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Re: [Cfrg] Adoption call for draft-harkins-pkex-05

"Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu> Thu, 12 April 2018 13:34 UTC

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From: "Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu>
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Date: Thu, 12 Apr 2018 09:34:30 -0400
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CC: Dan Harkins <dharkins@lounge.org>, CFRG <cfrg@irtf.org>
To: Richard Barnes <rlb@ipv.sx>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cfrg/MY51bbMReL5calmsFmY99pPaSxk>
Subject: Re: [Cfrg] Adoption call for draft-harkins-pkex-05
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> On Apr 12, 2018, at 09:21, Richard Barnes <rlb@ipv.sx> wrote:
> 
>   I'm not sure where the mashup is. You have basically described PKEX. It does
> SPAKE2 and then it sends identities and a proof of possession protected by the
> PAKE shared secret. 
> 
> What I mean is that in addition to just using the PAKE, you're also changing its internals:
> 
> - Instead of using the password as input, PKEX hashes in the identities

I’d rather type a 20-character password than 256-character hash, thank you!

I prefer keeping PKEX as it is now.

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