This is PureOS' GnuPG keyrings of archive keys. This package was originally put together by Michael Vogt It was modified for PureOS by Matthias Klumpp The keys in the keyrings don't fall under any copyright. Everything else in the package is covered by the GNU GPL. Debian support files Copyright (C) 2006 Michael Vogt based on the debian-keyring package maintained by James Troup PureOS support files Copyright (C) 2012-2016 Matthias Klumpp All support files for tanglu-archive-keyring are free software; you can redistribute them and/or modify them under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. Support files for tanglu-archive-keyring are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License with your Debian/PureOS system, in /usr/share/common-licenses/GPL-2, or with the tanglu-archive-keyring source package as the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.