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Posted to commits@wicket.apache.org by "Emond Papegaaij (Jira)" <ji...@apache.org> on 2022/11/18 09:53:00 UTC

[jira] [Created] (WICKET-7016) Support GCM-SIV for page store encryption

Emond Papegaaij created WICKET-7016:
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             Summary: Support GCM-SIV for page store encryption
                 Key: WICKET-7016
                 URL: https://issues.apache.org/jira/browse/WICKET-7016
             Project: Wicket
          Issue Type: Improvement
          Components: wicket-core
    Affects Versions: 9.12.0
            Reporter: Emond Papegaaij


The current ICrypter implementation uses AES-256 with CBC. Although this is still secure, GCM is now considered a better alternative. The big plus for GCM is the fact that it is an authenticated form of encryption: the encrypted data is verified with the key using a MAC. This makes the encrypted data tamper-proof. The downside of GCM is that it fails catastrophically if the nonce is reused for a certain key. This makes it dangerous to use random nonces. GCM-SIV fixes this at the expense of a slightly higher cost. Bouncy Castle has a good GCM-SIV implementation (the JDK does not).



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