Hi! The GnuPG Project is pleased to announce the availability of Libgcrypt version 1.8.6. This is a maintenance release.
Libgcrypt is a general purpose library of cryptographic building blocks. It is used by GnuPG and many other programs. Libgcrypt does not provide any implementation of OpenPGP, S/MIME, or other protocols. Thorough understanding of applied cryptography is required to use Libgcrypt. Noteworthy changes in version 1.8.6 =================================== * Bug fixes: - Fix build problems on OpenIndiana et al. [#4818] - Fix GCM bug on arm64 which troubles for example OMEMO. [#4986] - Fix wrong code execution in Poly1305 ARM/NEON implementation. [#4833] - Detect a div-by-zero in a debug helper tool. [#4868] - Use a constant time mpi_inv in some cases and change the order mpi_invm is called. [#4869] - Fix mpi_copy to correctly handle flags of opaque MPIs. - Fix mpi_cmp to consider +0 and -0 the same. * Other features: - Add OIDs from RFC-8410 as aliases for Ed25519 and Curve25519. Release-info: https://dev.gnupg.org/T4985 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: https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.8.6.tar.bz2 https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.8.6.tar.bz2.sig or gzip compressed: https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.8.6.tar.gz https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.8.6.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-1.8.6.tar.bz2 you would use this command: gpg --verify libgcrypt-1.8.6.tar.bz2.sig libgcrypt-1.8.6.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. Make sure that this is a valid key, either by matching the shown fingerprint against a trustworthy list of valid release signing keys or by checking that the key has been signed by trustworthy other keys. See the end of this mail for information on the signing keys. - If you are not able to use an existing version of GnuPG, you have to verify the SHA-1 checksum. On Unix systems the command to do this is either "sha1sum" or "shasum". Assuming you downloaded the file libgcrypt-1.8.6.tar.bz2, you run the command like this: sha1sum libgcrypt-1.8.6.tar.bz2 and check that the output matches the first line from the this list: 406b02873833427898d16bcc8483bc5c91c73d4a libgcrypt-1.8.6.tar.bz2 1aa882e816f6ab9375307f19f26c5ea7a5d27b76 libgcrypt-1.8.6.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 if needed ask on the gcrypt-devel mailing list. In case of problems specific to this release please first check <https://dev.gnupg.org/T4985> for updated information. Please also consult the archive of the gcrypt-devel mailing list before reporting a bug: <https://gnupg.org/documentation/mailing-lists.html>. We suggest to send bug reports for a new release to this list in favor of filing a bug at <https://bugs.gnupg.org>. If you need commercial support go to <https://gnupg.com> or <https://gnupg.org/service.html>. If you are a developer and you need a certain feature for your project, please do not hesitate to bring it to the gcrypt-devel mailing list for discussion. Thanks ====== Maintenance and development of GnuPG is mostly financed by donations. The GnuPG project currently employs two full-time developers and one contractor. They all work exclusively on GnuPG and closely related software like Libgcrypt, GPGME and Gpg4win. We have to thank all the people who helped the GnuPG project, be it testing, coding, translating, suggesting, auditing, administering the servers, spreading the word, and answering questions on the mailing lists. Many thanks to our numerous financial supporters, both corporate and individuals. Without you it would not be possible to keep GnuPG in a good shape and to address all the small and larger requests made by our users. Thanks. Happy hacking, Your GnuPG hackers p.s. This is an announcement only mailing list. Please send replies only to the gcrypt-devel'at'gnupg.org mailing list. p.p.s List of Release Signing Keys: To guarantee that a downloaded GnuPG version has not been tampered by malicious entities we provide signature files for all tarballs and binary versions. The keys are also signed by the long term keys of their respective owners. Current releases are signed by one or more of these three keys: rsa2048 2011-01-12 [expires: 2021-12-31] Key fingerprint = D869 2123 C406 5DEA 5E0F 3AB5 249B 39D2 4F25 E3B6 Werner Koch (dist sig) rsa2048 2014-10-29 [expires: 2020-10-30] Key fingerprint = 031E C253 6E58 0D8E A286 A9F2 2071 B08A 33BD 3F06 NIIBE Yutaka (GnuPG Release Key) <gniibe 'at' fsij.org> rsa3072 2017-03-17 [expires: 2027-03-15] Key fingerprint = 5B80 C575 4298 F0CB 55D8 ED6A BCEF 7E29 4B09 2E28 Andre Heinecke (Release Signing Key) The keys are available at <https://gnupg.org/signature_key.html> and in any recently released GnuPG tarball in the file g10/distsigkey.gpg . Note that this mail has been signed by a different key. -- Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
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