private PreKeyBundle createBobPreKeyBundle(SignalProtocolStore bobStore)
{
ECKeyPair bobUnsignedPreKey = Curve.generateKeyPair();
int bobUnsignedPreKeyId = new Random().Next((int)Medium.MAX_VALUE);
byte[] bobSignature = Curve.calculateSignature(bobStore.GetIdentityKeyPair().getPrivateKey(),
bobSignedPreKey.getPublicKey().serialize());
PreKeyBundle bobPreKeyBundle = new PreKeyBundle(1, 1,
(uint)bobUnsignedPreKeyId, bobUnsignedPreKey.getPublicKey(),
bobSignedPreKeyId, bobSignedPreKey.getPublicKey(),
bobSignature, bobStore.GetIdentityKeyPair().getPublicKey());
bobStore.StoreSignedPreKey(bobSignedPreKeyId, new SignedPreKeyRecord(bobSignedPreKeyId, (ulong)DateTime.UtcNow.Ticks, bobSignedPreKey, bobSignature));
bobStore.StorePreKey((uint)bobUnsignedPreKeyId, new PreKeyRecord((uint)bobUnsignedPreKeyId, bobUnsignedPreKey));
return(bobPreKeyBundle);
}
private PreKeyBundle createAlicePreKeyBundle(SignalProtocolStore aliceStore)
{
ECKeyPair aliceUnsignedPreKey = Curve.generateKeyPair();
int aliceUnsignedPreKeyId = new Random().Next((int)Medium.MAX_VALUE);
byte[] aliceSignature = Curve.calculateSignature(aliceStore.GetIdentityKeyPair().getPrivateKey(),
aliceSignedPreKey.getPublicKey().serialize());
PreKeyBundle alicePreKeyBundle = new PreKeyBundle(1, 1,
(uint)aliceUnsignedPreKeyId, aliceUnsignedPreKey.getPublicKey(),
aliceSignedPreKeyId, aliceSignedPreKey.getPublicKey(),
aliceSignature, aliceStore.GetIdentityKeyPair().getPublicKey());
aliceStore.StoreSignedPreKey(aliceSignedPreKeyId, new SignedPreKeyRecord(aliceSignedPreKeyId, (ulong)DateTime.UtcNow.Ticks, aliceSignedPreKey, aliceSignature));
aliceStore.StorePreKey((uint)aliceUnsignedPreKeyId, new PreKeyRecord((uint)aliceUnsignedPreKeyId, aliceUnsignedPreKey));
return(alicePreKeyBundle);
}