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When processing PreKeyBundle, archive current session if it exists.

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This commit is contained in:
Moxie Marlinspike 2014-08-19 14:46:01 -07:00
parent 3e287f930d
commit 07c61394e9
1 changed files with 3 additions and 2 deletions
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5
libaxolotl/src/main/java/org/whispersystems/libaxolotl/SessionBuilder.java
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@ -222,6 +222,7 @@ public class SessionBuilder {
throw new InvalidKeyException("Both signed and unsigned prekeys are absent!");
}
boolean isExistingSession = sessionStore.containsSession(recipientId, deviceId);
SessionRecord sessionRecord = sessionStore.loadSession(recipientId, deviceId);
ECKeyPair ourBaseKey = Curve.generateKeyPair();
ECPublicKey theirSignedPreKey = preKey.getSignedPreKey() != null ? preKey.getSignedPreKey() :
@ -238,8 +239,8 @@ public class SessionBuilder {
Optional.fromNullable(preKey.getPreKey()) :
Optional.<ECPublicKey>absent());
if (sessionRecord.getSessionState().getNeedsRefresh()) sessionRecord.archiveCurrentState();
else sessionRecord.reset();
if (isExistingSession) sessionRecord.archiveCurrentState();
else sessionRecord.reset();
RatchetingSession.initializeSession(sessionRecord.getSessionState(),
preKey.getSignedPreKey() == null ? 2 : 3,