Java Code Examples for org.whispersystems.libsignal.ecc.ECKeyPair#getPublicKey()
The following examples show how to use
org.whispersystems.libsignal.ecc.ECKeyPair#getPublicKey() .
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Example 1
| Source File: AsymmetricMasterCipher.java From mollyim-android with GNU General Public License v3.0 | 6 votes |
|
public byte[] encryptBytes(byte[] body) {
try {
ECPublicKey theirPublic = asymmetricMasterSecret.getDjbPublicKey();
ECKeyPair ourKeyPair = Curve.generateKeyPair();
byte[] secret = Curve.calculateAgreement(theirPublic, ourKeyPair.getPrivateKey());
MasterCipher masterCipher = getMasterCipherForSecret(secret);
byte[] encryptedBodyBytes = masterCipher.encrypt(body);
PublicKey ourPublicKey = new PublicKey(31337, ourKeyPair.getPublicKey());
byte[] publicKeyBytes = ourPublicKey.serialize();
return Util.combine(publicKeyBytes, encryptedBodyBytes);
} catch (InvalidKeyException e) {
throw new AssertionError(e);
}
}
Example 2
| Source File: SimultaneousInitiateTests.java From libsignal-protocol-java with GNU General Public License v3.0 | 6 votes |
|
private PreKeyBundle createAlicePreKeyBundle(SignalProtocolStore aliceStore) throws InvalidKeyException {
ECKeyPair aliceUnsignedPreKey = Curve.generateKeyPair();
int aliceUnsignedPreKeyId = new Random().nextInt(Medium.MAX_VALUE);
byte[] aliceSignature = Curve.calculateSignature(aliceStore.getIdentityKeyPair().getPrivateKey(),
aliceSignedPreKey.getPublicKey().serialize());
PreKeyBundle alicePreKeyBundle = new PreKeyBundle(1, 1,
aliceUnsignedPreKeyId, aliceUnsignedPreKey.getPublicKey(),
aliceSignedPreKeyId, aliceSignedPreKey.getPublicKey(),
aliceSignature, aliceStore.getIdentityKeyPair().getPublicKey());
aliceStore.storeSignedPreKey(aliceSignedPreKeyId, new SignedPreKeyRecord(aliceSignedPreKeyId, System.currentTimeMillis(), aliceSignedPreKey, aliceSignature));
aliceStore.storePreKey(aliceUnsignedPreKeyId, new PreKeyRecord(aliceUnsignedPreKeyId, aliceUnsignedPreKey));
return alicePreKeyBundle;
}
Example 3
| Source File: NumericFingerprintGeneratorTest.java From libsignal-protocol-java with GNU General Public License v3.0 | 6 votes |
|
public void testMismatchingIdentifiers() throws FingerprintVersionMismatchException, FingerprintParsingException {
ECKeyPair aliceKeyPair = Curve.generateKeyPair();
ECKeyPair bobKeyPair = Curve.generateKeyPair();
IdentityKey aliceIdentityKey = new IdentityKey(aliceKeyPair.getPublicKey());
IdentityKey bobIdentityKey = new IdentityKey(bobKeyPair.getPublicKey());
NumericFingerprintGenerator generator = new NumericFingerprintGenerator(1024);
Fingerprint aliceFingerprint = generator.createFor(VERSION_1,
"+141512222222".getBytes(), aliceIdentityKey,
"+14153333333".getBytes(), bobIdentityKey);
Fingerprint bobFingerprint = generator.createFor(VERSION_1,
"+14153333333".getBytes(), bobIdentityKey,
"+14152222222".getBytes(), aliceIdentityKey);
assertFalse(aliceFingerprint.getDisplayableFingerprint().getDisplayText().equals(
bobFingerprint.getDisplayableFingerprint().getDisplayText()));
assertFalse(aliceFingerprint.getScannableFingerprint().compareTo(bobFingerprint.getScannableFingerprint().getSerialized()));
assertFalse(bobFingerprint.getScannableFingerprint().compareTo(aliceFingerprint.getScannableFingerprint().getSerialized()));
}
Example 4
| Source File: AsymmetricMasterCipher.java From bcm-android with GNU General Public License v3.0 | 6 votes |
