[Announce] Libgcrypt 1.7.2 released

[Werner Koch]

Hello!

The GnuPG Project is pleased to announce the availability of Libgcrypt
version 1.7.2.  This is a maintenace release.

Libgcrypt is a general purpose library of cryptographic building blocks.
It is originally based on code used by GnuPG.  It does not provide any
implementation of OpenPGP or other protocols.  Thorough understanding of
applied cryptography is required to use Libgcrypt.


Noteworthy changes in version 1.7.2
===================================

 * Bug fixes:

   - Fix setting of the ECC cofactor if parameters are specified.

   - Fix memory leak in the ECC code.

   - Remove debug message about unsupported getrandom syscall.

   - Fix build problems related to AVX use.

   - Fix bus errors on ARM for Poly1305, ChaCha20, AES, and SHA-512.

 * Internal changes:

   - Improved fatal error message for wrong use of gcry_md_read.

   - Disallow symmetric encryption/decryption if key is not set.


Download
========

Source code is hosted at the GnuPG FTP server and its mirrors as listed
at https://gnupg.org/download/mirrors.html .  On the primary server
the source tarball and its digital signature are:

 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.bz2 (2778k)
 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.bz2.sig

That file is bzip2 compressed.  A gzip compressed version is here:

 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.gz (3318k)
 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.gz.sig

The same files are also available via HTTP:

 https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.bz2 
 https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.bz2.sig
 https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.gz 
 https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.7.2.tar.gz.sig

In order to check that the version of Libgcrypt you downloaded is an
original and unmodified file please follow the instructions found at
<https://gnupg.org/download/integrity_check.html>.  In short, you may
use one of the following methods:

 - Check the supplied OpenPGP signature.  For example to check the
   signature of the file libgcrypt-1.7.2.tar.bz2 you would use this
   command:

     gpg --verify libgcrypt-1.7.2.tar.bz2.sig libgcrypt-1.7.2.tar.bz2

   This checks whether the signature file matches the source file.  You
   should see a message indicating that the signature is good and made
   by one or more of the release signing keys. 

 - If you are not able to use GnuPG, you have to verify the SHA-1
   checksum:

     sha1sum libgcrypt-1.7.2.tar.bz2

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

85a6a936bcab4c3c05f5efbf6ce847f23d35c0c4  libgcrypt-1.7.2.tar.bz2
8e34352e21744fe3fb0558f9d6af6b69e18cb563  libgcrypt-1.7.2.tar.gz

   You should also verify that the checksums above are authentic by
   matching them with copies of this announcement.  Those copies can be
   found at other mailing lists, web sites, and search engines.
   

Copying
=======

Libgcrypt is distributed under the terms of the GNU Lesser General
Public License (LGPLv2.1+).  The helper programs as well as the
documentation are distributed under the terms of the GNU General Public
License (GPLv2+).  The file LICENSES has notices about contributions
that require that these additional notices are distributed.


Support
=======

For help on developing with Libgcrypt you should read the included
manual and optional ask on the gcrypt-devel mailing list [1].  A
listing with commercial support offers for Libgcrypt and related
software is available at the GnuPG web site [2].

If you are a developer and you may need a certain feature for your
project, please do not hesitate to bring it to the gcrypt-devel
mailing list for discussion.

Maintenance and development of Libgcrypt is mostly financed by
donations; see <https://gnupg.org/donate/>.  We currently employ
3 full-time developers, one part-timer, and one contractor to work on
GnuPG and closely related software like Libgcrypt.


Thanks
======

We like to thank all the people who helped with this release, be it
testing, coding, translating, suggesting, auditing, administering the
servers, spreading the word, and answering questions on the mailing
lists.  Also many thanks to all our donors [3].


For the GnuPG hackers,

   Werner



p.s.
This is an announcement only mailing list.  Please send replies only to
the gcrypt-devel 'at' gnupg.org mailing list.


[1] https://lists.gnupg.org/mailman/listinfo/gcrypt-devel
[2] https://www.gnupg.org/service.html
[3] https://gnupg.org/donate/kudos.html

-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
 /* Join us at OpenPGP.conf  <https://openpgp-conf.org> */
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