js-cryptools/demo.en.html at main · 0xEAF/js-cryptools · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1" />
  <title>Cryptools AES Demo (browser)</title>
  <style>
    body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial; padding: 24px; }
    pre  { background:#f6f8fa; padding:12px; border-radius:6px; white-space:pre-wrap; }
    code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
  </style>
</head>
<body>
  <h1>Cryptools AES Demo (AES-GCM + Argon2id)</h1>
  <p>
    This demo uses the <code>window.Cryptools</code> bundle. Make sure your
    <code>bundle.min.js</code> is loaded and that it attaches
    <code>window.Cryptools</code>.
  </p>

  <pre id="output"></pre>

  <script src="speedups.js"></script> <!-- load speedups -->
  <script type="module">
    import './bundle.min.js'; // <-- your bundle that sets window.Cryptools

    const out = document.getElementById('output');
    const log = (s='') => { out.textContent += String(s) + '\n'; };
    out.textContent = 'starting…\n';

    async function main() {
      // Sanity check the bundle
      if (!window.Cryptools?.AES?.encrypt || !window.Cryptools?.AES?.decrypt) {
        log('❌ window.Cryptools.AES.encrypt/decrypt not found.');
        log('   Did your bundle attach window.Cryptools correctly?');
        return;
      }

      const msg = 'Hello from Cryptools AES 👋';
      const password = 'correct horse battery staple';

      log('➡️  plaintext: ' + msg);
      log('➡️  password:  ' + password);

      log('\n⏳ Waiting for speedups to load…');
      await window.speedups_loaded;

      try {
        log('\n🔐 Encrypting…');
        const combinedBase64 = await window.Cryptools.AES.encrypt(msg, password);
        log('✅ ciphertext (salt+iv+ciphertext, Base64):');
        log(combinedBase64);

        log('\n🔓 Decrypting…');
        const decrypted = await window.Cryptools.AES.decrypt(combinedBase64, password);
        log('✅ decrypted: ' + decrypted);
        log('✔️  round-trip OK: ' + (decrypted === msg));

        log('\n🧪 Decrypting with wrong password (should fail)…');
        try {
          await window.Cryptools.AES.decrypt(combinedBase64, 'wrong password');
          log('⚠️  unexpected: decrypt succeeded with wrong password!');
        } catch (e) {
          log('✅ expected failure: ' + (e && e.message ? e.message : e));
        }
      } catch (e) {
        log('❌ error: ' + (e && e.message ? e.message : e));
        console.error(e);
      }
    }

    // Kick it off
    main();
  </script>
</body>
</html>