IETF Logo Mail Archive

Re: [TLS] Roman Danyliw's No Objection on draft-ietf-tls-grease-03: (with COMMENT)

David Benjamin <davidben@google.com> Thu, 22 August 2019 15:04 UTC

Return-Path: <davidben@google.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7C0921208CD for <tls@ietfa.amsl.com>; Thu, 22 Aug 2019 08:04:10 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -17.499
X-Spam-Level:
X-Spam-Status: No, score=-17.499 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.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 hbbJlrpaT9h1 for <tls@ietfa.amsl.com>; Thu, 22 Aug 2019 08:04:08 -0700 (PDT)
Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) (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 3FEC01208C6 for <tls@ietf.org>; Thu, 22 Aug 2019 08:04:08 -0700 (PDT)
Received: by mail-pf1-x429.google.com with SMTP id w26so4133277pfq.12 for <tls@ietf.org>; Thu, 22 Aug 2019 08:04:08 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=BeUcM3ZxxtdF68m0si98PE8hkHJVO9Lvb3Kf1MU9Ywo=; b=Rr6Gv8SfDulrxvvq064xvW7Kdkoup7Ljl23hFMyoxQpfHSQdR8Gqr/mjub0gTsBjuK gu4lQTBgRBMUFZLN0dG8zYNriwEyNeuXJ7K9PRh87GSG3xDeAlGvrNfb8AA4vZjcZSrg OHUZfbZBdsnuaCLG6fpT6Nl1i518VS4N8WUcGJEm+BHTXt4cw0YKqAMQEgNmLV7DS8U5 +385bH5zkVKhFNOcQSqL3HHT7FTI/fD36PFEY1+mQy+CIU5va0XRpKEh9i9BQ6DI4lSg 75hcPVq8Uiflv+RDNOtjATJFykniA++peRPYRFaFSSvAOxuUZgWcPINjkeCIz6Gi+Xm/ yuyw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=BeUcM3ZxxtdF68m0si98PE8hkHJVO9Lvb3Kf1MU9Ywo=; b=eONCkfuKQ09LkCoGSm1+EJ8vsMRPHtJpHUc3yPl0isKyA7E4P0Wqz10eR86ZhIHi39 BXkQKsk6lR6GEMboVHpOyxe3Pa+ZlYG36t+SdZD4Qf8tIV0vJ45DtRuLAMXo8LrdCe22 SRJsnTR37iIOkq8G4ooiMvMtsRKb9wjVLLPzaIZ0XSbiLbiOtxg8E+1Hcr0Hu77iVR2y zAHJ7sciHpyniZIfhVVKiZja2yaSib4HY8bOgzYLdjEMDbu5olhCCfUTxLDcXd8RGd9i xXR59lW+FYz9yPFV6CnaMraKCLlcxTySSS/0nPuhKgg0RqcwVCNWV+XA82Hso+wQqp6X YqgQ==
X-Gm-Message-State: APjAAAXgCLMVm6YEw4sikpmASIQp2x1v4lczbtFS3EDrydx6u/eTm9Uw BpLfxdumzMSCGczjtvMyHtrz3M1S9kbNCpcH3B4Y
X-Google-Smtp-Source: APXvYqxHt98RtrKkY0vuoIDQVK8uvFmDspTs2hL4BgiQIPzoTw5fouHoDeUGSijonSMv6FbNn1Y2mmSa5vWXqz2Q480=
X-Received: by 2002:a63:7b4d:: with SMTP id k13mr33425289pgn.182.1566486247199; Thu, 22 Aug 2019 08:04:07 -0700 (PDT)
MIME-Version: 1.0
References: <156632275485.502.9271987365148891210.idtracker@ietfa.amsl.com> <CAF8qwaDRD1=X=R=e1QRkO81SdXmqfQYKihMo1z5hccsDtAqFYw@mail.gmail.com> <50ce91d2-bba8-4e9d-96fc-311795d89f69@www.fastmail.com> <359EC4B99E040048A7131E0F4E113AFC01B3439C0F@marathon>
In-Reply-To: <359EC4B99E040048A7131E0F4E113AFC01B3439C0F@marathon>
From: David Benjamin <davidben@google.com>
Date: Thu, 22 Aug 2019 11:03:50 -0400
Message-ID: <CAF8qwaBmjda6TTpF0G1BNPRuF3U+VyREJXtEy4hgpL_ug7=Mag@mail.gmail.com>
To: Roman Danyliw <rdd@cert.org>
Cc: Martin Thomson <mt@lowentropy.net>, David Benjamin <davidben=40google.com@dmarc.ietf.org>, "draft-ietf-tls-grease@ietf.org" <draft-ietf-tls-grease@ietf.org>, "<tls@ietf.org>" <tls@ietf.org>, The IESG <iesg@ietf.org>, tls-chairs <tls-chairs@ietf.org>
Content-Type: multipart/alternative; boundary="0000000000004fd0cb0590b60036"
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/QNMQnFMDzGjMDM6xB21LdQvcTAQ>
Subject: Re: [TLS] Roman Danyliw's No Objection on draft-ietf-tls-grease-03: (with COMMENT)
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 22 Aug 2019 15:04:10 -0000

On Wed, Aug 21, 2019 at 11:18 PM Roman Danyliw <rdd@cert.org> wrote:

>
>
> > -----Original Message-----
> > From: Martin Thomson [mailto:mt@lowentropy.net]
> > Sent: Wednesday, August 21, 2019 8:02 PM
> > To: David Benjamin <davidben=40google.com@dmarc.ietf.org>; Roman
> > Danyliw <rdd@cert.org>
> > Cc: draft-ietf-tls-grease@ietf.org; <tls@ietf.org> <tls@ietf.org>; The
> IESG
> > <iesg@ietf.org>; tls-chairs <tls-chairs@ietf.org>
> > Subject: Re: [TLS] Roman Danyliw's No Objection on
> draft-ietf-tls-grease-03:
> > (with COMMENT)
> >
> > On Thu, Aug 22, 2019, at 07:44, David Benjamin wrote:
> > >  That clause was meant to be descriptive of the other bits of the
> > > document. "[Such-and-such] may not be [such-and-such]ed, so [some
> > > consequence of this]". Using "must not" reads odd to me: "GREASE
> > > values must not be negotiated, so they do not directly impact the
> > > security of TLS connections."
> >
> > Perhaps what you are looking for is "cannot": "GREASE values cannot be
> > negotiated, ..."
>
> A "cannot" would make sense to me.
>

"cannot" it is! :-)

David

v2.23.0 | Report a Bug | By Email