Re: [dns-privacy] [Fwd: New Version Notification for draft-vandijk-dprive-ds-dot-signal-and-pin-00.txt]

Tony Finch <dot@dotat.at> Wed, 27 May 2020 23:43 UTC

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Date: Thu, 28 May 2020 00:43:24 +0100
From: Tony Finch <dot@dotat.at>
To: Peter van Dijk <peter.van.dijk@powerdns.com>
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Subject: Re: [dns-privacy] [Fwd: New Version Notification for draft-vandijk-dprive-ds-dot-signal-and-pin-00.txt]
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Peter van Dijk <peter.van.dijk@powerdns.com> wrote:
> On Tue, 2020-05-26 at 09:10 +0200, Ondřej Surý wrote:
> >
> > 1. Bit 7 of the Flags fields needs to be 0.
>
> Definitely [...] I noted earlier that whatever flags we might need, it's
> definitely *not* ZONE and SEP.
>
> > 2. This needs a new Protocol number
>
> I understand why you would say that, but I'd love to avoid doing that.
> I wonder how much 'IETF' pain specifying another protocol number would
> be, but what worries me more, ironically, is how it changes the format
> away from normal DNSSEC. The draft was written such that a lot of
> existing software needs no changes at all - I don't know if changing
> the protocol number is compatible with that goal.

This made me wonder if this pseudorecord should be a KEY instead, and then
I wondered how hard it would be to persuade existing code to generate a DS
from a KEY.

But anyway, this signalling and verification scheme sounds clever and neat.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
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