Basic Node.js Crypto Cipher Encryption Example

gistfile1.txt

var cryptojs = require('crypto')
  , salt = "<client app salt token>"
  , keyIterations = 1000 //number of interations to generate your key
  , keyLength
  , key
  , password
  , cipher
  , msg = "<what you want to encrypt>"
  , encryptedMsg;

//generate random password
try {
    password = this.password = cryptojs.randomBytes(256);
} catch (ex) {
    password = Math.Random();    
}

//generate secure salted key
key = cryptojs.pbkdf2Sync(password, salt, keyIterations, keyLength);

//create cypher
cipher = cryptojs.createCipher('aes128', key) //AES The Advanced Encryption Standard (AES) is a U.S. Federal Information Processing Standard (FIPS).
cipher.update(msg, 'utf8', 'base64');
encryptedMsg = cipher.final('base64');