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Re: [TLS] WG: New Version Notification for draft-bruckert-brainpool-for-tls13-00.txt

Eric Rescorla <ekr@rtfm.com> Mon, 03 September 2018 14:02 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Mon, 03 Sep 2018 07:01:22 -0700
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To: Hubert Kario <hkario@redhat.com>
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Subject: Re: [TLS] WG: New Version Notification for draft-bruckert-brainpool-for-tls13-00.txt
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On Mon, Sep 3, 2018 at 4:18 AM, Hubert Kario <hkario@redhat.com> wrote:

> On Sunday, 2 September 2018 15:30:45 CEST Bruckert, Leonie wrote:
> > Htmlized:
> > https://tools.ietf.org/html/draft-bruckert-brainpool-for-tls13-00
> >
> > Abstract:
> >
> >    This document specifies the use of several ECC Brainpool curves for
> >
> >    authentication and key exchange in the Transport Layer Security (TLS)
> >
> >    protocol version 1.3.
>
> So I understand why you need SignatureScheme registrations, but I'm
> completely
> missing the need for NamedGroup registrations – are the 26, 27 and 28
> tainted
> somehow?
>

Yes. They are explicitly prohibited by the TLS 1.3 spec. See the previous
discussion on-list.

-Ekr

>
> I also don't see the need to redefine curves from RFC 5639.
> --
> Regards,
> Hubert Kario
> Senior Quality Engineer, QE BaseOS Security team
> Web: www.cz.redhat.com
> Red Hat Czech s.r.o., Purkyňova 115, 612 00  Brno, Czech Republic
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>

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