Per-Store HMAC Key Derivation (security/key_derivation.py)
Derives deterministic 32‑byte HMAC keys per store from a master key using HKDF‑SHA256 with domain tags, ensuring isolation and preventing cross‑store replay attacks.
- Repository
- bernstein
- Language
- python
- SPDX licence
- Apache-2.0
- Quality score (dated snapshot)
- 9.7/10
- Category
- security
Review source and licence terms before reuse. View on the service