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Re: [DNSOP] [Technical Errata Reported] RFC8078 (5049)

Dick Franks <rwfranks@acm.org> Mon, 26 June 2017 11:30 UTC

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From: Dick Franks <rwfranks@acm.org>
Date: Mon, 26 Jun 2017 12:29:25 +0100
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To: Jan Včelák <jv@fcelda.cz>
Cc: Ólafur Guðmundsson <olafur@cloudflare.com>, Ondřej Caletka <Ondrej.Caletka@cesnet.cz>, Matthijs Mekking <matthijs@pletterpet.nl>, tjw ietf <tjw.ietf@gmail.com>, IETF DNSOP WG <dnsop@ietf.org>, Suzanne Woolf <suzworldwide@gmail.com>, pwouters@redhat.com, bclaise@cisco.com, Olafur Gudmundsson <olafur+ietf@cloudflare.com>, RFC Editor <rfc-editor@rfc-editor.org>
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Subject: Re: [DNSOP] [Technical Errata Reported] RFC8078 (5049)
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On 26 June 2017 at 10:59, Jan Včelák <jv@fcelda.cz> wrote:

>8

>
> The implementers should be careful and avoid the trouble. In this
> sense, I think parent zone should accept both zero-length and one-byte
> long digests/keys as a request to remove the DS.
>

Exactly!  The _only_ way to recognise DELETE CDS/CDNSKEY is the zero
algorithm field. RFC8078 says that.  All the rest is mere decoration.

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