This is built from hpke-js from https://github.com/dajiaji/hpke-js, version 1.2.9

The build was done using the "Cloudflare Workers" instructions for the whole library,
except the last step was changed from:
  deno task minify > $YOUR_SRC_PATH/hpke.js
to
  esbuild npm/esm/mod.js --bundle --format=esm > $YOUR_SRC_PATH/hpke.js

...which disabled minification, for easier debugging.

The produced file incorporates the following other components:

dnt (https://github.com/denoland/dnt):
  Copyright 2018-2024 the Deno authors, under the MIT license

Paul Miller's noble cryptography:
  https://github.com/paulmillr/noble-ciphers,
  https://github.com/paulmillr/noble-curves,
  https://github.com/paulmillr/noble-hashes

  Copyright (c) 2022 Paul Miller (paulmillr.com)
  Copyright (c) 2023 Paul Miller (paulmillr.com)
  Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>

  Under the MIT license.