crypto-tools
✓Cryptography tools for RSA attacks, classical ciphers, XOR analysis, and frequency analysis in CTF challenges. Trigger: When solving crypto challenges, RSA, XOR, Caesar, or Vigenere ciphers.
Installation
SKILL.md
| Small e | e=3, short message | rsa/smalle.py | | Wiener | d < N^0.25 | rsa/wiener.py | | Common Modulus | Same N, diff e | rsa/commonmodulus.py | | Fermat | \|p-q\| small | rsa/fermat.py | | Caesar | Shift cipher | classic/caesar.py (bruteforce 26 shifts) | | Vigenere | Repeating key | classic/vigenere.py (IC analysis) |
| XOR Single | 1-byte key | classic/xorsinglebyte.py | | XOR Repeating | Multi-byte key | classic/xorrepeatingkey.py |
cryptography, crypto, RSA, RSA attacks, small exponent, wiener attack, common modulus, fermat factorization, classical cipher, caesar cipher, vigenere cipher, XOR, XOR cipher, frequency analysis, index of coincidence, public key cryptography, modular arithmetic, CTF crypto
Cryptography tools for RSA attacks, classical ciphers, XOR analysis, and frequency analysis in CTF challenges. Trigger: When solving crypto challenges, RSA, XOR, Caesar, or Vigenere ciphers. Source: g36maid/ctf-arsenal.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/g36maid/ctf-arsenal --skill crypto-tools- Source
- g36maid/ctf-arsenal
- Category
- !Security
- Verified
- ✓
- First Seen
- 2026-02-11
- Updated
- 2026-02-18
Quick answers
What is crypto-tools?
Cryptography tools for RSA attacks, classical ciphers, XOR analysis, and frequency analysis in CTF challenges. Trigger: When solving crypto challenges, RSA, XOR, Caesar, or Vigenere ciphers. Source: g36maid/ctf-arsenal.
How do I install crypto-tools?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/g36maid/ctf-arsenal --skill crypto-tools Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/g36maid/ctf-arsenal
Details
- Category
- !Security
- Source
- skills.sh
- First Seen
- 2026-02-11