Re: [Json] [Technical Errata Reported] RFC7493 (5354)

"Matthew A. Miller" <linuxwolf+ietf@outer-planes.net> Fri, 11 May 2018 18:38 UTC

Return-Path: <linuxwolf+ietf@outer-planes.net>
X-Original-To: json@ietfa.amsl.com
Delivered-To: json@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A008912D7E5 for <json@ietfa.amsl.com>; Fri, 11 May 2018 11:38:54 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.911
X-Spam-Level:
X-Spam-Status: No, score=-1.911 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_DKIMWL_WL_MED=-0.01] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=outer-planes-net.20150623.gappssmtp.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 QIR8jz7ATgPk for <json@ietfa.amsl.com>; Fri, 11 May 2018 11:38:52 -0700 (PDT)
Received: from mail-ot0-x22b.google.com (mail-ot0-x22b.google.com [IPv6:2607:f8b0:4003:c0f::22b]) (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 BAD3F126E01 for <json@ietf.org>; Fri, 11 May 2018 11:38:52 -0700 (PDT)
Received: by mail-ot0-x22b.google.com with SMTP id h8-v6so7317069otb.2 for <json@ietf.org>; Fri, 11 May 2018 11:38:52 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outer-planes-net.20150623.gappssmtp.com; s=20150623; h=sender:subject:cc:references:to:from:openpgp:autocrypt:message-id :date:user-agent:mime-version:in-reply-to; bh=TqZnBJ5ZbqnxC1wAR7PlVeXo8PnSHc6jF29siWpXKGg=; b=mWS7+pI84C2ykI5hYAnnDLD7PS1HCQsCxSnjU86aNgVTcxU25SaA7P7My3KXt+YHR+ V9LAaKH1ABqhlDwFdXlr2lywZ+WqNpkIyzIS32QMaVZ7s5r89fQbW9ses3DRbnu/6tSs c43d6B+r0R/SZOfxbj09zjjNDjYTAtHHT4UCU1DQLcVC7+lytE3sKAkP1TJo7RdUyabA aFhViaV4E7ZWJK32fALI2YoqqeQt7rwEdqFvHD/fD363lLmVFmkyuVt27C69g+EXwEgN u8Qmue1dFk61jMTXFeVgjluaQA8AiLBWNM7rJqIBhAtPN07Lwwn6kdvrk2hmKZoTViyJ jzEg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:cc:references:to:from:openpgp :autocrypt:message-id:date:user-agent:mime-version:in-reply-to; bh=TqZnBJ5ZbqnxC1wAR7PlVeXo8PnSHc6jF29siWpXKGg=; b=RBINa5G+KbKMwo/udXhgtqKpSv/69Nv+vj/Z/8/3R1y0QlNBWpkrUaNkSjavgW2YAH jRkujC5jMh4w+2ksEIAFmhX6VJOiebRsHeS/hDQC0PyysqD+5ykN8w4fKSUOV87cmIHy 16Ci9kftMCRDjkzsCp+dghGQixZe3DZyzTzRs1jBWS9obuc0BS/Ou54dvREXOctoG5+1 GFlT6cfHKJcxYNmNcbLJHweYQoXIwFWUPsYnyXBP/7mr+/cGIFyudhlllGNENjjcIkmx cmr+miZ7EjVX+BMUi3UKC/qO8Ze4TXHcMlDgYKWnlSDU+Y1oPI0Vl1xLHiQfTc4EHZS+ UhWg==
X-Gm-Message-State: ALKqPweAzcZf1aq0LiFOX+zmLCQDlF0+XmCoyuMFL7iEOvQP549JL3g3 ob5pKldZVn56WVWpTZ0ogWyOHuUGGwaVrw==
X-Google-Smtp-Source: AB8JxZpETBlZosXehAumcjz6GDyp3hrTk9GqrPfZi6J+cdik0/xPqa6JZ9k67k9JgRDwwlBN1Q7uWg==
X-Received: by 2002:a9d:2e0f:: with SMTP id q15-v6mr4492112otb.302.1526063931656; Fri, 11 May 2018 11:38:51 -0700 (PDT)
Received: from [10.6.21.160] ([128.177.113.102]) by smtp.gmail.com with ESMTPSA id r37-v6sm2196197ota.10.2018.05.11.11.38.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 11 May 2018 11:38:51 -0700 (PDT)
Sender: Matthew Miller <linuxwolf@outer-planes.net>
Cc: Carsten Bormann <cabo@tzi.org>, Anders Rundgren <anders.rundgren.net@gmail.com>, Joe Hildebrand <hildjj@cursive.net>, json@ietf.org
