En-/Decryption with Node.js

crypto.service.js

import crypto from 'crypto'

const HASH = crypto.createHash('md5').update('password', 'utf-8').digest('hex')

export const encrypt = decrypted => {
  let iv = new Buffer.alloc(16)
  let cipher = crypto.createCipheriv('aes-256-cbc', HASH, iv)

  return cipher.update(decrypted, 'utf8', 'hex') + cipher.final('hex')
}

export const decrypt = encrypted => {
  let iv = new Buffer.alloc(16)
  let decipher = crypto.createDecipheriv('aes-256-cbc', HASH, iv)

  return decipher.update(encrypted, 'hex', 'utf8') + decipher.final('utf8')
}