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[openpgp] Re: I-D list for Open Specification for Pretty Good Privacy notification: Changes to draft-gallagher-openpgp-code-point-exhaustion

Andrew Gallagher <andrewg@andrewg.com> Wed, 19 March 2025 10:53 UTC

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From: Andrew Gallagher <andrewg@andrewg.com>
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Date: Wed, 19 Mar 2025 10:53:08 +0000
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Subject: [openpgp] Re: I-D list for Open Specification for Pretty Good Privacy notification: Changes to draft-gallagher-openpgp-code-point-exhaustion
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On 19 Mar 2025, at 10:20, Justus Winter <justus@sequoia-pgp.org> wrote:
> 
> Your proposal breaks computing the fingerprint of secret key packets
> again unless the implementation understands your multi-byte encoding.
> I consider that a regression.
> 
> I'm going to strongly push back on anything that makes parsing OpenPGP
> artifacts impossible unless you know some as of yet unknown algorithm or
> encoding scheme.  That is a nightmare for forward-compatibility.

Absolutely, being unable to parse unknown packet versions/types causes problems. I’m just trying to get ahead of the issue by publishing this idea decades in advance of it ever becoming necessary, so that if and when it does, we will have had plenty of time to prepare.

A

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