2015-01-08 22:48:49 +01:00
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package org.whispersystems.libaxolotl;
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import junit.framework.TestCase;
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2014-11-24 21:54:30 +01:00
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import org.whispersystems.libaxolotl.ecc.Curve;
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import org.whispersystems.libaxolotl.ecc.ECKeyPair;
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import org.whispersystems.libaxolotl.protocol.CiphertextMessage;
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import org.whispersystems.libaxolotl.protocol.PreKeyWhisperMessage;
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import org.whispersystems.libaxolotl.protocol.WhisperMessage;
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import org.whispersystems.libaxolotl.state.AxolotlStore;
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import org.whispersystems.libaxolotl.state.PreKeyBundle;
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import org.whispersystems.libaxolotl.state.PreKeyRecord;
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import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
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import org.whispersystems.libaxolotl.util.Medium;
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import java.util.Arrays;
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import java.util.Random;
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2015-01-08 22:48:49 +01:00
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public class SimultaneousInitiateTests extends TestCase {
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2014-11-24 21:54:30 +01:00
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private static final long BOB_RECIPENT_ID = 12345;
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private static final long ALICE_RECIPIENT_ID = 6789;
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private static final ECKeyPair aliceSignedPreKey = Curve.generateKeyPair();
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private static final ECKeyPair bobSignedPreKey = Curve.generateKeyPair();
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private static final int aliceSignedPreKeyId = new Random().nextInt(Medium.MAX_VALUE);
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private static final int bobSignedPreKeyId = new Random().nextInt(Medium.MAX_VALUE);
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public void testBasicSimultaneousInitiate()
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throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException,
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InvalidMessageException, DuplicateMessageException, LegacyMessageException,
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InvalidKeyIdException, NoSessionException
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{
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AxolotlStore aliceStore = new InMemoryAxolotlStore();
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AxolotlStore bobStore = new InMemoryAxolotlStore();
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PreKeyBundle alicePreKeyBundle = createAlicePreKeyBundle(aliceStore);
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PreKeyBundle bobPreKeyBundle = createBobPreKeyBundle(bobStore);
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SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_RECIPENT_ID, 1);
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SessionBuilder bobSessionBuilder = new SessionBuilder(bobStore, ALICE_RECIPIENT_ID, 1);
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SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_RECIPENT_ID, 1);
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SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_RECIPIENT_ID, 1);
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aliceSessionBuilder.process(bobPreKeyBundle);
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bobSessionBuilder.process(alicePreKeyBundle);
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CiphertextMessage messageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
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CiphertextMessage messageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
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assertTrue(messageForBob.getType() == CiphertextMessage.PREKEY_TYPE);
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assertTrue(messageForAlice.getType() == CiphertextMessage.PREKEY_TYPE);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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byte[] alicePlaintext = aliceSessionCipher.decrypt(new PreKeyWhisperMessage(messageForAlice.serialize()));
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byte[] bobPlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(messageForBob.serialize()));
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assertTrue(new String(alicePlaintext).equals("sample message"));
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assertTrue(new String(bobPlaintext).equals("hey there"));
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assertTrue(aliceStore.loadSession(BOB_RECIPENT_ID, 1).getSessionState().getSessionVersion() == 3);
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assertTrue(bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getSessionVersion() == 3);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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CiphertextMessage aliceResponse = aliceSessionCipher.encrypt("second message".getBytes());
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assertTrue(aliceResponse.getType() == CiphertextMessage.WHISPER_TYPE);
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byte[] responsePlaintext = bobSessionCipher.decrypt(new WhisperMessage(aliceResponse.serialize()));
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assertTrue(new String(responsePlaintext).equals("second message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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CiphertextMessage finalMessage = bobSessionCipher.encrypt("third message".getBytes());
