Added support for PSO:DEC/ENC with AES

This commit is contained in:
Joeri 2017-12-06 17:12:36 +01:00
parent 0d58fc744c
commit 11712fbe5e
3 changed files with 260 additions and 19 deletions

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@ -41,7 +41,7 @@
</target>
<!-- Build unit tests -->
<target name="compileTest" depends="openpgpcard,compileTestApplet">
<target name="compileTest" depends="compileTestApplet">
<javac srcdir="${test.src.dir}" destdir="${test.build.dir}" includeantruntime="false">
<classpath refid="classpath.test"/>
</javac>

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@ -47,9 +47,10 @@ public class OpenPGPApplet extends Applet implements ISO7816 {
0x00 };
private static final byte[] EXTENDED_CAP = {
(byte) 0xF0, // Support for GET CHALLENGE
(byte) 0xF2, // Support for GET CHALLENGE
// Support for Key Import
// PW1 Status byte changeable
// PSO:DEC/ENC with AES
0x00, // Secure messaging using 3DES
0x00, (byte) 0xFF, // Maximum length of challenges
0x00, (byte) 0xFF, // Maximum length Cardholder Certificate
@ -129,6 +130,13 @@ public class OpenPGPApplet extends Applet implements ISO7816 {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00 };
// Pointer to current AES key in use
private AESKey aesKey;
private AESKey aes128Key;
private AESKey aes256Key;
private Cipher aesCipher;
private Cipher cipher;
private RandomData random;
@ -177,7 +185,12 @@ public class OpenPGPApplet extends Applet implements ISO7816 {
sig_key = new PGPKey();
dec_key = new PGPKey();
auth_key = new PGPKey();
aes128Key = (AESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_AES, KeyBuilder.LENGTH_AES_128, false);
aes256Key = (AESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_AES, KeyBuilder.LENGTH_AES_256, false);
aesCipher = Cipher.getInstance(Cipher.ALG_AES_BLOCK_128_CBC_NOPAD, false);
aesKey = aes128Key;
//
cipher = Cipher.getInstance(Cipher.ALG_RSA_PKCS1, false);
random = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
@ -258,14 +271,14 @@ public class OpenPGPApplet extends Applet implements ISO7816 {
// COMPUTE DIGITAL SIGNATURE
if (p1p2 == (short) 0x9E9A) {
le = computeDigitalSignature(apdu);
}
// DECIPHER
else if (p1p2 == (short) 0x8086) {
} else if (p1p2 == (short) 0x8086) {
le = decipher(apdu);
} else if (p1p2 == (short) 0x8680) {
le = encipher(apdu);
} else {
ISOException.throwIt(SW_WRONG_P1P2);
}
// TODO Add support for encipher command
break;
@ -612,19 +625,79 @@ public class OpenPGPApplet extends Applet implements ISO7816 {
* @return Length of data written in buffer
*/
private short decipher(APDU apdu) {
// DECIPHER
if (!(pw1.isValidated() && pw1_modes[PW1_MODE_NO82]))
ISOException.throwIt(SW_SECURITY_STATUS_NOT_SATISFIED);
if (!dec_key.getPrivate().isInitialized())
short len = 0;
// Check padding indicator
if (buffer[0] == 0x00) {
// RSA
if (!dec_key.getPrivate().isInitialized())
ISOException.throwIt(SW_CONDITIONS_NOT_SATISFIED);
// Copy data to be decrypted to tmp, omit padding indicator
short length = Util.arrayCopyNonAtomic(buffer, (short) 1, tmp, _0,
(short) (in_received - 1));
cipher.init(dec_key.getPrivate(), Cipher.MODE_DECRYPT);
len = cipher.doFinal(tmp, _0, length, buffer, _0);
} else if (buffer[0] == 0x02){
// AES
if (!aesKey.isInitialized())
ISOException.throwIt(SW_CONDITIONS_NOT_SATISFIED);
// Check whether data is multiple of blocksize (16). The last 4 bits of the length should be 0
if(((in_received - 1) & 0x0F) != 0x00) {
ISOException.throwIt(SW_WRONG_LENGTH);
}
// Copy data to be decrypted to tmp, omit padding indicator
short length = Util.arrayCopyNonAtomic(buffer, (short) 1, tmp, _0,
(short) (in_received - 1));
aesCipher.init(aesKey, Cipher.MODE_DECRYPT);
len = aesCipher.doFinal(tmp, _0, length, buffer, _0);
} else {
ISOException.throwIt(SW_CONDITIONS_NOT_SATISFIED);
}
return len;
}
/**
* Provide the PSO: ENCIPHER command (INS 2A, P1P2 8680)
*
* Encrypt the data provided using the AES key stored in DO D5.
*
* Before using this method PW1 has to be verified with mode No. 82.
