Glossary
User Master Key (UMK)
The key that wraps the per-file DEKs. Derived from the user's password (via scrypt) or recovery key. The server never holds the UMK in unwrapped form — that is the cryptographic basis for SkyeConnex's zero-knowledge property.
Related
- SkyeConnex Architecture — the technical deep-dive that situates this term in the full platform.
- How SkyeConnex Works — the step-by-step pipeline.
- Cryptographic Posture — every primitive in active use with its NIST/FIPS reference.
- Whitepaper v1.2 — the consolidated reference document.