Final Wrap-Up: Security Checklist

Before declaring the vault ready, verify:

• Master key is not hardcoded anywhere.
• Storage file has restrictive permissions (owner-only).
• No secrets are written to logs or stdout.
• Input validation is in place for names and sizes.
• Tests cover key edge cases and failure modes.
• Dependency checks (pip-audit) are clean.

✅ Final Lesson: A short checklist prevents regressions and keeps security durable.