86 lines
2.5 KiB
Dart
86 lines
2.5 KiB
Dart
import 'dart:convert';
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import 'package:cryptography/cryptography.dart';
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import 'package:omemo_dart/omemo_dart.dart';
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import 'package:test/test.dart';
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void main() {
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test('X3DH with correct signature', () async {
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// Generate keys
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final ikAlice = await OmemoKeyPair.generateNewPair(KeyPairType.ed25519);
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final ikBob = await OmemoKeyPair.generateNewPair(KeyPairType.ed25519);
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final spkBob = await OmemoKeyPair.generateNewPair(KeyPairType.x25519);
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final opkBob = await OmemoKeyPair.generateNewPair(KeyPairType.x25519);
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final bundleBob = OmemoBundle(
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'alice@some.server',
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1,
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await spkBob.pk.asBase64(),
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3,
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base64Encode(
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await sig(ikBob, await spkBob.pk.getBytes()),
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),
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//'Q5in+/L4kJixEX692h6mJkPMyp4I3SlQ84L0E7ipPzqfPHOMiraUlqG2vG/O8wvFjLsKYZpPBraga9IvwhqVDA==',
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await ikBob.pk.asBase64(),
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{
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2: await opkBob.pk.asBase64(),
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},
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);
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// Alice does X3DH
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final resultAlice = await x3dhFromBundle(bundleBob, ikAlice);
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// Alice sends the inital message to Bob
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// ...
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// Bob does X3DH
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final resultBob = await x3dhFromInitialMessage(
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X3DHMessage(
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ikAlice.pk,
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resultAlice.ek.pk,
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2,
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),
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spkBob,
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opkBob,
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ikBob,
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);
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expect(resultAlice.sk, resultBob.sk);
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expect(resultAlice.ad, resultBob.ad);
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});
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test('X3DH with incorrect signature', () async {
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// Generate keys
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final ikAlice = await OmemoKeyPair.generateNewPair(KeyPairType.ed25519);
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final ikBob = await OmemoKeyPair.generateNewPair(KeyPairType.ed25519);
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final spkBob = await OmemoKeyPair.generateNewPair(KeyPairType.x25519);
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final opkBob = await OmemoKeyPair.generateNewPair(KeyPairType.x25519);
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final bundleBob = OmemoBundle(
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'bob@some.server',
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1,
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await spkBob.pk.asBase64(),
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3,
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// NOTE: A bit flakey, but it is highly unlikely that the same keypair as this one
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// gets generated.
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'Q5in+/L4kJixEX692h6mJkPMyp4I3SlQ84L0E7ipPzqfPHOMiraUlqG2vG/O8wvFjLsKYZpPBraga9IvwhqVDA==',
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await ikBob.pk.asBase64(),
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{
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2: await opkBob.pk.asBase64(),
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},
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);
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// Alice does X3DH
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var exception = false;
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try {
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await x3dhFromBundle(bundleBob, ikAlice);
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} catch (e) {
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exception = true;
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expect(
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e is InvalidSignatureException,
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true,
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reason: 'Expected InvalidSignatureException, but got $e',
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);
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}
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expect(exception, true, reason: 'Expected test failure');
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});
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}
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