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semi implemented and features implemented save checkpoint

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2026-02-08 18:00:49 +02:00
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# Binary Intelligence Graph / Binary Identity Indexing
## Module
BinaryIndex
## Status
IMPLEMENTED
## Description
Complete BinaryIndex module with binary identity indexing, ELF feature extraction, vulnerability fingerprint matching, and reachability status tracking. Advisory marked as SUPERSEDED by this implementation.
## Implementation Details
- **Modules**: `src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Core/`, `src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Persistence/`, `src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Analysis/`
- **Key Classes**:
- `BinaryIdentityService` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Core/Services/BinaryIdentityService.cs`) - binary identity management
- `ElfFeatureExtractor` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Core/Services/ElfFeatureExtractor.cs`) - ELF feature extraction
- `BinaryVulnerabilityService` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Persistence/Services/BinaryVulnerabilityService.cs`) - vulnerability matching with Build-ID catalog lookups
- `SignatureMatcher` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Analysis/SignatureMatcher.cs`) - signature-based vulnerability fingerprint matching
- `ReachGraphBinaryReachabilityService` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Analysis/ReachGraphBinaryReachabilityService.cs`) - reachability status tracking
- **Models**: `BinaryIdentity`, `FixModels` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Core/Models/`)
- **Persistence**: `IBinaryVulnAssertionRepository`, `IBinaryVulnerabilityService` (`src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Core/Services/`)
## E2E Test Plan
- [ ] Verify end-to-end flow: submit binary, extract identity, index in the graph, and query by Build-ID
- [ ] Verify vulnerability fingerprint matching via `SignatureMatcher` returns correct match scores
- [ ] Verify reachability status tracking integrates with ReachGraph
- [ ] Verify `BinaryVulnerabilityService` correctly maps match methods (buildid_catalog, delta_signature, etc.)
- [ ] Verify binary identity indexing supports multi-tenant contexts via `ITenantContext`