*
* @param apdu
* @return Length of data written in buffer
*/
private short encipher(APDU apdu) {
if (!(pw1.isValidated() && pw1_modes[PW1_MODE_NO82]))
ISOException.throwIt(SW_SECURITY_STATUS_NOT_SATISFIED);
if (!aesKey.isInitialized())
ISOException.throwIt(SW_CONDITIONS_NOT_SATISFIED);
// Copy data to be decrypted to tmp, omit padding indicator
short length = Util.arrayCopyNonAtomic(buffer, (short) 1, tmp, _0,
(short) (in_received - 1));
cipher.init(dec_key.getPrivate(), Cipher.MODE_DECRYPT);
return cipher.doFinal(tmp, _0, length, buffer, _0);
}
// Check whether data is multiple of blocksize (16). The last 4 bits of the length should be 0
if((in_received & 0x0F) != 0x00) {
ISOException.throwIt(SW_WRONG_LENGTH);
}
// Copy data to be encrypted to tmp
Util.arrayCopyNonAtomic(buffer, _0, tmp, _0, in_received);
short len = 1;
// Set padding indicator in output
buffer[0] = 0x02;
aesCipher.init(aesKey, Cipher.MODE_ENCRYPT);
len += aesCipher.doFinal(tmp, _0, in_received, buffer, (short)1);
return len;
}
/**
* Provide the INTERNAL AUTHENTICATE command (INS 88)
@ -1079,6 +1152,24 @@ public class OpenPGPApplet extends Applet implements ISO7816 {
}
break;
// D5 - AES-Key for PSO:ENC/DEC
case (short) 0x00D5:
// Check the length for the provided data
if (in_received == (KeyBuilder.LENGTH_AES_128 / 8)) {
aes128Key.setKey(buffer, _0);
aesKey = aes128Key;
aes256Key.clearKey();
} else if (in_received == (KeyBuilder.LENGTH_AES_256 / 8)) {
aes256Key.setKey(buffer, _0);
aesKey = aes256Key;
aes128Key.clearKey();
} else {
ISOException.throwIt(SW_WRONG_LENGTH);
}
break;
// D1 - SM-Key-ENC
case (short) 0x00D1:
sm.setSessionKeyEncryption(buffer, _0);

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@ -4,6 +4,7 @@ import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.math.BigInteger;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
@ -15,6 +16,11 @@ import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import javax.smartcardio.CommandAPDU;
import javax.smartcardio.ResponseAPDU;
import org.junit.Before;
import org.junit.BeforeClass;
@ -22,8 +28,6 @@ import org.junit.Test;
import com.licel.jcardsim.smartcardio.CardSimulator;
import javax.smartcardio.*;
import javacard.framework.AID;
public class OpenPGPAppletTest {
@ -83,6 +87,9 @@ public class OpenPGPAppletTest {
static byte[] ADMIN_PIN_NEW = new byte[] { 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31 };
RSAPublicKey publicKey;
SecretKeySpec aes128KeySpec;
SecretKeySpec aes256KeySpec;
IvParameterSpec ivSpec = new IvParameterSpec(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 });
private static String CHARS = "0123456789ABCDEF";
@ -141,9 +148,14 @@ public class OpenPGPAppletTest {
simulator.installApplet(aid, OpenPGPApplet.class, bArray, (short) 0, (byte) bArray.length);
simulator.selectApplet(aid);
// Construct RSA public key
RSAPublicKeySpec publicKeySpec = new RSAPublicKeySpec(new BigInteger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new BigInteger("010001", 16));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
publicKey = (RSAPublicKey) keyFactory.generatePublic(publicKeySpec);
// Construct AES keys
aes128KeySpec = new SecretKeySpec(new byte[] {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}, "AES");
aes256KeySpec = new SecretKeySpec(new byte[] {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}, "AES");
}
@Test
@ -393,6 +405,32 @@ public class OpenPGPAppletTest {
test(command, SW_SECURITY_STATUS_NOT_SATISFIED);
}
@Test
public void test_signTwicePWStatus1() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
byte[] testData = new byte[] { (byte)0xAB };
test_importSignKey();
// Enable multiple signatures per authentication
test_adminPINValid();
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xC4, new byte[] { 0x01 });
test(command, SW_NO_ERROR);
test_userPINValid81();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x9E, 0x9A, testData);
test(command, 0x6101, hexToBytes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
command = new CommandAPDU(CLA_DEFAULT, INS_GET_RESPONSE, 0x00, 0x00, 0x01);
test(command, SW_NO_ERROR, hexToBytes("DB"));
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x9E, 0x9A, testData);
test(command, 0x6101, hexToBytes("9E62CCBC302E5FF18C897FC65CA5F5044FDFA2133B53778CA10CF75F929428FADC8135958884DCD7829E32DC3D69D902364DDB37448420DDC9F5F57955CC6CCFD869A32E280482C207877B80CE953352E4B41291E624F7583BA84DC5655D5FEC06FE85304470227337C11F21B3528C0EB626ED01F7AE2DD57BA6F7D2529401EF03047394AFE00B626D65FBB57EE59273D6A37E0CA0BF9958BE75F15989CB77BFC18D445EAD7103B857B6B446B0AA35392B1E902C5B2D31E5B7F1A419016EBAFDE3DF22E42417E870907AF4FF0D376EFF188BD919476CF7F95A013D130ED096F6E5D79F8488B2114AC5D1FA989946411CD571F4DB27247477939457FEA734FF"));
