This page lists "coding rules" for implementations of cryptographic operations, and more generally for operations involving secret or sensitive values. Use it to build a structured path from fundamentals to hands-on practice.

Vault is a tool for securely accessing secrets. A secret is anything that you want to tightly control access to, such as API keys, passwords, certificates, and more. Vault provides a unified interface to any secret, while providing tight access control and recording a detailed au. Use it as a repeatable review, validation or hardening pass.