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Posted to issues@camel.apache.org by "Andrea Cosentino (Jira)" <ji...@apache.org> on 2026/07/03 08:43:00 UTC

[jira] [Resolved] (CAMEL-23766) camel-crypto: use a constant-time comparison for HMAC verification in HMACAccumulator

     [ https://issues.apache.org/jira/browse/CAMEL-23766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrea Cosentino resolved CAMEL-23766.
--------------------------------------
    Resolution: Fixed

> camel-crypto: use a constant-time comparison for HMAC verification in HMACAccumulator
> -------------------------------------------------------------------------------------
>
>                 Key: CAMEL-23766
>                 URL: https://issues.apache.org/jira/browse/CAMEL-23766
>             Project: Camel
>          Issue Type: Improvement
>            Reporter: Andrea Cosentino
>            Assignee: Andrea Cosentino
>            Priority: Major
>             Fix For: 4.14.9, 4.18.4, 4.22.0
>
>
> HMACAccumulator.validate() compares the expected and actual MAC byte-by-byte with an early-exit loop. This proposes using java.security.MessageDigest.isEqual(...) for a constant-time comparison, which is the standard practice for MAC/signature verification.



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