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Swift security: Keychain, biometrics and CryptoKit v1.0.0

Use this resource to secure secret storage and network trust on iOS and macOS

New

  • 599 downloads
  • 178 likes
  • 134 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install swift-keychain-security

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent applies the rules of Keychain Services, biometric authentication and CryptoKit to your Swift code. It checks common mistakes and the review checklist, then maps the findings to OWASP MASVS compliance. You get secure storage and access code, with the references to consult.

Mostly picked by

Updated November 2, 2026

Card for the “Swift security: Keychain, biometrics and CryptoKit” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: workflow, security invariants and review checklist of common mistakes
  • references/: Keychain (access, sharing, item classes), CryptoKit, certificate trust and OWASP MASVS mapping

Good fit for

  • You store OAuth tokens or API keys in an iOS app
  • You are migrating secrets from UserDefaults or a plist file

Not for

    Tags

    • swift
    • keychain
    • ios
    • security

    About

    You say

    “Store this OAuth token in the Keychain, with access protected by Face ID.”

    Card for the “Swift security: Keychain, biometrics and CryptoKit” skill

    Skill published by dpearson2699 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to secure secret storage and network trust on iOS and macOS
    3. Review and adjust the result

    Content preview

    Files

    • evals/evals.json4.7 KB
    • LICENSE4.6 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/biometric-authentication.md29.2 KB
    • references/certificate-trust.md31.9 KB
    • references/common-anti-patterns.md31.7 KB
    • references/compliance-owasp-mapping.md39.1 KB
    • references/credential-storage-patterns.md43.8 KB
    • references/cryptokit-public-key.md35 KB
    • references/cryptokit-symmetric.md29.4 KB
    • references/keychain-access-control.md33.5 KB
    • references/keychain-fundamentals.md30.7 KB
    • references/keychain-item-classes.md33.4 KB
    • references/keychain-sharing.md32.6 KB
    • references/migration-legacy-stores.md37.8 KB
    • references/secure-enclave.md32.7 KB
    • references/testing-security-code.md36 KB
    • SKILL.md12.9 KB

    Origin and licence

    Listed unmodified

    Author
    dpearson2699
    Source
    github.com/dpearson2699/swift-ios-skills/tree/8d90fd121a263355a4fb44fd082af1416a5c1c2a/skills/swift-security
    Licence
    MIT

    Notice

    « swift-security » (dpearson2699, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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