classical-cipher

Tools for decrypting, encrypting, and solving classical ciphers in JavaScript

Licence

This project is licensed under the MIT license (MIT).

Features

Ciphers

• Caesar shift
• Simple substitution cipher
• Vigenère cipher
• Columnar transposition
• Amsco cipher
• Hill cipher
• Railfence cipher

Statistics

• Chi Squared

Solvers

• Brute Force
• Hill Climbing

Planned Features

• Playfair cipher
• Cadence cipher
• Simulated Annealing
• Quadram count
• Bigram rate

Building

npm run-script build

Example

var cc = require("classical-cipher");
 
console.log(cc.solvers.bruteForce.solve({
    cipherText: "Alza zaypun!",
    cipher: cc.ciphers.caesarShift,
    stat: cc.stats.chiSquared,
    reporter: cc.reporters.silentReporter
}));// prints { text: 'Test string!', key: 7 }