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Re: [Cfrg] ISE seeks help with some crypto drafts

Tony Arcieri <bascule@gmail.com> Sat, 09 March 2019 01:32 UTC

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From: Tony Arcieri <bascule@gmail.com>
Date: Fri, 08 Mar 2019 17:32:36 -0800
Message-ID: <CAHOTMVJSazerng82T7LGZqQ9H5ODrLOacKKYMXrqGYJ42sDm+A@mail.gmail.com>
To: John Mattsson <john.mattsson@ericsson.com>
Cc: David Wong <davidwong.crypto@gmail.com>, "Salz, Rich" <rsalz@akamai.com>, "sec-ads@ietf.org" <sec-ads@ietf.org>, "cfrg@irtf.org" <cfrg@irtf.org>, "rfc-ise@rfc-editor.org" <rfc-ise@rfc-editor.org>, "secdir@ietf.org" <secdir@ietf.org>
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Subject: Re: [Cfrg] ISE seeks help with some crypto drafts
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Given this, and perhaps temporarily suspending discussion of the Jutla and
Grigor patents, I'm curious what kind of IPR statement would be needed from
Rogaway to alleviate concerns about his specific patents.

On Fri, Mar 8, 2019 at 4:11 PM John Mattsson <john.mattsson@ericsson.com>
wrote:

> Given that CFRG has already published OCB3 in RFC 7253, which was recently
> included in the CEASAR final portfolio, I would like to see the OCB3
> wideblock draft published somewhere. I agree with Rich that it would be
> better to replace RFC 7523.
>
> Reading RFC 7523 again, it does not feel optimal that the two slightly
> different modes defined in RFC 7523 and the FSE 2011 paper are both called
> OCB3.
>
> The OCB wideblock document seems to meet the requirements in RFC 4846.
>
> /John
>
> -----Original Message-----
> From: Cfrg <cfrg-bounces@irtf.org> on behalf of David Wong <
> davidwong.crypto@gmail.com>
> Date: Friday, 8 March 2019 at 19:11
> To: "Salz, Rich" <rsalz@akamai.com>
> Cc: "sec-ads@ietf.org" <sec-ads@ietf.org>, "cfrg@irtf.org" <cfrg@irtf.org>,
> "rfc-ise@rfc-editor.org" <rfc-ise@rfc-editor.org>, "secdir@ietf.org" <
> secdir@ietf.org>
> Subject: Re: [Cfrg] ISE seeks help with some crypto drafts
>
> Note that OCB was chose as a finalist in the CAESAR competition. Knowing
> that, it sounds like a good idea to standardize it.
>
> On the other hand, if I understand correctly you need to pay a one-time
> fee to use the algorithm in a commercial product? I think that’s a big
> no-no considering we want everybody to use good open source libraries.
>
> David
>
> > On Mar 8, 2019, at 9:56 AM, Salz, Rich <rsalz@akamai.com> wrote:
> >
> >    https://datatracker.ietf.org/doc/draft-krovetz-ocb-wideblock/
> >
> > I would rather see this rewritten to completely replace 7523 (and
> include its test vectors of course)  Would review.
> >
> >    https://datatracker.ietf.org/doc/draft-krovetz-rc6-rc5-vectors/
> >
> > I don't see a compelling need for this, but I am not strongly opposed
> either.
> >
> > _______________________________________________
> > Cfrg mailing list
> > Cfrg@irtf.org
> > https://www.irtf.org/mailman/listinfo/cfrg
>
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-- 
Tony Arcieri

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