Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-12 Thread Wessels, Duane
Hi Richard, thanks for the review. This and the earlier messages makes me think that perhaps it would be better to bump the digest type (while possibly using the same hash algorithm) in a future revision, when the reserved field takes on meaning. > On Sep 10, 2019, at 10:10 PM, Richard

Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-10 Thread Richard Gibson
The following excerpts allow for and even encourage software written against this document in its present form to behave in ways that will hinder adoption of future changes, and should probably be altered in order to foster the desired compatibility. Section 2 requires "Each ZONEMD RR MUST

Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-10 Thread Wessels, Duane
Thanks Shane & George, I agree this needs some clarification. Something thats probably missing from the document is that in any future revision of ZONEMD we expect backwards compatibility. For this version, it is expected that Reserved is set to zero. In a future version, if the formerly

Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-09 Thread George Michaelson
This is a not uncommon problem in 'make this protocol work in future' spec. It could say "for version ZERO of this protocol" and then say "future versions of this protocol should stipulate what other values mean, and how this affects handling of all-zeros state, and other states" Saying "must not

Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-09 Thread Shane Kerr
Duane, On 2019-09-06 02:01, Wessels, Duane wrote: With this version the authors feel that it is ready for working group last call. Sorry for a late comment, but I decided to give this one thorough last read-through. I'm a little concerned that the way the Reserved field is described may

Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-05 Thread Wessels, Duane
Dear DNSOP, The primary change between -00 and -01 is the simplification of the verification protocol when multiple ZONEMD RRs are present, per the on-list discussions. Additionally Shane Kerr kindly updated his implementation and confirmed that his and the author's implementations produce and

[DNSOP] I-D Action: draft-ietf-dnsop-dns-zone-digest-01.txt

2019-09-05 Thread internet-drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Domain Name System Operations WG of the IETF. Title : Message Digest for DNS Zones Authors : Duane Wessels Piet Barber