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PivApplet.java
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PivApplet.java
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright (c) 2017, Alex Wilson <alex@cooperi.net>
*/
package net.cooperi.pivapplet;
import javacard.framework.APDU;
import javacard.framework.Applet;
import javacard.framework.ISO7816;
import javacard.framework.ISOException;
import javacard.framework.JCSystem;
import javacard.framework.OwnerPIN;
import javacard.framework.SystemException;
import javacard.framework.Util;
import javacard.security.CryptoException;
import javacard.security.DESKey;
import javacard.security.AESKey;
import javacard.security.ECPrivateKey;
import javacard.security.ECPublicKey;
import javacard.security.KeyAgreement;
import javacard.security.KeyBuilder;
import javacard.security.KeyPair;
import javacard.security.PrivateKey;
import javacard.security.PublicKey;
import javacard.security.RSAPrivateCrtKey;
import javacard.security.RSAPublicKey;
import javacard.security.RandomData;
import javacard.security.Signature;
import javacardx.crypto.Cipher;
//#if APPLET_EXTLEN
import javacardx.apdu.ExtendedLength;
//#endif
//#if APPLET_EXTLEN
public class PivApplet extends Applet implements ExtendedLength
{
/*#else
public class PivApplet extends Applet
{
#endif*/
private static final byte[] PIV_AID = {
(byte)0xa0, (byte)0x00, (byte)0x00, (byte)0x03, (byte)0x08,
(byte)0x00, (byte)0x00, (byte)0x10, (byte)0x00, (byte)0x01,
(byte)0x00
};
private static final byte[] APP_NAME = {
'P', 'i', 'v', 'A', 'p', 'p', 'l', 'e', 't', ' ',
'v', '0', '.', '8', '.', '2', '/',
//#if PIV_SUPPORT_RSA
'R',
//#endif
//#if PIV_SUPPORT_EC
'E',
//#endif
//#if PIV_SUPPORT_ECCP384
'e',
//#endif
//#if PIV_USE_EC_PRECOMPHASH
'P',
//#endif
//#if PIV_STRICT_CONTACTLESS
'S',
//#endif
//#if YKPIV_ATTESTATION
'A',
//#endif
//#if APPLET_EXTLEN
'x',
//#endif
//#if APPLET_LOW_TRANSIENT
'L',
//#endif
//#if APPLET_USE_RESET_MEM
'r',
//#endif
//#if PIV_SUPPORT_AES
'a',
//#endif
//#if PIV_SUPPORT_3DES
'D',
//#endif
};
private static final byte[] APP_URI = {
'h', 't', 't', 'p', 's', ':', '/', '/',
'g', 'i', 't', 'h', 'u', 'b', '.', 'c', 'o', 'm', '/',
'a', 'r', 'e', 'k', 'i', 'n', 'a', 't', 'h', '/',
'P', 'i', 'v', 'A', 'p', 'p', 'l', 'e', 't'
};
private static final byte[] DEFAULT_ADMIN_KEY = {
(byte)0x01, (byte)0x02, (byte)0x03, (byte)0x04,
(byte)0x05, (byte)0x06, (byte)0x07, (byte)0x08,
(byte)0x01, (byte)0x02, (byte)0x03, (byte)0x04,
(byte)0x05, (byte)0x06, (byte)0x07, (byte)0x08,
(byte)0x01, (byte)0x02, (byte)0x03, (byte)0x04,
(byte)0x05, (byte)0x06, (byte)0x07, (byte)0x08
};
private static final byte[] DEFAULT_PIN = {
'1', '2', '3', '4', '5', '6', (byte)0xFF, (byte)0xFF
};
private static final byte[] DEFAULT_PUK = {
'1', '2', '3', '4', '5', '6', '7', '8'
};
private static final byte[] CARD_ID_FIXED = {
/* GSC-RID: GSC-IS data model */
(byte)0xa0, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x16,
/* Manufacturer: ff (unknown) */
(byte)0xff,
/* Card type: JavaCard */
(byte)0x02
};
private static final byte[] YKPIV_VERSION = {
(byte)5, (byte)3, (byte)0
};
/* Standard PIV commands we support. */
private static final byte INS_VERIFY = (byte)0x20;
private static final byte INS_CHANGE_PIN = (byte)0x24;
