[Ntp] [NTS4NTP] info for NTS developers
Martin Langer <mart.langer@ostfalia.de> Tue, 15 January 2019 10:40 UTC
Return-Path: <mart.langer@ostfalia.de>
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 7E727130E2E for <ntp@ietfa.amsl.com>; Tue, 15 Jan 2019 02:40:24 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -0.499
X-Spam-Level:
X-Spam-Status: No, score=-0.499 tagged_above=-999 required=5 tests=[BAYES_05=-0.5, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=sonia.de
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 2BTRmtqRFuXp for <ntp@ietfa.amsl.com>; Tue, 15 Jan 2019 02:40:16 -0800 (PST)
Received: from mailgate1.sonia.de (mailgate1.sonia.de [141.41.1.242]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 617A9127133 for <ntp@ietf.org>; Tue, 15 Jan 2019 02:40:15 -0800 (PST)
Received: from mailgate1.sonia.de (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id A40A81441C for <ntp@ietf.org>; Tue, 15 Jan 2019 11:40:13 +0100 (CET)
Received: from mail.sonia.de (mail.sonia.de [141.41.8.70]) by mailgate1.sonia.de (Postfix) with ESMTP id 8FEB014415 for <ntp@ietf.org>; Tue, 15 Jan 2019 11:40:13 +0100 (CET)
MIME-version: 1.0
Content-type: multipart/alternative; boundary="Boundary_(ID_GD4H7/8elmeqgnfbjbQgvw)"
Received: from [141.41.39.246] (unknown [141.41.39.246]) by mail.sonia.de (Oracle Communications Messaging Server 7.0.5.37.0 64bit (built Jan 25 2016)) with ESMTPSA id <0PLD006XVCB1S450@mail.sonia.de> for ntp@ietf.org; Tue, 15 Jan 2019 11:40:13 +0100 (CET)
Sender: mart.langer@ostfalia.de
To: ntp@ietf.org
From: Martin Langer <mart.langer@ostfalia.de>
Message-id: <71817704-517f-06ac-d0ea-3a42114c5d6b@ostfalia.de>
Date: Tue, 15 Jan 2019 11:40:13 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Thunderbird/60.3.3
Content-language: en-US
X-Antivirus: Avast (VPS 190114-4, 14.01.2019), Outbound message
X-Antivirus-Status: Clean
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sonia.de; h=mime-version:content-type:sender:to:from:subject:message-id:date; s=20140129; bh=sA21wckid1ZrGz0N75nSf9RBWNfCNrEetoJA3M1o8vk=; b=UusVylm1IhnOzSMzWG3C2125uweEw2RWjmkTfKXGvpcngRpEc7sOWN7/2lhPqdRbYq2kq9EZeSjAzQYQljyo3hw2IX8Y4SiYz4Wa7jjS91AH1BcCRuLt8RJ6RBZoj1mHyM696ovxduBA+4WBi2vl8N7Qf0vH10eH+xUUVvMJu0Y=
Archived-At: <https://mailarchive.ietf.org/arch/msg/ntp/nkc-9n6XOPt5Glgi_ueLvuD9EfY>
Subject: [Ntp] [NTS4NTP] info for NTS developers
X-BeenThere: ntp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <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, 15 Jan 2019 10:40:25 -0000
hello together, I'm currently updating my NTS implementation (NTS4NTP-15) and I have found a small issue. *NTS doesn't work with OpenSSL 1.1.1a and TLS1.3*. The NTS-KE fails during the TLS key export. The exporter label "/EXPORTER-network-time-security/1/" is too long and the internal key derivation function fails. A possible workaround is a shorter label like "/EXPORTER-nts/1/". This bug report is already committed and fixed. The next OpenSSL version 1.1.1b should work correctly. It's not a problem of the NTS specification. best regards, Martin -- Martin Langer, M.Eng. Ostfalia Hochschule für angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel University of Applied Sciences Labor Datentechnik, Labor Design Digitaler Systeme Fakultät Elektrotechnik Salzdahlumer Straße 46/48 38302 Wolfenbüttel Germany Tel. : +49 5331 939 43370 Web : https://www.ostfalia.de/cms/de/pws/bermbach/mitarbeiter/martin-langer
- [Ntp] [NTS4NTP] info for NTS developers Martin Langer