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assertTrue(finalMessage.getType() == CiphertextMessage.WHISPER_TYPE);
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byte[] finalPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(finalMessage.serialize()));
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assertTrue(new String(finalPlaintext).equals("third message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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}
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public void testLostSimultaneousInitiate() throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException, InvalidMessageException, DuplicateMessageException, LegacyMessageException, InvalidKeyIdException, NoSessionException {
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AxolotlStore aliceStore = new InMemoryAxolotlStore();
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AxolotlStore bobStore = new InMemoryAxolotlStore();
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PreKeyBundle alicePreKeyBundle = createAlicePreKeyBundle(aliceStore);
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PreKeyBundle bobPreKeyBundle = createBobPreKeyBundle(bobStore);
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SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_RECIPENT_ID, 1);
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SessionBuilder bobSessionBuilder = new SessionBuilder(bobStore, ALICE_RECIPIENT_ID, 1);
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SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_RECIPENT_ID, 1);
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SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_RECIPIENT_ID, 1);
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aliceSessionBuilder.process(bobPreKeyBundle);
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bobSessionBuilder.process(alicePreKeyBundle);
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CiphertextMessage messageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
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CiphertextMessage messageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
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assertTrue(messageForBob.getType() == CiphertextMessage.PREKEY_TYPE);
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assertTrue(messageForAlice.getType() == CiphertextMessage.PREKEY_TYPE);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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byte[] bobPlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(messageForBob.serialize()));
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assertTrue(new String(bobPlaintext).equals("hey there"));
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assertTrue(bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getSessionVersion() == 3);
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CiphertextMessage aliceResponse = aliceSessionCipher.encrypt("second message".getBytes());
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assertTrue(aliceResponse.getType() == CiphertextMessage.PREKEY_TYPE);
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byte[] responsePlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(aliceResponse.serialize()));
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assertTrue(new String(responsePlaintext).equals("second message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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CiphertextMessage finalMessage = bobSessionCipher.encrypt("third message".getBytes());
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assertTrue(finalMessage.getType() == CiphertextMessage.WHISPER_TYPE);
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byte[] finalPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(finalMessage.serialize()));
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assertTrue(new String(finalPlaintext).equals("third message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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}
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public void testSimultaneousInitiateLostMessage()
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throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException,
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InvalidMessageException, DuplicateMessageException, LegacyMessageException,
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InvalidKeyIdException, NoSessionException
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{
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AxolotlStore aliceStore = new InMemoryAxolotlStore();
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AxolotlStore bobStore = new InMemoryAxolotlStore();
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PreKeyBundle alicePreKeyBundle = createAlicePreKeyBundle(aliceStore);
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PreKeyBundle bobPreKeyBundle = createBobPreKeyBundle(bobStore);
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SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_RECIPENT_ID, 1);
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SessionBuilder bobSessionBuilder = new SessionBuilder(bobStore, ALICE_RECIPIENT_ID, 1);
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SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_RECIPENT_ID, 1);
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SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_RECIPIENT_ID, 1);
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aliceSessionBuilder.process(bobPreKeyBundle);
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bobSessionBuilder.process(alicePreKeyBundle);
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CiphertextMessage messageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
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CiphertextMessage messageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
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assertTrue(messageForBob.getType() == CiphertextMessage.PREKEY_TYPE);
