Re: [openpgp] [RFC4880bis PATCH] Deprecate "Revocation Key", replacing with full-key "Designated Revoker"

Daniel Kahn Gillmor <dkg@fifthhorseman.net> Wed, 31 July 2019 20:38 UTC

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From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
To: IETF OpenPGP WG <openpgp@ietf.org>
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Date: Wed, 31 Jul 2019 16:37:43 -0400
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Subject: Re: [openpgp] [RFC4880bis PATCH] Deprecate "Revocation Key", replacing with full-key "Designated Revoker"
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On Wed 2019-07-31 16:34:44 -0400, Daniel Kahn Gillmor wrote:
> The "revocation key" subpacket is problematic.  It is the the most
> fragile piece of the specification wrt the fingerprint (collisions
> against a fingerprint can create surprising revocation effects).  And
> it is potentially difficult to rely on for clients which might not be
> able to find the revoking key (for example, if keyservers are
> unavailable).
>
> It is also not currently widely used.
>
> This patch to the spec deprecates the "revocation key" subpacket and
> replaces it with a "designated revoker" subpacket that includes the
> full key, rather than the fingerprint.

this is also at https://gitlab.com/openpgp-wg/rfc4880bis/merge_requests/18

     --dkg