Re: [CFRG] compact representation and HPKE

Stephen Farrell <stephen.farrell@cs.tcd.ie> Fri, 12 February 2021 22:18 UTC

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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
To: Dan Harkins <dharkins@lounge.org>, Eric Rescorla <ekr@rtfm.com>
Cc: CFRG <cfrg@irtf.org>
References: <0fcfb0ed-249b-7cd3-09ba-ed1c73122383@lounge.org> <CABcZeBMGJQ7sAKovy3japXVVLWRB8ydpsDzZxhijvFCtXptsZQ@mail.gmail.com> <b7bd5286-ccc1-c753-9d09-c647619581b5@lounge.org> <e09c73e0-27f4-cfdc-efab-3cdb8686d5b0@cs.tcd.ie>
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Date: Fri, 12 Feb 2021 22:18:50 +0000
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Subject: Re: [CFRG] compact representation and HPKE
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Probably obvious but...

On 12/02/2021 22:11, Stephen Farrell wrote:
> 
> I need to check (and haven't) but IIRC for an earlier draft
> I had a problem that the OpenSSL APIs didn't support the
> compressed form for NIST curves, so it'd have been both a
> PITA to use those and would mean you could do HPKE with a

s/could/couldn't/ above ;-)

> FIPS compliant implementation IIUC. (Note: I could be
> recalling wrong, and if so, apologies, but if not...) for
> me, this isn't a case of encouraging cfrg curves but rather
> one of enabling simpler and more broad implementation.