// ------------------------------------------------
public penCipher() {
desEngine = Cipher.getInstance(Cipher.ALG_DES_ECB_NOPAD, false);
desKey = KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES, false);
des3Key = KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES3_2KEY, false);
tbuf1 = JCSystem.makeTransientByteArray((short) 8, JCSystem.CLEAR_ON_DESELECT);
tbuf2 = JCSystem.makeTransientByteArray((short) 8, JCSystem.CLEAR_ON_DESELECT);
}
private PKIApplet() {
pin = new OwnerPIN(PIN_TRIES, MAX_PIN_SIZE);
puc = new OwnerPIN(PUC_TRIES, PUC_SIZE);
rd = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
pkcs1Cipher = Cipher.getInstance(Cipher.ALG_RSA_PKCS1, false);
nopadCipher = Cipher.getInstance(Cipher.ALG_RSA_NOPAD, false);
md = MessageDigest.getInstance(MessageDigest.ALG_SHA, false);
tmp = JCSystem.makeTransientByteArray(TMP_SIZE, JCSystem.CLEAR_ON_DESELECT);
state = STATE_INITIAL;
authKeyId = new byte[KEY_ID_SIZE];
signKeyId = new byte[KEY_ID_SIZE];
decKeyId = new byte[KEY_ID_SIZE];
authKeyPrivate =
(RSAPrivateCrtKey)
KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_CRT_PRIVATE, KeyBuilder.LENGTH_RSA_1024, false);
signKeyPrivate =
(RSAPrivateCrtKey)
KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_CRT_PRIVATE, KeyBuilder.LENGTH_RSA_1024, false);
decKeyPrivate =
(RSAPrivateCrtKey)
KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_CRT_PRIVATE, KeyBuilder.LENGTH_RSA_1024, false);
tempKeyPublic =
(RSAPublicKey)
KeyBuilder.buildKey(KeyBuilder.TYPE_RSA_PUBLIC, KeyBuilder.LENGTH_RSA_1024, false);
currentPrivateKey = JCSystem.makeTransientObjectArray((short) 1, JCSystem.CLEAR_ON_DESELECT);
expectedDecipherDataLength =
JCSystem.makeTransientShortArray((short) 1, JCSystem.CLEAR_ON_DESELECT);
fileSystem = new FileSystem((short) 16);
}
private ConnectionManager(byte[] bArray, short bOffset, byte bLength) {
// The connection manager keeps track of the area where the
// device is operating. Since the area changes as the user moves,
// we keep track of the area by setting a variable in Transient
// Clear-On-Deselect memory.
activeAreaCode = JCSystem.makeTransientShortArray((short) 1, JCSystem.CLEAR_ON_DESELECT);
activeAreaCode[0] = INACTIVE_AREA;
connectionStatus = JCSystem.makeTransientByteArray((short) 1, JCSystem.CLEAR_ON_DESELECT);
register();
}
FileSystem() {
files = new Object[18];
fileSizes = new short[18];
filePerms = new byte[18];
currentAuthorization = JCSystem.makeTransientByteArray((short) 3, JCSystem.CLEAR_ON_DESELECT);
// The default read authorization for all DGs is mutual authentication
// required
for (short i = 0; i < 18; i++) {
filePerms[i] = SmartIDApplet.MUTUAL_AUTHENTICATED;
}
filePerms[EF_DG14_INDEX] = (byte) 0x00;
}
/**
* Create a new file system for maxFiles maximum number of files.
*
* @param maxFiles the maximum number of files.
