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Add support for ГОСТ Р 34.10 digital signatures

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- Implemented the GostKeyValue class for handling public key parameters in ГОСТ Р 34.10 digital signatures.
- Created the GostSignedXml class to manage XML signatures using ГОСТ 34.10, including methods for computing and checking signatures.
- Developed the GostSignedXmlImpl class to encapsulate the signature computation logic and public key retrieval.
- Added specific key value classes for ГОСТ Р 34.10-2001, ГОСТ Р 34.10-2012/256, and ГОСТ Р 34.10-2012/512 to support different signature algorithms.
- Ensured compatibility with existing XML signature standards while integrating ГОСТ cryptography.
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2025-11-09 21:59:57 +02:00
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# Sprint 119 - Ingestion & Evidence · 110.C) Excititor.I
Active items only. Completed/historic work now resides in docs/implplan/archived_sprints_tasks.md (updated 2025-11-08).
Active items only. Completed/historic work now resides in docs/implplan/archived/tasks.md (updated 2025-11-08).
[Ingestion & Evidence] 110.C) Excititor.I
Depends on: Sprint 100.A - Attestor
@@ -8,18 +8,14 @@ Summary: Ingestion & Evidence focus on Excititor (phase I).
> **Prep:** Read `docs/modules/excititor/architecture.md` and the relevant Excititor `AGENTS.md` files (per component directory) before working any tasks below; this preserves the guidance that previously lived in the component boards.
Task ID | State | Task description | Owners (Source)
--- | --- | --- | ---
EXCITITOR-AIAI-31-001 `Justification enrichment` | DOING (2025-11-09) | Expose normalized VEX justifications, product trees, and paragraph anchors for Advisory AI conflict explanations. | Excititor WebService Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIAI-31-002 `VEX chunk API` | TODO | Provide `/vex/evidence/chunks` endpoint returning tenant-scoped VEX statements with signature metadata and scope scores for RAG. Dependencies: EXCITITOR-AIAI-31-001. | Excititor WebService Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIAI-31-003 `Telemetry` | TODO | Emit metrics/logs for VEX chunk usage, signature verification failures, and guardrail triggers. Dependencies: EXCITITOR-AIAI-31-002. | Excititor WebService Guild, Observability Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIRGAP-56-001 `Mirror ingestion adapters` | TODO | Add mirror-based VEX ingestion, preserving statement digests and bundle IDs. | Excititor Core Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-AIRGAP-56-002 `Bundle provenance` | TODO | Persist bundle metadata on VEX observations/linksets with provenance references. Dependencies: EXCITITOR-AIRGAP-56-001. | Excititor Core Guild, AirGap Importer Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-AIRGAP-57-001 `Sealed-mode enforcement` | TODO | Block non-mirror connectors in sealed mode and surface remediation errors. Dependencies: EXCITITOR-AIRGAP-56-002. | Excititor Core Guild, AirGap Policy Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-AIRGAP-57-002 `Staleness annotations` | TODO | Annotate VEX statements with staleness metrics and expose via API. Dependencies: EXCITITOR-AIRGAP-57-001. | Excititor Core Guild, AirGap Time Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-AIRGAP-58-001 `Portable VEX evidence` | TODO | Package VEX evidence segments into portable evidence bundles linked to timeline. Dependencies: EXCITITOR-AIRGAP-57-002. | Excititor Core Guild, Evidence Locker Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-ATTEST-01-003 – Verification suite & observability | Team Excititor Attestation | TODO (2025-11-06) – Continuing implementation: build `IVexAttestationVerifier`, wire metrics/logging, and add regression tests. Draft plan in `EXCITITOR-ATTEST-01-003-plan.md` (2025-10-19) guides scope; updating with worknotes as progress lands.<br>2025-10-31: Verifier now tolerates duplicate source providers from AOC raw projections, downgrades offline Rekor verification to a degraded result, and enforces trusted signer registry checks with detailed diagnostics/tests.<br>2025-11-05 14:35Z: Resuming with diagnostics/observability deliverables (typed diagnostics record, ActivitySource wiring, metrics dimensions) before WebService/Worker integration.<br>2025-11-06 07:12Z: Worker & web service suites pass with new diagnostics (`dotnet test` via staged libssl1.1); export envelope context exposed publicly for mirror bundle publishing.<br>2025-11-06 07:55Z: Paused—automation for OpenSSL shim tracked under `DEVOPS-OPENSSL-11-001/002`. | EXCITITOR-ATTEST-01-002 (src/Excititor/__Libraries/StellaOps.Excititor.Attestation)
EXCITITOR-ATTEST-73-001 `VEX attestation payloads` | TODO | Provide VEX statement metadata (supplier identity, justification, scope) required for VEXAttestation payloads. Dependencies: EXCITITOR-ATTEST-01-003. | Excititor Core Guild, Attestation Payloads Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-ATTEST-73-002 `Chain provenance` | TODO | Expose linkage from VEX statements to subject/product for chain of custody graph. Dependencies: EXCITITOR-ATTEST-73-001. | Excititor Core Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-CONN-MS-01-003 – Trust metadata & provenance hints | Team Excititor Connectors – MSRC | TODO – Emit cosign/AAD issuer metadata, attach provenance details, and document policy integration. | EXCITITOR-CONN-MS-01-002, EXCITITOR-POLICY-01-001 (src/Excititor/__Libraries/StellaOps.Excititor.Connectors.MSRC.CSAF)
