Is this skill part of a larger security suite?

Yes, it is part of the Trail of Bits security handbook skills, designed for deep technical audits and secure-by-default software development.

Does this skill provide automated code fixes?

It primarily provides implementation guidance and verification patterns to help developers manually refactor and audit sensitive code for security.

How does this skill help with cryptography?

It provides specific patterns and verification methods to ensure cryptographic operations run in constant time, preventing secret keys from leaking via execution time differences.

Who should use the Constant-Time Testing skill?

Security engineers, cryptographic developers, and software auditors who need to ensure rigorous security standards for sensitive data processing.

What are timing side channels?

Timing side channels are vulnerabilities where an attacker can infer sensitive data by measuring the varying amount of time it takes for a program to process different inputs.

Constant-Time Security Testing

Name: Constant-Time Security Testing
Author: plurigrid

byplurigrid

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安全与测试

Verifies cryptographic implementations for timing side-channel vulnerabilities to ensure data-independent, constant-time execution.

Developed by Trail of Bits, this skill provides specialized guidance for identifying and mitigating timing side-channel vulnerabilities in software. It assists developers and security auditors in verifying that sensitive operations—particularly in cryptographic libraries, authentication modules, and data-handling logic—execute in constant time regardless of input data. By offering implementation patterns and verification strategies, it ensures that attackers cannot deduce secret information, such as private keys or passwords, by measuring the execution time of specific functions.

主要功能

01Assists in hardening cryptographic and authentication logic

02Identifies potential timing side-channel leaks in source code

03Integrates Trail of Bits security audit best practices

04Offers guidance on verifying code against timing-based attacks

058 GitHub stars

06Provides patterns for secure, constant-time implementations

使用场景

01Verifying authentication logic to prevent timing-based user enumeration

02Conducting security audits for high-stakes financial or privacy software

03Hardening cryptographic libraries against side-channel analysis

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add plurigrid/asi constant-time-testing

For use in Claude.ai and ChatGPT

Download Skill