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constant-time-analysis

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By kursku/skills (GitHub) · coding · 128 stars · scanned at commit 346c313

Detects timing side-channel vulnerabilities in cryptographic code. Use when implementing or reviewing crypto code, encountering division on secrets, secret-dependent branches, or constant-time programming questions in C, C++, Go, Rust, Swift, Java, Kotlin, C#, PHP,...

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'constant-time-analysis' ] || [ -L ~/.agents/skills/'constant-time-analysis' ]; then echo 'A skill folder named constant-time-analysis already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/kursku/skills' "$d" && git -C "$d" checkout --quiet '346c313fd2ec241a088c68274da26c538422568b' -- 'packs/global-skillshare-import/wave-004/constant-time-analysis' && mkdir -p ~/.agents/skills && cp -R "$d"/'packs/global-skillshare-import/wave-004/constant-time-analysis' ~/.agents/skills/'constant-time-analysis' && 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/'constant-time-analysis' ~/.claude/skills/'constant-time-analysis' (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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