Re: [Cfrg] I-D Action: draft-irtf-cfrg-dragonfly-03.txt

"Dan Harkins" <dharkins@lounge.org> Tue, 04 February 2014 07:37 UTC

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Date: Mon, 03 Feb 2014 23:37:38 -0800
From: Dan Harkins <dharkins@lounge.org>
To: Watson Ladd <watsonbladd@gmail.com>
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Cc: cfrg@ietf.org, David McGrew <mcgrew@cisco.com>
Subject: Re: [Cfrg] I-D Action: draft-irtf-cfrg-dragonfly-03.txt
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On February 3, 2014 5:08 pm, Watson Ladd (aka Cotton Mather) wrote:
> On Feb 3, 2014 4:43 PM, "Paul Lambert" <paul@marvell.com> wrote:
>>
>> Watson, in your technical analysis of the
>> protocol in its current form (draft-irtf-cfrg-dragonfly-03.txt),
>> can you identify any exploitable security flaw specific to
>> the protocol?
>
> Yes: an algorithm exists that guesses passwords in time 2^40. I can't
> exhibit it, but it exists.

  I kind of hoped that spectral evidence did not apply in the hard
sciences.

  Dan.