encrypt decrypt sample js with moment

crypt-ctr.js

const crypto = require('crypto')
const moment = require('moment')
const algorithm = 'aes-256-cbc'
const password = "xrandom-password-length-32-chars"
const iv = 'random-length-16'
const hash = encrypt('hoge')

function encrypt(text){
  const cipher = crypto.createCipheriv(algorithm,password,iv)
  text +=  `\$${moment().unix()}`

  let crypted = cipher.update(text,'utf8','hex')
  crypted += cipher.final('hex');
  return crypted;
}

function decrypt(text){
  const decipher = crypto.createDecipheriv(algorithm,password,iv)
  let dec = decipher.update(text,'hex','utf8')
  dec += decipher.final('utf8');
  return dec;
}

console.log('**** encrypted ****')
console.log(encrypt(hash))

console.log('**** decrypted ****')
console.log(decrypt(hash))