swift-security
OfficialSecure client-side Apple security in Swift
System Documentation
What problem does it solve?
This skill provides authoritative guidance for implementing secure client-side Apple platform security using Keychain, biometric controls, and CryptoKit, helping developers avoid common AI-generated anti-patterns.
Core Features & Use Cases
It covers keychain item classes, ACLs, biometric binding with SecAccessControl, Secure Enclave-backed keys, CryptoKit symmetric and asymmetric operations, and certificate trust patterns, with real-world usage examples for credential storage, authentication, and device-bound secrets.
Quick Start
Store a biometric-protected secret in Keychain using SecAccessControl with biometryCurrentSet, then retrieve it via SecItemCopyMatching.
Dependency Matrix
Required Modules
None requiredComponents
💻 Claude Code Installation
Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.
Please help me install this Skill: Name: swift-security Download link: https://github.com/onymchat/onym-ios/archive/main.zip#swift-security Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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