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Re: [Cfrg] RFC 7664 on Dragonfly Key Exchange

Watson Ladd <watsonbladd@gmail.com> Thu, 12 November 2015 01:18 UTC

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Date: Wed, 11 Nov 2015 20:18:30 -0500
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From: Watson Ladd <watsonbladd@gmail.com>
To: rfc-editor@rfc-editor.org
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Cc: "cfrg@irtf.org" <cfrg@irtf.org>, irtf-announce@irtf.org, rfc-dist@rfc-editor.org, ietf-announce@ietf.org
Subject: Re: [Cfrg] RFC 7664 on Dragonfly Key Exchange
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Dear all,
This protocol does not match the one whose security was proven. The
modification is cheap: include identities in the Confirmation
Exchange. It's specifically suggested in the text. Why was this not
done?

Sincerely,
Watson

On Wed, Nov 11, 2015 at 8:00 PM,  <rfc-editor@rfc-editor.org> wrote:
> A new Request for Comments is now available in online RFC libraries.
>
>
>         RFC 7664
>
>         Title:      Dragonfly Key Exchange
>         Author:     D. Harkins, Ed.
>         Status:     Informational
>         Stream:     IRTF
>         Date:       November 2015
>         Mailbox:    dharkins@arubanetworks.com
>         Pages:      18
>         Characters: 37576
>         Updates/Obsoletes/SeeAlso:   None
>
>         I-D Tag:    draft-irtf-cfrg-dragonfly-08.txt
>
>         URL:        https://www.rfc-editor.org/info/rfc7664
>
>         DOI:        http://dx.doi.org/10.17487/RFC7664
>
> This document specifies a key exchange using discrete logarithm
> cryptography that is authenticated using a password or passphrase.
> It is resistant to active attack, passive attack, and offline
> dictionary attack.  This document is a product of the Crypto Forum
> Research Group (CFRG).
>
> This document is a product of the Crypto Forum Research Group of the IRTF.
>
>
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