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Re: [openpgp] respecting key flags for decryption

Werner Koch <wk@gnupg.org> Fri, 09 November 2018 08:10 UTC

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From: Werner Koch <wk@gnupg.org>
To: Peter Gutmann <pgut001@cs.auckland.ac.nz>
Cc: Vincent Breitmoser <look@my.amazin.horse>, Jon Callas <joncallas@icloud.com>, "openpgp@ietf.org" <openpgp@ietf.org>
References: <75BF6022-6C87-45A7-9FE9-678EA022C39A@icloud.com> <F6G9P4PUTM.2GANNJVZZYB8G@my.amazin.horse> <F6H5ZXC03G.2SFRGQ14E5LZK@my.amazin.horse> <1541716302530.66616@cs.auckland.ac.nz>
Organisation: GnuPG e.V.
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Date: Fri, 09 Nov 2018 09:06:54 +0100
In-Reply-To: <1541716302530.66616@cs.auckland.ac.nz> (Peter Gutmann's message of "Thu, 8 Nov 2018 22:31:50 +0000")
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Subject: Re: [openpgp] respecting key flags for decryption
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On Thu,  8 Nov 2018 23:31, pgut001@cs.auckland.ac.nz said:

> Maybe all of these unofficial reference implementations need a strict-checking
> mode for when they're being (incorrectly) used as reference
> implementations

 gpg --compliance=openpgp ....

is intended to do just that.  However there is a wide range of case
where things are not specified.  For example the decryption with a key
having from the usage flags.   Actually I expected to see a warning
there but that is unfortunately not the case and currently master even
rejects to decrypt with bad usage flags [1].


Shalom-Salam,

   Werner


[1] https://dev/gnupg.org/T4246
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