|
public byte[] encryptBytes(byte[] body) {
try {
ECPublicKey theirPublic = asymmetricMasterSecret.getDjbPublicKey();
ECKeyPair ourKeyPair = Curve.generateKeyPair();
byte[] secret = Curve.calculateAgreement(theirPublic, ourKeyPair.getPrivateKey());
MasterCipher masterCipher = getMasterCipherForSecret(secret);
byte[] encryptedBodyBytes = masterCipher.encryptBytes(body);
PublicKey ourPublicKey = new PublicKey(31337, ourKeyPair.getPublicKey());
byte[] publicKeyBytes = ourPublicKey.serialize();
return Util.combine(publicKeyBytes, encryptedBodyBytes);
} catch (InvalidKeyException e) {
throw new AssertionError(e);
}
}
Example 5
| Source File: SimultaneousInitiateTests.java From libsignal-protocol-java with GNU General Public License v3.0 | 6 votes |
|
private PreKeyBundle createBobPreKeyBundle(SignalProtocolStore bobStore) throws InvalidKeyException {
ECKeyPair bobUnsignedPreKey = Curve.generateKeyPair();
int bobUnsignedPreKeyId = new Random().nextInt(Medium.MAX_VALUE);
byte[] bobSignature = Curve.calculateSignature(bobStore.getIdentityKeyPair().getPrivateKey(),
bobSignedPreKey.getPublicKey().serialize());
PreKeyBundle bobPreKeyBundle = new PreKeyBundle(1, 1,
bobUnsignedPreKeyId, bobUnsignedPreKey.getPublicKey(),
bobSignedPreKeyId, bobSignedPreKey.getPublicKey(),
bobSignature, bobStore.getIdentityKeyPair().getPublicKey());
bobStore.storeSignedPreKey(bobSignedPreKeyId, new SignedPreKeyRecord(bobSignedPreKeyId, System.currentTimeMillis(), bobSignedPreKey, bobSignature));
bobStore.storePreKey(bobUnsignedPreKeyId, new PreKeyRecord(bobUnsignedPreKeyId, bobUnsignedPreKey));
return bobPreKeyBundle;
}
Example 6
| Source File: SessionBuilder.java From Silence with GNU General Public License v3.0 | 6 votes |
|
/**
* Initiate a new session by sending an initial KeyExchangeMessage to the recipient.
*
* @return the KeyExchangeMessage to deliver.
*/
public KeyExchangeMessage process() {
synchronized (SessionCipher.SESSION_LOCK) {
try {
int sequence = KeyHelper.getRandomSequence(65534) + 1;
int flags = KeyExchangeMessage.INITIATE_FLAG;
ECKeyPair baseKey = Curve.generateKeyPair();
ECKeyPair ratchetKey = Curve.generateKeyPair();
IdentityKeyPair identityKey = identityKeyStore.getIdentityKeyPair();
byte[] baseKeySignature = Curve.calculateSignature(identityKey.getPrivateKey(), baseKey.getPublicKey().serialize());
SessionRecord sessionRecord = sessionStore.loadSession(remoteAddress);
sessionRecord.getSessionState().setPendingKeyExchange(sequence, baseKey, ratchetKey, identityKey);
sessionStore.storeSession(remoteAddress, sessionRecord);
return new KeyExchangeMessage(CiphertextMessage.CURRENT_VERSION,
sequence, flags, baseKey.getPublicKey(), baseKeySignature,
ratchetKey.getPublicKey(), identityKey.getPublicKey());
} catch (InvalidKeyException e) {
throw new AssertionError(e);
}
}
}
Example 7
| Source File: MasterSecretUtil.java From Silence with GNU General Public License v3.0 | 5 votes |
|
public static AsymmetricMasterSecret generateAsymmetricMasterSecret(Context context,
MasterSecret masterSecret)
{
MasterCipher masterCipher = new MasterCipher(masterSecret);
ECKeyPair keyPair = Curve.generateKeyPair();
save(context, ASYMMETRIC_LOCAL_PUBLIC_DJB, keyPair.getPublicKey().serialize());
save(context, ASYMMETRIC_LOCAL_PRIVATE_DJB, masterCipher.encryptKey(keyPair.getPrivateKey()));
return new AsymmetricMasterSecret(keyPair.getPublicKey(), keyPair.getPrivateKey());
