ctf-crypto

Provide cryptography techniques and code snippets for CTF challenges.

1|Updated Feb 6, 2026

Search Tags:#cryptography #ctf #rsa #aes #crypto-attacks #prng

Ready to run

npx skills add https://github.com/ramzxy/CTF --skill ctf-crypto-ramzxy

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ctf-crypto
Source: https://github.com/ramzxy/CTF/tree/main/.agents/skills/ctf-crypto
Command: npx skills add https://github.com/ramzxy/CTF --skill ctf-crypto-ramzxy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides concise, actionable cryptography techniques for solving CTF challenges.

Core Features & Use Cases

Reference-rich guidance: quick access to crypto attacks, historical ciphers, and practical RSA/AES/ELG clues used in CTFs.
Learn-by-example: includes code samples and explanations that you can adapt to real challenges.
Wide coverage: from PRNG weaknesses and padding oracles to elliptic curve and lattice attacks, all in one place.

Quick Start

Use the ctf-crypto skill to browse topics like prng.md, historical.md, and advanced-math.md to jump into a relevant technique for your challenge.

Frequently Asked Questions about ctf-crypto

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

FAQPage Schema

How do I solve RSA cryptography challenges in CTF competitions?▼

This skill provides concise RSA cryptography techniques for CTF challenges, consolidating mathematical attacks and practical exploitation clues into reference material with runnable code snippets.

What techniques are needed to exploit PRNG weaknesses in CTF crypto?▼

Exploiting PRNG weaknesses requires understanding predictable seed generation and state recovery; this skill guides you through these crypto attacks with explanations and adaptable code samples.

Are there code examples for implementing padding oracle attacks?▼

Yes, there are code examples for padding oracle attacks. This skill includes learn-by-example code samples and explanations that you can directly adapt to solve realistic CTF crypto challenges.

How do I approach elliptic curve and lattice attacks for CTF crypto?▼

To approach elliptic curve and lattice attacks, this skill offers wide coverage of advanced mathematical crypto problems, consolidating techniques into actionable guidance with runnable code snippets.

Can I find decryption techniques for historical ciphers in CTF competitions?▼

Yes, you can find decryption techniques for historical ciphers. This skill provides quick access to historical ciphers and practical crypto clues used in realistic CTF competitions.

What are the common AES vulnerabilities targeted in CTF cryptography?▼

Common AES vulnerabilities targeted in CTF cryptography include padding oracles and implementation flaws. This skill consolidates these crypto attacks into reference material with practical code snippets.