AES256

test.js

// RC4 PRIVATE KEY
var key = '123456789';

var file = 'test123456';

// Encrypt
var crypto = require('crypto');
var cipher = crypto.createCipher('aes-256-cbc', key);
var encfile = cipher.update(file, 'utf8', 'hex');
encfile += cipher.final('hex');
console.log(encfile);

// Decrypt
var decipher = crypto.createDecipher('aes-256-cbc', key);
var decfile = decipher.update(encfile, 'hex', 'utf8');
decfile += decipher.final('utf8');
console.log(decfile);