Constant Time Testing
Rapidly assesses code changes for regressions and vulnerabilities using pre-defined, consistently fast test suites.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add constant-time-testing npx -- -y @trustedskills/constant-time-testing
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"constant-time-testing": {
"command": "npx",
"args": [
"-y",
"@trustedskills/constant-time-testing"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The constant-time-testing skill enables AI agents to perform security testing in a way that avoids timing side-channel vulnerabilities. It ensures that operations take the same amount of time regardless of input, preventing attackers from inferring sensitive data based on execution time.
When to use it
- Testing cryptographic functions where timing leaks could expose secrets like encryption keys.
- Validating secure implementations of algorithms such as password hashing or authentication checks.
- Ensuring compliance with security standards that require constant-time behavior in critical operations.
Key capabilities
- Detects timing-based side-channel vulnerabilities.
- Enforces consistent execution time for sensitive operations.
- Integrates with testing frameworks to validate constant-time properties during development.
Example prompts
- "Test the password verification function for constant-time behavior."
- "Analyze this cryptographic algorithm to ensure it runs in constant time across all inputs."
- "Verify that the authentication routine does not leak information through timing differences."
Tips & gotchas
- This skill requires a deep understanding of low-level code and may need integration with profiling or instrumentation tools.
- Some algorithms are inherently difficult to implement in constant time, so manual review is still essential alongside automated checks.
Tags
TrustedSkills Verification
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.