xorCrypto

XOR Cipher is secure, as long as key length equal to data length. Simple and lightweight algorithm, this encryption used SHA256 as PRNG to create XOR-KEY.

Features

• XOR-KEY will be changed every 32 bytes
• XOR-KEY was created from SHA256 of SecrectKey and OpenSSL RNG's value
• Simple
• Lightweight
• Easy to implement
• Data don't repeate by sequence
• Hash based

Installation

Require NodeJs

npm install xorcrypto

Usage

const xorCrypto = require('xorcrypto');

let myXorCrypto = new xorCrypto(Buffer.from('My secret key, I will share with my friend.'));
let value, encrypted, decrypted;
value = Buffer.from('This is my secret message!');

encrypted = myXorCrypto.encrypt(value);

decrypted = myXorCrypto.decrypt(encrypted);

console.log(`Value: ${value}\nEncrypted: ${encrypted.toString('hex')}\nDecrypted: ${decrypted.toString()}\nIs the same: ${decrypted.toString() == value}`);

Result:

chiro@moonfang:~/labs$ node test.js 
Value: This is my secret message!
Encrypted: 970504f07e0ee97aa3e53c55414fc6f01b581e0d441167c64c8a8f807bc5617f59c190bc555c96eaf504
Decrypted: This is my secret message!
Is the same: true
chiro@moonfang:~/labs$ node test.js 
Value: This is my secret message!
Encrypted: 79f0a536a36e1a284ec450acc14651c00b9c043462158d2177dccda7d821bc35c8335fa68f610d01c0f9
Decrypted: This is my secret message!
Is the same: true
chiro@moonfang:~/labs$ 

License

This module distributed under MIT License