private static final byte INS_RESET_PIN = (byte)0x2C;
private static final byte INS_GEN_AUTH = (byte)0x87;
private static final byte INS_GET_DATA = (byte)0xCB;
private static final byte INS_PUT_DATA = (byte)0xDB;
private static final byte INS_GEN_ASYM = (byte)0x47;
private static final byte INS_GET_RESPONSE = (byte)0xC0;
/* YubicoPIV extensions we support. */
private static final byte INS_SET_MGMT = (byte)0xff;
private static final byte INS_IMPORT_ASYM = (byte)0xfe;
private static final byte INS_GET_VER = (byte)0xfd;
private static final byte INS_RESET = (byte)0xfb;
private static final byte INS_SET_PIN_RETRIES = (byte)0xfa;
private static final byte INS_ATTEST = (byte)0xf9;
private static final byte INS_GET_SERIAL = (byte)0xf8;
private static final byte INS_GET_MDATA = (byte)0xf7;
/* Our own private extensions. */
private static final byte INS_SG_DEBUG = (byte)0xe0;
/* ASSERT: tag.end() was called but tag has bytes left. */
protected static final short SW_TAG_END_ASSERT = (short)0x6F60;
protected static final short SW_DATA_END_ASSERT = (short)0x6F63;
/* ASSERT: SGList#startReserve() ran out of Buffers. */
protected static final short SW_RESERVE_FAILURE = (short)0x6F61;
/* ASSERT: SGList#skip */
protected static final short SW_SKIPPED_OVER_WPTR = (short)0x6F62;
/* ASSERT: TransientBuffer#write, SGList#writes */
protected static final short SW_WRITE_OVER_END = (short)0x6F65;
protected static final short SW_BAD_REWRITE = (short)0x6F64;
private static final boolean USE_EXT_LEN = false;
private BufferManager bufmgr = null;
private SGList incoming = null;
private SGList outgoing = null;
private APDUStream apduStream = null;
private TransientBuffer tempBuf = null;
private TransientBuffer outBuf = null;
private short outgoingLe = 0;
private byte[] challenge = null;
private boolean[] chalValid = null;
private byte[] iv = null;
private byte[] certSerial = null;
private byte[] guid = null;
private byte[] cardId = null;
private byte[] serial = null;
private byte[] fascn = null;
private byte[] expiry = null;
private TlvReader tlv = null;
private TlvWriter wtlv = null;
private OwnerPIN pivPin = null;
private OwnerPIN pukPin = null;
private boolean pivPinIsDefault = true;
private boolean pukPinIsDefault = true;
private byte pinRetries;
private byte pukRetries;
private RandomData randData = null;
private Cipher tripleDes = null;
private Cipher aes = null;
private Cipher rsaPkcs1 = null;
private Signature ecdsaSha = null;
private Signature ecdsaSha256 = null;
private Signature ecdsaSha384 = null;
private Signature rsaSha = null;
private Signature rsaSha256 = null;
private KeyAgreement ecdh = null;
private KeyAgreement ecdhSha = null;
private static final byte MAX_SLOTS = (byte)17;
private static final byte SLOT_9A = (byte)0;
private static final byte SLOT_9B = (byte)1;
private static final byte SLOT_9C = (byte)2;
private static final byte SLOT_9D = (byte)3;
private static final byte SLOT_9E = (byte)4;
private static final byte SLOT_82 = (byte)5;
private static final byte SLOT_8C = (byte)15;
private static final byte SLOT_F9 = (byte)16;
private PivSlot[] slots = null;
private byte retiredKeys = 0;
private static final byte SLOT_MIN_HIST = SLOT_82;
private static final byte MIN_HIST_SLOT = (byte)0x82;
private static final byte MAX_HIST_SLOT = (byte)0x8C;
