zum/lib/security.js

Zum is a simple event bus for NodeJS microservices using amp.

'use strict';

const crypto = require('crypto');

const ALGORITHM = 'aes-256-cbc';
const SECRET = 'secret';

function encrypt(message, secret = SECRET, algo = ALGORITHM) {
  const cipher = crypto.createCipher(algo, secret);
  return Buffer.concat([cipher.update(message), cipher.final()]);
}

function decrypt(message, secret = SECRET, algo = ALGORITHM) {
  const decipher = crypto.createDecipher(algo, secret);
  return Buffer.concat([decipher.update(message), decipher.final()]);
}

module.exports = {
  encrypt,
  decrypt
};