Re: [Cfrg] I-D Action: draft-irtf-cfrg-augpake-02.txt

SeongHan Shin <seonghan.shin@aist.go.jp> Wed, 06 August 2014 14:55 UTC

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Date: Wed, 6 Aug 2014 23:55:06 +0900
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From: SeongHan Shin <seonghan.shin@aist.go.jp>
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Subject: Re: [Cfrg] I-D Action: draft-irtf-cfrg-augpake-02.txt
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Dear all,

I've submitted a new version of the I-D.
I added AugPAKE in the EC setting to Appendix C.

Any comments are welcome!
Best regards,
Shin



On Wed, Aug 6, 2014 at 11:12 PM, <internet-drafts@ietf.org> wrote:

>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
>  This draft is a work item of the Crypto Forum Research Group Working
> Group of the IETF.
>
>         Title           : Augmented Password-Authenticated Key Exchange
> (AugPAKE)
>         Authors         : SeongHan Shin
>                           Kazukuni Kobara
>         Filename        : draft-irtf-cfrg-augpake-02.txt
>         Pages           : 20
>         Date            : 2014-08-06
>
> Abstract:
>    This document describes a secure and highly-efficient augmented
>    password-authenticated key exchange (AugPAKE) protocol where a user
>    remembers a low-entropy password and its verifier is registered in
>    the intended server.  In general, the user password is chosen from a
>    small set of dictionary whose space is within the off-line dictionary
>    attacks.  The AugPAKE protocol described here is secure against
>    passive attacks, active attacks and off-line dictionary attacks (on
>    the obtained messages with passive/active attacks).  Also, this
>    protocol provides resistance to server compromise in the context that
>    an attacker, who obtained the password verifier from the server, must
>    at least perform off-line dictionary attacks to gain any advantage in
>    impersonating the user.  The AugPAKE protocol is not only provably
>    secure in the random oracle model but also the most efficient over
>    the previous augmented PAKE protocols (SRP and AMP).
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-irtf-cfrg-augpake/
>
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-irtf-cfrg-augpake-02
>
> A diff from the previous version is available at:
> http://www.ietf.org/rfcdiff?url2=draft-irtf-cfrg-augpake-02
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
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>



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SeongHan Shin
Research Institute for Secure Systems (RISEC),
National Institute of Advanced Industrial Science and Technology (AIST),
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