// IDEA FROM: https://stackoverflow.com/questions/33929712/crypto-in-nodejs-and-ruby

var crypto = require('crypto'),
    algorithm = 'aes-256-cbc',
    key = 'SOME_RANDOM_KEY_32_CHR_123456789', // 32 Characters
    iv = "0000000000000000"; // 16 Characters

function encrypt(text){
  var cipher = crypto.createCipheriv(algorithm,key,iv)
  var crypted = cipher.update(text,'utf-8',"base64")
  crypted += cipher.final("base64");
  return crypted;
}

function decrypt(text) {
    var cipher = crypto.createDecipheriv(algorithm,key,iv)  
    var crypted = cipher.update(text, "base64", "utf-8") 
    crypted += cipher.final("utf-8");
    return crypted;
}

console.log(encrypt("1")); // return KAZL9qez4T7DblhCESPyPA==
console.log(decrypt("KAZL9qez4T7DblhCESPyPA==")); // return 1