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.