}
Example 8
| Source File: SessionBuilderTest.java From libsignal-protocol-java with GNU General Public License v3.0 | 5 votes |
|
public void testRepeatBundleMessageV2() throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException, InvalidMessageException, InvalidKeyIdException, DuplicateMessageException, LegacyMessageException, NoSessionException {
SignalProtocolStore aliceStore = new TestInMemorySignalProtocolStore();
SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_ADDRESS);
SignalProtocolStore bobStore = new TestInMemorySignalProtocolStore();
ECKeyPair bobPreKeyPair = Curve.generateKeyPair();
ECKeyPair bobSignedPreKeyPair = Curve.generateKeyPair();
byte[] bobSignedPreKeySignature = Curve.calculateSignature(bobStore.getIdentityKeyPair().getPrivateKey(),
bobSignedPreKeyPair.getPublicKey().serialize());
PreKeyBundle bobPreKey = new PreKeyBundle(bobStore.getLocalRegistrationId(), 1,
31337, bobPreKeyPair.getPublicKey(),
0, null, null,
bobStore.getIdentityKeyPair().getPublicKey());
bobStore.storePreKey(31337, new PreKeyRecord(bobPreKey.getPreKeyId(), bobPreKeyPair));
bobStore.storeSignedPreKey(22, new SignedPreKeyRecord(22, System.currentTimeMillis(), bobSignedPreKeyPair, bobSignedPreKeySignature));
try {
aliceSessionBuilder.process(bobPreKey);
throw new AssertionError("Should fail with missing signed prekey!");
} catch (InvalidKeyException e) {
// Good!
return;
}
}
Example 9
| Source File: IdentityKeyUtil.java From mollyim-android with GNU General Public License v3.0 | 5 votes |
|
public static void generateIdentityKeys(Context context) {
ECKeyPair djbKeyPair = Curve.generateKeyPair();
IdentityKey djbIdentityKey = new IdentityKey(djbKeyPair.getPublicKey());
ECPrivateKey djbPrivateKey = djbKeyPair.getPrivateKey();
save(context, IDENTITY_PUBLIC_KEY_PREF, Base64.encodeBytes(djbIdentityKey.serialize()));
save(context, IDENTITY_PRIVATE_KEY_PREF, Base64.encodeBytes(djbPrivateKey.serialize()));
}
Example 10
| Source File: IdentityKeyUtil.java From Silence with GNU General Public License v3.0 | 5 votes |
|
public static void generateIdentityKeys(Context context, MasterSecret masterSecret, int subscriptionId, boolean displayNotification) {
Log.w(TAG, "Generating identity keys for subscription ID " + subscriptionId);
ECKeyPair djbKeyPair = Curve.generateKeyPair();
MasterCipher masterCipher = new MasterCipher(masterSecret);
IdentityKey djbIdentityKey = new IdentityKey(djbKeyPair.getPublicKey());
byte[] djbPrivateKey = masterCipher.encryptKey(djbKeyPair.getPrivateKey());
save(context, getIdentityPublicKeyDjbPref(subscriptionId), Base64.encodeBytes(djbIdentityKey.serialize()));
save(context, getIdentityPrivateKeyDjbPref(subscriptionId), Base64.encodeBytes(djbPrivateKey));
if (displayNotification) DualSimUtil.displayNotification(context);
}
Example 11
| Source File: IdentityKeyUtil.java From bcm-android with GNU General Public License v3.0 | 5 votes |
|
public static ECKeyPair generateIdentityKeys(AccountContext accountContext) {
ECKeyPair djbKeyPair = BCMPrivateKeyUtils.INSTANCE.generateKeyPair();
IdentityKey djbIdentityKey = new IdentityKey(djbKeyPair.getPublicKey());
ECPrivateKey djbPrivateKey = djbKeyPair.getPrivateKey();
save(accountContext, IDENTITY_PUBLIC_KEY_PREF, Base64.encodeBytes(djbIdentityKey.serialize()));
save(accountContext, IDENTITY_PRIVATE_KEY_PREF, Base64.encodeBytes(djbPrivateKey.serialize()));
return djbKeyPair;
}
