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- Introduced DigestUpsertRequest for handling digest upsert requests with properties like ChannelId, Recipient, DigestKey, Events, and CollectUntil. - Created LockEntity to represent a lightweight distributed lock entry with properties such as Id, TenantId, Resource, Owner, ExpiresAt, and CreatedAt. feat: Implement ILockRepository interface and LockRepository class - Defined ILockRepository interface with methods for acquiring and releasing locks. - Implemented LockRepository class with methods to try acquiring a lock and releasing it, using SQL for upsert operations. feat: Add SurfaceManifestPointer record for manifest pointers - Introduced SurfaceManifestPointer to represent a minimal pointer to a Surface.FS manifest associated with an image digest. feat: Create PolicySimulationInputLock and related validation logic - Added PolicySimulationInputLock record to describe policy simulation inputs and expected digests. - Implemented validation logic for policy simulation inputs, including checks for digest drift and shadow mode requirements. test: Add unit tests for ReplayVerificationService and ReplayVerifier - Created ReplayVerificationServiceTests to validate the behavior of the ReplayVerificationService under various scenarios. - Developed ReplayVerifierTests to ensure the correctness of the ReplayVerifier logic. test: Implement PolicySimulationInputLockValidatorTests - Added tests for PolicySimulationInputLockValidator to verify the validation logic against expected inputs and conditions. chore: Add cosign key example and signing scripts - Included a placeholder cosign key example for development purposes. - Added a script for signing Signals artifacts using cosign with support for both v2 and v3. chore: Create script for uploading evidence to the evidence locker - Developed a script to upload evidence to the evidence locker, ensuring required environment variables are set.
65 lines
4.0 KiB
Markdown
65 lines
4.0 KiB
Markdown
# SBOM/VEX Spine Versioning Plan (SP1)
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## Purpose
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Establish versioned spine API/DTO schemas with migration rules, determinism guarantees, and DSSE-backed manifests, covering SP1–SP10 gaps from the 31-Nov-2025 findings advisory.
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## Scope
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- Spine APIs and DTOs shared by Scanner, Policy, Authority, and Graph.
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- Manifest/signing layers for spine bundles (online + offline).
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- Pagination/performance envelopes and Unknowns workflow.
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## Deliverables (SP tasks)
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- SP1: Versioned schemas + header/version negotiation rules; deprecation timetable.
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- SP2: Evidence requirements per predicate/edge (reachability proof, package identity, build metadata) with MUST/SHOULD fields.
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- SP3: Unknowns registry contract (states, SLA, surfacing rules, expiry/decay).
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- SP4: DSSE-signed spine manifest listing hashes for all artifacts; Rekor/mirror policy hooks.
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- SP5: Deterministic diff rules + fixtures (ordered deltas, canonical sorting, hash expectations).
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- SP6: Feed snapshot freshness/staleness thresholds and validation steps.
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- SP7: Stage-by-stage DSSE requirements, Rekor/mirror policy matrices (online/offline).
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- SP8: Policy lattice version field and embedding rules in spine objects.
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- SP9: Pagination/ordering/perf budgets (stable sort keys, default page size limits, deterministic cursors).
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- SP10: Crosswalk mappings SBOM ↔ VEX ↔ graph ↔ policy (table + sample payloads).
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## Migration & Determinism
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- Version headers and DTO version fields must be required; rejects if missing or downgraded without declared adapter.
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- Canonical JSON ordering for manifests; hashes computed over canonical form (UTF-8, no BOM).
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- Pagination uses deterministic primary/secondary sort keys; cursors are opaque, HMAC-free, reproducible from sort key + last id.
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### Versioning mechanics (v0.1)
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- Header: `X-Spine-Version: v1` (required). DTO field mirror: `schemaVersion` (string, semver).
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- Deprecation window: N-1 supported for 90 days; adapters required to downgrade v2→v1 (CSV in `docs/modules/policy/fixtures/spine-adapters/`).
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- Hashing: canonical JSON, sorted properties, UTF-8 no BOM, normalized decimals (4dp), timestamps UTC ISO-8601.
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### Evidence minima per edge (SP2, draft)
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- `reachability`: state, confidence, score, method, evidenceRef (hash or URI), runtimeEvidence flag (bool).
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- `package_identity`: purl, name, version, supplier, hashes[] (at least SHA256).
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- `build_metadata`: buildId, sourceRepo, sourceRef, buildInvokerHash, provenanceHash (DSSE).
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### Unknowns workflow (SP3, draft)
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- States: `unknown`, `under_review`, `resolved`, `expired`.
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- SLA: auto-review escalation after 7 days; decay to `expired` at 30 days unless refreshed.
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- Surfacing: APIs must include `unknowns.count` and list endpoint with deterministic pagination; optional policy lattice flag to penalize unknowns.
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### Signing (SP4/SP7)
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- Manifest structure: list of artifacts (type, id, hash, version, uri), signed using DSSE/ED25519 by default; Rekor optional online, mirrored checkpoints offline.
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- Stage policy: compile → ingest → materialize → export; each stage produces DSSE, carries prior stage hash for chain-of-custody.
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### Pagination/perf budgets (SP9)
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- Default page size 200; max 500; stable sort: tenant asc, subjectPurl asc, advisoryId asc, createdAt asc.
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- Cursors: base64-encoded tuple of sort keys; must round-trip deterministically.
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### Crosswalk (SP10)
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- Provide table mapping: SBOM component ↔ spine node ↔ graph node ↔ policy evaluation input; include sample payloads in `docs/modules/policy/fixtures/spine-crosswalk/`.
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## Signing & Offline
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- DSSE envelope mandatory for spine manifest; Rekor entry optional online, mirrored checkpoints for offline kits.
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- Mirror bundles carry: manifest hash list, time-anchor digest, toolkit hashes, version map for adapters.
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## Open Items
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- Finalize evidence minima per predicate with Signals/Reachability guild once runtime schema lands.
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- Confirm lattice versioning alignment with policy engine release cadence.
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## Links
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- Sprint: `docs/implplan/SPRINT_0186_0001_0001_record_deterministic_execution.md` (SP1–SP10)
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- Advisory: `docs/product-advisories/31-Nov-2025 FINDINGS.md`
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