IETF Logo Mail Archive

Re: [Gen-art] GEN-Art LC review of draft-ietf-jose-cfrg-curves-05

Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com> Thu, 18 August 2016 13:23 UTC

Return-Path: <kathleen.moriarty.ietf@gmail.com>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A7C8212DC3F; Thu, 18 Aug 2016 06:23:04 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LUCb1V7qEyia; Thu, 18 Aug 2016 06:23:03 -0700 (PDT)
Received: from mail-ua0-x22a.google.com (mail-ua0-x22a.google.com [IPv6:2607:f8b0:400c:c08::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E544212DE02; Thu, 18 Aug 2016 06:23:02 -0700 (PDT)
Received: by mail-ua0-x22a.google.com with SMTP id n59so27482228uan.2; Thu, 18 Aug 2016 06:23:02 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=ttQcWR5gEFQPBpKp/DcKKY5/5bzq6V4KCHWcGDbb4uI=; b=0j21bi4CbPMzIFHL4DCPg/Q2X5gDvWo/03CldJCeXTN3TydFJ5mJ50XG/odCdJ0fBo W4ZsRMv13FIOlIWXoc3op39Z3ZO0PgNsiTNtBR6a2quvt4WcQgigzD/CePwhh0UCzDb3 qYqIUxUMMcx9K3Xth0atH2PRETquZqXJ7+favn6SiqW5t1jMap6VFAe4n5allbBHFd2g GBJxXnxLGO1+103xnR4zPIxPkCMPaWNN740xr2KR2R4Se+lV0CZYAoVWkIv7vhHswlma d0lKMmwoXcZNPFrAiU4JkbzgyAieUQCSNuDYc2exMICCbJWc+BRxDT2AI3BejWGuiu5Z eDyg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=ttQcWR5gEFQPBpKp/DcKKY5/5bzq6V4KCHWcGDbb4uI=; b=SEItn/mxjA0RkC1SeKLBSP556OvDFMopASi0vJW35LLViByQRCqvxGDdG/Rq/hBdYD pkFBQKLO8l59cuWwXluwIU+3P71+walhDW27Rhb1oTkgVbz5DtXsFXDaFEnEWuWqr6at aU7xyqA8yHBbnWe1G7jj2VNtVoYK3WJNOufSM8jI3l+XZTzd9XoL0rSLKhIdAivwTLco J3Y1DrW/EhI+mVWPnAyCQnRD8uJMDyDf8ZCdj/Jgqc3jfhl5tbtzLsV5TLvbqlbAivYL JoK3Hs19VD2xNXECGci0h5aECFHGtShh+bITlayBdC8zlgVDm8bSTD9PVZP5rAWsXmhU XSjw==
X-Gm-Message-State: AEkoousNbmfwfm4Vr/Y1kiUTtaTghIxWOli7Ixl7j1fTVVbhlZxMRDC9aXs5eMWcawiYow6XjjMYldV/2eoYHA==
X-Received: by 10.31.74.199 with SMTP id x190mr1014636vka.42.1471526582118; Thu, 18 Aug 2016 06:23:02 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.176.1.228 with HTTP; Thu, 18 Aug 2016 06:23:01 -0700 (PDT)
In-Reply-To: <20160818132043.f27ok77hd6kosjln@LK-Perkele-V2.elisa-laajakaista.fi>
References: <010f01d1f1b5$22c31580$68494080$@gmail.com> <4A962815-7FDB-46FD-929B-41C23924391B@piuha.net> <20160818132043.f27ok77hd6kosjln@LK-Perkele-V2.elisa-laajakaista.fi>
From: Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>
Date: Thu, 18 Aug 2016 09:23:01 -0400
Message-ID: <CAHbuEH5_Rrd=QeZcYYOme5EY610oMwKZcCWWrtnY7vuL_MvjqA@mail.gmail.com>
Subject: Re: [Gen-art] GEN-Art LC review of draft-ietf-jose-cfrg-curves-05
To: Ilari Liusvaara <ilariliusvaara@welho.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf/9xFwAPGeHU7CLCr_7ETe6dnYTMU>
Cc: draft-ietf-jose-cfrg-curves.all@ietf.org, IETF <ietf@ietf.org>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 18 Aug 2016 13:23:04 -0000

Ilari,

Thanks for your response.  Could you propose text to address the last question?

Thanks,
Kathleen

On Thu, Aug 18, 2016 at 9:20 AM, Ilari Liusvaara
<ilariliusvaara@welho.com> wrote:
> On Thu, Aug 18, 2016 at 02:21:27PM +0200, Jari Arkko wrote:
>> Thanks for your review, Roni!
>>
>> Authors, did you observe the editorial suggestions?
>
> Did the changes to Editor's Copy.
>
> The comment about corner-cases I just deleted[1].
>
>
> My understanding (I am a newbie to writing IETF RFCs) is that in this
> stage of process, I should not submit updated version without being
> told to do that (IIRC, by shepherd, AD or datatracker state).
>
>
>
>
> [1] Basically, ECDSA specifies that if the hash is longer than the
> bitlength of the order, the hash gets truncated.
>
> With NIST curves and hashes any such truncation is always to integral
> number of octets.
>
> However, Curve25519 is so small even SHA-256 would truncate, and
> since its order is ~2^252, the truncation would be to fractional
> number of octets.
>
>
>
> -Ilari.



-- 

Best regards,
Kathleen

v2.23.0 | Report a Bug | By Email