
case 14:
cardName = "Contact Card (7816-10) Extended IIC Card Type";
break;
case 15:
cardName = "0Contact Card (7816-10) 2WBP Card Type";
break;
case 16:
cardName = "Contact Card (7816-10) 3WBP Card Type";
break;
}
}
// Felica and Topaz Cards
if (ATRVal[12] == 0x03)
{
if (ATRVal[13] == 0xF0)
{
switch (ATRVal[14])
{
case 0x11:
cardName = cardName + ": FeliCa 212K";
break;
case 0x12:
cardName = cardName + ": Felica 424K";
break;
case 0x04:
cardName = cardName + ": Topaz";
break;
}
}
}
if (ATRVal[12] == 0x03)
{
if (ATRVal[13] == 0x00)
{
switch (ATRVal[14])
{
case 0x01:
cardName = cardName + ": Mifare Standard 1K";
break;
case 0x02:
cardName = cardName + ": Mifare Standard 4K";
break;
case 0x03:
cardName = cardName + ": Mifare Ultra light";
break;
case 0x04:
cardName = cardName + ": SLE55R_XXXX";
break;
case 0x06:
cardName = cardName + ": SR176";
break;
case 0x07:
cardName = cardName + ": SRI X4K";
break;
case 0x08:
cardName = cardName + ": AT88RF020";
break;
case 0x09:
cardName = cardName + ": AT88SC0204CRF";
break;
case 0x0A:
cardName = cardName + ": AT88SC0808CRF";
break;
case 0x0B:
cardName = cardName + ": AT88SC1616CRF";
break;
case 0x0C:
cardName = cardName + ": AT88SC3216CRF";
break;
case 0x0D:
cardName = cardName + ": AT88SC6416CRF";
break;
case 0x0E:
cardName = cardName + ": SRF55V10P";
break;
case 0xF:
cardName = cardName + ": SRF55V02P";
break;
case 0x10:
cardName = cardName + ": SRF55V10S";
break;
case 0x11:
cardName = cardName + ": SRF55V02S";
break;
case 0x12:
cardName = cardName + ": TAG IT";
break;
case 0x13:
cardName = cardName + ": LRI512";
break;
case 0x14:
cardName = cardName + ": ICODESLI";
break;
case 0x15:
cardName = cardName + ": TEMPSENS";
break;
case 0x16:
cardName = cardName + ": I.CODE1";
break;
case 0x17:
cardName = cardName + ": PicoPass 2K";
break;
case 0x18:
cardName = cardName + ": PicoPass 2KS";
break;
case 0x19:
cardName = cardName + ": PicoPass 16K";
break;
case 0x1A:
cardName = cardName + ": PicoPass 16KS";
break;
case 0x1B:
cardName = cardName + ": PicoPass 16K(8x2)";
break;
case 0x1C:
cardName = cardName + ": PicoPass 16KS(8x2)";
break;
case 0x1D:
cardName = cardName + ": PicoPass 32KS(16+16)";
break;
case 0x1E:
cardName = cardName + ": PicoPass 32KS(16+8x2)";
break;
case 0x1F:
cardName = cardName + ": PicoPass 32KS(8x2+16)";
break;
case 0x20:
cardName = cardName + ": PicoPass 32KS(8x2+8x2)";
break;
case 0x21: