GnuTLS 2.8.4

Simon Josefsson simon at josefsson.org
Fri Sep 18 11:26:03 CEST 2009 

We are proud to announce a new stable GnuTLS release: Version 2.8.4.

GnuTLS is a modern C library that implements the standard network
security protocol Transport Layer Security (TLS), for use by network
applications.  GnuTLS is developed for GNU/Linux, but works on many
Unix-like systems and comes with a binary installer for Windows.

The GnuTLS library is distributed under the terms of the GNU Lesser
General Public License version 2.1 (or later).  The "extra" GnuTLS
library (which contains TLS/IA support, LZO compression and Libgcrypt
FIPS-mode handler), the OpenSSL compatibility library, the self tests
and the command line tools are all distributed under the GNU General
Public License version 3.0 (or later).  The manual is distributed
under the GNU Free Documentation License version 1.3 (or later).

The project page of the library is available at:
  http://www.gnu.org/software/gnutls/

What's New
==========

** libgnutls: Enable Camellia ciphers by default.

** libgnutls: Make OpenPGP hostname checking work again.
The patch to resolve the X.509 CN/SAN issue accidentally broken
OpenPGP hostname comparison.

** libgnutls: When printing X.509 certificates, handle XMPP SANs better.
Reported by Howard Chu <hyc at symas.com> in
<https://savannah.gnu.org/support/?106975>.

** API and ABI modifications:
No changes since last version.

Getting the Software
====================

GnuTLS may be downloaded from one of the mirror sites or direct from
<ftp://ftp.gnu.org/gnu/gnutls/>.  The list of mirrors can be found at
<http://www.gnu.org/software/gnutls/download.html>.

Here are the BZIP2 compressed sources (6.0MB):

  ftp://ftp.gnu.org/gnu/gnutls/gnutls-2.8.4.tar.bz2
  http://ftp.gnu.org/gnu/gnutls/gnutls-2.8.4.tar.bz2

Here are OpenPGP detached signatures signed using key 0xB565716F:

  ftp://ftp.gnu.org/gnu/gnutls/gnutls-2.8.4.tar.bz2.sig
  http://ftp.gnu.org/gnu/gnutls/gnutls-2.8.4.tar.bz2.sig

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

In order to check that the version of GnuTLS which you are going to
install is an original and unmodified one, you should verify the OpenPGP
signature.  You can use the command

     gpg --verify gnutls-2.8.4.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.  The signing
key can be identified with the following information:

pub   1280R/B565716F 2002-05-05 [expires: 2010-04-21]
      Key fingerprint = 0424 D4EE 81A0 E3D1 19C6  F835 EDA2 1E94 B565 716F
uid                  Simon Josefsson <simon at josefsson.org>
uid                  Simon Josefsson <jas at extundo.com>
sub   1280R/4D5D40AE 2002-05-05 [expires: 2010-04-21]

The key is available from:
  http://josefsson.org/key.txt
  dns:b565716f.josefsson.org?TYPE=CERT

Alternatively, after successfully verifying the OpenPGP signature of
this announcement, you could verify that the files match the following
checksum values.  The values are for SHA-1 and SHA-224 respectively:

27bea240164b9287807543387682c7052f7318c2  gnutls-2.8.4.tar.bz2
01199002c127f3399a9c983e89c0a32de2983855cf20c10ffbe182a1  gnutls-2.8.4.tar.bz2

Documentation
=============

The manual is available online at:

  http://www.gnu.org/software/gnutls/documentation.html

In particular the following formats are available:

 HTML: http://www.gnu.org/software/gnutls/manual/html_node/index.html
 PDF: http://www.gnu.org/software/gnutls/manual/gnutls.pdf

For developers there is a GnuTLS API reference manual formatted using
the GTK-DOC tools:

  http://www.gnu.org/software/gnutls/reference/gnutls-gnutls.html

For developers interested in improving code quality, we publish
Cyclomatic code complexity charts that help you find code that may need
review and improvements:

  http://www.gnu.org/software/gnutls/cyclo/

Also useful are code coverage charts which indicate parts of the source
code that needs to be tested better by the included self-tests:

  http://www.gnu.org/software/gnutls/coverage/

Community
=========

If you need help to use GnuTLS, or want to help others, you are invited
to join our help-gnutls mailing list, see:

  http://lists.gnu.org/mailman/listinfo/help-gnutls

If you wish to participate in the development of GnuTLS, you are invited
to join our gnutls-dev mailing list, see:

  http://lists.gnu.org/mailman/listinfo/gnutls-devel

Windows installer
=================

GnuTLS has been ported to the Windows operating system, and a binary
installer is available.  The installer contains DLLs for application
development, manuals, examples, and source code.  The installer includes
libgpg-error v1.7, libgcrypt v1.4.4, libtasn1 v2.3, and GnuTLS v2.8.4.

For more information about GnuTLS for Windows:
  http://josefsson.org/gnutls4win/

The Windows binary installer and PGP signature:
  http://josefsson.org/gnutls4win/gnutls-2.8.4.exe (15MB)
  http://josefsson.org/gnutls4win/gnutls-2.8.4.exe.sig

The checksum values for SHA-1 and SHA-224 are:

0205a1ce535744e675a9d5f1087d03a671d785e8  gnutls-2.8.4.exe
84033d1d26140bf705758cb4cc813d0eb6ab59b059103c6980abf60a  gnutls-2.8.4.exe

A ZIP archive containing the Windows binaries:
  http://josefsson.org/gnutls4win/gnutls-2.8.4.zip (5.3MB)
  http://josefsson.org/gnutls4win/gnutls-2.8.4.zip.sig

The checksum values for SHA-1 and SHA-224 are:

38aa360a5b4471abf66ef9f08e0cdb7374ed6957  gnutls-2.8.4.zip
cf6e475623dc581a9f5b5a5deccbd764d56eddb7256c298b2d98c38b  gnutls-2.8.4.zip

A Debian mingw32 package is also available:
  http://josefsson.org/gnutls4win/mingw32-gnutls_2.8.4-1_all.deb (4.8MB)

The checksum values for SHA-1 and SHA-224 are:

e8d222b86fe89a3819da73c8b0391e9512a9f140  mingw32-gnutls_2.8.4-1_all.deb
73fc1a233713539c454d277b1858f63fe62954c8a212ec964481c545  mingw32-gnutls_2.8.4-1_all.deb

Internationalization
====================

The GnuTLS library messages have been translated into Czech, Dutch,
French, German, Malay, Polish, Swedish, and Vietnamese.  We welcome the
addition of more translations.

Support
=======

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

Commercial support contracts for GnuTLS are available, and they help
finance continued maintenance.  Simon Josefsson Datakonsult AB, a
Stockholm based privately held company, is currently funding GnuTLS
maintenance.  We are always looking for interesting development
projects.  See http://josefsson.org/ for more details.

The GnuTLS service directory is available at:

  http://www.gnu.org/software/gnutls/commercial.html

Happy Hacking,
Simon
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