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The GNU Privacy Guard 2 ========================= Version 2.0 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. INTRODUCTION ============ GnuPG is GNU's tool for secure communication and data storage. It can be used to encrypt data and to create digital signatures. It includes an advanced key management facility and is compliant with the proposed OpenPGP Internet standard as described in RFC4880 and the S/MIME standard as described by several RFCs. GnuPG is distributed under the terms of the GNU General Public License. See the file COPYING for details. GnuPG works best on GNU/Linux or *BSD systems. Most other Unices are also supported but are not as well tested as the Free Unices. GnuPG 2.0 is the stable version of GnuPG integrating support for OpenPGP and S/MIME. It does not conflict with an installed 1.4 OpenPGP-only version. BUILD INSTRUCTIONS ================== GnuPG 2.0 depends on the following packages: libgpg-error (ftp://ftp.gnupg.org/gcrypt/libgpg-error/) libgcrypt (ftp://ftp.gnupg.org/gcrypt/libgcrypt/) libksba (ftp://ftp.gnupg.org/gcrypt/libksba/) libassuan >= 2.0 (ftp://ftp.gnupg.org/gcrypt/libassuan/) You also need the Pinentry package for most function of GnuPG; however it is not a build requirement. Pinentry is available at ftp://ftp.gnupg.org/gcrypt/pinentry/ . You should get the latest versions of course, the GnuPG configure script complains if a version is not sufficient. After building and installing the above packages in the order as given above, you may now continue with GnuPG installation (you may also just try to build GnuPG to see whether your already installed versions are sufficient). As with all packages, you just have to do ./configure make make install (Before doing install you might need to become root.) If everything succeeds, you have a working GnuPG with support for S/MIME and smartcards. Note that there is no binary gpg but a gpg2 so that this package won't conflict with a GnuPG 1.4 installation. gpg2 behaves just like gpg. In case of problem please ask on gnupg-users@gnupg.org for advise. Note that the PKITS tests are always skipped unless you copy the PKITS test data file into the tests/pkits directory. INCOMPATIBLE CHANGES ==================== - With 2.0.20 the scdaemon option 'disable-keypad' has been renamed to 'disable-pinpad'. If you are using this option in scdaemon.conf you should rename it there. In case you are using this option to work around a problem with your card reader, you may want to test whether this version of GnuPG works better with your reader. DOCUMENTATION ============= The complete documentation is in the texinfo manual named `gnupg.info'. Run "info gnupg" to read it. If you want a a printable copy of the manual, change to the "doc" directory and enter "make pdf" For a HTML version enter "make html" and point your browser to gnupg.html/index.html. Standard man pages for all components are provided as well. An online version of the manual is available at http://www.gnupg.org/documentation/manuals/gnupg/ . A version of the manual pertaining to the current development snapshot is at http://www.gnupg.org/documentation/manuals/gnupg-devel/ . GNUPG 1.4 AND GNUPG 2.0 ======================= GnuPG 2.0 is a newer version of GnuPG with additional support for S/MIME. It has a different design philosophy that splits functionality up into several modules. Both versions may be installed simultaneously without any conflict (gpg is called gpg2 in GnuPG 2). In fact, the gpg version from GnuPG 1.4 is able to make use of the gpg-agent as included in GnuPG 2 and allows for seamless passphrase caching. The advantage of GnuPG 1.4 is its smaller size and no dependency on other modules at run and build time. HOW TO GET MORE INFORMATION =========================== The primary WWW page is "http://www.gnupg.org" The primary FTP site is "ftp://ftp.gnupg.org/gcrypt/" See http://www.gnupg.org/download/mirrors.html for a list of mirrors and use them if possible. You may also find GnuPG mirrored on some of the regular GNU mirrors. We have some mailing lists dedicated to GnuPG: gnupg-announce@gnupg.org For important announcements like new versions and such stuff. This is a moderated list and has very low traffic. Do not post to this list. gnupg-users@gnupg.org For general user discussion and help (English). gnupg-de@gnupg.org German speaking counterpart of gnupg-users. gnupg-ru@gnupg.org Russian speaking counterpart of gnupg-users. gnupg-devel@gnupg.org GnuPG developers main forum. You subscribe to one of the list by sending mail with a subject of "subscribe" to x-request@gnupg.org, where x is the name of the mailing list (gnupg-announce, gnupg-users, etc.). An archive of the mailing lists is available at <http://www.gnupg.org/documentation/mailing-lists.html>. Please direct bug reports to http://bugs.gnupg.org or post them direct to the mailing list <gnupg-devel@gnupg.org>. Please direct questions about GnuPG to the users mailing list or one of the pgp newsgroups; please do not direct questions to one of the authors directly as we are busy working on improvements and bug fixes. The English and German mailing lists are watched by the authors and we try to answer questions when time allows us to do so. Commercial grade support for GnuPG is available; please see <http://www.gnupg.org/service.html>. This file is Free Software; as a special exception the authors gives unlimited permission to copy and/or distribute it, with or without modifications, as long as this notice is preserved. For conditions of the whole package, please see the file COPYING. This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, to the extent permitted by law; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.