Example 12
| Source File: MasterSecretUtil.java From mollyim-android with GNU General Public License v3.0 | 5 votes |
|
public static AsymmetricMasterSecret generateAsymmetricMasterSecret(Context context,
MasterSecret masterSecret)
{
MasterCipher masterCipher = new MasterCipher(masterSecret);
ECKeyPair keyPair = Curve.generateKeyPair();
if (!context.getSharedPreferences(PREFERENCES_NAME, 0).edit()
.putString(ASYMMETRIC_LOCAL_PUBLIC_DJB, Base64.encodeBytes(masterCipher.encryptPublicKey(keyPair.getPublicKey())))
.putString(ASYMMETRIC_LOCAL_PRIVATE_DJB, Base64.encodeBytes(masterCipher.encryptPrivateKey(keyPair.getPrivateKey())))
.commit()) {
throw new AssertionError("failed to save preferences in MasterSecretUtil");
}
return new AsymmetricMasterSecret(keyPair.getPublicKey(), keyPair.getPrivateKey());
}
Example 13
| Source File: SQLiteAxolotlStore.java From Conversations with GNU General Public License v3.0 | 4 votes |
|
private static IdentityKeyPair generateIdentityKeyPair() {
Log.i(Config.LOGTAG, AxolotlService.LOGPREFIX + " : " + "Generating axolotl IdentityKeyPair...");
ECKeyPair identityKeyPairKeys = Curve.generateKeyPair();
return new IdentityKeyPair(new IdentityKey(identityKeyPairKeys.getPublicKey()),
identityKeyPairKeys.getPrivateKey());
}
Example 14
| Source File: SessionBuilderTest.java From libsignal-protocol-java with GNU General Public License v3.0 | 4 votes |
|
public void testBadMessageBundle() throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException, InvalidMessageException, DuplicateMessageException, LegacyMessageException, InvalidKeyIdException {
SignalProtocolStore aliceStore = new TestInMemorySignalProtocolStore();
SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_ADDRESS);
SignalProtocolStore bobStore = new TestInMemorySignalProtocolStore();
ECKeyPair bobPreKeyPair = Curve.generateKeyPair();
ECKeyPair bobSignedPreKeyPair = Curve.generateKeyPair();
byte[] bobSignedPreKeySignature = Curve.calculateSignature(bobStore.getIdentityKeyPair().getPrivateKey(),
bobSignedPreKeyPair.getPublicKey().serialize());
PreKeyBundle bobPreKey = new PreKeyBundle(bobStore.getLocalRegistrationId(), 1,
31337, bobPreKeyPair.getPublicKey(),
22, bobSignedPreKeyPair.getPublicKey(), bobSignedPreKeySignature,
bobStore.getIdentityKeyPair().getPublicKey());
bobStore.storePreKey(31337, new PreKeyRecord(bobPreKey.getPreKeyId(), bobPreKeyPair));
bobStore.storeSignedPreKey(22, new SignedPreKeyRecord(22, System.currentTimeMillis(), bobSignedPreKeyPair, bobSignedPreKeySignature));
aliceSessionBuilder.process(bobPreKey);
String originalMessage = "L'homme est condamné à être libre";
SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_ADDRESS);
CiphertextMessage outgoingMessageOne = aliceSessionCipher.encrypt(originalMessage.getBytes());
assertTrue(outgoingMessageOne.getType() == CiphertextMessage.PREKEY_TYPE);
byte[] goodMessage = outgoingMessageOne.serialize();
byte[] badMessage = new byte[goodMessage.length];
System.arraycopy(goodMessage, 0, badMessage, 0, badMessage.length);
badMessage[badMessage.length-10] ^= 0x01;
PreKeySignalMessage incomingMessage = new PreKeySignalMessage(badMessage);
SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_ADDRESS);
byte[] plaintext = new byte[0];
try {
plaintext = bobSessionCipher.decrypt(incomingMessage);
throw new AssertionError("Decrypt should have failed!");
} catch (InvalidMessageException e) {
// good.