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assertTrue(messageForAlice.getType() == CiphertextMessage.PREKEY_TYPE);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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byte[] alicePlaintext = aliceSessionCipher.decrypt(new PreKeyWhisperMessage(messageForAlice.serialize()));
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byte[] bobPlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(messageForBob.serialize()));
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assertTrue(new String(alicePlaintext).equals("sample message"));
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assertTrue(new String(bobPlaintext).equals("hey there"));
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assertTrue(aliceStore.loadSession(BOB_RECIPENT_ID, 1).getSessionState().getSessionVersion() == 3);
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assertTrue(bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getSessionVersion() == 3);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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CiphertextMessage aliceResponse = aliceSessionCipher.encrypt("second message".getBytes());
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assertTrue(aliceResponse.getType() == CiphertextMessage.WHISPER_TYPE);
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// byte[] responsePlaintext = bobSessionCipher.decrypt(new WhisperMessage(aliceResponse.serialize()));
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//
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// assertTrue(new String(responsePlaintext).equals("second message"));
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// assertTrue(isSessionIdEqual(aliceStore, bobStore));
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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CiphertextMessage finalMessage = bobSessionCipher.encrypt("third message".getBytes());
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assertTrue(finalMessage.getType() == CiphertextMessage.WHISPER_TYPE);
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byte[] finalPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(finalMessage.serialize()));
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assertTrue(new String(finalPlaintext).equals("third message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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}
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public void testSimultaneousInitiateRepeatedMessages()
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throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException,
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InvalidMessageException, DuplicateMessageException, LegacyMessageException,
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InvalidKeyIdException, NoSessionException
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{
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AxolotlStore aliceStore = new InMemoryAxolotlStore();
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AxolotlStore bobStore = new InMemoryAxolotlStore();
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PreKeyBundle alicePreKeyBundle = createAlicePreKeyBundle(aliceStore);
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PreKeyBundle bobPreKeyBundle = createBobPreKeyBundle(bobStore);
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SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_RECIPENT_ID, 1);
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SessionBuilder bobSessionBuilder = new SessionBuilder(bobStore, ALICE_RECIPIENT_ID, 1);
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SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_RECIPENT_ID, 1);
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SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_RECIPIENT_ID, 1);
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aliceSessionBuilder.process(bobPreKeyBundle);
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bobSessionBuilder.process(alicePreKeyBundle);
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CiphertextMessage messageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
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CiphertextMessage messageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
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assertTrue(messageForBob.getType() == CiphertextMessage.PREKEY_TYPE);
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assertTrue(messageForAlice.getType() == CiphertextMessage.PREKEY_TYPE);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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byte[] alicePlaintext = aliceSessionCipher.decrypt(new PreKeyWhisperMessage(messageForAlice.serialize()));
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byte[] bobPlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(messageForBob.serialize()));
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assertTrue(new String(alicePlaintext).equals("sample message"));
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assertTrue(new String(bobPlaintext).equals("hey there"));
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assertTrue(aliceStore.loadSession(BOB_RECIPENT_ID, 1).getSessionState().getSessionVersion() == 3);
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assertTrue(bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getSessionVersion() == 3);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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for (int i=0;i<50;i++) {
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CiphertextMessage messageForBobRepeat = aliceSessionCipher.encrypt("hey there".getBytes());
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CiphertextMessage messageForAliceRepeat = bobSessionCipher.encrypt("sample message".getBytes());
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assertTrue(messageForBobRepeat.getType() == CiphertextMessage.WHISPER_TYPE);
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assertTrue(messageForAliceRepeat.getType() == CiphertextMessage.WHISPER_TYPE);
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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byte[] alicePlaintextRepeat = aliceSessionCipher.decrypt(new WhisperMessage(messageForAliceRepeat.serialize()));
