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feat(security): implement AES-256-GCM encryption for API keys and HMAC-signed session tokens

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This commit introduces:
- AES-256-GCM encryption for LLM provider API keys in the database.
- HMAC-SHA256 signed session tokens with activity-based refresh logic.
- Standardized frontend XSS protection using a global escapeHtml utility.
- Hardened security headers and request body size limits.
- Improved database integrity with foreign key enforcement and atomic transactions.
- Integration tests for the full encrypted key storage and proxy usage lifecycle.
This commit is contained in:
Dustin Newkirk
2026-03-06 14:17:56 -05:00
parent 149a7c3a29
commit 9b8483e797
28 changed files with 1260 additions and 227 deletions
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201
Cargo.lock generated
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