command = new CommandAPDU(CLA_DEFAULT, INS_GET_RESPONSE, 0x00, 0x00, 0x01);
test(command, SW_NO_ERROR, hexToBytes("DB"));
}
@Test
public void test_decrypt() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
byte[] testData = new byte[] { (byte)0xAB };
@ -418,7 +456,7 @@ public class OpenPGPAppletTest {
}
@Test
public void test_decryptWrongPINMode() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
public void test_decryptWrongPINMode() {
byte[] testData = new byte[] { (byte)0xAB };
test_importDecryptKey();
@ -426,5 +464,117 @@ public class OpenPGPAppletTest {
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x80, 0x86, testData);
test(command, SW_SECURITY_STATUS_NOT_SATISFIED);
}
}
@Test
public void test_encryptAES128() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] testData = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
Cipher aesCipher = Cipher.getInstance("AES/CBC/NOPADDING");
aesCipher.init(Cipher.ENCRYPT_MODE, aes128KeySpec, ivSpec);
byte[] encryptedData = aesCipher.doFinal(testData);
test_adminPINValid();
// Import AES key
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xD5, new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 });
test(command, SW_NO_ERROR);
test_userPINValid82();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x86, 0x80, testData);
test(command, SW_NO_ERROR, hexToBytes("02" + bytesToHex(encryptedData)));
}
@Test
public void test_decryptAES128() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] testData = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
Cipher aesCipher = Cipher.getInstance("AES/CBC/NOPADDING");
aesCipher.init(Cipher.ENCRYPT_MODE, aes128KeySpec, ivSpec);
byte[] encryptedData = aesCipher.doFinal(testData);
test_adminPINValid();
// Import AES key
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xD5, new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 });
test(command, SW_NO_ERROR);
test_userPINValid82();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x80, 0x86, hexToBytes("02" + bytesToHex(encryptedData)));
test(command, SW_NO_ERROR, testData);
}
@Test
public void test_encryptDecryptAES128() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] testData = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
test_adminPINValid();
// Import AES key
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xD5, new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 });
test(command, SW_NO_ERROR);
test_userPINValid82();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x86, 0x80, testData);
ResponseAPDU response = test(command, SW_NO_ERROR, null);
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x80, 0x86, response.getData());
test(command, SW_NO_ERROR, testData);
}
@Test
public void test_encryptAES256() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] testData = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
Cipher aesCipher = Cipher.getInstance("AES/CBC/NOPADDING");
aesCipher.init(Cipher.ENCRYPT_MODE, aes256KeySpec, ivSpec);
byte[] encryptedData = aesCipher.doFinal(testData);
test_adminPINValid();
// Import AES key
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xD5, new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 });
test(command, SW_NO_ERROR);
test_userPINValid82();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x86, 0x80, testData);
test(command, SW_NO_ERROR, hexToBytes("02" + bytesToHex(encryptedData)));
}
@Test
public void test_decryptAES256() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] testData = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
Cipher aesCipher = Cipher.getInstance("AES/CBC/NOPADDING");
aesCipher.init(Cipher.ENCRYPT_MODE, aes256KeySpec, ivSpec);
byte[] encryptedData = aesCipher.doFinal(testData);
test_adminPINValid();
// Import AES key
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xD5, new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 });
test(command, SW_NO_ERROR);
test_userPINValid82();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x80, 0x86, hexToBytes("02" + bytesToHex(encryptedData)));
test(command, SW_NO_ERROR, testData);
}
@Test
public void test_encryptDecryptAES256() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] testData = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
test_adminPINValid();
// Import AES key
command = new CommandAPDU(CLA_DEFAULT, INS_PUT_DATA_DA, 0x00, 0xD5, new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 });
test(command, SW_NO_ERROR);
test_userPINValid82();
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x86, 0x80, testData);
ResponseAPDU response = test(command, SW_NO_ERROR, null);
command = new CommandAPDU(CLA_DEFAULT, INS_PERFORM_SECURITY_OPERATION, 0x80, 0x86, response.getData());
test(command, SW_NO_ERROR, testData);
}
}