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byte[] bobPlaintextRepeat = bobSessionCipher.decrypt(new WhisperMessage(messageForBobRepeat.serialize()));
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assertTrue(new String(alicePlaintextRepeat).equals("sample message"));
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assertTrue(new String(bobPlaintextRepeat).equals("hey there"));
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assertFalse(isSessionIdEqual(aliceStore, bobStore));
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}
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CiphertextMessage aliceResponse = aliceSessionCipher.encrypt("second message".getBytes());
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assertTrue(aliceResponse.getType() == CiphertextMessage.WHISPER_TYPE);
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byte[] responsePlaintext = bobSessionCipher.decrypt(new WhisperMessage(aliceResponse.serialize()));
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assertTrue(new String(responsePlaintext).equals("second message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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CiphertextMessage finalMessage = bobSessionCipher.encrypt("third message".getBytes());
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assertTrue(finalMessage.getType() == CiphertextMessage.WHISPER_TYPE);
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byte[] finalPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(finalMessage.serialize()));
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assertTrue(new String(finalPlaintext).equals("third message"));
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assertTrue(isSessionIdEqual(aliceStore, bobStore));
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}
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public void testRepeatedSimultaneousInitiateRepeatedMessages()
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throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException,
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InvalidMessageException, DuplicateMessageException, LegacyMessageException,
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InvalidKeyIdException, NoSessionException
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{
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AxolotlStore aliceStore = new InMemoryAxolotlStore();
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AxolotlStore bobStore = new InMemoryAxolotlStore();
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SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_RECIPENT_ID, 1);
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SessionBuilder bobSessionBuilder = new SessionBuilder(bobStore, ALICE_RECIPIENT_ID, 1);
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SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_RECIPENT_ID, 1);
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SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_RECIPIENT_ID, 1);
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for (int i=0;i<15;i++) {
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PreKeyBundle alicePreKeyBundle = createAlicePreKeyBundle(aliceStore);
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|
PreKeyBundle bobPreKeyBundle = createBobPreKeyBundle(bobStore);
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aliceSessionBuilder.process(bobPreKeyBundle);
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|
bobSessionBuilder.process(alicePreKeyBundle);
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|
CiphertextMessage messageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
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CiphertextMessage messageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
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|
|
assertTrue(messageForBob.getType() == CiphertextMessage.PREKEY_TYPE);
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|
assertTrue(messageForAlice.getType() == CiphertextMessage.PREKEY_TYPE);
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|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
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|
|
|
|
|
|
|
byte[] alicePlaintext = aliceSessionCipher.decrypt(new PreKeyWhisperMessage(messageForAlice.serialize()));
|
|
|
|
|
byte[] bobPlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(messageForBob.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(alicePlaintext).equals("sample message"));
|
|
|
|
|
assertTrue(new String(bobPlaintext).equals("hey there"));
|
|
|
|
|
|
|
|
|
|
assertTrue(aliceStore.loadSession(BOB_RECIPENT_ID, 1).getSessionState().getSessionVersion() == 3);
|
|
|
|
|
assertTrue(bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getSessionVersion() == 3);
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (int i=0;i<50;i++) {
|
|
|
|
|
CiphertextMessage messageForBobRepeat = aliceSessionCipher.encrypt("hey there".getBytes());
|
|
|
|
|
CiphertextMessage messageForAliceRepeat = bobSessionCipher.encrypt("sample message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(messageForBobRepeat.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
assertTrue(messageForAliceRepeat.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
byte[] alicePlaintextRepeat = aliceSessionCipher.decrypt(new WhisperMessage(messageForAliceRepeat.serialize()));
|
|
|
|
|
byte[] bobPlaintextRepeat = bobSessionCipher.decrypt(new WhisperMessage(messageForBobRepeat.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(alicePlaintextRepeat).equals("sample message"));
|
|
|
|
|
assertTrue(new String(bobPlaintextRepeat).equals("hey there"));
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CiphertextMessage aliceResponse = aliceSessionCipher.encrypt("second message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(aliceResponse.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
|
|
|
|
|
byte[] responsePlaintext = bobSessionCipher.decrypt(new WhisperMessage(aliceResponse.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(responsePlaintext).equals("second message"));
|
|
|
|
|
assertTrue(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