References: <20180510050214.916C4B81EA7@rfc-editor.org> <4EB0B6DE-2416-4909-9EDA-975439055F33@cursive.net> <b23ce436-22c3-17bf-c830-59ee88b9fc2f@gmail.com> <dea9478a-6752-b723-a303-ef3544c57f33@gmail.com> <595C4165-6AED-4D0B-A286-A53BC605E631@tzi.org>
To: RFC Errata System <rfc-editor@rfc-editor.org>, Ben Campbell <ben@nostrum.com>, Alexey Melnikov <aamelnikov@fastmail.fm>, Adam Roach <adam@nostrum.com>
From: "Matthew A. Miller" <linuxwolf+ietf@outer-planes.net>
Openpgp: preference=signencrypt
Autocrypt: addr=linuxwolf+ietf@outer-planes.net; prefer-encrypt=mutual; keydata= xsBNBFJoAooBCADQmEtpbpY/4wTeKgZIuyG7HkxIFgiUeqOvtiBKj/pCA73d7Q5hCvQdGcKJ 6uZsYz3Il9oKoKFxVt90iEXspbE39g6ek19e6RsB4j0Q10l4QvH+EqeD760gs0H2yf/eYj9i uk9/VY6axdQlPsmid1zoQgCNjSM7X4/K26WGMs03sbXJpKdoonelzIlJSNfzi0q546iplo72 D2cCm9BriMkQvcGnsm4B9eBIBn3GKmVx1tsmPNeNTyun2DvaLnrYxbA0Ivo1DzZReds9NZ25 uROI/+b+lcg9/kmHzhK+q8NMQCFWmqpS/lZRKxVBSijKGpGr5h8VLVf5iURHtwG+B/QxABEB AAHNLk1hdHRoZXcgQS4gTWlsbGVyIDxsaW51eHdvbGZAb3V0ZXItcGxhbmVzLm5ldD7CwIAE EwEKACoCGwMFCwkIBwMFFQoJCAsFFgIDAQACHgECF4AFCQvHJDEFAlirCeQCGQEACgkQ7PRy ThCeBbt+sAgAzUQokr+f+ArieIrv2JkiQLqiBaZX29Aph9YwG3OPLWSdESEKkFOSJT0LWbsC cAKHLrVfgl2+6iPhf4OOacTdqK7wS6vruPZC1ChdO7NZTgbVa0hP/Q/QKEoaMGNdfc1/lgxY 5kwh+bvGIF1+HyadytgCBBHxdVEhYI7G3ejKqA8iVwri1VW0Wjp8iWdjpF74swIHhid5GcAu 6VJgVNJw3P+WkTkNrkd2tx5yUfNXQuGyFhxwlpiuaOpIk3p74P6e8h/riMpkJ5mIH/ryGTH7 qxpEIuep2bLQZmGwBen8kf3MO/VbiA/NMY6OHdc93EBKr0g7n2BA5uFLdy79FqAA3M7ATQRS aAKKAQgAwP67h8GJUO6XYyWOrcJGXDJnnZEDS+q+bTQXkJMFa74rVIx0yioqY8QdpBJFGaMT 4DCNYe/3pw61ZTDDKqukSCfOh/ssdd8zSGTQZSX5lR4B4+00/LKWugP6iHHHYiETbBVb5bxc aR/LE41Wx3z2HsW3TkeZB6WVk82MTclS1zCuY3p9AeCvr424BSQL7KC38y2eQc95G+nabsVD c6oQ8oZOf1D2giBb2VgbYkSppKj8BKvBtmjCauWeEq/AkZKaDAdua8Qj0vEfgcoh8aavlPJi rqj1YNSyc3AO4R5prPGgTepcUpW8ip8xIPAFoJXfuvsZSV7uVP36gwApU4+ZnwARAQABwsB8 BBgBCgAmAhsMFiEEMddYjeyQaQ1rzJjg7PRyThCeBbsFAlpvpIsFCQvLWoEACgkQ7PRyThCe BbuNHAf/cchJ7kHoIr5i+jgVRuR71AGlxlMbVolnS5tza3bi9Ie63LRdOtMUE3pDUQo25cWd cP7pzwwRBCDD2GxfIuyMCWaES0xtQdTIyNOAFFOtBtCFOrsNEk+iLAu6GBr4QzSQKW1QW4/b vcfpM2pLQn7Zd6naUioEYfTHCMmYHr7hQXaPNEQ7V/J4pLVAN8bHyVgQ9ciQN91DUs6jnueM BUW7DNvuHq0RDzA+ufYdpQAjwl4z1v+rnJ79P3HTxfFdiTTAk9MjyVQklHxS067cmLYkSOku dnCOHhDmSFwkKd9EwOBNuztpjCzmM5SgOT+U/iHH+IM/Hv6bjVCiAQ5WOihe6Q==
Message-ID: <1f8fc49a-3411-1d83-e4e6-e7907fcdd741@outer-planes.net>
Date: Fri, 11 May 2018 12:38:49 -0600
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.7.0
MIME-Version: 1.0
In-Reply-To: <595C4165-6AED-4D0B-A286-A53BC605E631@tzi.org>
Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="IV651HgFBNj6bhgHVD2Rlk4xVIbXBMiWP"
Archived-At: <https://mailarchive.ietf.org/arch/msg/json/aaHAcHgC6DWrMdCDOKzUkezl5zQ>
Subject: Re: [Json] [Technical Errata Reported] RFC7493 (5354)
X-BeenThere: json@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "JavaScript Object Notation \(JSON\) WG mailing list" <json.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/json>, <mailto:json-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/json/>
List-Post: <mailto:json@ietf.org>
List-Help: <mailto:json-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/json>, <mailto:json-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 11 May 2018 18:38:55 -0000

