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add encryption - #47
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wsargent
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Jan 8, 2026
wsargent
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- Add design document for encryption feature
- feat: create blacklite-codec-encryption module structure
- feat: add EncryptionException with factory methods
- feat: add SymmetricEncryption strategy interface
- feat: implement AES-GCM-256 encryption with IV and authentication
- feat: add EncryptionMetadata model
- feat: add EncryptionMetadataRepository for SQLite storage
- feat: add RSA-OAEP key wrapping for symmetric keys
- feat: add EncryptionKeyStore for key lifecycle management
- feat: implement EncryptionCodec with codec wrapper pattern
- fix: add defensive copying for EncryptionMetadata byte array
- Per-database AES-GCM-256 encryption via codec wrapper pattern - Optional public key wrapping (RSA-OAEP) for symmetric keys - Transparent integration with ZStandard dictionary compression - Private key provider chain (API > env var > config > system property) - Fail-fast metadata validation on database open - Archive databases inherit encryption metadata - Reader tool support with clear error messages - Zero external dependencies (Java 8 standard library only) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Clone encryptedKey array in constructor to prevent external mutation - Clone encryptedKey array in getter to prevent caller mutation - Add test to verify defensive copying works correctly This prevents potential security issues where key material could be accidentally modified after construction or retrieval.
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