axiom-security
Security & Credentials
You MUST use this skill for ANY keychain, encryption, passkey, app integrity, file protection, or code signing work.
Quick Reference
| Symptom / Task | Reference |
|---|---|
| Store tokens, passwords, API keys securely | See skills/keychain.md |
| Choose kSecAttrAccessible level, biometric protection | See skills/keychain.md |
| SecItem function signatures, attribute constants | See skills/keychain-ref.md |
| errSecDuplicateItem, errSecItemNotFound, errSecInteractionNotAllowed | See skills/keychain-diag.md |
| Encrypt data, sign payloads, key management | See skills/cryptokit.md |
| Hash functions, HMAC, AES-GCM, ChaChaPoly, ECDSA, EdDSA, key agreement | See skills/cryptokit-ref.md |
| Passkey sign-in, WebAuthn, ASAuthorizationController | See skills/passkeys.md |
| App integrity verification, DCAppAttestService | See skills/app-attest.md |
| NSFileProtection levels, data protection at rest | See skills/file-protection-ref.md |
| Certificate management, provisioning profiles, CI/CD signing | See skills/code-signing.md |
| Certificate not found, profile mismatch, entitlement errors | See skills/code-signing-diag.md |
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