RFC Editor and AD, please reject errata 5354 of RFC 7493.

Thank you to all in evaluating.



- m&m

Matthew A. Miller
On 18/05/11 07:24, Carsten Bormann wrote:
> On May 11, 2018, at 10:21, Anders Rundgren <anders.rundgren.net@gmail.com> wrote:
>>
>> Since we presumably agree on that integers represented as JSON Numbers can (in a scheme constrained by IEEE-754 double precision), cover exactly the range -(2**53) to 2**53, the issue boils down to the ability validating that you actually are sending or receiving integers within that range.
> 
> As I mentioned, you can’t validate that you are receiving -2**53, with a stock, fully interoperable I-JSON decoder implementation.
> 
> Both ECMAScript and I-JSON are right in taking out 2**53 out of the safe space.
> 
> (And, of course, lots more integers can be represented in binary64, e.g. all numbers 2**53+2*n where n is an unsigned integer < 2**52.  This is just not very useful for interoperable exchange of integers via JSON; neither for n=0 nor for other values of n.)
> 
>> Feel free rejecting this errata report.  
> 
> Yes, that is what should be done.
> 
>> Personally, I stick to “int53".
> 
> (int54, if such a thing existed, is still not I-JSON safe at MININT54 = -2**53.)
> 
> Grüße, Carsten
> 
> _______________________________________________
> json mailing list
> json@ietf.org
> https://www.ietf.org/mailman/listinfo/json
>