encrypt-decrypt.ts

import crypto from 'crypto'

const algorithm = 'aes-192-cbc'
const key = crypto.scryptSync('YOUR KEY', 'salt', 24)

export function encrypt(text: string) {
  const iv = crypto.randomBytes(16)
  const cipher = crypto.createCipheriv(algorithm, key, iv)
  const encrypted = cipher.update(text, 'utf8', 'hex')
  return [encrypted + cipher.final('hex'), Buffer.from(iv).toString('hex')].join('|')
}

export function decrypt(text: string) {
  const [encrypted, iv] = text.split('|')
  if (!iv) throw new Error('IV not found')
  const decipher = crypto.createDecipheriv(algorithm, key, Buffer.from(iv, 'hex'))
  return decipher.update(encrypted, 'hex', 'utf8') + decipher.final('utf8')
}