Encrypt and decrypt objects in Node

encrypt-and-decrypt.js

import { createCipheriv, createDecipheriv, randomBytes } from 'crypto'

const iv = randomBytes(process.env.RANDOM_INTEGER)
const cipher = createCipheriv(process.env.ALGORITHM, process.env.SECRET_KEY, iv)

export const encrypt = (object) => {
  const encrypted = Buffer.concat([cipher.update(JSON.stringify(object)), cipher.final()]);
  return {
    content: encrypted.toString('hex'),
    iv: iv.toString('hex'),
}

export const decrypt = (hash) => {
  const decipher = createDecipheriv(process.env.ALGORITHM, process.env.SECRET_KEY, Buffer.from(hash.iv, 'hex'));
  const decrypted = Buffer.concat([decipher.update(Buffer.from(hash.content, 'hex')), decipher.final()]);
  return JSON.parse(decrypted.toString())
}