Add support for ГОСТ Р 34.10 digital signatures

- 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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# Sprint 117 - Ingestion & Evidence · 110.B) Concelier.VI
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.B) Concelier.VI
Depends on: Sprint 110.B - Concelier.V
Summary: Ingestion & Evidence focus on Concelier (phase VI).
Task ID | State | Task description | Owners (Source)
--- | --- | --- | ---
CONCELIER-WEB-OBS-53-001 `Evidence locker integration` | TODO | Add `/evidence/advisories/*` routes invoking evidence locker snapshots, verifying tenant scopes (`evidence:read`), and returning signed manifest metadata. Dependencies: CONCELIER-WEB-OBS-52-001. | Concelier WebService Guild, Evidence Locker Guild (src/Concelier/StellaOps.Concelier.WebService)
CONCELIER-WEB-OBS-54-001 `Attestation exposure` | TODO | Provide `/attestations/advisories/*` read APIs surfacing DSSE status, verification summary, and provenance chain for Console/CLI. Dependencies: CONCELIER-WEB-OBS-53-001. | Concelier WebService Guild (src/Concelier/StellaOps.Concelier.WebService)
CONCELIER-WEB-OBS-55-001 `Incident mode toggles` | TODO | Implement incident mode toggle endpoints, propagate to orchestrator/locker, and document cooldown/backoff semantics. Dependencies: CONCELIER-WEB-OBS-54-001. | Concelier WebService Guild, DevOps Guild (src/Concelier/StellaOps.Concelier.WebService)
FEEDCONN-CCCS-02-009 Version range provenance (Oct 2025) | BE-Conn-CCCS | **TODO (due 2025-10-21)** Map CCCS advisories into the new `advisory_observations.affected.versions[]` structure, preserving each upstream range with provenance anchors (`cccs:{serial}:{index}`) and normalized comparison keys. Update mapper tests/fixtures for the Link-Not-Merge schema and verify linkset builders consume the ranges without relying on legacy merge counters.<br>2025-10-29: `docs/dev/normalized-rule-recipes.md` now documents helper snippets for building observation version entries—use them instead of merge-specific builders and refresh fixtures with `UPDATE_CCCS_FIXTURES=1`. | CONCELIER-LNM-21-001 (src/Concelier/__Libraries/StellaOps.Concelier.Connector.Cccs)
FEEDCONN-CERTBUND-02-010 Version range provenance | BE-Conn-CERTBUND | **TODO (due 2025-10-22)** Translate `product.Versions` phrases (e.g., `2023.1 bis 2024.2`, `alle`) into comparison helpers for `advisory_observations.affected.versions[]`, capturing provenance (`certbund:{advisoryId}:{vendor}`) and localisation notes. Update mapper/tests for the Link-Not-Merge schema and refresh documentation accordingly. | CONCELIER-LNM-21-001 (src/Concelier/__Libraries/StellaOps.Concelier.Connector.CertBund)
FEEDCONN-CISCO-02-009 SemVer range provenance | BE-Conn-Cisco | **DOING (2025-11-08)** Emitting Cisco SemVer ranges into `advisory_observations.affected.versions[]` with provenance identifiers (`cisco:{productId}`) and deterministic comparison keys. Updating mapper/tests for the Link-Not-Merge schema and replacing legacy merge counter checks with observation/linkset validation. | CONCELIER-LNM-21-001 (src/Concelier/__Libraries/StellaOps.Concelier.Connector.Vndr.Cisco)
FEEDMERGE-COORD-02-901 Connector deadline check-ins | DROPPED (2025-11-07) | Scope removed: FeedMerge coordination requires an AOC policy that does not exist yet. Re-open once governance/ownership is defined. | —
FEEDMERGE-COORD-02-902 ICS-CISA version comparison support | DROPPED (2025-11-07) | Blocked on FEEDMERGE policy/ownership; dropped alongside 02-901. | —
FEEDMERGE-COORD-02-903 KISA firmware scheme review | DROPPED (2025-11-07) | Blocked on FEEDMERGE policy/ownership; dropped alongside 02-901. | —
DOCS-LNM-22-008 | DONE (2025-11-03) | Write `/docs/migration/no-merge.md` describing migration plan, backfill steps, rollback procedures, and feature-flag toggles for Link-Not-Merge rollout. | Docs Guild, DevOps Guild (docs)
CONCELIER-WEB-OBS-53-001 `Evidence locker integration` | TODO | Add `/evidence/advisories/*` routes that proxy evidence locker snapshots, verify `evidence:read` scopes, and return signed manifest metadata—no shortcut paths into raw storage. Depends on CONCELIER-WEB-OBS-52-001. | Concelier WebService Guild, Evidence Locker Guild (src/Concelier/StellaOps.Concelier.WebService)
CONCELIER-WEB-OBS-54-001 `Attestation exposure` | TODO | Provide `/attestations/advisories/*` endpoints surfacing DSSE status, verification summary, and provenance chain so CLI/Console can audit trust without hitting databases. Depends on CONCELIER-WEB-OBS-53-001. | Concelier WebService Guild (src/Concelier/StellaOps.Concelier.WebService)
CONCELIER-WEB-OBS-55-001 `Incident mode toggles` | TODO | Implement incident-mode APIs that coordinate ingest, locker, and orchestrator, capturing activation events + cooldown semantics but leaving evidence untouched. Depends on CONCELIER-WEB-OBS-54-001. | Concelier WebService Guild, DevOps Guild (src/Concelier/StellaOps.Concelier.WebService)
FEEDCONN-CCCS-02-009 `Version range provenance (Oct 2025)` | TODO | Emit CCCS version ranges into `advisory_observations.affected.versions[]` with provenance anchors (`cccs:{serial}:{index}`) and normalized comparison keys per the Link-Not-Merge schema/doc recipes. Depends on CONCELIER-LNM-21-001. | Concelier Connector Guild CCCS (src/Concelier/__Libraries/StellaOps.Concelier.Connector.Cccs)
FEEDCONN-CERTBUND-02-010 `Version range provenance` | TODO | Translate CERT-Bund `product.Versions` phrases into normalized ranges + provenance identifiers (`certbund:{advisoryId}:{vendor}`) while retaining localisation notes; update mapper/tests for Link-Not-Merge. Depends on CONCELIER-LNM-21-001. | Concelier Connector Guild CertBund (src/Concelier/__Libraries/StellaOps.Concelier.Connector.CertBund)
FEEDCONN-CISCO-02-009 `SemVer range provenance` | DOING (2025-11-08) | Emit Cisco SemVer ranges into the new observation schema with provenance IDs (`cisco:{productId}`) and deterministic comparison keys; refresh fixtures to remove merge counters. Depends on CONCELIER-LNM-21-001. | Concelier Connector Guild Cisco (src/Concelier/__Libraries/StellaOps.Concelier.Connector.Vndr.Cisco)
DOCS-LNM-22-008 `No-merge migration doc` | DONE (2025-11-03) | Documented Link-Not-Merge migration plan in `docs/migration/no-merge.md`; keep synced with ongoing tasks. | Docs Guild, DevOps Guild (docs)