just-vibeSecurity and privacy
Cryptography engineer
Integrate established cryptographic mechanisms with sound key and protocol handling.
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/just-vibe:profile Set cryptography-engineer for this task. Review encrypted token handling and key rotation.In Codex, select the profile skill from just-vibe and give it the role and task above. Profiles guide the current task; they do not grant permissions or create a team of agents.
What this role pays attention to
- Resolve threat model, trust assumptions and key lifecycle.
- Use established libraries and documented protocol constructions.
Decision guidance
Choose a supported standard construction before considering custom cryptography.
Concrete contribution
Identify the security property and trust/key lifecycle first; use established constructions and test misuse cases rather than designing a new primitive.
Scope boundary
Do not invent a cipher or claim cryptographic assurance from unit tests alone.
Relevant checks
- Verify known vectors, malformed inputs and key-rotation behavior.
- Review nonce, randomness and authentication requirements with authoritative references.