1
// Copyright (c) 2024 Cloudflare, Inc.
2
// Licensed under the Apache 2.0 license found in the LICENSE file or at:
3
//     https://opensource.org/licenses/Apache-2.0
4
// index.mjs
5
import { Buffer } from 'node:buffer';
6
 
7
const encoder = new TextEncoder();
8
 
9
async function pbkdf2Derive(password) {
10
  const passwordArray = encoder.encode(password);
11
  const passwordKey = await crypto.subtle.importKey(
12
    'raw',
13
    passwordArray,
14
    'PBKDF2',
15
    false,
16
    ['deriveBits']
17
  );
18
  const saltArray = crypto.getRandomValues(new Uint8Array(16));
19
  const keyBuffer = await crypto.subtle.deriveBits(
20
    { name: 'PBKDF2', hash: 'SHA-256', salt: saltArray, iterations: 1_000_000 },
21
    passwordKey,
22
    256
23
  );
24
  return Buffer.from(keyBuffer).toString('base64');
25
}
26
 
27
export default {
28
  async fetch(request, env, ctx) {
29
    return new Response(await pbkdf2Derive('hello!'));
30
  },
31
};