Re: [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt

"Wessels, Duane" <dwessels@verisign.com> Thu, 26 July 2018 16:37 UTC

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From: "Wessels, Duane" <dwessels@verisign.com>
To: Paul Wouters <paul@nohats.ca>
CC: =?utf-8?B?T25kxZllaiBTdXLDvQ==?= <ondrej@isc.org>, dnsop <dnsop@ietf.org>, "Weinberg, Matt" <mweinberg=40verisign.com@dmarc.ietf.org>
Thread-Topic: [EXTERNAL] [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt
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Date: Thu, 26 Jul 2018 16:37:30 +0000
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Subject: Re: [DNSOP] New Version Notification for draft-wessels-dns-zone-digest-01.txt
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> On Jul 25, 2018, at 9:24 PM, Paul Wouters <paul@nohats.ca> wrote:
> 
> 
>> On Jul 25, 2018, at 20:47, Ondřej Surý <ondrej@isc.org> wrote:
>> 
>> 
>> For ZONEMD, this isn’t true, as you can (in theory) feed the zone with infinite amount of non-DNSSEC-signed
>> data (GLUEs, delegations) thus making the collision attack feasible.
> 
> That’s why I suggested already to add the count of the number or unsigned records to the ZONEMD record.

This sounds like a reasonable idea to me.  I'd like to give some thought to whether it should be a count of unsigned records, or all records.  I'll discuss it with the coauthors.

DW