CiphertextMessage finalMessage = bobSessionCipher.encrypt("third message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(finalMessage.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
|
|
|
|
|
byte[] finalPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(finalMessage.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(finalPlaintext).equals("third message"));
|
|
|
|
|
assertTrue(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void testRepeatedSimultaneousInitiateLostMessageRepeatedMessages()
|
|
|
|
|
throws InvalidKeyException, UntrustedIdentityException, InvalidVersionException,
|
|
|
|
|
InvalidMessageException, DuplicateMessageException, LegacyMessageException,
|
|
|
|
|
InvalidKeyIdException, NoSessionException
|
|
|
|
|
{
|
|
|
|
|
AxolotlStore aliceStore = new InMemoryAxolotlStore();
|
|
|
|
|
AxolotlStore bobStore = new InMemoryAxolotlStore();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, BOB_RECIPENT_ID, 1);
|
|
|
|
|
SessionBuilder bobSessionBuilder = new SessionBuilder(bobStore, ALICE_RECIPIENT_ID, 1);
|
|
|
|
|
|
|
|
|
|
SessionCipher aliceSessionCipher = new SessionCipher(aliceStore, BOB_RECIPENT_ID, 1);
|
|
|
|
|
SessionCipher bobSessionCipher = new SessionCipher(bobStore, ALICE_RECIPIENT_ID, 1);
|
|
|
|
|
|
|
|
|
|
// PreKeyBundle aliceLostPreKeyBundle = createAlicePreKeyBundle(aliceStore);
|
|
|
|
|
PreKeyBundle bobLostPreKeyBundle = createBobPreKeyBundle(bobStore);
|
|
|
|
|
|
|
|
|
|
aliceSessionBuilder.process(bobLostPreKeyBundle);
|
|
|
|
|
// bobSessionBuilder.process(aliceLostPreKeyBundle);
|
|
|
|
|
|
|
|
|
|
CiphertextMessage lostMessageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
|
|
|
|
|
// CiphertextMessage lostMessageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
|
|
|
|
|
|
|
|
|
|
for (int i=0;i<15;i++) {
|
|
|
|
|
PreKeyBundle alicePreKeyBundle = createAlicePreKeyBundle(aliceStore);
|
|
|
|
|
PreKeyBundle bobPreKeyBundle = createBobPreKeyBundle(bobStore);
|
|
|
|
|
|
|
|
|
|
aliceSessionBuilder.process(bobPreKeyBundle);
|
|
|
|
|
bobSessionBuilder.process(alicePreKeyBundle);
|
|
|
|
|
|
|
|
|
|
CiphertextMessage messageForBob = aliceSessionCipher.encrypt("hey there".getBytes());
|
|
|
|
|
CiphertextMessage messageForAlice = bobSessionCipher.encrypt("sample message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(messageForBob.getType() == CiphertextMessage.PREKEY_TYPE);
|
|
|
|
|
assertTrue(messageForAlice.getType() == CiphertextMessage.PREKEY_TYPE);
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
byte[] alicePlaintext = aliceSessionCipher.decrypt(new PreKeyWhisperMessage(messageForAlice.serialize()));
|
|
|
|
|
byte[] bobPlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(messageForBob.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(alicePlaintext).equals("sample message"));
|
|
|
|
|
assertTrue(new String(bobPlaintext).equals("hey there"));
|
|
|
|
|
|
|
|
|
|
assertTrue(aliceStore.loadSession(BOB_RECIPENT_ID, 1).getSessionState().getSessionVersion() == 3);
|
|
|
|
|
assertTrue(bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getSessionVersion() == 3);
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (int i=0;i<50;i++) {
|
|
|
|
|
CiphertextMessage messageForBobRepeat = aliceSessionCipher.encrypt("hey there".getBytes());
|
|
|
|
|
CiphertextMessage messageForAliceRepeat = bobSessionCipher.encrypt("sample message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(messageForBobRepeat.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
assertTrue(messageForAliceRepeat.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
byte[] alicePlaintextRepeat = aliceSessionCipher.decrypt(new WhisperMessage(messageForAliceRepeat.serialize()));
|
|
|
|
|
byte[] bobPlaintextRepeat = bobSessionCipher.decrypt(new WhisperMessage(messageForBobRepeat.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(alicePlaintextRepeat).equals("sample message"));
|
|
|
|
|
assertTrue(new String(bobPlaintextRepeat).equals("hey there"));
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CiphertextMessage aliceResponse = aliceSessionCipher.encrypt("second message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(aliceResponse.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
|
|
|
|
|
byte[] responsePlaintext = bobSessionCipher.decrypt(new WhisperMessage(aliceResponse.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(responsePlaintext).equals("second message"));
|
|
|
|
|
assertTrue(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
CiphertextMessage finalMessage = bobSessionCipher.encrypt("third message".getBytes());
|
|
|
|
|
|
|
|
|
|
assertTrue(finalMessage.getType() == CiphertextMessage.WHISPER_TYPE);
|
|
|
|
|
|
|
|
|
|
byte[] finalPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(finalMessage.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(finalPlaintext).equals("third message"));
|
|
|
|
|
assertTrue(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
byte[] lostMessagePlaintext = bobSessionCipher.decrypt(new PreKeyWhisperMessage(lostMessageForBob.serialize()));
|
|
|
|
|
assertTrue(new String(lostMessagePlaintext).equals("hey there"));
|
|
|
|
|
|
|
|
|
|
assertFalse(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
|
|
|
|
|
CiphertextMessage blastFromThePast = bobSessionCipher.encrypt("unexpected!".getBytes());
|
|
|
|
|
byte[] blastFromThePastPlaintext = aliceSessionCipher.decrypt(new WhisperMessage(blastFromThePast.serialize()));
|
|
|
|
|
|
|
|
|
|
assertTrue(new String(blastFromThePastPlaintext).equals("unexpected!"));
|
|
|
|
|
assertTrue(isSessionIdEqual(aliceStore, bobStore));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private boolean isSessionIdEqual(AxolotlStore aliceStore, AxolotlStore bobStore) {
|
|
|
|
|
return Arrays.equals(aliceStore.loadSession(BOB_RECIPENT_ID, 1).getSessionState().getAliceBaseKey(),
|
|
|
|
|
bobStore.loadSession(ALICE_RECIPIENT_ID, 1).getSessionState().getAliceBaseKey());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private PreKeyBundle createAlicePreKeyBundle(AxolotlStore 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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private PreKeyBundle createBobPreKeyBundle(AxolotlStore 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;
|
|
|
|
|
}
|
|
|
|
|
}
|
