5 XZ Utils is developed and maintained by
6 Lasse Collin <lasse.collin@tukaani.org>.
8 Major parts of liblzma are based on code written by Igor Pavlov,
9 specifically the LZMA SDK <https://7-zip.org/sdk.html>. Without
10 this code, XZ Utils wouldn't exist.
12 The SHA-256 implementation in liblzma is based on code written by
13 Wei Dai in Crypto++ Library <https://www.cryptopp.com/>.
15 A few scripts have been adapted from GNU gzip. The original
16 versions were written by Jean-loup Gailly, Charles Levert, and
17 Paul Eggert. Andrew Dudman helped adapting the scripts and their
18 man pages for XZ Utils.
20 The initial version of the threaded .xz decompressor was written
21 by Sebastian Andrzej Siewior.
23 The initial version of the .lz (lzip) decoder was written
26 Architecture-specific CRC optimizations were contributed by
27 Ilya Kurdyukov, Hans Jansen, Chenxi Mao, and Xi Ruoyao.
33 Special author: Jia Tan was a co-maintainer in 2022-2024. He and
34 the team behind him inserted a backdoor (CVE-2024-3094) into
35 XZ Utils 5.6.0 and 5.6.1 releases. He suddenly disappeared when
38 Many people have contributed improvements or reported bugs.
39 Most of these people are mentioned in the file THANKS.
41 The translations of the command line tools and man pages have been
42 contributed by many people via the Translation Project:
44 - https://translationproject.org/domain/xz.html
45 - https://translationproject.org/domain/xz-man.html
47 The authors of the translated man pages are in the header comments
48 of the man page files. In the source package, the authors of the
49 translations are in po/*.po and po4a/*.po files.
51 Third-party code whose authors aren't listed here:
53 - GNU getopt_long() in the 'lib' directory is included for
54 platforms that don't have a usable getopt_long().
56 - The build system files from GNU Autoconf, GNU Automake,
57 GNU Libtool, GNU Gettext, Autoconf Archive, and related files.