2629aabcc5
CRITICAL: - #1+#2: Consistency proof verification no longer a stub — implements actual hash chain reconstruction from proof hashes, rejects proofs that don't reconstruct to the expected root. GossipNode._verify_consistency now calls verify_consistency_proof() instead of just checking sizes. - #3: Remove passphrase.lower() from KDF — was silently discarding case entropy from mixed-case passphrases. Passphrases are now case-sensitive as users would expect. - #4: Federation gossip now applies record_filter (trust store check) on every received record before appending to the log. Untrusted attestor fingerprints are rejected with a warning. - #5: Killswitch disables all logging BEFORE activation to prevent audit log from recording killswitch activity that could survive an interrupted purge. Audit log destruction moved to position 4 (right after keys + flask secret, before other data). HIGH: - #6: CSRF exemption narrowed from entire dropbox blueprint to only the upload view function. Admin routes retain CSRF protection. - #7: /health endpoint returns only {"status":"ok"} to anonymous callers. Full operational report requires authentication. - #8: Metadata stripping now reconstructs image from pixel data only (Image.new + putdata), stripping XMP, IPTC, and ICC profiles — not just EXIF. - #9: Same as #6 (CSRF scope fix). MEDIUM: - #11: Receipt HMAC key changed from public upload token to server-side secret key, making valid receipts unforgeable by the source or anyone who captured the upload URL. - #12: Docker CMD no longer defaults to --no-https. HTTPS with self-signed cert is the default; --no-https requires explicit opt-in. - #14: shred return code now checked — non-zero exit falls through to the zero-overwrite fallback instead of silently succeeding. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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