EXCITITOR-CONN-ORACLE-01-003 – Trust provenance enrichment | Team Excititor Connectors – Oracle | TODO – Emit Oracle signing metadata (PGP/cosign fingerprint list, issuer trust tier) into raw provenance so downstream services can evaluate trust. Connector must not apply consensus weighting during ingestion. | EXCITITOR-CONN-ORACLE-01-002, EXCITITOR-POLICY-01-001 (src/Excititor/__Libraries/StellaOps.Excititor.Connectors.Oracle.CSAF)
EXCITITOR-CONN-STELLA-07-002 | TODO | Parse mirror bundles into raw `VexClaim` batches, preserving original provider metadata and mirror provenance without applying consensus or weighting. | Excititor Connectors – Stella (src/Excititor/StellaOps.Excititor.Connectors.StellaOpsMirror)
EXCITITOR-CONN-STELLA-07-003 | TODO | Implement incremental cursor handling per-export digest for raw claim replays, support resume, and document configuration for downstream Excititor mirrors. Dependencies: EXCITITOR-CONN-STELLA-07-002. | Excititor Connectors – Stella (src/Excititor/StellaOps.Excititor.Connectors.StellaOpsMirror)
EXCITITOR-AIAI-31-001 `Justification enrichment` | DOING (2025-11-09) | Expose normalized VEX justifications, product scope trees, and paragraph/JSON-pointer anchors via `VexObservation` projections so Advisory AI can cite raw evidence without invoking any consensus logic. | Excititor WebService Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIAI-31-002 `VEX chunk API` | TODO | Ship `/vex/evidence/chunks` with tenant/policy filters that streams raw statements, signature metadata, and scope scores for Retrieval-Augmented Generation clients; response must stay aggregation-only and reference observation/linkset IDs. Depends on EXCITITOR-AIAI-31-001. | Excititor WebService Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIAI-31-003 `Telemetry & guardrails` | TODO | Instrument the new evidence APIs with request counters, chunk sizes, signature verification failure meters, and AOC guard violations so Lens/Advisory AI teams can detect misuse quickly. Depends on EXCITITOR-AIAI-31-002. | Excititor WebService Guild, Observability Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIAI-31-004 `Schema & docs alignment` | TODO | Update OpenAPI/SDK/docs to codify the Advisory-AI evidence contract (fields, determinism guarantees, pagination) and describe how consumers map observation IDs back to raw storage. | Excititor WebService Guild, Docs Guild (src/Excititor/StellaOps.Excititor.WebService)
EXCITITOR-AIRGAP-56-001 `Mirror-first ingestion` | TODO | Wire mirror bundle ingestion paths that preserve upstream digests, bundle IDs, and provenance metadata exactly so offline Advisory-AI/Lens deployments can replay evidence with AOC parity. | Excititor Core Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-AIRGAP-57-001 `Sealed-mode enforcement` | TODO | Enforce sealed-mode policies that disable external connectors, emit actionable remediation errors, and record staleness annotations that Advisory AI can surface as “evidence freshness” signals. Depends on EXCITITOR-AIRGAP-56-001. | Excititor Core Guild, AirGap Policy Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-AIRGAP-58-001 `Portable evidence bundles` | TODO | Package tenant-scoped VEX evidence (raw JSON, normalization diff, provenance) into portable bundles tied to timeline events so Advisory AI can hydrate contexts in sealed environments. Depends on EXCITITOR-AIRGAP-57-001. | Excititor Core Guild, Evidence Locker Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-ATTEST-01-003 `Verification suite & observability` | TODO (2025-11-06) | Finish `IVexAttestationVerifier`, wire structured diagnostics/metrics, and prove we can verify DSSE bundles for every evidence batch without touching consensus results (see `EXCITITOR-ATTEST-01-003-plan.md`). | Excititor Attestation Guild (src/Excititor/__Libraries/StellaOps.Excititor.Attestation)
EXCITITOR-ATTEST-73-001 `VEX attestation payloads` | TODO | Emit attestation payloads that capture supplier identity, justification summary, and scope metadata so downstream Lens/Policy jobs can chain trust without Excititor interpreting the evidence. Depends on EXCITITOR-ATTEST-01-003. | Excititor Core Guild, Attestation Payloads Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-ATTEST-73-002 `Chain provenance` | TODO | Provide APIs that link attestation IDs back to observation/linkset/product tuples, enabling Advisory AI to cite provenance without any derived verdict. Depends on EXCITITOR-ATTEST-73-001. | Excititor Core Guild (src/Excititor/__Libraries/StellaOps.Excititor.Core)
EXCITITOR-CONN-TRUST-01-001 `Connector provenance parity` | TODO | Update MSRC, Oracle, Ubuntu, and Stella mirror connectors to emit signer fingerprints, issuer tiers, and bundle references while remaining aggregation-only; document how Lens consumers should interpret these hints. | Excititor Connectors Guild (src/Excititor/__Libraries/StellaOps.Excititor.Connectors.*)