Supplementary notice for @rhwp/core (rhwp, https://github.com/edwardkim/rhwp)

rhwp_bg.wasm, which GenOffice ships to read binary .hwp documents, is rhwp
compiled to WebAssembly together with the Rust crates it depends on. rhwp
v0.8.7 lists those crates and their licenses in
https://github.com/edwardkim/rhwp/blob/v0.8.7/THIRD_PARTY_LICENSES.md. All of
them are under permissive terms (MIT, Apache-2.0, BSD-2-Clause, BSD-3-Clause,
Zlib, Unlicense, 0BSD, ISC, Unicode-DFS-2016, CC0-1.0); encoding_rs is
licensed (Apache-2.0 OR MIT) AND BSD-3-Clause.

rhwp's HWP 5 decryption (EncryptVersion 4 key derivation and AES-CFB) is
ported from Volexity hwp-extract
(https://github.com/volexity/hwp-extract, commit
e5f8b5e1590dee973630666e687e919fa70da2e2), under this license:

Modified BSD License
====================

_Copyright © `2024`, `Volexity, Inc`_
_All rights reserved._

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
3. Neither the name of the `Volexity, Inc` nor the
   names of its contributors may be used to endorse or promote products
   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL `Volexity, Inc` BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Hancom notice, as rhwp states it:
본 제품은 한글과컴퓨터의 한글 문서 파일(.hwp) 공개 문서를 참고하여 개발하였습니다.
(This product was developed with reference to Hancom's published
specification of the Hangul document file format (.hwp).)

"한글", "한컴", "HWP" and "HWPX" are registered trademarks of Hancom Inc.
Neither rhwp nor GenOffice is affiliated with, sponsored or endorsed by Hancom.
