W3Schools Tryit Editor

const crypto = require('crypto');

// The data to encrypt
const plainText = 'Hello, this is a test message';

// Function to encrypt data with different algorithms
function encryptWithAlgorithm(algorithm, keySize, ivSize, plainText) {
  // Generate key and IV
  const key = crypto.randomBytes(keySize);
  const iv = crypto.randomBytes(ivSize);
  
  // Create cipher
  const cipher = crypto.createCipheriv(algorithm, key, iv);
  
  // Encrypt data
  let encrypted = cipher.update(plainText, 'utf8', 'hex');
  encrypted += cipher.final('hex');
  
  return {
    algorithm,
    encrypted,
    key: key.toString('hex'),
    iv: iv.toString('hex')
  };
}

// Test different algorithms
const algorithms = [
  { name: 'aes-128-cbc', keySize: 16, ivSize: 16 },
  { name: 'aes-192-cbc', keySize: 24, ivSize: 16 },
  { name: 'aes-256-cbc', keySize: 32, ivSize: 16 },
  { name: 'aes-256-gcm', keySize: 32, ivSize: 16 }
];

algorithms.forEach(algo => {
  try {
    const result = encryptWithAlgorithm(algo.name, algo.keySize, algo.ivSize, plainText);
    console.log(`Encrypted with ${result.algorithm}: ${result.encrypted}`);
  } catch (error) {
    console.error(`Error with ${algo.name}: ${error.message}`);
  }
});

Encrypted with aes-128-cbc: 7abd1af04eaaf35d0c991b3af3e4ead33a15ce77adaaf175de2147d7c13ccecc
Encrypted with aes-192-cbc: 637dd09a429cea3dbd4511e5af99a21104a82e07cedf3c8a46078739f581829b
Encrypted with aes-256-cbc: 8834d36e6e479203eec67da62d40924c37cf1db6ca853f085fcd4ab1fe63c2f8
Encrypted with aes-256-gcm: 43e89728e7dd16e976ceea4c18f24c08cbb1665d1fc47df4818068f817