private static final byte PIV_ALG_DEFAULT = (byte)0x00;
private static final byte PIV_ALG_3DES = (byte)0x03;
private static final byte PIV_ALG_RSA1024 = (byte)0x06;
private static final byte PIV_ALG_RSA2048 = (byte)0x07;
private static final byte PIV_ALG_AES128 = (byte)0x08;
private static final byte PIV_ALG_AES192 = (byte)0x0A;
private static final byte PIV_ALG_AES256 = (byte)0x0C;
private static final byte PIV_ALG_ECCP256 = (byte)0x11;
private static final byte PIV_ALG_ECCP384 = (byte)0x14;
private static final byte PIV_ALG_ECCP256_SHA1 = (byte)0xf0;
private static final byte PIV_ALG_ECCP256_SHA256 = (byte)0xf1;
private static final byte PIV_ALG_ECCP384_SHA1 = (byte)0xf2;
private static final byte PIV_ALG_ECCP384_SHA256 = (byte)0xf3;
private static final byte PIV_ALG_ECCP384_SHA384 = (byte)0xf4;
private static final byte GA_TAG_WITNESS = (byte)0x80;
private static final byte GA_TAG_CHALLENGE = (byte)0x81;
private static final byte GA_TAG_RESPONSE = (byte)0x82;
private static final byte GA_TAG_EXP = (byte)0x85;
private static final byte TAG_CERT_9E = (byte)0x01;
private static final byte TAG_CHUID = (byte)0x02;
private static final byte TAG_FINGERPRINTS = (byte)0x03;
private static final byte TAG_CERT_9A = (byte)0x05;
private static final byte TAG_SECOBJ = (byte)0x06;
private static final byte TAG_CARDCAP = (byte)0x07;
private static final byte TAG_FACE = (byte)0x08;
private static final byte TAG_PRINTED_INFO = (byte)0x09;
private static final byte TAG_CERT_9C = (byte)0x0A;
private static final byte TAG_CERT_9D = (byte)0x0B;
private static final byte TAG_KEYHIST = (byte)0x0C;
private static final byte TAG_CERT_82 = (byte)0x0D;
private static final byte TAG_CERT_8C = (byte)0x17;
private static final byte TAG_MAX = TAG_CERT_8C;
private File[] files = null;
private static final byte TAG_YK_PIVMAN = (byte)0x00;
private static final byte TAG_YK_ATTEST = (byte)0x01;
private static final byte YK_TAG_MAX = TAG_YK_ATTEST;
private File[] ykFiles = null;
private static final byte ALG_EC_SVDP_DH_PLAIN = (byte)3;
private static final byte ALG_EC_SVDP_DHC_PLAIN = (byte)4;
private static final byte ALG_EC_SVDP_DH_PLAIN_XY = (byte)6;
private static final byte ALG_RSA_SHA_256_PKCS1 = (byte)40;
public static void
install(byte[] info, short off, byte len)
{
final PivApplet applet = new PivApplet();
applet.register();
}
/*#if APPLET_USE_RESET_MEM
private static final boolean useResetMem = true;
#else*/
private static final boolean useResetMem = false;
//#endif
protected
PivApplet()
{
randData = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
//#if PIV_SUPPORT_3DES
tripleDes = Cipher.getInstance(Cipher.ALG_DES_CBC_NOPAD, false);
//#endif
//#if PIV_SUPPORT_AES
aes = Cipher.getInstance(Cipher.ALG_AES_BLOCK_128_CBC_NOPAD,
false);
//#endif
//#if PIV_SUPPORT_RSA
rsaPkcs1 = Cipher.getInstance(Cipher.ALG_RSA_NOPAD, useResetMem);
//#if YKPIV_ATTESTATION
try {
rsaSha = Signature.getInstance(
Signature.ALG_RSA_SHA_PKCS1, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() != CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
try {
rsaSha256 = Signature.getInstance(
ALG_RSA_SHA_256_PKCS1, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() != CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
//#endif
//#endif
//#if PIV_SUPPORT_EC
try {
