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Re: [openpgp] User ID Attribute Subpacket

Wiktor Kwapisiewicz <wiktor@metacode.biz> Wed, 20 February 2019 10:39 UTC

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To: Justus Winter <justuswinter@gmail.com>
Cc: openpgp@ietf.org
References: <CA+t5QVsS871zG30dhW_GZ9ALq8bDASD-D3p0YQp9iGJEXUddmA@mail.gmail.com> <d34d0310-2851-dc4b-b5b3-79c7ec530e73@metacode.biz> <CA+t5QVsTATuw4pRhEdMOogh3YA237Rd2zOzzX3B3tZL04tfE0w@mail.gmail.com>
From: Wiktor Kwapisiewicz <wiktor@metacode.biz>
Openpgp: preference=signencrypt
Autocrypt: addr=wiktor@metacode.biz; keydata= mQINBFhoYHoBEADzmg9UuwDrtvyejU01gDY1J1iJiCi4XGJ4lCfYeLC2jSagIxU/5Lu0lRft 0Loi2tsjpo0c8docP7HFxafEEvnnt/iabd6I536llMuw0uno4PgnD3ljcCMZLT+vn+amIDta lzVoMnSqzoNUotMNMtjIFuAaQ/wr4/Mp9CIgJdviGUc3PscqUiiUVVtk6uF0x657NULZgSIT /Mrqlr2i4RuyPwXe2Qt0uEA3KWWjF0l2NpAMVrqz+nHsLoNOaAsfdx94bzKQrrSeSQqEO2f+ /eO/hbUAFAmEhrotmUO8wJNygo8TgkdlzFI+UE4p8/KW0aCgGGgR8YkCvHq2OQhAAYFNJoNz Hqw0FGxdsY8qWFkYpoSB8zKspNy8KliofCamMYXoPF7eVIxIiKvxrAykGP4jNnzSoV0cn+bY fXnox1IhnqbnoJIT7kTmXv4JmWoYm8ThHqpEgcQOUUQzSRXb9OiNwiXT71ijeO1qswMRpsgk 6AGKSZGWxa3c4ive/p8z1Ax27BFZSh2FceIcMCcGLrDjnQYgeFsAJ1jSxZQXkGuJFHfb4nff Big7aq/vyKrQFQXG0NQQL7rZAdk/s665vifos0yPmRDu7yDT1ggdyBp4Pa4re+ZJcNRNzNHo zU9al+CoImCQjnTtKMXmOe/BzGrpHI4QR3NNzVa423WCIWkHfwARAQABtClXaWt0b3IgS3dh cGlzaWV3aWN6IDx3aWt0b3JAbWV0YWNvZGUuYml6PokCxQQTAQoArwIbAQgLCQgHDQwLCgUV CgkICwIeAQIXgHMUgAAAAAAqAEB0aW1lc3RhbXArYml0Y29pbi10cmFuc2FjdGlvbkBtZXRh Y29kZS5iaXphZmNiMDkyYzVjYTY0MDk1MjZkMThhZTljZjIyZDNiNTVkMzdlNzIzZWIxYjc0 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Organization: Metacode
Message-ID: <d7bf74c8-8415-da7a-4bf9-5bd455fb657e@metacode.biz>
Date: Wed, 20 Feb 2019 11:39:33 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/openpgp/SEXri9AaJ4ZiBQDYc-PGkd8YzgM>
Subject: Re: [openpgp] User ID Attribute Subpacket
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Hi Justus,

On 20.02.2019 11:30, Justus Winter wrote:
> Based on these observations I challenge the claim that the proposed
> subpacket adds any value to the standard, and propose to remove it.

I agree.

Actually from my casual skimming of the device certifications draft I 
see most of the changes can be implemented over what is already in OpenPGP.

As you've said - User IDs are quite flexible [0] and the other change of 
device certifications - standard notations (that is notation names that 
doesn't contain "@") could just use regular notation names (e.g. 'manu' 
Notation could be 'manu@device-certs.example').

That would keep OpenPGP as small as possible without parts that most 
implementations would basically omit.

Having said that I wasn't around when it was conceived so probably there 
is some rationale for its inclusion.

Kind regards,
Wiktor

[0] I did experiment with putting URIs in User IDs for extended info 
(https://github.com/wiktor-k/distributed-ids#distributed-ids)

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