🔐 Cryptotron.js

A JavaScript library implementing classic ciphers — Caesar, Vigenère, and more.

Cryptotron.js is an educational cryptography library for experimenting with historical ciphers. It’s not intended for secure applications, but is perfect for learning and demos.

✨ Features

• 🏛️ Classical Ciphers
  • Affine
  • Autokey
  • Beaufort
  • Caesar
  • Polybius Square
  • Running Key
  • Simple Substitution
  • Vigenère
  • More coming soon...
• 🔁 Symmetric encryption and decryption
• 📦 Lightweight and modular
• ✅ Includes unit tests

📦 Installation

npm install @jabez007/cryptotron.js

Or clone:

git clone https://github.com/jabez007/cryptotron.js.git

🚀 Usage

const { caesar, vigenere } = require("@jabez007/cryptotron.js");

// Caesar Cipher
console.log(caesar.encrypt({ shift: 3 })("HELLO")); // "KHOOR"
console.log(caesar.decrypt({ shift: 3 })("KHOOR")); // "HELLO"

// Vigenère Cipher
console.log(vigenere.encrypt({ keyword: "KEY" })("HELLO")); // "RIJVS"
console.log(vigenere.decrypt({ keyword: "KEY" })("RIJVS")); // "HELLO"

⚠️ Disclaimer

This library is for educational and demonstration purposes only. Do not use it in production systems for secure communications.