[jboss-jira] [JBoss JIRA] (JGRP-1893) ENCRYPT: Thread safety issues during key changes

[Tero Leppikangas (JIRA)]

Tero Leppikangas created JGRP-1893:
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             Summary: ENCRYPT: Thread safety issues during key changes
                 Key: JGRP-1893
                 URL: https://issues.jboss.org/browse/JGRP-1893
             Project: JGroups
          Issue Type: Bug
            Reporter: Tero Leppikangas
            Assignee: Bela Ban


For symmetric encryption, ENCRYPT has members with shared state: secret key, version and ciphers. In order for to provide consistent state between different threads accessing these members, they should be synchronized.

I have implemented one solution by wrapping the state in separate object which can be found here:
https://github.com/tepitebson/JGroups/tree/ENCRYPT_Thread_safety

I also have replaced the WeakHashMap holding the previous keys with Cache in google's guava library so my solution probably is not suitable for an official solution.



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