SHA512 해시 생성기

// Node.js - Generate SHA512 hash
const crypto = require('crypto');

const text = 'Hello World';
const hash = crypto
  .createHash('sha512')
  .update(text)
  .digest('hex');

console.log(hash);

// Node.js - Generate HMAC-SHA512
const secretKey = 'my-secret-key';
const hmac = crypto
  .createHmac('sha512', secretKey)
  .update(text)
  .digest('hex');

console.log(hmac);

// Browser - Web Crypto API
async function sha512(message) {
  const encoder = new TextEncoder();
  const data = encoder.encode(message);
  const hashBuffer = await crypto.subtle.digest('SHA-512', data);
  const hashArray = Array.from(new Uint8Array(hashBuffer));
  const hashHex = hashArray
    .map(b => b.toString(16).padStart(2, '0'))
    .join('');
  return hashHex;
}

sha512('Hello World').then(console.log);