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up the blokcing tasks
2025-12-11 02:32:18 +02:00

1.5 KiB

Entropy Evidence Transport Contract

Purpose: unblock SCAN-ENTROPY-186-012 by defining worker → webservice transport for entropy reports.

Endpoint

  • POST /api/v1/scans/{scanId}/entropy
  • Headers: X-Tenant-Id, Content-Type: application/json
  • Body: EntropyReportRequest

EntropyReportRequest (JSON)

  • subject_digest (string, required) — image digest.
  • report_path (string, required) — relative path inside replay bundle (e.g., artifacts/entropy.report.json).
  • hash (string, required) — SHA256 hex of the report file.
  • penalties (object) — { overall: number, layers: [{ digest, score, high_entropy_regions: [ { offset, length, reason } ] }] }.
  • created_at (string, ISO-8601 UTC).
  • tool: { id, version, rng_seed, max_parallel }.

WebService behavior

  • Validate tenant, scanId, subject_digest matches scan record.
  • Validate SHA256 by re-reading report from bundle if available; else accept hash and queue verification job.
  • Persist entropy metadata with scan record and attach to replay manifest.
  • Respond 202 Accepted with { status_url }; return 409 if entropy already recorded for scanId+subject_digest.

Error handling

  • 400 malformed request; 401/403 auth; 404 scan not found; 422 hash mismatch; 500 transient CAS/read errors.

Determinism

  • No clocks added server-side; use provided created_at.
  • No recalculation of entropy; only verification.
  • Log deterministic reasons for rejection to aid reproducible replay.