[Announce] GnuPG 2.0.2 released

Werner Koch wk at gnupg.org
Fri Feb 2 10:36:55 CET 2007

We are pleased to announce the availability of a new stable GnuPG-2
release: Version 2.0.2

This is maintenance release to fix build problems found after the
release of 2.0.1.  There are also some minor enhancements.

The GNU Privacy Guard (GnuPG) is GNU's tool for secure communication
and data storage.  It can be used to encrypt data, create digital
signatures, help authenticating using Secure Shell and to provide a
framework for public key cryptography.  It includes an advanced key
management facility and is compliant with the OpenPGP and S/MIME

GnuPG-2 has a different architecture than GnuPG-1 (e.g. 1.4.6) in that
it splits up functionality into several modules.  However, both
versions may be installed alongside without any conflict.  In fact,
the gpg version from GnuPG-1 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 is its smaller size and the lack of dependency on
other modules at run and build time.  We will keep maintaining GnuPG-1
versions because they are very useful for small systems and for server
based applications requiring only OpenPGP support.

GnuPG is distributed under the terms of the GNU General Public License
(GPL).  GnuPG-2 works best on GNU/Linux or *BSD systems. 

Getting the Software

Please follow the instructions found at http://www.gnupg.org/download/
or read on:

GnuPG 2.0.2 may be downloaded from one of the GnuPG mirror sites or
direct from ftp://ftp.gnupg.org/gcrypt/ .  The list of mirrors can be
found at http://www.gnupg.org/mirrors.html .  Note, that GnuPG is not
available at ftp.gnu.org.

On the mirrors you should find the following files in the *gnupg*

  gnupg-2.0.2.tar.bz2 (3.8M)

      GnuPG source compressed using BZIP2 and OpenPGP signature.

  gnupg-2.0.1-2.0.2.diff.bz2 (53k)

      A patch file to upgrade a 2.0.1 GnuPG source.

Note, that we don't distribute gzip compressed tarballs.  

Checking the Integrity

In order to check that the version of GnuPG which you are going to
install is an original and unmodified one, you can do it in one of
the following ways:

 * If you already have a trusted version of GnuPG installed, you
   can simply check the supplied signature.  For example to check the
   signature of the file gnupg-2.0.2.tar.bz2 you would use this command:

     gpg --verify gnupg-2.0.2.tar.bz2.sig

   This checks whether the signature file matches the source file.
   You should see a message indicating that the signature is good and
   made by that signing key.  Make sure that you have the right key,
   either by checking the fingerprint of that key with other sources
   or by checking that the key has been signed by a trustworthy other
   key.  Note, that you can retrieve the signing key using the command

     finger wk ,at' g10code.com

   or using a keyserver like

     gpg --recv-key 1CE0C630

   The distribution key 1CE0C630 is signed by the well known key
   5B0358A2.  If you get an key expired message, you should retrieve a
   fresh copy as the expiration date might have been prolonged.


 * If you are not able to use an old version of GnuPG, you have to verify
   the SHA-1 checksum.  Assuming you downloaded the file
   gnupg-2.0.2.tar.bz2, you would run the sha1sum command like this:

     sha1sum gnupg-2.0.2.tar.bz2

   and check that the output matches the first line from the
   following list:

1a3165c5b601f3244b8885143d02bea4210495e3  gnupg-2.0.2.tar.bz2
1d42f46ae2c0d00b56be34bcd95fff51b77163a6  gnupg-2.0.1-2.0.2.diff.bz2

What's New

 * Fixed a serious and exploitable bug in processing encrypted
   packages. [CVE-2006-6235].  Note, that a patch was distributed
   along with the first report of that bug.

 * Added --passphrase-repeat to set the number of times GPG will
   prompt for a new passphrase to be repeated.  This is useful to help
   memorize a new passphrase.  The default is 1 repetition.

 * Using a PIN pad does now also work for the signing key.

 * A warning is displayed by gpg-agent if a new passphrase is too
   short.  New option --min-passphrase-len defaults to 8.

 * The status code BEGIN_SIGNING now shows the used hash algorithms.


GnuPG comes with support for 27 languages.  Due to a lot of new and
changed strings most translations are not entirely complete.  The
Swedish, Turkish, German and Russian translations should be complete.


We are currently working on an installation guide to explain in more
detail how to configure the new features.  As of now the chapters on
gpg-agent and gpgsm include brief information on how to set up the
whole thing.  Please watch the GnuPG website for updates of the
documentation.  In the meantime you may search the GnuPG mailing list
archives or ask on the gnupg-users mailing lists for advise on how to
solve problems.  Many of the new features are around for several years
and thus enough public knowledge is already available.  KDE's KMail is
the most prominent user of GnuPG.  In fact it has been developed along
with the Kmail folks.  Mutt users might want to use the configure
option "--enable-gpgme" and "set use_crypt_gpgme" in ~/.muttrc to make
use of GnuPG-2 to enable S/MIME in addition to a reworked OpenPGP


Improving GnuPG is costly, but you can help!  We are looking for
organizations that find GnuPG useful and wish to contribute back.  You
can contribute by reporting bugs, improve the software, or by donating

Commercial support contracts for GnuPG are available, and they help
finance continued maintenance.  g10 Code GmbH, a Duesseldorf based
company owned and headed by GnuPG's principal author, is currently
funding GnuPG development.  We are always looking for interesting
development projects.

A service directory is available at:



We have to thank all the people who helped with this release, be it
testing, coding, translating, suggesting, auditing, administering the
servers, spreading the word or answering questions on the mailing

Happy Hacking,

  The GnuPG Team (David, Marcus, Werner and all other contributors)

Werner Koch                                      <wk at gnupg.org>
The GnuPG Experts                                http://g10code.com
Join the Fellowship and protect your Freedom!    http://www.fsfe.org
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