ecdh = KeyAgreement.getInstance(ALG_EC_SVDP_DH_PLAIN,
useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() != CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
if (ecdh == null) {
try {
ecdh = KeyAgreement.getInstance(
ALG_EC_SVDP_DHC_PLAIN, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() !=
CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
}
if (ecdh == null) {
try {
ecdh = KeyAgreement.getInstance(
ALG_EC_SVDP_DH_PLAIN_XY, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() !=
CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
}
if (ecdh == null) {
try {
ecdhSha = KeyAgreement.getInstance(
KeyAgreement.ALG_EC_SVDP_DH, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() !=
CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
}
try {
ecdsaSha = Signature.getInstance(
Signature.ALG_ECDSA_SHA, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() != CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
try {
ecdsaSha256 = Signature.getInstance(
ECParams.ALG_ECDSA_SHA_256, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() != CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
//#if PIV_SUPPORT_ECCP384
try {
ecdsaSha384 = Signature.getInstance(
ECParams.ALG_ECDSA_SHA_384, useResetMem);
} catch (CryptoException ex) {
if (ex.getReason() != CryptoException.NO_SUCH_ALGORITHM)
throw (ex);
}
//#endif
//#endif
challenge = JCSystem.makeTransientByteArray((short)16,
JCSystem.CLEAR_ON_DESELECT);
chalValid = JCSystem.makeTransientBooleanArray((short)1,
JCSystem.CLEAR_ON_DESELECT);
iv = JCSystem.makeTransientByteArray((short)16,
JCSystem.CLEAR_ON_DESELECT);
guid = new byte[16];
randData.generateData(guid, (short)0, (short)16);
cardId = new byte[21];
Util.arrayCopy(CARD_ID_FIXED, (short)0, cardId, (short)0,
(short)CARD_ID_FIXED.length);
randData.generateData(cardId, (short)CARD_ID_FIXED.length,
(short)(21 - (short)CARD_ID_FIXED.length));
serial = new byte[4];
randData.generateData(serial, (short)0, (short)4);
serial[0] |= (byte)0x80;
certSerial = new byte[16];
fascn = new byte[25];
expiry = new byte[] { '2', '0', '5', '0', '0', '1', '0', '1' };
slots = new PivSlot[MAX_SLOTS];
for (byte i = SLOT_9A; i <= SLOT_9E; ++i)
slots[i] = new PivSlot((byte)((byte)0x9A + i));
for (byte i = SLOT_82; i <= SLOT_8C; ++i)
slots[i] = new PivSlot((byte)((byte)0x82 + i));
//#if YKPIV_ATTESTATION
slots[SLOT_F9] = new PivSlot((byte)0xF9);
//#endif
files = new File[TAG_MAX + 1];
ykFiles = new File[YK_TAG_MAX + 1];
bufmgr = new BufferManager();
incoming = new SGList(bufmgr);
outgoing = new SGList(bufmgr);
apduStream = new APDUStream();
tempBuf = new TransientBuffer();
outBuf = new TransientBuffer();
tlv = new TlvReader();
wtlv = new TlvWriter(bufmgr);
/* Initialize the admin key */
//#if PIV_SUPPORT_3DES
final DESKey dk = (DESKey)KeyBuilder.buildKey(
KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES3_3KEY, false);
slots[SLOT_9B].sym = dk;
dk.setKey(DEFAULT_ADMIN_KEY, (short)0);
slots[SLOT_9B].symAlg = PIV_ALG_3DES;
/*#else
final AESKey ak = (AESKey)KeyBuilder.buildKey(
KeyBuilder.TYPE_AES, KeyBuilder.LENGTH_AES_128, false);
slots[SLOT_9B].sym = ak;
ak.setKey(DEFAULT_ADMIN_KEY, (short)0);
slots[SLOT_9B].symAlg = PIV_ALG_AES128;
#endif*/
/*
* Allow the admin key to be "used" (for auth) without a
* PIN VERIFY command first.
