CryptoUtils.ts

/**
 * DISCLAIMER:
 * This Utility is in a Work in Progress state.
 * The ideia is to encrypt the sensitive data in the Frontend to prevent XSS data stealing.
 *
 * @author Igor Santos <[email protected]>
 *
 * @see https://www.npmjs.com/package/crypto-js
 */
import CryptoJS from 'crypto-js';

export const encryptData = (data: unknown, salt: string): string => {
  return CryptoJS.AES.encrypt(JSON.stringify(data), salt).toString();
};

export const decryptData = (ciphertext: string, salt: string): unknown => {
  try {
    const bytes = CryptoJS.AES.decrypt(ciphertext, salt);
    return JSON.parse(bytes.toString(CryptoJS.enc.Utf8));
  } catch (err) {
    return null;
  }
};