Re: [Cfrg] J-PAKE and Schnorr NIZK for informational RFCs

Watson Ladd <watsonbladd@gmail.com> Mon, 14 November 2016 15:14 UTC

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From: Watson Ladd <watsonbladd@gmail.com>
Date: Mon, 14 Nov 2016 07:14:17 -0800
Message-ID: <CACsn0ck4uFHrKzX9EDGSADjv1BkpnGPA3v4ncR8R9dkTn5DWgg@mail.gmail.com>
To: Feng Hao <feng.hao@newcastle.ac.uk>
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Subject: Re: [Cfrg] J-PAKE and Schnorr NIZK for informational RFCs
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I'm sad to see J-PAKE continue to have legs given its terrible
performance compared to alternatives. What's the point?

On Mon, Nov 14, 2016 at 3:53 AM, Feng Hao <feng.hao@newcastle.ac.uk> wrote:
> Hi,
>
> Recently I submitted J-PAKE and Schnorr NIZK to IETF for "informational RFC". Both drafts are currently under review in the independent submission stream.
>
> As per the reviewers' comments, I've revised the drafts to clarify a few points.
>
> Schnorr draft
>  * Clarify the parameters for the finite field and elliptic curves. The DSA/ECDSA parameters are used only as an example; other groups can also be used.
>  * Clarify the requirement for the hash function. It needs to be collision-resistant in a practical realisation with recommended hash functions given.
>
> J-PAKE draft
>  * Clarify that key confirmation can be implicit or explicit, and that explicit key confirmation is recommended in a practical implementation of J-PAKE.
>
> The latest drafts are below:
>
> Name:           draft-hao-schnorr
> Revision:       05
> Title:          Schnorr NIZK Proof: Non-interactive Zero Knowledge Proof for Discrete Logarithm
> Document date:  2016-11-14
> Group:          Individual Submission
> Pages:          11
> URL:            https://www.ietf.org/internet-drafts/draft-hao-schnorr-05.txt
> Status:         https://datatracker.ietf.org/doc/draft-hao-schnorr/
> Htmlized:       https://tools.ietf.org/html/draft-hao-schnorr-05
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-hao-schnorr-05
>
> Name:           draft-hao-jpake
> Revision:       05
> Title:          J-PAKE: Password Authenticated Key Exchange by Juggling
> Document date:  2016-11-14
> Group:          Individual Submission
> Pages:          14
> URL:            https://www.ietf.org/internet-drafts/draft-hao-jpake-05.txt
> Status:         https://datatracker.ietf.org/doc/draft-hao-jpake/
> Htmlized:       https://tools.ietf.org/html/draft-hao-jpake-05
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-hao-jpake-05
>
> Your comments are most welcome!
>
> Cheers,
> Feng
>
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