*/
slots[SLOT_9B].pinPolicy = PivSlot.P_NEVER;
pinRetries = (byte)5;
pivPin = new OwnerPIN(pinRetries, (byte)8);
pivPin.update(DEFAULT_PIN, (short)0, (byte)8);
pukRetries = (byte)3;
pukPin = new OwnerPIN(pukRetries, (byte)8);
pukPin.update(DEFAULT_PUK, (short)0, (byte)8);
files[TAG_CERT_9A] = new File();
slots[SLOT_9A].cert = files[TAG_CERT_9A];
files[TAG_CERT_9C] = new File();
slots[SLOT_9C].cert = files[TAG_CERT_9C];
slots[SLOT_9C].pinPolicy = PivSlot.P_ALWAYS;
files[TAG_CERT_9D] = new File();
slots[SLOT_9D].cert = files[TAG_CERT_9D];
files[TAG_CERT_9E] = new File();
slots[SLOT_9E].cert = files[TAG_CERT_9E];
slots[SLOT_9E].pinPolicy = PivSlot.P_NEVER;
files[TAG_FINGERPRINTS] = new File();
files[TAG_FINGERPRINTS].contact = File.P_PIN;
files[TAG_FACE] = new File();
files[TAG_FACE].contact = File.P_PIN;
files[TAG_PRINTED_INFO] = new File();
files[TAG_PRINTED_INFO].contact = File.P_PIN;
//#if YKPIV_ATTESTATION
ykFiles[TAG_YK_ATTEST] = new File();
slots[SLOT_F9].cert = ykFiles[TAG_YK_ATTEST];
//#endif
//#if PIV_STRICT_CONTACTLESS
files[TAG_CERT_9A].contactless = File.P_NEVER;
files[TAG_CERT_9C].contactless = File.P_NEVER;
files[TAG_CERT_9D].contactless = File.P_NEVER;
files[TAG_FINGERPRINTS].contactless = File.P_NEVER;
files[TAG_PRINTED_INFO].contactless = File.P_PIN;
files[TAG_FACE].contactless = File.P_PIN;
//#endif
initCARDCAP();
initCHUID();
initKEYHIST();
//#if YKPIV_ATTESTATION
initAttestation();
//#endif
}
public void
process(APDU apdu)
{
final byte[] buffer = apdu.getBuffer();
final byte ins = buffer[ISO7816.OFFSET_INS];
final byte chainBit =
(byte)(buffer[ISO7816.OFFSET_CLA] & (byte)0x10);
//#if APPLET_EXTLEN
if (!apdu.isISOInterindustryCLA()) {
ISOException.throwIt(ISO7816.SW_CLA_NOT_SUPPORTED);
return;
}
/*#else
final byte isoInterBit =
(byte)(buffer[ISO7816.OFFSET_CLA] & (byte)0x80);
if (isoInterBit != 0) {
ISOException.throwIt(ISO7816.SW_CLA_NOT_SUPPORTED);
return;
}
#endif*/
if (selectingApplet()) {
sendSelectResponse(apdu);
return;
}
/*
* Slots that are marked as "PIN always" only work when the
* APDU directly before them was VERIFY.
*
* If we process any other type of APDU, we set the flag
* AFTER_VERIFY and then before the next APDU we lock them
* here. The VERIFY command unsets the flag.
