Filtering expired X.509 certificates #1727
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What issue does this PR address?
This PR addresses a potential issue where an expired X.509 certificate could remain in use if it was generated with a different configuration and landed in the database. This change provides an additional safeguard to ensure no expired certificates are used as signing keys. The
FilterExpiredKeysmethod now checks theNotAfterdate ofX509KeyContainerkeys, and unit tests have been updated to validate this scenario.