PapaTutuWawa/omemo_dart
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fix: Track new KEX entries using a ratchet key

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PapaTutuWawa 2022-12-27 12:47:45 +01:00
parent 5f844dafda
commit 6a9e98665d
1 changed files with 6 additions and 6 deletions
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12
lib/src/omemo/omemomanager.dart
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@ -435,10 +435,10 @@ class OmemoManager {
keyPayload = List<int>.filled(32, 0x0);
}
final kex = <int, OmemoKeyExchange>{};
final kex = <RatchetMapKey, OmemoKeyExchange>{};
for (final jid in jids) {
for (final newSession in await _fetchNewBundles(jid)) {
kex[newSession.id] = await addSessionFromBundle(
kex[RatchetMapKey(jid, newSession.id)] = await addSessionFromBundle(
newSession.jid,
newSession.id,
newSession,
@ -477,9 +477,9 @@ class OmemoManager {
final ciphertext = (await ratchet.ratchetEncrypt(keyPayload)).ciphertext;
if (kex.isNotEmpty && kex.containsKey(deviceId)) {
if (kex.containsKey(ratchetKey)) {
// The ratchet did not exist
final k = kex[deviceId]!
final k = kex[ratchetKey]!
..message = OmemoAuthenticatedMessage.fromBuffer(ciphertext);
final buffer = base64.encode(k.writeToBuffer());
encryptedKeys.add(
@ -497,7 +497,7 @@ class OmemoManager {
// The ratchet exists but is not acked
if (ratchet.kex != null) {
final oldKex = OmemoKeyExchange.fromBuffer(base64.decode(ratchet.kex!))
..message = OmemoAuthenticatedMessage.fromBuffer(ciphertext);
..message = OmemoAuthenticatedMessage.fromBuffer(ciphertext);
encryptedKeys.add(
EncryptedKey(
@ -656,7 +656,7 @@ class OmemoManager {
Future<Device> getDevice() => _deviceLock.synchronized(() => _device);
/// Returns the id of the device used for encryption and decryption.
Future<int> getDeviceId() => (await getDevice()).id;
Future<int> getDeviceId() async => (await getDevice()).id;
/// Returns the fingerprints for all devices of [jid] that we have a session with.
/// If there are not sessions with [jid], then returns null.