*/
if (chainBit == 0)
lockPINAlwaysSlots();
switch (ins) {
case INS_GET_DATA:
processGetData(apdu);
break;
case INS_GEN_AUTH:
processGeneralAuth(apdu);
break;
case INS_PUT_DATA:
processPutData(apdu);
break;
case INS_CHANGE_PIN:
processChangePin(apdu);
break;
case INS_VERIFY:
processVerify(apdu);
break;
case INS_GEN_ASYM:
processGenAsym(apdu);
break;
case INS_RESET_PIN:
processResetPin(apdu);
break;
case INS_SET_PIN_RETRIES:
processSetPinRetries(apdu);
break;
case INS_RESET:
processReset(apdu);
break;
case INS_GET_VER:
processGetVersion(apdu);
break;
case INS_IMPORT_ASYM:
processImportAsym(apdu);
break;
case INS_SET_MGMT:
processSetMgmtKey(apdu);
break;
case INS_SG_DEBUG:
processSGDebug(apdu);
break;
case INS_GET_RESPONSE:
continueResponse(apdu);
break;
//#if YKPIV_ATTESTATION
case INS_ATTEST:
processAttest(apdu);
break;
//#endif
case INS_GET_SERIAL:
processGetSerial(apdu);
break;
case INS_GET_MDATA:
processGetMetadata(apdu);
break;
default:
ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
}
}
private boolean
isContact()
{
final byte media = (byte)(
APDU.getProtocol() & APDU.PROTOCOL_MEDIA_MASK);
if (media == APDU.PROTOCOL_MEDIA_DEFAULT)
return (true);
if (media == APDU.PROTOCOL_MEDIA_USB)
return (true);
return (false);
}
/*#if !APPLET_EXTLEN
private short
getIncomingLengthCompat(final APDU apdu)
{
final byte[] buf = apdu.getBuffer();
return ((short)((short)buf[ISO7816.OFFSET_LC] & 0x00FF));
}
#endif*/
private void
lockPINAlwaysSlots()
{
for (short idx = (short)0; idx < MAX_SLOTS; ++idx) {
final PivSlot slot = slots[idx];
if (slot == null)
continue;
if (slot.pinPolicy != PivSlot.P_ALWAYS)
continue;
if (slot.flags[PivSlot.F_UNLOCKED] &&
slot.flags[PivSlot.F_AFTER_VERIFY]) {
slot.flags[PivSlot.F_UNLOCKED] = false;
} else if (slot.flags[PivSlot.F_UNLOCKED]) {
slot.flags[PivSlot.F_AFTER_VERIFY] = true;
}
}
}
private void
processGetVersion(APDU apdu)
{
short len = 0;
final short le;
final byte[] buffer = apdu.getBuffer();
le = apdu.setOutgoing();
buffer[len++] = YKPIV_VERSION[0];
buffer[len++] = YKPIV_VERSION[1];
buffer[len++] = YKPIV_VERSION[2];
len = le > 0 ? (le > len ? len : le) : len;
apdu.setOutgoingLength(len);
apdu.sendBytes((short)0, len);
}
private void
processGetSerial(APDU apdu)
{
short len = 0;
final short le;
final byte[] buffer = apdu.getBuffer();
le = apdu.setOutgoing();
buffer[len++] = serial[0];
buffer[len++] = serial[1];
buffer[len++] = serial[2];
buffer[len++] = serial[3];
len = le > 0 ? (le > len ? len : le) : len;
apdu.setOutgoingLength(len);
apdu.sendBytes((short)0, len);
}
private void
processGetMetadata(APDU apdu)
{
final byte[] buffer = apdu.getBuffer();
final byte key = buffer[ISO7816.OFFSET_P2];
final PivSlot slot;
if (key == (byte)0x80 || key == (byte)0x81) {
outgoing.reset();
wtlv.start(outgoing);
outgoingLe = apdu.setOutgoing();
wtlv.useApdu((short)0, outgoingLe);
wtlv.writeTagRealLen((byte)0x05, (short)1);
if (key == (byte)0x80 && pivPinIsDefault)
wtlv.writeByte((byte)1);
else if (key == (byte)0x81 && pukPinIsDefault)
wtlv.writeByte((byte)1);
else
wtlv.writeByte((byte)0);
wtlv.writeTagRealLen((byte)0x06, (short)1);
if (key == (byte)0x80)
wtlv.writeByte(pinRetries);
else if (key == (byte)0x81)
wtlv.writeByte(pukRetries);
wtlv.end();
sendOutgoing(apdu);
return;
}
if (key >= (byte)0x9A && key <= (byte)0x9E) {
