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Check prekey identity on mismatched devices too.

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This commit is contained in:
Moxie Marlinspike 2014-02-17 12:41:06 -08:00
parent 6b5753337c
commit d8e1df9233
1 changed files with 6 additions and 2 deletions
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8
src/org/thoughtcrime/securesms/transport/PushTransport.java
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@ -189,7 +189,7 @@ public class PushTransport extends BaseTransport {
private void handleMismatchedDevices(PushServiceSocket socket, long threadId,
Recipient recipient,
MismatchedDevices mismatchedDevices)
throws InvalidNumberException, IOException
throws InvalidNumberException, IOException, UntrustedIdentityException
{
try {
String e164number = Util.canonicalizeNumber(context, recipient.getNumber());
@ -205,7 +205,11 @@ public class PushTransport extends BaseTransport {
PreKeyEntity preKey = socket.getPreKey(address);
KeyExchangeProcessorV2 processor = new KeyExchangeProcessorV2(context, masterSecret, address);
processor.processKeyExchangeMessage(preKey, threadId);
if (processor.isTrusted(preKey)) {
processor.processKeyExchangeMessage(preKey, threadId);
} else {
throw new UntrustedIdentityException("Untrusted identity key!", e164number, preKey.getIdentityKey());
}
}
} catch (InvalidKeyException e) {
throw new IOException(e);