public void TestMatchingFingerprints()
{
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);
Libsignal.Fingerprint.Fingerprint aliceFingerprint = generator.CreateFor("+14152222222", aliceIdentityKey,
"+14153333333", bobIdentityKey);
Libsignal.Fingerprint.Fingerprint bobFingerprint = generator.CreateFor("+14153333333", bobIdentityKey,
"+14152222222", aliceIdentityKey);
Assert.AreEqual <string>(aliceFingerprint.GetDisplayableFingerprint().GetDisplayText(),
bobFingerprint.GetDisplayableFingerprint().GetDisplayText());
Assert.IsTrue(
aliceFingerprint.GetScannableFingerprint().CompareTo(
bobFingerprint.GetScannableFingerprint().GetSerialized()));
Assert.IsTrue(
bobFingerprint.GetScannableFingerprint().CompareTo(
aliceFingerprint.GetScannableFingerprint().GetSerialized()));
Assert.AreEqual <int>(aliceFingerprint.GetDisplayableFingerprint().GetDisplayText().Length, 60);
}
public void TestMismatchingIdentifiers()
{
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);
Libsignal.Fingerprint.Fingerprint aliceFingerprint = generator.CreateFor("+141512222222", aliceIdentityKey,
"+14153333333", bobIdentityKey);
Libsignal.Fingerprint.Fingerprint bobFingerprint = generator.CreateFor("+14153333333", bobIdentityKey,
"+14152222222", aliceIdentityKey);
Assert.AreNotEqual <string>(aliceFingerprint.GetDisplayableFingerprint().GetDisplayText(),
bobFingerprint.GetDisplayableFingerprint().GetDisplayText());
try
{
aliceFingerprint.GetScannableFingerprint().CompareTo(bobFingerprint.GetScannableFingerprint().GetSerialized());
throw new Exception("Should mismatch!");
}
catch (FingerprintIdentifierMismatchException e)
{
// good
}
try
{
bobFingerprint.GetScannableFingerprint().CompareTo(aliceFingerprint.GetScannableFingerprint().GetSerialized());
throw new Exception("Should mismatch!");
}
catch (FingerprintIdentifierMismatchException e)
{
// good
}
}
public void TestVectors()
{
IdentityKey aliceIdentityKey = new IdentityKey(AliceIdentity, 0);
IdentityKey bobIdentityKey = new IdentityKey(BobIdentity, 0);
NumericFingerprintGenerator generator = new NumericFingerprintGenerator(5200);
Libsignal.Fingerprint.Fingerprint aliceFingerprint = generator.CreateFor(
"+14152222222", aliceIdentityKey,
"+14153333333", bobIdentityKey);
Libsignal.Fingerprint.Fingerprint bobFingerprint = generator.CreateFor(
"+14153333333", bobIdentityKey,
"+14152222222", aliceIdentityKey);
Assert.AreEqual(aliceFingerprint.GetDisplayableFingerprint().GetDisplayText(), DisplayableFingerprint);
Assert.AreEqual(bobFingerprint.GetDisplayableFingerprint().GetDisplayText(), DisplayableFingerprint);
CollectionAssert.AreEqual(aliceFingerprint.GetScannableFingerprint().GetSerialized(), AliceScannableFingerprint);
CollectionAssert.AreEqual(bobFingerprint.GetScannableFingerprint().GetSerialized(), BobScannableFingerprint);
}