const crypto = require('crypto');

// Key and IV generation for AES
const algorithm = 'aes-256-cbc';
const key = crypto.randomBytes(32); // 256-bit key
console.log(key)
const iv = crypto.randomBytes(16);  // Initialization vector
console.log(iv)
// Encrypt function
function encrypt(text) {
  const cipher = crypto.createCipheriv(algorithm, key, iv);
  let encrypted = cipher.update(text, 'utf8', 'hex');
  encrypted += cipher.final('hex');
  return encrypted;
}

// Decrypt function
function decrypt(encryptedText) {
  const decipher = crypto.createDecipheriv(algorithm, key, iv);
  let decrypted = decipher.update(encryptedText, 'hex', 'utf8');
  decrypted += decipher.final('utf8');
  return decrypted;
}

// Example usage
const textToEncrypt = 'Hello, World!';
const encryptedText = encrypt(textToEncrypt);
const decryptedText = decrypt(encryptedText);

console.log('Text to Encrypt:', textToEncrypt);
console.log('Encrypted Text:', encryptedText);
console.log('Decrypted Text:', decryptedText);