Re: [Cfrg] What are the goals of the AEAD bakeoff?
Dmitry Belyavsky <beldmit@gmail.com> Mon, 22 June 2020 16:05 UTC
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From: Dmitry Belyavsky <beldmit@gmail.com>
Date: Mon, 22 Jun 2020 19:04:58 +0300
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To: Paul Grubbs <pag225@cornell.edu>
Cc: "Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu>, CFRG <cfrg@irtf.org>
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Subject: Re: [Cfrg] What are the goals of the AEAD bakeoff?
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Do we really need competition instead of classification? On Mon, Jun 22, 2020 at 7:03 PM Paul Grubbs <pag225@cornell.edu> wrote: > I agree that there are a lot of potentially important goals, and that more > clarity is needed before choosing design targets. This seems like a good > use case for a multi-round competition: in the first round, people can > propose design goals, then the CFRG can select a few goals for which people > propose concrete schemes in subsequent rounds. > > On Sun, Jun 21, 2020 at 4:31 PM Blumenthal, Uri - 0553 - MITLL < > uri@ll.mit.edu> wrote: > >> I concur with Watson. Different use cases need different "winners". >> >> >> On 6/21/20, 15:01, "Cfrg on behalf of Watson Ladd" < >> cfrg-bounces@irtf..org <cfrg-bounces@irtf.org> on behalf of >> watsonbladd@gmail.com> wrote: >> >> Unlike PAKE, where a multitude of designs all claimed to have achieved >> the same security and usability goals, the goals of this competition >> seem multifaceted and in tension. On the one side is a desire for >> larger encrypted data volumes, either via big blocks or beyond >> birthday techniques. Evaluating a big-block construction is likely to >> involve substantial symmetric cryptanalysis knowledge. >> >> On the other is a demand for key-committing schemes and nonce hiding >> schemes. Both of these are likely to have efficiency costs compared to >> potentially one-pass big block (or tweaked) schemes. >> >> I don't think it makes sense to have a competition. I think it makes >> sense to articulate the problems and present them to get people >> interested in proposing designs/understanding the tradeoffs, and then >> maybe have a competition once that is clearer. >> >> Sincerely, >> Watson >> >> _______________________________________________ >> Cfrg mailing list >> Cfrg@irtf.org >> https://www.irtf.org/mailman/listinfo/cfrg >> _______________________________________________ >> Cfrg mailing list >> Cfrg@irtf.org >> https://www.irtf.org/mailman/listinfo/cfrg >> > _______________________________________________ > Cfrg mailing list > Cfrg@irtf.org > https://www.irtf.org/mailman/listinfo/cfrg > -- SY, Dmitry Belyavsky
- [Cfrg] What are the goals of the AEAD bakeoff? Watson Ladd
- Re: [Cfrg] What are the goals of the AEAD bakeoff? Blumenthal, Uri - 0553 - MITLL
- Re: [Cfrg] What are the goals of the AEAD bakeoff? Paul Grubbs
- Re: [Cfrg] What are the goals of the AEAD bakeoff? Dmitry Belyavsky
- Re: [Cfrg] What are the goals of the AEAD bakeoff? Blumenthal, Uri - 0553 - MITLL