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git.stella-ops.org/docs/implplan/SPRINT_513_provenance.md
master cef4cb2c5a 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.
2025-11-09 21:59:57 +02:00

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Sprint 513 - Ops & Offline · 190.H) Provenance

Active items only. Completed/historic work now resides in docs/implplan/archived/tasks.md (updated 2025-11-08).

[Ops & Offline] 190.H) Provenance Depends on: Sprint 100.A - Attestor, Sprint 110.A - AdvisoryAI, Sprint 120.A - AirGap, Sprint 130.A - Scanner, Sprint 140.A - Graph, Sprint 150.A - Orchestrator, Sprint 160.A - EvidenceLocker, Sprint 170.A - Notifier, Sprint 180.A - Cli Summary: Ops & Offline focus on Provenance).

Task ID State Task description Owners (Source)
PROV-OBS-53-001 TODO Implement DSSE/SLSA BuildDefinition + BuildMetadata models with canonical JSON serializer, Merkle digest helpers, and deterministic hashing tests. Publish sample statements for orchestrator/job/export subjects. Provenance Guild (src/Provenance/StellaOps.Provenance.Attestation)
PROV-OBS-53-002 TODO Build signer abstraction (cosign/KMS/offline) with key rotation hooks, audit logging, and policy enforcement (required claims). Provide unit tests using fake signer + real cosign fixture. Dependencies: PROV-OBS-53-001. Provenance Guild, Security Guild (src/Provenance/StellaOps.Provenance.Attestation)
PROV-OBS-54-001 TODO Deliver verification library that validates DSSE signatures, Merkle roots, and timeline chain-of-custody, exposing reusable CLI/service APIs. Include negative-case fixtures and offline timestamp verification. Dependencies: PROV-OBS-53-002. Provenance Guild, Evidence Locker Guild (src/Provenance/StellaOps.Provenance.Attestation)
PROV-OBS-54-002 TODO Generate .NET global tool for local verification + embed command helpers for CLI stella forensic verify. Provide deterministic packaging and offline kit instructions. Dependencies: PROV-OBS-54-001. Provenance Guild, DevEx/CLI Guild (src/Provenance/StellaOps.Provenance.Attestation)