final byte idx = (byte)(key - (byte)0x9A);
slot = slots[idx];
} else if (key >= MIN_HIST_SLOT && key <= MAX_HIST_SLOT) {
final byte idx = (byte)(SLOT_MIN_HIST +
(byte)(key - MIN_HIST_SLOT));
slot = slots[idx];
} else {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
return;
}
if (slot == null) {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
return;
}
if (buffer[ISO7816.OFFSET_P1] != (byte)0x00) {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
return;
}
outgoing.reset();
wtlv.start(outgoing);
outgoingLe = apdu.setOutgoing();
wtlv.useApdu((short)0, outgoingLe);
if (slot.asym != null) {
wtlv.writeTagRealLen((byte)0x01, (short)1);
wtlv.writeByte(slot.asymAlg);
} else if (slot.sym != null) {
wtlv.writeTagRealLen((byte)0x01, (short)1);
wtlv.writeByte(slot.symAlg);
}
wtlv.writeTagRealLen((byte)0x02, (short)2);
wtlv.writeByte(slot.pinPolicy);
wtlv.writeByte((byte)0);
wtlv.writeTagRealLen((byte)0x03, (short)1);
if (slot.imported)
wtlv.writeByte((byte)1);
else
wtlv.writeByte((byte)0);
if (slot.asym != null) {
short len;
switch (slot.asymAlg) {
//#if PIV_SUPPORT_RSA
case PIV_ALG_RSA1024:
case PIV_ALG_RSA2048:
RSAPublicKey rpubk =
(RSAPublicKey)slot.asym.getPublic();
final short rsalen = (short)(rpubk.getSize() / 8);
wtlv.push((byte)0x04, (short)(rsalen + 12));
wtlv.push((byte)0x81, (short)(rsalen + 1));
wtlv.startReserve((short)(rsalen + 1), tempBuf);
len = rpubk.getModulus(tempBuf.data(), tempBuf.wpos());
wtlv.endReserve(len);
wtlv.pop();
wtlv.push((byte)0x82);
wtlv.startReserve((short)9, tempBuf);
len = rpubk.getExponent(tempBuf.data(), tempBuf.wpos());
wtlv.endReserve(len);
wtlv.pop();
break;
//#endif
//#if PIV_SUPPORT_EC
case PIV_ALG_ECCP256:
case PIV_ALG_ECCP384:
ECPublicKey epubk =
(ECPublicKey)slot.asym.getPublic();
final short eclen = (short)(epubk.getSize() / 4);
wtlv.push((byte)0x04, (short)(eclen + 4));
wtlv.push((byte)0x86, (short)(eclen + 1));
wtlv.startReserve((short)(eclen + 1), tempBuf);
len = epubk.getW(tempBuf.data(), tempBuf.wpos());
wtlv.endReserve(len);
wtlv.pop();
break;
//#endif
default:
return;
}
wtlv.pop();
}
wtlv.end();
sendOutgoing(apdu);
return;
}
//#if YKPIV_ATTESTATION
private void
processAttest(APDU apdu)
{
final byte[] buffer = apdu.getBuffer();
final byte key = buffer[ISO7816.OFFSET_P1];
final PivSlot slot;
if (key >= (byte)0x9A && key <= (byte)0x9E) {
final byte idx = (byte)(key - (byte)0x9A);
slot = slots[idx];
} else if (key >= MIN_HIST_SLOT && key <= MAX_HIST_SLOT) {
final byte idx = (byte)(SLOT_MIN_HIST +
(byte)(key - MIN_HIST_SLOT));
slot = slots[idx];
} else {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
return;
}
if (slot == null) {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
return;
}
if (buffer[ISO7816.OFFSET_P2] != (byte)0x00) {
ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
return;
}
writeAttestationCert(slot);
sendOutgoing(apdu);
}
//#endif
private void
processSGDebug(APDU apdu)
{
short len = (short)0;
final short le;
final byte[] buffer = apdu.getBuffer();
le = apdu.setOutgoing();
len = incoming.writeDebugInfo(buffer, len);
len = le > 0 ? (le > len ? len : le) : len;
apdu.setOutgoingLength(len);
apdu.sendBytes((short)0, len);
}
private void
sendSelectResponse(APDU apdu)
{
outgoing.reset();
wtlv.start(outgoing);
outgoingLe = apdu.setOutgoing();
wtlv.useApdu((short)0, outgoingLe);
