Cipher plain text with Node.js

cipher-test.js

var crypto = require("crypto");    // native module that allows ciphering

var CIPHER_KEY = "test-key", CIPHER_ALGORITHM = "aes256";

// Original message
var message = "This message will be ciphered";
console.log("Original message -> " + message);

// Cipher message
var cipher = crypto.createCipher(CIPHER_ALGORITHM, CIPHER_KEY);
var cipheredMessage = cipher.update(message, "binary", "hex");
cipheredMessage += cipher.final("hex");
console.log("Ciphered message -> " + cipheredMessage);

// Decipher message
var decipher = crypto.createDecipher(CIPHER_ALGORITHM, CIPHER_KEY);
var decipheredMessage = decipher.update(cipheredMessage, "hex", "binary");
decipheredMessage += decipher.final("binary");
console.log("Deciphered message -> " + decipheredMessage);