[Help-gnutls] GnuTLS 1.4.4

[Simon Josefsson]

I am happy to announce GnuTLS 1.4.4, a bugfix release on the stable
1.4 branch.  This version is what we recommend for those who need a
stable version of GnuTLS.

GnuTLS is a modern C library that implement the standard network
security protocol Transport Layer Security (TLS), for use by network
applications.

Noteworthy changes since 1.4.3:

** Relax the test that caught signatures that exploit the variant of
** Bleichenbacher's Crypto 06 rump session attack on our
** verification logic flaw.
In particular, we now permit the digestAlgorithm.parameters field to
be present but empty, whereas in 1.4.3 we actually checked that the
field was absent.

** Revert the removal of debug information for the GNUTLS-SA-2006-3 problem.
The messages are only printed in debug mode, which is not recommended
for normal use, and thus logging this situation cannot be abused as an
oracle in typical recommended situations.

Note that this release does not contain any security fixes compared to
1.4.3, however, it does fix a crash that was introduced by 1.4.3, and
it also fixes false negatives when verifying certificates.  Thus,
users are strongly encouraged to upgrade to this version.

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.

All manual formats are available from:
  http://www.gnutls.org/manual/

Direct link to the most popular formats:
  http://www.gnutls.org/manual/gnutls.html - HTML format
  http://www.gnutls.org/manual/gnutls.pdf  - PDF format
  http://www.gnutls.org/reference/ch01.html  - API Reference, GTK-DOC HTML

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>.

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

Here are the compressed sources (3.9MB):
  http://josefsson.org/gnutls/releases/gnutls-1.4.4.tar.bz2

Here are GPG detached signatures signed using key 0xB565716F:
  http://josefsson.org/gnutls/releases/gnutls-1.4.4.tar.bz2.sig

The software is cryptographically signed by the author using an
OpenPGP key identified by the following information:

pub   1280R/B565716F 2002-05-05 [expires: 2007-02-15]
uid                  Simon Josefsson <jas at extundo.com>
uid                  Simon Josefsson <simon at josefsson.org>
sub   1280R/4D5D40AE 2002-05-05 [expires: 2007-02-15]
sub   1024R/09CC4670 2006-03-18 [expires: 2007-04-22]
sub   1024R/AABB1F7B 2006-03-18 [expires: 2007-04-22]
sub   1024R/A14C401A 2006-03-18 [expires: 2007-04-22]

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

Here are the SHA-1 and SHA-224 checksums:

8f6ee112c8d93dd726e8e3d0e3fbf234f085a2cd  gnutls-1.4.4.tar.bz2
a72377bccf8d49421f7f5f4e0ff85b489ef4d8d1  gnutls-1.4.4.tar.bz2.sig

a357b06cecc3ed5b79d98a26c08bc0b4137aa90bb6453e10a5845681  gnutls-1.4.4.tar.bz2
9aad60797aa994fbac8fd0b8ec6127acfa0c01a75680a6520dc28fc1  gnutls-1.4.4.tar.bz2.sig

Enjoy,
Nikos and Simon
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