ctf-crypto

Provides cryptography techniques reference for solving RTF-style challenges.

3.0k|346|Updated Feb 1, 2026
One-click install
npx skills add https://github.com/ljagiello/ctf-skills --skill ctf-crypto-ljagiello
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ctf-crypto
Source: https://github.com/ljagiello/ctf-skills/tree/main/ctf-crypto
Command: npx skills add https://github.com/ljagiello/ctf-skills --skill ctf-crypto-ljagiello

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

CTF participants need a centralized reference for cryptography techniques to solve challenges efficiently and correctly.

Core Features & Use Cases

  • Covers classic ciphers, modern cryptography attacks, RSA/ECC, ZKP, and related math methods.
  • Provides quick-start guidance, reference links, and structured overviews to accelerate learning during contests.
  • Useful for practice, write-ups, and real-time challenge solving across web, binary, crypto, and forensics domains.

Quick Start

Try a technique from the Crypto Fundamentals section on a sample challenge.

Frequently Asked Questions about ctf-crypto

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What cryptography techniques are needed for CTF challenges?

CTF cryptography challenges require techniques covering classic ciphers, modern encryption attacks, RSA, ECC, ZKP, signatures, and mathematical problem solving across web, binary, and forensics domains.

How do I approach RSA and ECC attacks in a CTF?

Approach RSA and ECC attacks in CTF by leveraging structured overviews of modern cryptography methods, utilizing quick-start guidance and reference links to accelerate mathematical problem solving during contests.

Can I use these crypto tactics for web exploitation and binary pwn?

Yes, these crypto tactics apply directly to web exploitation, binary pwn, and forensics domains where cryptography presents a core obstacle, providing structured techniques to bypass encryption and hashing mechanisms.

What's the best way to learn zero-knowledge proofs for CTF competitions?

The best way to learn ZKP for CTF is by accessing centralized references that provide structured sections, practice-oriented content, and linked references to master signature and mathematical cryptographic methods.

Do I need prior cryptography knowledge to use this CTF reference?

You need foundational cryptography awareness, but the reference provides quick-start guidance and structured overviews from classic ciphers to modern attacks, accelerating learning for participants during real-time challenge solving.