*/
FileSystem(short maxFiles) {
efFiles = new Object[maxFiles];
efPerms = new byte[maxFiles];
fileStructureIndex = JCSystem.makeTransientShortArray((short) 1, JCSystem.CLEAR_ON_DESELECT);
fnfe = new FileNotFoundException();
}
public void process(APDU apdu) {
// Good practice: Return 9000 on SELECT
if (selectingApplet()) {
return;
}
byte[] buff = apdu.getBuffer();
// Get the incoming APDU
// Util.arrayCopy(apdu.getBuffer(),(short) 0, buff,(short) 0,(short) apdu.getBuffer().length);//
// apdu.getBuffer();
// Check the CLA
/*
if(buff[ISO7816.OFFSET_CLA]!=CLA){
ISOException.throwIt(ISO7816.SW_CLA_NOT_SUPPORTED);
}
*/
// Switch on the instruction code INS
switch (buff[ISO7816.OFFSET_INS]) {
// Create a test signature using test
case SEND_TEST_SIGNATURE:
// Sign the test byte and get the signature size
size = sig.sign(test, (short) 0, (short) test.length, output, (short) 0);
break;
// return modulus of public key
case SEND_PUB_MOD:
// Retrieve the modulus, store it in the output byte array and set the output length
size = k.getModulus(output, (short) 0);
break;
// return exponent of public key
case SEND_PUB_EXP:
// Retrieve the public exponent, store it in the output byte array and set the output
// length
size = k.getExponent(output, (short) 0);
break;
// return exponent of private key given correct pin authentication
case SEND_PRV_EXP:
// Check that the user is authenticated (correct command 0x80 0x03 0x01 0x00 0x04 0x00 0x00
// 0x00 0x00 0x00)
if (buff[ISO7816.OFFSET_P1] == ((byte) 0x01)) {
if (buff[ISO7816.OFFSET_LC] != (byte) 0x00) {
if (pin.check(buff, (short) (ISO7816.OFFSET_LC + 1), buff[ISO7816.OFFSET_LC])) {
size = k2.getExponent(output, (short) 0);
pin.reset();
} else {
// wrong pin (system should have taken care of decrementing the counter and checking
// boundary conditions)
ISOException.throwIt(ISO7816.SW_WRONG_DATA);
}
} else {
ISOException.throwIt(ISO7816.SW_CONDITIONS_NOT_SATISFIED); // no pin was sent
}
} else {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2); // wrong command code
}
// Retrieve the private exponent, store it in the output byte array and set the output
// length
size = k2.getExponent(output, (short) 0);
break;
// return size of signature and modulus for testing purposes (they should be the same)
case (byte) SEND_KEY_LENGTH:
shortToByteArray(keysize);
size = (short) 2;
Util.arrayCopy(buff, (short) 0, output, (short) 0, size);
break;
// Sign arbitrary text sent to card
case (byte) SIGN_INPUT_DATA:
size = (short) buff[ISO7816.OFFSET_LC];
size = sig.sign(buff, (short) (ISO7816.OFFSET_LC + 1), size, output, (short) 0);
break;
// return the modulus of public keywith a random value sent from the host
case (byte) SEND_AUTHENTICATED_PUB_EXP:
// Find the size of the random value
size = (short) buff[ISO7816.OFFSET_LC];
// If the current key is 2048 bit =256 bytes we need a big array to store all data to sign
// TODO limit the size of the input value and do some checks on it
bigArray =
JCSystem.makeTransientByteArray((short) (size + keysize), JCSystem.CLEAR_ON_RESET);
// Update the signature object with that value
Util.arrayCopy(buff, (short) (ISO7816.OFFSET_LC + 1), bigArray, (short) 0, size);
k.getModulus(bigArray, (short) (size));
// Util.arrayCopy(buff, (short) 0, bigArray, (short) (ISO7816.OFFSET_LC+size+1), len);
size = sig.sign(bigArray, (short) 0, (short) bigArray.length, output, (short) 0);
break;
case (byte) 0x07:
size = (short) 2;
output[0] = (byte) 0x09;
output[1] = (byte) 0x08;
break;
case (byte) 0x08:
short length = 256;
// short length = (short) buff.length;
size = (short) length;
// output[0]=(byte) 0x08;
// output[1]=(byte) 0x08;
for (short i = 0; i < length; i++) {
output[i] = (byte) buff[i];
}
break;
default:
// good practice: If you don't know the INStruction, say so:
ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
}
send(apdu);
}