Hello,
Please unsubscribe me from this list.
Chris
On 10/01/2022 15:08, gnupg-users-requ...@gnupg.org wrote:
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Today's Topics:
1. AW: GPG key generated on Windows... (Robert Flosbach)
2. Re: AW: GPG key generated on Windows... (Werner Koch)
3. Re: one ecc key-pair for both encryption and signature?
(Bernhard Reiter)
4. Re: Yubikeys and GnuPG 2.2/2.3 (Werner Koch)
5. Fwd: gpg: onepass_sig with unknown version 105
(Gilberto F. da Silva)
6. Re: one ecc key-pair for both encryption and signature?
(Robert J. Hansen)
----------------------------------------------------------------------
Message: 1
Date: Sun, 9 Jan 2022 10:25:39 +0100
From: "Robert Flosbach" <r.flosb...@gmx.de>
To: <gnupg-users@gnupg.org>
Subject: AW: GPG key generated on Windows...
Message-ID: <003a01d8053a$de2469c0$9a6d3d40$@gmx.de>
Content-Type: text/plain; charset="UTF-8"
Thank you very much for your help!
For future reference and people having the same issue: gpg2.3 introduced a new
packet type 20 which provides authenticated encryption with associated data
(AEAD) [1]. A key generated with gpg2.3 supports this encryption type and
encryption in Windows (using the current Gpg4win 4.0.0) defaults to AEAD for a
key generated with default settings. Since AEAD/type 20 is not supported yet by
version 2.2, decryption on linux distros is not possible using version 2.2.X
from their repositories.
[1]
https://tools.ietf.org/id/draft-ietf-openpgp-rfc4880bis-06.html#rfc.section.5.16
------------------------------
Message: 2
Date: Sun, 09 Jan 2022 12:14:27 +0100
From: Werner Koch <w...@gnupg.org>
To: Robert Flosbach via Gnupg-users <gnupg-users@gnupg.org>
Subject: Re: AW: GPG key generated on Windows...
Message-ID: <87h7adtb3g....@wheatstone.g10code.de>
Content-Type: text/plain; charset="us-ascii"
On Sun, 9 Jan 2022 10:25, Robert Flosbach said:
For future reference and people having the same issue: gpg2.3
introduced a new packet type 20 which provides authenticated
encryption with associated data (AEAD) [1]. A key generated with
gpg2.3 supports this encryption type and encryption in Windows (using
the current Gpg4win 4.0.0) defaults to AEAD for a key generated with
There are two ways to change this: the first is to change the
preferences on your key (using 2.3's --edit-key) and the second is to
put
--8<---------------cut here---------------start------------->8---
ignore-invalid-option personal-aead-preferences
personal-aead-preferences none
--8<---------------cut here---------------end--------------->8---
into gpg.conf . From the man page:
--personal-aead-preferences string
Set the list of personal AEAD preferences to string. Use gpg
--version to get a list of available algorithms, and use none to set
no preference at all. This allows the user to safely override the
algorithm chosen by the recipient key preferences, as GPG will only
select an algorithm that is usable by all recipients. The most
highly ranked cipher in this list is also used for the --symmetric
encryption command.
(the ignore-invalid-option line allows to use the same gpg.conf
also with gpg 2.2)
Shalom-Salam,
Werner
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