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package simpleapdu;
import com.licel.jcardsim.io.CAD;
import com.licel.jcardsim.io.JavaxSmartCardInterface;
import java.util.List;
import javacard.framework.AID;
import javax.smartcardio.*;
/**
*
* @author xsvenda
*/
public class CardMngr {
CardTerminal m_terminal = null;
CardChannel m_channel = null;
Card m_card = null;
// Simulator related attributes
private static CAD m_cad = null;
private static JavaxSmartCardInterface m_simulator = null;
private final byte selectCM[] = {
(byte) 0x00, (byte) 0xa4, (byte) 0x04, (byte) 0x00, (byte) 0x07, (byte) 0xa0, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x18, (byte) 0x43, (byte) 0x4d};
public static final byte OFFSET_CLA = 0x00;
public static final byte OFFSET_INS = 0x01;
public static final byte OFFSET_P1 = 0x02;
public static final byte OFFSET_P2 = 0x03;
public static final byte OFFSET_LC = 0x04;
public static final byte OFFSET_DATA = 0x05;
public static final byte HEADER_LENGTH = 0x05;
public final static short DATA_RECORD_LENGTH = (short) 0x80; // 128B per record
public final static short NUMBER_OF_RECORDS = (short) 0x0a; // 10 records
public boolean ConnectToCard() throws Exception {
// TRY ALL READERS, FIND FIRST SELECTABLE
List terminalList = GetReaderList();
if (terminalList.isEmpty()) {
System.out.println("No terminals found");
}
//List numbers of Card readers
boolean cardFound = false;
for (int i = 0; i < terminalList.size(); i++) {
System.out.println(i + " : " + terminalList.get(i));
m_terminal = (CardTerminal) terminalList.get(i);
if (m_terminal.isCardPresent()) {
m_card = m_terminal.connect("*");
System.out.println("card: " + m_card);
m_channel = m_card.getBasicChannel();
//reset the card
ATR atr = m_card.getATR();
System.out.println(bytesToHex(m_card.getATR().getBytes()));
cardFound = true;
}
}
return cardFound;
}
public void DisconnectFromCard() throws Exception {
if (m_card != null) {
m_card.disconnect(false);
m_card = null;
}
}
public byte[] GetCPLCData() throws Exception {
byte[] data;
// TODO: Modify to obtain CPLC data
byte apdu[] = new byte[HEADER_LENGTH];
apdu[OFFSET_CLA] = (byte) 0x00;
apdu[OFFSET_INS] = (byte) 0x00;
apdu[OFFSET_P1] = (byte) 0x00;
apdu[OFFSET_P2] = (byte) 0x00;
apdu[OFFSET_LC] = (byte) 0x00;
ResponseAPDU resp = sendAPDU(apdu);
if (resp.getSW() != 0x9000) { // 0x9000 is "OK"
System.out.println("Fail to obtain card's response data");
data = null;
} else {
byte temp[] = resp.getBytes();
data = new byte[temp.length - 2];
System.arraycopy(temp, 0, data, 0, temp.length - 2);
// Last two bytes are status word (also obtainable by resp.getSW())
// Take a look at ISO7816_status_words.txt for common codes
}
return data;
}
public void ProbeCardCommands() throws Exception {
// TODO: modify to probe for instruction
for (int i = 0; i <= 0; i++) {
byte apdu[] = new byte[HEADER_LENGTH];
apdu[OFFSET_CLA] = (byte) 0x00;
apdu[OFFSET_INS] = (byte) 0x00;
apdu[OFFSET_P1] = (byte) 0x00;
apdu[OFFSET_P2] = (byte) 0x00;
apdu[OFFSET_LC] = (byte) 0x00;
ResponseAPDU resp = sendAPDU(apdu);
System.out.println("Response: " + Integer.toHexString(resp.getSW()));
if (resp.getSW() != 0x6D00) { // Note: 0x6D00 is SW_INS_NOT_SUPPORTED
// something?
}
}
}
public List GetReaderList() {
try {
TerminalFactory factory = TerminalFactory.getDefault();
List readersList = factory.terminals().list();
return readersList;
} catch (Exception ex) {
System.out.println("Exception : " + ex);
return null;
}
}
public ResponseAPDU sendAPDU(byte apdu[]) throws Exception {
CommandAPDU commandAPDU = new CommandAPDU(apdu);
System.out.println(">>>>");
System.out.println(commandAPDU);
System.out.println(bytesToHex(commandAPDU.getBytes()));
long elapsed = -System.nanoTime();
ResponseAPDU responseAPDU = m_channel.transmit(commandAPDU);
elapsed += System.nanoTime();
System.out.println(responseAPDU);
System.out.println(bytesToHex(responseAPDU.getBytes()));
if (responseAPDU.getSW1() == (byte) 0x61) {
CommandAPDU apduToSend = new CommandAPDU((byte) 0x00,
(byte) 0xC0, (byte) 0x00, (byte) 0x00,
(int) responseAPDU.getSW1());
responseAPDU = m_channel.transmit(apduToSend);
System.out.println(bytesToHex(responseAPDU.getBytes()));
}
System.out.println("<<<<");
System.out.println("Elapsed time (ms): " + elapsed / 1000000);
return (responseAPDU);
}
public String byteToHex(byte data) {
StringBuilder buf = new StringBuilder();
buf.append(toHexChar((data >>> 4) & 0x0F));
buf.append(toHexChar(data & 0x0F));
return buf.toString();
}
public char toHexChar(int i) {
if ((0 <= i) && (i <= 9)) {
return (char) ('0' + i);
} else {
return (char) ('a' + (i - 10));
}
}
public String bytesToHex(byte[] data) {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < data.length; i++) {
buf.append(byteToHex(data[i]));
buf.append(" ");
}
return (buf.toString());
}
public boolean prepareLocalSimulatorApplet(byte[] appletAIDArray, byte[] installData, Class appletClass) {
System.setProperty("com.licel.jcardsim.terminal.type", "2");
m_cad = new CAD(System.getProperties());
m_simulator = (JavaxSmartCardInterface) m_cad.getCardInterface();
AID appletAID = new AID(appletAIDArray, (short) 0, (byte) appletAIDArray.length);
AID appletAIDRes = m_simulator.installApplet(appletAID, appletClass, installData, (short) 0, (byte) installData.length);
return m_simulator.selectApplet(appletAID);
}
public byte[] sendAPDUSimulator(byte apdu[]) throws Exception {
System.out.println(">>>>");
System.out.println(bytesToHex(apdu));
byte[] responseBytes = m_simulator.transmitCommand(apdu);
System.out.println(bytesToHex(responseBytes));
System.out.println("<<<<");
return responseBytes;
}
}
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