We are proud to announce a new stable GnuTLS release: Version 2.4.1. GnuTLS is a modern C library that implement 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 core GnuTLS library is distribute under the terms of the GNU Lesser General Public License version 2.1 (or later). The "extra" GnuTLS libraries -- which contains TLS/IA support, LZO compression -- and the OpenSSL compatibility library self tests and command line tools are distributed under the GNU General Public License version 3.0 (or later). The manual is distributed under the GNU Free Documentation License version 1.2 (or later). The project page of the library is available at: http://www.gnutls.org/ http://www.gnu.org/software/gnutls/ http://josefsson.org/gnutls/ What's New ========== Changes compared to the last stable release version 2.4.1: ** libgnutls: Fix local crash in gnutls_handshake. [GNUTLS-SA-2008-2] If the gnutls_handshake function is called for a normal session, which can happen for re-handshakes, the library would crash because it tried to hash some data using a libgcrypt handle that had been deallocated. Report and tiny patch from Tomas Mraz <[EMAIL PROTECTED]>. Any updates with more details about this vulnerability will be added to <http://www.gnu.org/software/gnutls/security.html> ** libgnutls: Fix memory leaks when doing a re-handshake. Reported by Sam Varshavchik <[EMAIL PROTECTED]> in <http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2928>. ** Fix compiler warnings. Reported by Massimo Gaspari <[EMAIL PROTECTED]> in <http://thread.gmane.org/gmane.network.gnutls.general/1281>. ** Fix ordering of -I's to avoid opencdk.h conflict with system headers. Reported by Roman Bogorodskiy <[EMAIL PROTECTED]> in <http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2930>. ** srptool: Fix a problem where --verify check does not succeed. Report and tiny patch by Matthias Koenig <[EMAIL PROTECTED]> in <http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2944>. ** 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.gnutls.org/pub/gnutls/>. The list of mirrors can be found at <http://www.gnu.org/software/gnutls/download.html>. Here are the BZIP2 compressed sources (4.8MB): ftp://ftp.gnutls.org/pub/gnutls/gnutls-2.4.1.tar.bz2 http://josefsson.org/gnutls/releases/gnutls-2.4.1.tar.bz2 Here are OpenPGP detached signatures signed using key 0xB565716F: ftp://ftp.gnutls.org/pub/gnutls/gnutls-2.4.1.tar.bz2.sig http://josefsson.org/gnutls/releases/gnutls-2.4.1.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-2.4.1.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: 2009-04-21] Key fingerprint = 0424 D4EE 81A0 E3D1 19C6 F835 EDA2 1E94 B565 716F uid Simon Josefsson <[EMAIL PROTECTED]> uid Simon Josefsson <[EMAIL PROTECTED]> sub 1280R/4D5D40AE 2002-05-05 [expires: 2009-04-21] 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: 7a439542e6344d5ccf11a29431a0600e7fe1c735 gnutls-2.4.1.tar.bz2 b38deef0f27412212b02c871e584d3ae9958c8d445de21c5496f2c49 gnutls-2.4.1.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 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.gnupg.org/mailman/listinfo/gnutls-dev>. 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 consists of libgpg-error 1.6, libgcrypt 1.4.1, libtasn1 1.4, and GnuTLS 2.4.1. For more information about GnuTLS for Windows: http://josefsson.org/gnutls4win/ The Windows binary installer and PGP signature: http://josefsson.org/gnutls4win/gnutls-2.4.1.exe (14MB) http://josefsson.org/gnutls4win/gnutls-2.4.1.exe.sig The checksum values for SHA-1 and SHA-224 are: a629764717b16f545e0a91f116215df36c5219fe gnutls-2.4.1.exe 0d3cdd14f01d58644045d440ef95fc78ab55de03e605999621b601d7 gnutls-2.4.1.exe Thanks to Enrico Tassi, we also have mingw32 *.deb's available: http://josefsson.org/gnutls4win/mingw32-gnutls_2.4.1-1_all.deb The checksum values for SHA-1 and SHA-224 are: 92a1efe32fe3e3e14807a4b4543e5902ef56389c mingw32-gnutls_2.4.1-1_all.deb a0776c2f5cc3e06d79fc1df3bc58cbf59e2b5ed920c72a6ac53e9139 mingw32-gnutls_2.4.1-1_all.deb Internationalization ==================== GnuTLS messages have been translated into Dutch, 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, 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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