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Re: [openpgp] Weird OIDs in the 4880bis draft

Peter Gutmann <pgut001@cs.auckland.ac.nz> Thu, 09 February 2023 12:55 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Werner Koch <wk@gnupg.org>
CC: "openpgp@ietf.org" <openpgp@ietf.org>
Thread-Topic: [openpgp] Weird OIDs in the 4880bis draft
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Date: Thu, 09 Feb 2023 12:54:46 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/openpgp/Zd2ICPfynE58nHJbsCSKw1kVq7g>
Subject: Re: [openpgp] Weird OIDs in the 4880bis draft
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Werner Koch <wk@gnupg.org> writes:

>The one for Curve25519 is from your own arc - if that is not a standard, what
>else should make up a standard ;-)

That OID doesn't actually exist, I've never used it or recorded it anywhere.
Its history is that about ten years ago the Crypto++ guys needed some gap-
filler value to use because at that time nothing else was defined and I
jokingly said they could use a random value I made up from the cryptlib arc.

>The OIDs are in widespread use for many years and we can't replace them
>anymore.

Counterargument: The draft is still a draft, not an RFC, which means now is
the perfect opportunity to fix this problem.  If people really have pushed out
implementations based on an in-progress draft then they can still accept the
made-up OID value but should, going forward, move to actual proper OIDs.
Eventually the keys using the made-up value will expire and only the
standards-compliant ones will remain.

Peter.

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