Re: [TLS] Mail regarding draft-ietf-tls-tls13

Tony Arcieri <bascule@gmail.com> Mon, 18 June 2018 19:46 UTC

Return-Path: <bascule@gmail.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 9B297130E32 for <tls@ietfa.amsl.com>; Mon, 18 Jun 2018 12:46:44 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.999
X-Spam-Level:
X-Spam-Status: No, score=-1.999 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, HTML_MESSAGE=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 6ceuefq_-NCz for <tls@ietfa.amsl.com>; Mon, 18 Jun 2018 12:46:43 -0700 (PDT)
Received: from mail-ua0-x235.google.com (mail-ua0-x235.google.com [IPv6:2607:f8b0:400c:c08::235]) (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 B5E1A130E22 for <tls@ietf.org>; Mon, 18 Jun 2018 12:46:39 -0700 (PDT)
Received: by mail-ua0-x235.google.com with SMTP id m21-v6so11506013uan.0 for <tls@ietf.org>; Mon, 18 Jun 2018 12:46:39 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fSJ/QfpnpSuF9GphmzTGP4ebxfE6M0Nx1l6LcU/GYqk=; b=F0wxrUMj/ao6QD6cpUhwdUkYdU4IrUBWyW315Jxf/0Nsh2/bwzFG6ID1JiBZksyXKh V3QkYbdOkvK7b8YjfmaJ7OMPtAU0BGddtXz+Xn1e6SI23gmplRpR/iO9f6EhfIYV1I59 fn3hl1Pf9Luhktg6KR/BUqlwjAoW2GZE1nbNlKkxRxQd1x6cvL5mrkLoWTcmnQLPQSV1 CMA4L2leEG8OA7syplsWJ1uk6tIuDZLn32TvYAtRbrlsPicn8Ob2cw8wenebgL3yes02 ajMUg8N4YPbaY3UUWfF9fXPUtDlgVqJW2Ay0B0SZpbwpyjAfv3HJiOYO+Gh17MPawk7c hCsA==
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=fSJ/QfpnpSuF9GphmzTGP4ebxfE6M0Nx1l6LcU/GYqk=; b=hfTophQWV7t4QP71ztlyJOXG8p6qoGeTk6tcoRAi2Ome1rG0YQ+u3bIeO3spBbh0i9 e3KWHMkS1QuRzF5/1ZSzfpyjxw6zENao40LJ/0VuIbsZNWwSETzqJytbhI/guua+rQiW YVDtRuaR+mA/YP5Xk+JtotO2DyNF3Cpt1qUt1HrMwntkOHTrMx94kjpIatEWu8K7iH4y cQT5dcpiil48t7MyqGUIybH5Sdxr0GJR/vSIypWaZIDwt/bU1ribja8/vILPTLzOTmm3 apbQXxzYsgTa98rvVeHpdJoh8vCxF844niI0v4I+CVYbZGJFQ2asVHhcEK7YKJl3xRbB zNaw==
X-Gm-Message-State: APt69E3TOMRbHFrzbdngTqcfzRf5y+5Qv9QGNgOzwkktmFoS2rQcWtAw E83NwV2qk9zlCJBnFfYF+8ZtZVDDFUbyp8V4mAY=
X-Google-Smtp-Source: ADUXVKKKAEjcXZLiHCFhUpT1ZpSnD9z7iOeryv+eCBaK874w8Lxkk1EBLbmjM7fJbY7u2ygcdTBGup0YNdtB3hzuYLs=
X-Received: by 2002:a9f:23a1:: with SMTP id 30-v6mr8486214uao.42.1529351198601; Mon, 18 Jun 2018 12:46:38 -0700 (PDT)
MIME-Version: 1.0
References: <BN7PR14MB23560D791932A8CB164C592D917F0@BN7PR14MB2356.namprd14.prod.outlook.com> <897AC345-0832-4252-9D96-5A030CBEAD25@dukhovni.org> <cc5fe1d8-b065-4f30-8b76-57714aea1949@iongroup.com> <CAHOTMV+P_VWz=5uLmG=SFd5PYNgxpT=DYg3+vQffs_cqMwRXSQ@mail.gmail.com> <f85f7c58-5423-4e68-bea0-da717b0f7664@iongroup.com>
In-Reply-To: <f85f7c58-5423-4e68-bea0-da717b0f7664@iongroup.com>
From: Tony Arcieri <bascule@gmail.com>
Date: Mon, 18 Jun 2018 12:46:27 -0700
Message-ID: <CAHOTMVJEtvKL2-yLgDx-W_t4GVsyrNs94zyVquyLEqGBcySmcw@mail.gmail.com>
To: ben.personick@iongroup.com
Cc: "<tls@ietf.org>" <tls@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000edf69e056eefd225"
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/zlqgX14ZwGcDdhCXRKIclZOE3cI>
Subject: Re: [TLS] Mail regarding draft-ietf-tls-tls13
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.26
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: Mon, 18 Jun 2018 19:46:45 -0000

On Mon, Jun 18, 2018 at 12:12 PM Ben Personick <ben.personick@iongroup.com>
wrote:

>   So essentially TLS 1.3 drops support for DH/DHE ciphers on RSA keys, but
> willl otherwise work as expected?
>

DH/DHE ciphers are orthogonal to RSA key transport/encipherment. The latter
uses the RSA algorithm for encryption, without any DH(E) algorithm
whatsoever, and that is what is no longer supported in TLS 1.3.

-- 
Tony Arcieri