[Announce] Libgcrypt 1.5.1 released

[Werner Koch]

Hello!

The GNU project is pleased to announce the availability of Libgcrypt
version 1.5.1.  This is a maintenance release for the stable branch.

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 1.5.1:

 * Allow empty passphrase with PBKDF2.

 * Do not abort on an invalid algorithm number in
   gcry_cipher_get_algo_keylen and gcry_cipher_get_algo_blklen.

 * Fixed some Valgrind warnings.

 * Fixed a problem with select and high fd numbers.

 * Improved the build system

 * Various minor bug fixes.

 * Interface changes relative to the 1.5.0 release:
 GCRYCTL_SET_ENFORCED_FIPS_FLAG         NEW.
 GCRYPT_VERSION_NUMBER                  NEW.


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

 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.5.1.tar.bz2 (1468k)
 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.5.1.tar.bz2.sig

This file is bzip2 compressed.  A gzip compressed version is also
available:

 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.5.1.tar.gz (1741k)
 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.5.1.tar.gz.sig

Alternativley you may upgrade version 1.5.0 using this patch file:

 ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.5.0-1.5.1.diff.bz2 (255k)

The SHA-1 checksums are:

8b60a26b7eae1a727d58932d6b1efeb5716648ed  libgcrypt-1.5.1.tar.bz2
f1ab9ce6ac8c7370d455c77c96b36bf18e2d9c95  libgcrypt-1.5.1.tar.gz
e1b2f59a8771e8a0358dbd9a8eaa3250015cf49e  libgcrypt-1.5.0-1.5.1.diff.bz2


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].

The driving force behind the development of Libgcrypt is my company
g10 Code.  Maintenance and improvement of Libgcrypt and related
software takes up most of our resources.  To allow us to continue our
work on free software, we ask to either purchase a support contract,
engage us for custom enhancements, or to donate money:

  http://g10code.com/gnupg-donation.html

Many thanks to all who contributed to Libgcrypt development, be it bug
fixes, code, documentation, testing or helping users.


Happy hacking,

  Werner



[1] See http://www.gnupg.org/documentation/mailing-lists.html .
[2] See http://www.gnupg.org/service.html

-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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