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When debug logging is enabled, decode the COSE protected header after successfully verifying a backup signature in verify_root_signatures() and log the TxID and issued-at timestamp (formatted as x509 time string). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Only decode the COSE protected header to extract iat when DEBUG logging is enabled, avoiding unnecessary work on the hot path. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
cjen1-msft
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Apr 2, 2026
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Pull request overview
This PR adds optional DEBUG-level logging during COSE root signature verification in the node history component, to surface receipt metadata (TxID and issuance time) when available.
Changes:
- Adds receipt decoding and DEBUG log on successful COSE signature verification.
- Adds X.509 time formatting for the logged
iattimestamp. - Includes COSE receipt decoding utilities needed for the debug-only path.
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