Re: [CFRG] [Cfrg] Call for adoption: Threshold Signatures

Christopher Wood <caw@heapingbits.net> Mon, 02 November 2020 23:47 UTC

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Date: Mon, 02 Nov 2020 15:46:49 -0800
From: "Christopher Wood" <caw@heapingbits.net>
To: "Richard Barnes" <rlb@ipv.sx>, isis@patternsinthevoid.net
Cc: CFRG <cfrg@irtf.org>
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Subject: Re: [CFRG] [Cfrg] Call for adoption: Threshold Signatures
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On Mon, Nov 2, 2020, at 2:49 PM, Richard Barnes wrote:
> On Mon, Nov 2, 2020 at 5:20 PM isis agora lovecruft 
> <isis@patternsinthevoid.net> wrote:
> > Christopher Wood transcribed 1.1K bytes:
> > > On Thu, Oct 8, 2020, at 9:33 AM, Nick Sullivan wrote:
> > >
> > 
> > > Probably only one. The structure of draft-hallambaker-threshold-sigs as an
> > > extension to RFC8032 is attractive, though I think draft-komlo-frost (and
> > > the related paper) is generally a better starting point, especially given
> > > its assessment of attacks on related schemes such as 2020/945. It also
> > > seems to have plenty of backing implementations and reviews. If we can
> > > specialize it to RFC8032, perhaps with Richard's work as the basis for
> > > that change, then I prefer FROST.
> > 
> > Hi Chris,
> > 
> > What do you mean by specialising it to RHC8032?  Do you mean literally
> > producing RFC8032 backwards compatible EdDSA signatures using the ed25519
> > and ed448 groups?
> 
> I'm not Chris, but that's what I understood him to mean, and I agree 
> with Chris that it would be good to have such a specialization.

+1 -- thanks!

Best,
Chris