ctf-crypto

Categorize cryptography attack techniques for CTF challenges.

Updated Mar 28, 2026

Search Tags:#security #cryptography #ctf #puzzles #cryptanalysis #attacks

Ready to run

npx skills add https://github.com/KongGithubDev/ncsa-ctf-ai-2026 --skill ctf-crypto-konggithubdev

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ctf-crypto
Source: https://github.com/KongGithubDev/ncsa-ctf-ai-2026/tree/main/.agents/skills/ctf-crypto
Command: npx skills add https://github.com/KongGithubDev/ncsa-ctf-ai-2026 --skill ctf-crypto-konggithubdev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a consolidated reference of cryptography attack techniques for CTF challenges, enabling practitioners to quickly identify applicable methods and prerequisites.

Core Features & Use Cases

Technique catalog: A curated taxonomy of crypto-attacks across encryption, hashing, signatures, ZKP, PRNG, and number theory.
Guided workflows: Step-by-step usage patterns and typical prerequisites to apply techniques on real challenges.
Use Case: Quickly assess a challenge involving RSA misuse and select a targeted attack plan.

Quick Start

Run a guided crypto-attack on a sample challenge to identify a vulnerability and validate it by reproducing a recovered plaintext or key.

Frequently Asked Questions about ctf-crypto

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

FAQPage Schema

What cryptography attack techniques are needed for CTF challenges?▼

A crypto attack technique catalog for CTFs covers encryption, hashing, signatures, ZKP, PRNG, and number theory. It provides structured guidance and prerequisites to help practitioners quickly identify applicable methods for specific challenge categories.

How do I identify the right crypto attack for an RSA misuse challenge?▼

You identify the right crypto attack by assessing challenge parameters against a curated taxonomy of attack techniques. This skill provides guided workflows and typical prerequisites to help you select a targeted attack plan for vulnerabilities like RSA misuse.

What prerequisites do I need to apply cryptanalysis attacks in CTF puzzles?▼

Prerequisites to apply cryptanalysis attacks in CTF puzzles vary by technique category. This skill provides structured guidance on the required knowledge and setup for each attack across encryption, hashing, signatures, ZKP, PRNG, and number theory problems.

How do I validate a recovered plaintext or key from a CTF crypto challenge?▼

You validate a recovered plaintext or key from a CTF crypto challenge by reproducing the result using guided workflows. This skill enables targeted practice by providing step-by-step usage patterns to confirm vulnerabilities and validate recovered cryptographic data.

What safety considerations exist when practicing CTF cryptography attacks?▼

Safety considerations when practicing CTF cryptography attacks involve understanding the constraints and limits of each technique. This skill returns a categorized set of techniques with specific usage notes and safety considerations to ensure responsible practice.