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GnuPG 2.2.18 released
GnuPG 2.2.18 released
Mon, 25 Nov 2019 22:07:36 +0100
Gnus/5.13 (Gnus v5.13)
We are pleased to announce the availability of a new GnuPG release:
version 2.2.18. This is maintenance release to fix a couple of minor
bugs and provide a few feature updates. This release also retires the
use of SHA-1 key signatures created since this year. See below for a
list of changes.
The GNU Privacy Guard (GnuPG, GPG) is a complete and free implementation
of the OpenPGP and S/MIME standards.
GnuPG allows to encrypt and sign data and communication, features a
versatile key management system as well as access modules for public key
directories. GnuPG itself is a command line tool with features for easy
integration with other applications. The separate library GPGME provides
a uniform API to use the GnuPG engine by software written in common
programming languages. A wealth of frontend applications and libraries
making use of GnuPG are available. As an universal crypto engine GnuPG
provides support for S/MIME and Secure Shell in addition to OpenPGP.
GnuPG is Free Software (meaning that it respects your freedom). It can
be freely used, modified and distributed under the terms of the GNU
General Public License.
Noteworthy changes in version 2.2.18
* gpg: Changed the way keys are detected on a smartcards; this
allows the use of non-OpenPGP cards. In the case of a not very
likely regression the new option --use-only-openpgp-card is
* gpg: The commands --full-gen-key and --quick-gen-key now allow
direct key generation from supported cards. [#4681]
* gpg: Prepare against chosen-prefix SHA-1 collisions in key
signatures. This change removes all SHA-1 based key signature
newer than 2019-01-19 from the web-of-trust. Note that this
includes all key signature created with dsa1024 keys. The new
option --allow-weak-key-signatues can be used to override the new
and safer behaviour. [#4755,CVE-2019-14855]
* gpg: Improve performance for import of large keyblocks. [#4592]
* gpg: Implement a keybox compression run. [#4644]
* gpg: Show warnings from dirmngr about redirect and certificate
problems (details require --verbose as usual).
* gpg: Allow to pass the empty string for the passphrase if the
'--passphase=' syntax is used. [#4633]
* gpg: Fix printing of the KDF object attributes.
* gpg: Avoid surprises with --locate-external-key and certain
--auto-key-locate settings. [#4662]
* gpg: Improve selection of best matching key. [#4713]
* gpg: Delete key binding signature when deletring a subkey.
* gpg: Fix a potential loss of key sigantures during import with
self-sigs-only active. [#4628]
* gpg: Silence "marked as ultimately trusted" diagnostics if
option --quiet is used. [#4634]
* gpg: Silence some diagnostics during in key listsing even with
option --verbose. [#4627]
* gpg, gpgsm: Change parsing of agent's pkdecrypt results. [#4652]
* gpgsm: Support AES-256 keys.
* gpgsm: Fix a bug in triggering a keybox compression run if
--faked-system-time is used.
* dirmngr: System CA certificates are no longer used for the SKS
pool if GNUTLS instead of NTBTLS is used as TLS library. [#4594]
* dirmngr: On Windows detect usability of IPv4 and IPv6 interfaces
to avoid long timeouts. [#4165]
* scd: Fix BWI value for APDU level transfers to make Gemalto Ezio
Shield and Trustica Cryptoucan work. [#4654,#4566]
* wkd: gpg-wks-client --install-key now installs the required policy
Getting the Software
Please follow the instructions found at <https://gnupg.org/download/> or
GnuPG 2.2.18 may be downloaded from one of the GnuPG mirror sites or
direct from its primary FTP server. The list of mirrors can be found at
<https://gnupg.org/download/mirrors.html>. Note that GnuPG is not
available at ftp.gnu.org.
The GnuPG source code compressed using BZIP2 and its OpenPGP signature
are available here:
An installer for Windows without any graphical frontend except for a
very minimal Pinentry tool is available here:
The source used to build the Windows installer can be found in the same
directory with a ".tar.xz" suffix.
A new version of Gpg4win including this version of GnuPG will be
released in a few days.
Checking the Integrity
In order to check that the version of GnuPG which you are going to
install is an original and unmodified one, you can do it in one of
the following ways:
* If you already have a version of GnuPG installed, you can simply
verify the supplied signature. For example to verify the signature
of the file gnupg-2.2.18.tar.bz2 you would use this command:
gpg --verify gnupg-2.2.18.tar.bz2.sig gnupg-2.2.18.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 gnupg-2.2.18.tar.bz2, you run the command like this:
and check that the output matches the next line:
This version of GnuPG has support for 26 languages with Chinese
(traditional and simplified), Czech, French, German, Japanese,
Norwegian, Polish, Russian, and Ukrainian being almost completely
Documentation and Support
If you used GnuPG in the past you should read the description of
changes and new features at doc/whats-new-in-2.1.txt or online at
The file gnupg.info has the complete reference manual of the system.
Separate man pages are included as well but they miss some of the
details available only in thee manual. The manual is also available
or can be downloaded as PDF at
You may also want to search the GnuPG mailing list archives or ask on
the gnupg-users mailing list for advise on how to solve problems. Most
of the new features are around for several years and thus enough public
experience is available. https://wiki.gnupg.org has user contributed
information around GnuPG and relate software.
In case of build problems specific to this release please first check
https://dev.gnupg.org/T4684 for updated information.
Please consult the archive of the gnupg-users 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 visit <https://gnupg.org/service.html> or <https://gnupg.com>.
If you are a developer and you need a certain feature for your project,
please do not hesitate to bring it to the gnupg-devel mailing list for
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
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
Your GnuPG hackers
This is an announcement only mailing list. Please send replies only to
the gnupg-users'at'gnupg.org mailing list.
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 four keys:
rsa2048 2011-01-12 [expires: 2019-12-31]
Key fingerprint = D869 2123 C406 5DEA 5E0F 3AB5 249B 39D2 4F25 E3B6
Werner Koch (dist sig)
rsa2048 2014-10-29 [expires: 2019-12-31]
Key fingerprint = 46CC 7308 65BB 5C78 EBAB ADCF 0437 6F3E E085 6959
David Shaw (GnuPG Release Signing Key) <dshaw 'at' jabberwocky.com>
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.
Description: PGP signature
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