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package simpleapdu;
import applets.SimpleECCApplet;
import static applets.SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE;
import static applets.SimpleECCApplet.ECTEST_SET_INVALIDCURVE;
import javacard.framework.ISO7816;
import javacard.security.CryptoException;
import javacard.security.KeyPair;
import javax.smartcardio.ResponseAPDU;
import org.bouncycastle.util.Arrays;
/**
*
* @author Petr Svenda petr@svenda.com
*/
public class SimpleAPDU {
static CardMngr cardManager = new CardMngr();
private final static byte SELECT_ECTESTERAPPLET[] = {(byte) 0x00, (byte) 0xa4, (byte) 0x04, (byte) 0x00, (byte) 0x0a,
(byte) 0x45, (byte) 0x43, (byte) 0x54, (byte) 0x65, (byte) 0x73, (byte) 0x74, (byte) 0x65, (byte) 0x72, (byte) 0x30, (byte) 0x31};
private static byte TESTECSUPPORTALL_FP[] = {(byte) 0xB0, (byte) 0x5E, (byte) 0x00, (byte) 0x00, (byte) 0x00};
private static byte TESTECSUPPORTALL_F2M[] = {(byte) 0xB0, (byte) 0x5F, (byte) 0x00, (byte) 0x00, (byte) 0x00};
private static byte TESTECSUPPORTALL_LASTUSEDPARAMS[] = {(byte) 0xB0, (byte) 0x40, (byte) 0x00, (byte) 0x00, (byte) 0x00};
private static byte TESTECSUPPORTALL_FP_KEYGEN_INVALIDCURVEB[] = {(byte) 0xB0, (byte) 0x70, (byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00};
static short getShort(byte[] array, int offset) {
return (short) (((array[offset] & 0xFF) << 8) | (array[offset + 1] & 0xFF));
}
static void setShort(byte[] array, int offset, short value) {
array[offset + 1] = (byte) (value & 0xFF);
array[offset] = (byte) ((value >> 8) & 0xFF);
}
static void testFPkeyGen_setNumRepeats(byte[] apduArray, short numRepeats) {
// num repeats starts at index 5
setShort(apduArray, 5, numRepeats);
}
static void testFPkeyGen_rewindOnSuccess(byte[] apduArray, boolean bRewind) {
// rewind info at index 7
apduArray[7] = bRewind ? (byte) 1 : (byte) 0;
}
static void testFPkeyGen_setCorruptionType(byte[] apduArray, short corruptionType) {
// corruptionType starts at index 7
setShort(apduArray, 7, corruptionType);
}
public static void main(String[] args) {
try {
//
// REAL CARDS
//
if (cardManager.ConnectToCard()) {
// Select our application on card
cardManager.sendAPDU(SELECT_ECTESTERAPPLET);
// Test setting invalid parameter B of curev
byte[] testAPDU = Arrays.clone(TESTECSUPPORTALL_FP_KEYGEN_INVALIDCURVEB);
//testFPkeyGen_setCorruptionType(testAPDU, SimpleECCApplet.CORRUPT_B_LASTBYTEINCREMENT);
testFPkeyGen_setCorruptionType(testAPDU, SimpleECCApplet.CORRUPT_B_ONEBYTERANDOM);
//testFPkeyGen_setCorruptionType(testAPDU, SimpleECCApplet.CORRUPT_B_FULLRANDOM);
testFPkeyGen_setNumRepeats(testAPDU, (short) 1000);
testFPkeyGen_rewindOnSuccess(testAPDU, false);
ResponseAPDU resp_fp_keygen = cardManager.sendAPDU(testAPDU);
ResponseAPDU resp_keygen_params = cardManager.sendAPDU(TESTECSUPPORTALL_LASTUSEDPARAMS);
PrintECKeyGenInvalidCurveB(resp_fp_keygen);
PrintECKeyGenInvalidCurveB_lastUserParams(resp_keygen_params);
// Test support for different types of curves
ResponseAPDU resp_fp = cardManager.sendAPDU(TESTECSUPPORTALL_FP);
ResponseAPDU resp_f2m = cardManager.sendAPDU(TESTECSUPPORTALL_F2M);
PrintECSupport(resp_fp);
PrintECSupport(resp_f2m);
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";
}
if (code == SimpleECCApplet.SW_KEYPAIR_GENERATED_INVALID) {
codeStr = "SW_KEYPAIR_GENERATED_INVALID";
}
if (code == SimpleECCApplet.SW_INVALID_CORRUPTION_TYPE) {
codeStr = "SW_INVALID_CORRUPTION_TYPE";
}
return String.format("fail\t(%s,\t0x%4x)", codeStr, code);
}
}
enum ExpResult {
SHOULD_SUCCEDD,
MAY_FAIL,
MUST_FAIL
}
static int VerifyPrintResult(String message, byte expectedTag, byte[] buffer, int bufferOffset, ExpResult expRes) {
if (bufferOffset >= buffer.length) {
System.out.println("No more data returned");
}
else {
if (buffer[bufferOffset] != expectedTag) {
