Automate cryptanalysis of CTF challenges with decision trees and exploit recipes.
npx skills add https://github.com/wgpsec/AboutSecurity --skill ctf-crypto-wgpsec
Please help me install this Agent Skill. Skill: ctf-crypto Source: https://github.com/wgpsec/AboutSecurity/tree/main/skills/ctf/ctf-crypto Command: npx skills add https://github.com/wgpsec/AboutSecurity --skill ctf-crypto-wgpsec
Consolidates actionable methods and references for solving CTF-style cryptographic challenges, reducing time spent searching across blogs and papers. Provides a structured decision tree and targeted exploit recipes so you can identify the right cryptanalysis technique quickly and reliably.
Ask the skill to analyze the challenge files and explain whether to apply small-exponent RSA, padding-oracle, PRNG state recovery, lattice/Coppersmith, or ECC techniques and list the next 3 concrete steps.
High-intent search queries and answers about installing and using this skill.
To solve CTF crypto challenges, use a structured decision tree to triage encrypted tokens and identify whether to apply small-exponent RSA, padding oracle, PRNG state recovery, lattice/Coppersmith, or ECC techniques.
The best way to recover plaintext from small-exponent RSA or common-modulus attacks is to apply curated exploit recipes using gmpy2 or SageMath, providing worked patterns and code snippets to directly derive the hidden message.
To perform padding oracle attacks, follow mapped exploit procedures using PadBuster and common CTF libraries, utilizing tooling guidance to manage query budgets and recover encryption keys or craft payloads.
Yes, you can use SageMath and fpylll for lattice and LWE attacks in CTF scenarios, applying Coppersmith methods and practical tooling tips to handle precision and endian gotchas while recovering cryptographic keys.
PRNG state recovery for MT19937 and xs128p leaks works by analyzing exposed pseudo-random outputs and applying targeted exploit recipes to reconstruct the internal state and predict future or past generated values.
You should use the z3 solver compared to other CTF crypto tools when handling complex cryptographic constraints or ZKP pitfalls, utilizing tooling guidance to decide between z3, SageMath, and gmpy2 based on the specific exploit requirements.
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