Re: [Secdispatch] Problem statement for post-quantum multi-algorithm PKI

Benjamin Kaduk <kaduk@mit.edu> Mon, 09 December 2019 07:12 UTC

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Date: Sun, 8 Dec 2019 23:12:45 -0800
From: Benjamin Kaduk <kaduk@mit.edu>
To: Mike Ounsworth <Mike.Ounsworth@entrustdatacard.com>
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Subject: Re: [Secdispatch] Problem statement for post-quantum multi-algorithm PKI
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On Wed, Dec 04, 2019 at 11:35:51PM +0000, Mike Ounsworth wrote:
> As an author of a couple of the “hybrid” certificate drafts you mention, I can maybe add some context.
> 
> In the X.509 certificate space, we had been using the word “hybrid certificate” to refer to draft-truskovsky-lamps-pq-hybrid-x509. Since this is A) IP owned by ISARA, and B) ISARA has now branded this as an ISARA Catalyst Agile Digital Certificate, maybe that solves the problem of term-overloading.
> https://www.isara.com/catalyst/
> 
> We have been using the term “composite certificate / signature” to refer to draft-ounsworth-pq-composite-sigs. If “composite” is going to become the most generic umbrella term, then perhaps we need to think of a new name to attach to this draft?

Is this not just the instantiation of the generic "composite
certificate/signature" for X.509 usage?  If so, then there is not much of a
naming conflict, to me.

-Ben