1 2Authors of XZ Utils 3=================== 4 5 XZ Utils is developed and maintained by 6 Lasse Collin <lasse.collin@tukaani.org>. 7 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. 11 12 The SHA-256 implementation in liblzma is based on code written by 13 Wei Dai in Crypto++ Library <https://www.cryptopp.com/>. 14 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. 19 20 The initial version of the threaded .xz decompressor was written 21 by Sebastian Andrzej Siewior. 22 23 The initial version of the .lz (lzip) decoder was written 24 by Michał Górny. 25 26 Architecture-specific CRC optimizations were contributed by 27 Ilya Kurdyukov, Hans Jansen, and Chenxi Mao. 28 29 Other authors: 30 - Jonathan Nieder 31 - Joachim Henke 32 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 36 this was discovered. 37 38 Many people have contributed improvements or reported bugs. 39 Most of these people are mentioned in the file THANKS. 40 41 The translations of the command line tools and man pages have been 42 contributed by many people via the Translation Project: 43 44 - https://translationproject.org/domain/xz.html 45 - https://translationproject.org/domain/xz-man.html 46 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. 50 51 Third-party code whose authors aren't listed here: 52 53 - GNU getopt_long() in the 'lib' directory is included for 54 platforms that don't have a usable getopt_long(). 55 56 - The build system files from GNU Autoconf, GNU Automake, 57 GNU Libtool, GNU Gettext, Autoconf Archive, and related files. 58 59