Is constant-time-analysis safe to install?

No critical findings, some security notes. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.

How was this score calculated?

Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.

Is this report current?

It was made from commit 5c99c03 on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.

I wrote this skill. Can I fix the score or have the page removed?

Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

Scan reports · trailofbits/skills

constant-time-analysis: scan report

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… An automated scan of this public skill from trailofbits/skills: security, token cost, spec and clarity, with every finding and its fix.

Result

Verdict

constant-time-analysis

71/100 · grade C

trailofbits/skills/plugins/constant-time-analysis/skills/constant-time-analysis at 5c99c03

Spec 21 · Efficiency 25 · Clarity 25 · Security 0 (each out of 25)

Always loaded 83 tokens · on trigger 3,184 · on demand 14,027

sec/secret-read warn · references/swift.md:175Touches credential files.
sec/persistence warn · references/vm-compiled.md:247Installs persistence or edits shell/agent config.
sec/permissions warn · references/kotlin.md:209Escalates permissions.
sec/permissions warn · references/php.md:43Escalates permissions.
sec/permissions warn · references/vm-compiled.md:236Escalates permissions.
sec/obfuscation warn · references/javascript.md:60Decodes or evaluates hidden code. Reads as an example or a warning here; check it in context.
spec/non-portable-keys warn · SKILL.mdNon-spec frontmatter (effort). claude.ai and the Skills API reject the upload; move them under `metadata` or drop them.

Where it comes from

Source

Fact	Value
Repository	trailofbits/skills
Skill folder	plugins/constant-time-analysis/skills/constant-time-analysis
Stars	7,641
License	CC-BY-SA-4.0
Commit scanned	5c99c03
Scanned	2026-10-19
Files	11

ProSkills doesn't host or redistribute this skill. Get it from its repository, and check the license before reusing it. Something wrong here? Open an issue for a rescan or removal.

For maintainers

Badge for the README

If you maintain this skill, this badge shows its score and links to this report. Fix findings and the score moves with the next scan.

[![ProSkills scan 71/100](https://proskills.dev/badge?score=71)](https://proskills.dev/reports/trailofbits-constant-time-analysis)

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FAQ

Questions

Is constant-time-analysis safe to install?: No critical findings, some security notes. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.
How was this score calculated?: Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.
Is this report current?: It was made from commit 5c99c03 on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.
I wrote this skill. Can I fix the score or have the page removed?: Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

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