wtlv.push((byte)0x61);
wtlv.writeTagRealLen((byte)0x4F, (short)PIV_AID.length);
wtlv.write(PIV_AID, (short)0, (short)PIV_AID.length);
wtlv.push((byte)0x79);
wtlv.writeTagRealLen((byte)0x4F, (short)PIV_AID.length);
wtlv.write(PIV_AID, (short)0, (short)PIV_AID.length);
wtlv.pop();
wtlv.writeTagRealLen((byte)0x50, (short)APP_NAME.length);
wtlv.write(APP_NAME, (short)0, (short)APP_NAME.length);
wtlv.writeTagRealLen((short)0x5F50, (short)APP_URI.length);
wtlv.write(APP_URI, (short)0, (short)APP_URI.length);
wtlv.push((byte)0xAC);
//#if PIV_SUPPORT_3DES
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_3DES);
//#endif
//#if PIV_SUPPORT_AES
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_AES128);
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_AES192);
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_AES256);
//#endif
//#if PIV_SUPPORT_RSA
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_RSA1024);
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_RSA2048);
//#endif
//#if PIV_SUPPORT_EC
if (ecdsaSha != null || ecdsaSha256 != null) {
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP256);
}
if (ecdsaSha384 != null) {
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP384);
}
/*#if !PIV_USE_EC_PRECOMPHASH
if (ecdsaSha != null) {
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP256_SHA1);
}
if (ecdsaSha256 != null) {
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP256_SHA256);
}
if (ecdsaSha384 != null) {
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP384_SHA1);
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP384_SHA256);
wtlv.writeTagRealLen((byte)0x80, (short)1);
wtlv.writeByte(PIV_ALG_ECCP384_SHA384);
}
#endif*/
//#endif
/*
* SP 800-83-4 part 2, 3.1 says: "Its value is set to 0x00"
* regarding this 0x06 tag. Previous PivApplet releases
* interpreted this as an empty 0x06 tag with no contents
* (length = 0), but it seems more logical that it should
* contain a single zero byte.
*/
wtlv.writeTagRealLen((byte)0x06, (short)1);
wtlv.writeByte((byte)0x00);
wtlv.pop();
wtlv.pop();
wtlv.end();
sendOutgoing(apdu);
}
private void
sendOutgoing(APDU apdu)
{
final short len = outgoing.available();
if (len < 1) {
ISOException.throwIt(
ISO7816.SW_CONDITIONS_NOT_SATISFIED);
return;
}
final short le;
if (apdu.getCurrentState() == APDU.STATE_OUTGOING)
le = outgoingLe;
else
le = apdu.setOutgoing();
short toSend = len;
if (le > 0 && toSend > le)
toSend = le;
if (toSend > (short)0xFF)
toSend = (short)0xFF;
final short rem = (short)(len - toSend);
final byte wantNext =
rem > (short)0xFF ? (byte)0xFF : (byte)rem;
apdu.setOutgoingLength(toSend);
outgoing.readToApdu((short)0, toSend);
apdu.sendBytes((short)0, toSend);
if (rem > 0) {
ISOException.throwIt(
(short)(ISO7816.SW_BYTES_REMAINING_00 |
((short)wantNext & (short)0x00ff)));
} else {
outgoing.reset();
ISOException.throwIt(ISO7816.SW_NO_ERROR);
}
}
private void
continueResponse(APDU apdu)
{
sendOutgoing(apdu);
}
private Readable
receiveChain(APDU apdu)
{
final byte[] buf = apdu.getBuffer();
final byte chainBit =
(byte)(buf[ISO7816.OFFSET_CLA] & (byte)0x10);
short recvLen = apdu.setIncomingAndReceive();
//#if APPLET_EXTLEN
final short cdata = apdu.getOffsetCdata();
/*#else
final short cdata = ISO7816.OFFSET_CDATA;
#endif*/
if (chainBit == 0 && incoming.atEnd()) {
//#if APPLET_EXTLEN