Re: [Gen-art] [Last-Call] [dns-privacy] Genart last call review of draft-ietf-dprive-bcp-op-07

Stephen Farrell <stephen.farrell@cs.tcd.ie> Tue, 11 February 2020 03:39 UTC

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To: Eric Rescorla <ekr@rtfm.com>, Mohit Sethi M <mohit.m.sethi@ericsson.com>
Cc: General Area Review Team <gen-art@ietf.org>, Rob Sayre <sayrer@gmail.com>, "last-call@ietf.org" <last-call@ietf.org>, "draft-ietf-dprive-bcp-op.all@ietf.org" <draft-ietf-dprive-bcp-op.all@ietf.org>, Sara Dickinson <sara@sinodun.com>, Benjamin Kaduk <kaduk@mit.edu>, DNS Privacy Working Group <dns-privacy@ietf.org>
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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Date: Tue, 11 Feb 2020 03:39:41 +0000
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Subject: Re: [Gen-art] [Last-Call] [dns-privacy] Genart last call review of draft-ietf-dprive-bcp-op-07
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On 10/02/2020 19:56, Eric Rescorla wrote:

> https://blog.mozilla.org/security/2020/01/21/crlite-part-3-speeding-up-secure-browsing/

Nice! Hope the experiment goes well as it seems
a good-looking idea. Bit of a pity this mechanism
also pushes towards more centralisation, (IIUC). But
on balance, that's not a huge deal, the Mozilla
version of this being part of the already-centralised
(via browser-makers/root store operators) webpki.

Anyway overall I take this as more evidence that
x.509-based pki has outlived it's useful lifetime.
Given the webpki needs CT (which it totally does)
and now maybe novel revocation mechanisms like this,
(as well as soon-to-be PQ schemes if we believe
what people tell us), I'd argue it may well be time
to try see if there's any consensus on a post-x.509
direction towards which to head.

Cheers,
S.