Re: [openpgp] User ID Attribute Subpacket

Justus Winter <justuswinter@gmail.com> Tue, 05 March 2019 12:56 UTC

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From: Justus Winter <justuswinter@gmail.com>
Date: Tue, 05 Mar 2019 13:56:35 +0100
Message-ID: <CA+t5QVvKydXuZddAH34oDsFgABJv35ZHHP_ARnf8vWM+HU1pCA@mail.gmail.com>
To: Peter Pentchev <roam@ringlet.net>
Cc: Derek Atkins <derek@ihtfp.com>, openpgp@ietf.org
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Subject: Re: [openpgp] User ID Attribute Subpacket
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On Tue, Mar 5, 2019 at 9:14 AM Peter Pentchev <roam@ringlet.net> wrote:
> I believe that by "additional attributes" Derek also means "additional
> attribute types" - not just images, but other, not yet defined, types of
> attributes, in which to keep additional data.  This might be what you're
> missing from his explanations - he wants to have a packet that contains
> a user ID and *other* attributes, not necessarily images, that might not
> take too much space.

If it is not about images, then the case for creating a new UserAttribute
subpacket is even weaker, because Derek's proposal already includes
some predefined keys for notation data.

I don't see why these "additional attributes" can not be included in the
Signature packet as notations.