49 lines
1.3 KiB
Dart
49 lines
1.3 KiB
Dart
import 'package:cryptography/cryptography.dart';
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import 'package:test/test.dart';
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import 'package:omemo_dart/src/x3dh/x3dh.dart';
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Future<List<int>> publicKeyBytes(SimpleKeyPair kp) async {
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final pk = await kp.extractPublicKey();
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return pk.bytes;
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}
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void main() {
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test("X3DH", () async {
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final ed = Ed25519();
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final x = Cryptography.instance.x25519();
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// Generate IKs for Alice and Bob
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final ikAlice = await ed.newKeyPair();
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final ikBob = await ed.newKeyPair();
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// Generate SPKs for Alice and Bob
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final spkAlice = await x.newKeyPair();
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final spkSigAlice = await sig(ikAlice, await publicKeyBytes(spkAlice));
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final spkBob = await x.newKeyPair();
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final spkSigBob = await sig(ikBob, await publicKeyBytes(spkBob));
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// Generate an OPK for Alice and Bob
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final opkAlice = await x.newKeyPair();
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final opkBob = await x.newKeyPair();
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// Perform X3DH
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final aliceMessage = await x3dhFromPrekeyBundle(
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await ikBob.extractPublicKey(),
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await spkBob.extractPublicKey(),
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await opkBob.extractPublicKey(),
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ikAlice,
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);
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final bobDh = await x3dhFromInitialMessage(
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await ikAlice.extractPublicKey(),
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await aliceMessage.epk.extractPublicKey(),
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opkBob,
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spkBob,
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ikBob,
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);
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expect(aliceMessage.sharedSecret, bobDh);
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});
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}
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