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[DNSOP] Re: [Ext] Re: Collision Free Key Tags for DNSSEC draft

Philip Homburg <pch-dnsop-6@u-1.phicoh.com> Tue, 15 July 2025 15:20 UTC

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Subject: [DNSOP] Re: [Ext] Re: Collision Free Key Tags for DNSSEC draft
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> > 2) There are two (or more) keys in a DNSSEC RRset that match an RRSIG recor
> d.
> >   This is the expensive part.
> 
> This is not expensive. It is still cheap with the limit or 2 or 3
> failures allowed. I mean, compare this to do doing DoH to all auth
> servers, this crypto operation amounts to nothing.

It is exactly this limit that causes trouble for some validator software.

I don't know why you are comparing this to DoH to all auth servers. As
far as I know, no resolver does DoH all auth servers, if only because most
auth servers don't support DoH in the first place.

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