Re: [Ntp] Antwort: Re: Antwort: Why Roughtime?

Hal Murray <halmurray@sonic.net> Tue, 19 December 2023 08:31 UTC

Return-Path: <halmurray@sonic.net>
X-Original-To: ntp@ietfa.amsl.com
Delivered-To: ntp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BBC3CC14E515 for <ntp@ietfa.amsl.com>; Tue, 19 Dec 2023 00:31:06 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.106
X-Spam-Level:
X-Spam-Status: No, score=-2.106 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=sonic.net
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HT3zQrhWtxz4 for <ntp@ietfa.amsl.com>; Tue, 19 Dec 2023 00:31:01 -0800 (PST)
Received: from d.mail.sonic.net (d.mail.sonic.net [64.142.111.50]) (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 656DCC14F5F5 for <ntp@ietf.org>; Tue, 19 Dec 2023 00:31:01 -0800 (PST)
Received: from 107-137-68-211.lightspeed.sntcca.sbcglobal.net (104-182-38-69.lightspeed.sntcca.sbcglobal.net [104.182.38.69]) (authenticated bits=0) by d.mail.sonic.net (8.16.1/8.16.1) with ESMTPSA id 3BJ8UxI9026929 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 19 Dec 2023 00:31:00 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sonic.net; s=net23; t=1702974660; bh=cMnBfDFmagelnYGUCHiVkOMeNAbwBKxjcFKh8VlvLOQ=; h=To:From:Subject:Mime-Version:Date:Message-Id:From:Subject; b=Qla2mDVFu3tJDE0OUMbXIRxq/Ha3isYzFqHhNQByJxidb6yxiGhKy4cfYQHZuwSAp aRdFxBuhj6p4ThwqV3T3u3K1IslIyVxcOO23/lTM/yz8UG8XSVHEX66My1bmGEDdVS u9XxJ+avmMk/zf+nJcGmFTO6n3o60VXKWonxiMYy0/bv0xb/EHphICXu56HmIM7dZv HMEUlBzZ8LJVQjZLipaNKxQUfrC6Icz3Rhj8yGEZA6T209pEBDmxm+gzllIR/3g7eh HQHrW1xFDCUztfjZ/mhh3KTkaj3LDAf60hjaUDC7KHBj57+8AIjbQlAp2kq9phP1me YZo2Fb9tCGSKQ==
Received: from hgm (localhost [IPv6:::1]) by 107-137-68-211.lightspeed.sntcca.sbcglobal.net (Postfix) with ESMTP id 9FE1428C1C3; Tue, 19 Dec 2023 00:30:59 -0800 (PST)
X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.8
To: Daniel Franke <dfoxfranke@gmail.com>
cc: Hal Murray <halmurray@sonic.net>, ntp@ietf.org
From: Hal Murray <halmurray@sonic.net>
In-Reply-To: Message from Daniel Franke <dfoxfranke@gmail.com> of "Mon, 18 Dec 2023 14:43:45 -0500." <CAJm83bB5E4hvbVzgUE5EcGe3Sm0R4FpHo2ygn0E=TyO2W2fjVw@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Date: Tue, 19 Dec 2023 00:30:59 -0800
Message-Id: <20231219083059.9FE1428C1C3@107-137-68-211.lightspeed.sntcca.sbcglobal.net>
X-Sonic-CAuth: UmFuZG9tSVYXwhBRMCA6o6g5svtz4ygNnD3FmBh2bvvAPXevtcu1/P5ytrqKnn2d8uWoxDZ6rTGe1AtDlvf8MBRFnEPUNyxvfwFreRt1Hkk=
X-Sonic-ID: C;Cq0m8Eie7hG+U5wCP63e0g== M;1C078Eie7hG+U5wCP63e0g==
X-Sonic-Spam-Details: -1.5/5.0 by cerberusd
Archived-At: <https://mailarchive.ietf.org/arch/msg/ntp/OjJoM-ObQHyR2pGa4Z04IR0AoWI>
Subject: Re: [Ntp] Antwort: Re: Antwort: Why Roughtime?
X-BeenThere: ntp@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Network Time Protocol <ntp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ntp>, <mailto:ntp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ntp/>
List-Post: <mailto:ntp@ietf.org>
List-Help: <mailto:ntp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ntp>, <mailto:ntp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 19 Dec 2023 08:31:06 -0000

dfoxfranke@gmail.com said:
> Signing it during NTS-KE doesn't change that fact that it's a symmetric key,
> which means the client controls it too and could use it to forge malfeasance
> proofs. 

Thanks.

Back to the drawing boards.  :)


-- 
These are my opinions.  I hate spam.