private void InitializeSessions(TestInMemorySignalProtocolStore aliceStore, TestInMemorySignalProtocolStore bobStore)
{
ECKeyPair bobPreKey = Curve.generateKeyPair();
IdentityKeyPair bobIdentityKey = bobStore.GetIdentityKeyPair();
SignedPreKeyRecord bobSignedPreKey = KeyHelper.generateSignedPreKey(bobIdentityKey, 2);
PreKeyBundle bobBundle = new PreKeyBundle(1, 1, 1, bobPreKey.getPublicKey(), 2, bobSignedPreKey.getKeyPair().getPublicKey(), bobSignedPreKey.getSignature(), bobIdentityKey.getPublicKey());
SessionBuilder aliceSessionBuilder = new SessionBuilder(aliceStore, new SignalProtocolAddress("+14152222222", 1));
aliceSessionBuilder.process(bobBundle);
bobStore.StoreSignedPreKey(2, bobSignedPreKey);
bobStore.StorePreKey(1, new PreKeyRecord(1, bobPreKey));
}
public void TestEncryptDecryptUntrusted()
{
TestInMemorySignalProtocolStore aliceStore = new TestInMemorySignalProtocolStore();
TestInMemorySignalProtocolStore bobStore = new TestInMemorySignalProtocolStore();
InitializeSessions(aliceStore, bobStore);
ECKeyPair trustRoot = Curve.generateKeyPair();
ECKeyPair falseTrustRoot = Curve.generateKeyPair();
SenderCertificate senderCertificate = CreateCertificateFor(falseTrustRoot, "+14151111111", 1, aliceStore.GetIdentityKeyPair().getPublicKey().getPublicKey(), 31337);
SealedSessionCipher aliceCipher = new SealedSessionCipher(aliceStore, new SignalProtocolAddress("+14151111111", 1));
byte[] ciphertext = aliceCipher.Encrypt(new SignalProtocolAddress("+14152222222", 1),
senderCertificate, Encoding.ASCII.GetBytes("и вот я"));
SealedSessionCipher bobCipher = new SealedSessionCipher(bobStore, new SignalProtocolAddress("+14152222222", 1));
try
{
bobCipher.Decrypt(new CertificateValidator(trustRoot.getPublicKey()), ciphertext, 31335);
throw new Exception();
}
catch (InvalidMetadataMessageException)
{
// good
}
}
public void TestEncryptDecrypt()
{
TestInMemorySignalProtocolStore aliceStore = new TestInMemorySignalProtocolStore();
TestInMemorySignalProtocolStore bobStore = new TestInMemorySignalProtocolStore();
InitializeSessions(aliceStore, bobStore);
ECKeyPair trustRoot = Curve.generateKeyPair();
SenderCertificate senderCertificate = CreateCertificateFor(trustRoot, "+14151111111", 1, aliceStore.GetIdentityKeyPair().getPublicKey().getPublicKey(), 31337);
SealedSessionCipher aliceCipher = new SealedSessionCipher(aliceStore, new SignalProtocolAddress("+14151111111", 1));
byte[] ciphertext = aliceCipher.Encrypt(new SignalProtocolAddress("+14152222222", 1),
senderCertificate, Encoding.ASCII.GetBytes("smert za smert"));
SealedSessionCipher bobCipher = new SealedSessionCipher(bobStore, new SignalProtocolAddress("+14152222222", 1));
(SignalProtocolAddress, byte[])plaintext = bobCipher.Decrypt(new CertificateValidator(trustRoot.getPublicKey()), ciphertext, 31335);
CollectionAssert.AreEqual(plaintext.Item2, Encoding.ASCII.GetBytes("smert za smert"));
Assert.AreEqual(plaintext.Item1.Name, "+14151111111");
Assert.AreEqual(plaintext.Item1.DeviceId, (uint)1);
}