[jboss-jira] [JBoss JIRA] (JGRP-2315) ASYNC_ENCRYPT: Race condition in cipher queue usage can cause message descryption failures

[Paul Ferraro (Jira)]

Paul Ferraro created JGRP-2315:
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             Summary: ASYNC_ENCRYPT: Race condition in cipher queue usage can cause message descryption failures
                 Key: JGRP-2315
                 URL: https://issues.jboss.org/browse/JGRP-2315
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 4.0.15
            Reporter: Paul Ferraro
            Assignee: Bela Ban


If a message is received that needs to be decrypted, or if a message need to be encrypted, a cipher is taken from the queue.  However, if a new coordinator concurrently sends a new secret key, it will clear and recreate the cipher queues.  If the previous operation then puts its cipher back on the queue, the queue will now contain a cipher with the old secret key.  This will result in random message decryption failures when a message encryption/decryption pulls the outdated cipher from the queue.



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