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cryptokit

100 / 100 · Low risk

Fine to try.

By dpearson2699/swift-ios-skills (GitHub) · coding · 1,282 stars · scanned at commit 8d90fd1

Use Apple CryptoKit for Swift cryptographic primitives. Use when hashing with SHA-2 or SHA-3, generating HMACs, encrypting with AES-GCM or ChaChaPoly, signing with P256/P384/P521/Curve25519 or ML-DSA keys, performing ECDH, HPKE, ML-KEM, or X-Wing key exchange, using Secure Enclave CryptoKit keys, or migrating CommonCrypto code to CryptoKit.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'cryptokit' ] || [ -L ~/.agents/skills/'cryptokit' ]; then echo 'A skill folder named cryptokit already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/dpearson2699/swift-ios-skills' "$d" && git -C "$d" checkout --quiet '8d90fd121a263355a4fb44fd082af1416a5c1c2a' -- 'skills/cryptokit' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/cryptokit' ~/.agents/skills/'cryptokit' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'cryptokit' ~/.claude/skills/'cryptokit' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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