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package simpleapdu;
import applets.SimpleECCApplet;
import javacard.framework.ISO7816;
import javacard.security.CryptoException;
import javacard.security.KeyPair;
import javax.smartcardio.ResponseAPDU;
/**
*
* @author xsvenda
*/
public class SimpleAPDU {
static CardMngr cardManager = new CardMngr();
private static byte DEFAULT_USER_PIN[] = {(byte) 0x30, (byte) 0x30, (byte) 0x30, (byte) 0x30};
private static byte NEW_USER_PIN[] = {(byte) 0x31, (byte) 0x31, (byte) 0x31, (byte) 0x31};
private static byte APPLET_AID[] = {(byte) 0x4C, (byte) 0x61, (byte) 0x62, (byte) 0x61, (byte) 0x6B,
(byte) 0x41, (byte) 0x70, (byte) 0x70, (byte) 0x6C, (byte) 0x65, (byte) 0x74};
private static byte SELECT_SIMPLEAPPLET[] = {(byte) 0x00, (byte) 0xa4, (byte) 0x04, (byte) 0x00, (byte) 0x0b,
(byte) 0x4C, (byte) 0x61, (byte) 0x62, (byte) 0x61, (byte) 0x6B,
(byte) 0x41, (byte) 0x70, (byte) 0x70, (byte) 0x6C, (byte) 0x65, (byte) 0x74};
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};
private static byte GENERATEKEY[] = {(byte) 0xB0, (byte) 0x5A, (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x00};
private static byte RESPONDDATA[] = {(byte) 0xB0, (byte) 0x5B, (byte) 0x00, (byte) 0x00, (byte) 0x02, (byte) 0x00, (byte) 0x30};
private static byte TESTECSUPPORTALL[] = {(byte) 0xB0, (byte) 0x5E, (byte) 0x00, (byte) 0x00, (byte) 0x00};
static short getShort(byte[] array, int offset) {
return (short) (((array[offset] & 0xFF) << 8) | (array[offset + 1] & 0xFF));
}
public static void main(String[] args) {
try {
//
// SIMULATED CARDS
//
/*
// Prepare simulated card
byte[] installData = new byte[10]; // no special install data passed now - can be used to pass initial keys etc.
cardManager.prepareLocalSimulatorApplet(APPLET_AID, installData, SimpleECCApplet.class);
// TODO: prepare proper APDU command
short additionalDataLen = 0;
byte apdu[] = new byte[CardMngr.HEADER_LENGTH + additionalDataLen];
apdu[CardMngr.OFFSET_CLA] = (byte) 0xB0;
apdu[CardMngr.OFFSET_INS] = (byte) 0x5a;
apdu[CardMngr.OFFSET_P1] = (byte) 0x00;
apdu[CardMngr.OFFSET_P2] = (byte) 0x00;
apdu[CardMngr.OFFSET_LC] = (byte) additionalDataLen;
// TODO: if additional data are supplied (additionalDataLen != 0), then set proper inpupt here
// NOTE: we are using sendAPDUSimulator() instead of sendAPDU()
byte[] response = cardManager.sendAPDUSimulator(apdu);
// TODO: parse response data - status, data
response = cardManager.sendAPDUSimulator(apdu);
*/
//
// REAL CARDS
//
// TODO: Try same with real card
if (cardManager.ConnectToCard()) {
// Select our application on card
cardManager.sendAPDU(SELECT_SIMPLEAPPLET);
ResponseAPDU resp = cardManager.sendAPDU(TESTECSUPPORTALL);
PrintECSupport(resp);
cardManager.DisconnectFromCard();
} else {
System.out.println("Failed to connect to card");
}
} catch (Exception ex) {
System.out.println("Exception : " + ex);
}
}
static String getPrintError(short code) {
if (code == ISO7816.SW_NO_ERROR) {
return "OK\t(0x9000)";
}
else {
String codeStr = "unknown";
if (code == CryptoException.ILLEGAL_VALUE) {
codeStr = "ILLEGAL_VALUE";
}
if (code == CryptoException.UNINITIALIZED_KEY) {
codeStr = "UNINITIALIZED_KEY";
}
if (code == CryptoException.NO_SUCH_ALGORITHM) {
codeStr = "NO_SUCH_ALG";
}
if (code == CryptoException.INVALID_INIT) {
codeStr = "INVALID_INIT";
}
if (code == CryptoException.ILLEGAL_USE) {
codeStr = "ILLEGAL_USE";
}
if (code == SimpleECCApplet.SW_SKIPPED) {
codeStr = "skipped";
}
return String.format("fail\t(%s,\t0x%4x)", codeStr, code);
}
}
static int VerifyPrintResult(String message, byte expectedTag, byte[] buffer, int bufferOffset) {
assert (buffer[bufferOffset] == expectedTag);
bufferOffset++;
short resCode = getShort(buffer, bufferOffset);
bufferOffset += 2;
System.out.println(String.format("%-40s%s", message, getPrintError(resCode)));
return bufferOffset;
}
static void PrintECSupport(ResponseAPDU resp) {
byte[] buffer = resp.getData();
int bufferOffset = 0;
while (bufferOffset < buffer.length) {
assert(buffer[bufferOffset] == SimpleECCApplet.ECTEST_SEPARATOR);
bufferOffset++;
String ecType = "unknown";
if (buffer[bufferOffset] == KeyPair.ALG_EC_FP) {
ecType = "ALG_EC_FP";
}
if (buffer[bufferOffset] == KeyPair.ALG_EC_F2M) {
ecType = "ALG_EC_F2M";
}
System.out.println(String.format("%-40s%s", "EC type:", ecType));
bufferOffset++;
short keyLen = getShort(buffer, bufferOffset);
System.out.println(String.format("%-40s%d bits", "EC key length (bits):", keyLen));
bufferOffset += 2;
bufferOffset = VerifyPrintResult("KeyPair object allocation:", SimpleECCApplet.ECTEST_ALLOCATE_KEYPAIR, buffer, bufferOffset);
bufferOffset = VerifyPrintResult("Generate key with def curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_DEFCURVE, buffer, bufferOffset);
bufferOffset = VerifyPrintResult("Set valid custom curve:", SimpleECCApplet.ECTEST_SET_VALIDCURVE, buffer, bufferOffset);
bufferOffset = VerifyPrintResult("Generate key with valid curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE, buffer, bufferOffset);
bufferOffset = VerifyPrintResult("Set invalid custom curve:", SimpleECCApplet.ECTEST_SET_INVALIDCURVE, buffer, bufferOffset);
bufferOffset = VerifyPrintResult("Generate key with invalid curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_INVALIDCUSTOMCURVE, buffer, bufferOffset);
System.out.println();
}
}
}
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