J-Crypto

This package was developed to enable programmers to encode and decode messages using a numerical cipher method.

installing J-Crypto

npm i j-crypto-change

Example for Caesar (Shift) Cipher

const { encode, decode, createCipher } = require("j-crypto-change");

encode("hello"); decode("khoor"); const cipher = createCipher(5); console.log(cipher.encode("hello")); cipher.decode("mjqqt");

Playfair

const { playfairEncode, playfairDecode } = require('./playfair');

playfairEncode("HELLO", "KEY"); playfairDecode("DAVVRO", "KEY");

Frequency Analysis

const { frequencyAnalysis } = require("j-crypto");

const result = frequencyAnalysis("khoor zruog");