System.out.println("ERROR: mismatched tag");
assert(buffer[bufferOffset] == expectedTag);
}
bufferOffset++;
short resCode = getShort(buffer, bufferOffset);
bufferOffset += 2;
boolean bHiglight = false;
if ((expRes == ExpResult.MUST_FAIL) && (resCode == ISO7816.SW_NO_ERROR)) {
bHiglight = true;
}
if ((expRes == ExpResult.SHOULD_SUCCEDD) && (resCode != ISO7816.SW_NO_ERROR)) {
bHiglight = true;
}
if (bHiglight) {
System.out.println(String.format("!! %-50s%s", message, getPrintError(resCode)));
}
else {
System.out.println(String.format(" %-50s%s", message, getPrintError(resCode)));
}
}
return bufferOffset;
}
static void PrintECSupport(ResponseAPDU resp) {
byte[] buffer = resp.getData();
System.out.println();System.out.println();
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("%-53s%s", "EC type:", ecType));
bufferOffset++;
short keyLen = getShort(buffer, bufferOffset);
System.out.println(String.format("%-53s%d bits", "EC key length (bits):", keyLen));
bufferOffset += 2;
bufferOffset = VerifyPrintResult("KeyPair object allocation:", SimpleECCApplet.ECTEST_ALLOCATE_KEYPAIR, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with def curve (fails if no def):", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_DEFCURVE, buffer, bufferOffset, ExpResult.MAY_FAIL);
bufferOffset = VerifyPrintResult("Set valid custom curve:", SimpleECCApplet.ECTEST_SET_VALIDCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with valid curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("ECDH agreement with valid point:", SimpleECCApplet.ECTEST_ECDH_AGREEMENT_VALID_POINT, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("ECDH agreement with invalid point (fail is good):", SimpleECCApplet.ECTEST_ECDH_AGREEMENT_INVALID_POINT, buffer, bufferOffset, ExpResult.MUST_FAIL);
bufferOffset = VerifyPrintResult("Set invalid custom curve (may fail):", SimpleECCApplet.ECTEST_SET_INVALIDCURVE, buffer, bufferOffset, ExpResult.MAY_FAIL);
bufferOffset = VerifyPrintResult("Generate key with invalid curve (fail is good):", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_INVALIDCUSTOMCURVE, buffer, bufferOffset, ExpResult.MUST_FAIL);
System.out.println();
}
}
static void PrintECKeyGenInvalidCurveB(ResponseAPDU resp) {
byte[] buffer = resp.getData();
System.out.println();
System.out.println();
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("%-53s%s", "EC type:", ecType));
bufferOffset++;
short keyLen = getShort(buffer, bufferOffset);
System.out.println(String.format("%-53s%d bits", "EC key length (bits):", keyLen));
bufferOffset += 2;
short numRepeats = getShort(buffer, bufferOffset);
bufferOffset += 2;
System.out.println(String.format("Executed repeats before unexpected error: %d times", numRepeats));
bufferOffset = VerifyPrintResult("KeyPair object allocation:", SimpleECCApplet.ECTEST_ALLOCATE_KEYPAIR, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
while (bufferOffset < buffer.length) {
bufferOffset = VerifyPrintResult("Set invalid custom curve:", SimpleECCApplet.ECTEST_SET_INVALIDCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with invalid curve (fail is good):", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_INVALIDCUSTOMCURVE, buffer, bufferOffset, ExpResult.MUST_FAIL);
bufferOffset = VerifyPrintResult("Set valid custom curve:", SimpleECCApplet.ECTEST_SET_VALIDCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with valid curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
}
System.out.println();
}
}
static void PrintECKeyGenInvalidCurveB_lastUserParams(ResponseAPDU resp) {
byte[] buffer = resp.getData();
short offset = 0;
System.out.print("Last used value of B: ");
while (offset < buffer.length) {
System.out.print(String.format("%x ", buffer[offset]));
offset++;
}
}
}
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