}
assertTrue(bobStore.containsPreKey(31337));
plaintext = bobSessionCipher.decrypt(new PreKeySignalMessage(goodMessage));
assertTrue(originalMessage.equals(new String(plaintext)));
assertTrue(!bobStore.containsPreKey(31337));
}
Example 15
| Source File: SenderKeyState.java From libsignal-protocol-java with GNU General Public License v3.0 | 4 votes |
|
public SenderKeyState(int id, int iteration, byte[] chainKey, ECKeyPair signatureKey) {
this(id, iteration, chainKey, signatureKey.getPublicKey(), Optional.of(signatureKey.getPrivateKey()));
}
Example 16
| Source File: SessionBuilderTest.java From libsignal-protocol-java with GNU General Public License v3.0 | 4 votes |
|
public void testOptionalOneTimePreKey() throws Exception {
SignalProtocolStore aliceStore = new TestInMemorySignalProtocolStore();
SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_ADDRESS);
SignalProtocolStore bobStore = new TestInMemorySignalProtocolStore();
ECKeyPair bobPreKeyPair = Curve.generateKeyPair();
ECKeyPair bobSignedPreKeyPair = Curve.generateKeyPair();
byte[] bobSignedPreKeySignature = Curve.calculateSignature(bobStore.getIdentityKeyPair().getPrivateKey(),
bobSignedPreKeyPair.getPublicKey().serialize());
PreKeyBundle bobPreKey = new PreKeyBundle(bobStore.getLocalRegistrationId(), 1,
0, null,
22, bobSignedPreKeyPair.getPublicKey(),
bobSignedPreKeySignature,
bobStore.getIdentityKeyPair().getPublicKey());
aliceSessionBuilder.process(bobPreKey);
assertTrue(aliceStore.containsSession(BOB_ADDRESS));
assertTrue(aliceStore.loadSession(BOB_ADDRESS).getSessionState().getSessionVersion() == 3);
String originalMessage = "L'homme est condamné à être libre";
SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_ADDRESS);
CiphertextMessage outgoingMessage = aliceSessionCipher.encrypt(originalMessage.getBytes());
assertTrue(outgoingMessage.getType() == CiphertextMessage.PREKEY_TYPE);
PreKeySignalMessage incomingMessage = new PreKeySignalMessage(outgoingMessage.serialize());
assertTrue(!incomingMessage.getPreKeyId().isPresent());
bobStore.storePreKey(31337, new PreKeyRecord(bobPreKey.getPreKeyId(), bobPreKeyPair));
bobStore.storeSignedPreKey(22, new SignedPreKeyRecord(22, System.currentTimeMillis(), bobSignedPreKeyPair, bobSignedPreKeySignature));
SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_ADDRESS);
byte[] plaintext = bobSessionCipher.decrypt(incomingMessage);
assertTrue(bobStore.containsSession(ALICE_ADDRESS));
assertTrue(bobStore.loadSession(ALICE_ADDRESS).getSessionState().getSessionVersion() == 3);
assertTrue(bobStore.loadSession(ALICE_ADDRESS).getSessionState().getAliceBaseKey() != null);
assertTrue(originalMessage.equals(new String(plaintext)));
}
Example 17
| Source File: SessionBuilderTest.java From libsignal-protocol-java with GNU General Public License v3.0 | 4 votes |
|
public void testRepeatBundleMessageV3() throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException, InvalidMessageException, InvalidKeyIdException, DuplicateMessageException, LegacyMessageException, NoSessionException {
SignalProtocolStore aliceStore = new TestInMemorySignalProtocolStore();
SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_ADDRESS);
SignalProtocolStore bobStore = new TestInMemorySignalProtocolStore();
ECKeyPair bobPreKeyPair = Curve.generateKeyPair();
ECKeyPair bobSignedPreKeyPair = Curve.generateKeyPair();
byte[] bobSignedPreKeySignature = Curve.calculateSignature(bobStore.getIdentityKeyPair().getPrivateKey(),
bobSignedPreKeyPair.getPublicKey().serialize());
PreKeyBundle bobPreKey = new PreKeyBundle(bobStore.getLocalRegistrationId(), 1,
31337, bobPreKeyPair.getPublicKey(),
22, bobSignedPreKeyPair.getPublicKey(), bobSignedPreKeySignature,
bobStore.getIdentityKeyPair().getPublicKey());
bobStore.storePreKey(31337, new PreKeyRecord(bobPreKey.getPreKeyId(), bobPreKeyPair));
bobStore.storeSignedPreKey(22, new SignedPreKeyRecord(22, System.currentTimeMillis(), bobSignedPreKeyPair, bobSignedPreKeySignature));
aliceSessionBuilder.process(bobPreKey);
String originalMessage = "L'homme est condamné à être libre";
SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_ADDRESS);
CiphertextMessage outgoingMessageOne = aliceSessionCipher.encrypt(originalMessage.getBytes());
CiphertextMessage outgoingMessageTwo = aliceSessionCipher.encrypt(originalMessage.getBytes());
assertTrue(outgoingMessageOne.getType() == CiphertextMessage.PREKEY_TYPE);
assertTrue(outgoingMessageTwo.getType() == CiphertextMessage.PREKEY_TYPE);
PreKeySignalMessage incomingMessage = new PreKeySignalMessage(outgoingMessageOne.serialize());
SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_ADDRESS);
byte[] plaintext = bobSessionCipher.decrypt(incomingMessage);
assertTrue(originalMessage.equals(new String(plaintext)));
CiphertextMessage bobOutgoingMessage = bobSessionCipher.encrypt(originalMessage.getBytes());
byte[] alicePlaintext = aliceSessionCipher.decrypt(new SignalMessage(bobOutgoingMessage.serialize()));
assertTrue(originalMessage.equals(new String(alicePlaintext)));
// The test
PreKeySignalMessage incomingMessageTwo = new PreKeySignalMessage(outgoingMessageTwo.serialize());
plaintext = bobSessionCipher.decrypt(new PreKeySignalMessage(incomingMessageTwo.serialize()));
assertTrue(originalMessage.equals(new String(plaintext)));
bobOutgoingMessage = bobSessionCipher.encrypt(originalMessage.getBytes());
alicePlaintext = aliceSessionCipher.decrypt(new SignalMessage(bobOutgoingMessage.serialize()));
assertTrue(originalMessage.equals(new String(alicePlaintext)));
}
Example 18
| Source File: SQLiteAxolotlStore.java From Pix-Art-Messenger with GNU General Public License v3.0 | 4 votes |
|
private static IdentityKeyPair generateIdentityKeyPair() {
Log.i(Config.LOGTAG, AxolotlService.LOGPREFIX + " : " + "Generating axolotl IdentityKeyPair...");
ECKeyPair identityKeyPairKeys = Curve.generateKeyPair();
return new IdentityKeyPair(new IdentityKey(identityKeyPairKeys.getPublicKey()),
identityKeyPairKeys.getPrivateKey());
}
Example 19
| Source File: TestInMemoryIdentityKeyStore.java From libsignal-protocol-java with GNU General Public License v3.0 | 4 votes |
|
private static IdentityKeyPair generateIdentityKeyPair() {
ECKeyPair identityKeyPairKeys = Curve.generateKeyPair();
return new IdentityKeyPair(new IdentityKey(identityKeyPairKeys.getPublicKey()),
identityKeyPairKeys.getPrivateKey());
}
Example 20
| Source File: TestInMemorySignalProtocolStore.java From libsignal-protocol-java with GNU General Public License v3.0 | 4 votes |
|
private static IdentityKeyPair generateIdentityKeyPair() {
ECKeyPair identityKeyPairKeys = Curve.generateKeyPair();
return new IdentityKeyPair(new IdentityKey(identityKeyPairKeys.getPublicKey()),
identityKeyPairKeys.getPrivateKey());
}
