Re: [Rats] RATS Architecture IPR Questions

"Panwei (William)" <william.panwei@huawei.com> Sun, 15 November 2020 14:58 UTC

Return-Path: <william.panwei@huawei.com>
X-Original-To: rats@ietfa.amsl.com
Delivered-To: rats@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3D0423A0DE0 for <rats@ietfa.amsl.com>; Sun, 15 Nov 2020 06:58:49 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.896
X-Spam-Level:
X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
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 xrhVCbus_RBm for <rats@ietfa.amsl.com>; Sun, 15 Nov 2020 06:58:47 -0800 (PST)
Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DD52F3A0408 for <rats@ietf.org>; Sun, 15 Nov 2020 06:58:46 -0800 (PST)
Received: from fraeml713-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4CYwJk4ZbJz67Ckn; Sun, 15 Nov 2020 22:56:38 +0800 (CST)
Received: from nkgeml705-chm.china.huawei.com (10.98.57.154) by fraeml713-chm.china.huawei.com (10.206.15.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Sun, 15 Nov 2020 15:58:43 +0100
Received: from nkgeml705-chm.china.huawei.com (10.98.57.154) by nkgeml705-chm.china.huawei.com (10.98.57.154) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Sun, 15 Nov 2020 22:58:41 +0800
Received: from nkgeml705-chm.china.huawei.com ([10.98.57.154]) by nkgeml705-chm.china.huawei.com ([10.98.57.154]) with mapi id 15.01.1913.007; Sun, 15 Nov 2020 22:58:41 +0800
From: "Panwei (William)" <william.panwei@huawei.com>
To: Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>
CC: "rats@ietf.org" <rats@ietf.org>
Thread-Topic: RATS Architecture IPR Questions
Thread-Index: AQHWugprdxYDOEs9fkK/ge9z07nRr6nJRraA
Date: Sun, 15 Nov 2020 14:58:41 +0000
Message-ID: <526ca5c26d8044ef9a117195910872c5@huawei.com>
References: <CAHbuEH5jiQLSMuptJ=KmwV48xsEH17XZUUfS4BeDB4atUSQr1g@mail.gmail.com>
In-Reply-To: <CAHbuEH5jiQLSMuptJ=KmwV48xsEH17XZUUfS4BeDB4atUSQr1g@mail.gmail.com>
Accept-Language: zh-CN, en-US
Content-Language: zh-CN
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.48.158.149]
Content-Type: multipart/alternative; boundary="_000_526ca5c26d8044ef9a117195910872c5huaweicom_"
MIME-Version: 1.0
X-CFilter-Loop: Reflected
Archived-At: <https://mailarchive.ietf.org/arch/msg/rats/fwpBmxCWJI41NcD203-lKP2fxvk>
Subject: Re: [Rats] RATS Architecture IPR Questions
X-BeenThere: rats@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Remote ATtestation procedureS <rats.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rats>, <mailto:rats-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/rats/>
List-Post: <mailto:rats@ietf.org>
List-Help: <mailto:rats-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rats>, <mailto:rats-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 15 Nov 2020 14:58:49 -0000

Hi Kathleen,

Thanks for your review. Please see inline.

Regards & Thanks!
Wei Pan

From: Kathleen Moriarty [mailto:kathleen.moriarty.ietf@gmail.com]
Sent: Saturday, November 14, 2020 6:14 AM
To: Panwei (William) <william.panwei@huawei.com>om>; rats@ietf.org
Subject: RATS Architecture IPR Questions

Hello Panwei,

I hope you are well!

I am reviewing the IPR and way forward for the RATS Architecture document and have a few questions for you.


1.  I see the IPR was filed in China, was it filed elsewhere?
[Wei] I’m not sure about this, I need to check it internally. Please allow me to reply you later.


2.  What version of the document was this filed against?  If it's the current, then I have 2 additional questions.
[Wei] This IPR disclosure (https://datatracker.ietf.org/ipr/4106/) was submitted April 20. At that time the architecture doc was version 02. So in the Section III of this IPR disclosure, it said that it related to revision 02 and sections 4.3 & 6.
The document is vision 07 now, and the Table of Contents is different with before since new sections were added. Section 4.3 in version-02 now becomes section 4.5, and section 6 in version-02 now becomes section 7.

3. Section 6: Since it is common in computing to combine roles and have them be performed by the same part of the infrastructure, are there specific role combinations that were filed in the patent?
4. Section 4.3: discusses the types of environments for attestations.  I see both of the models discussed in a textbook published in 2005 (full reference below), so I am not sure if this is what Huawei has filed?  Attestations that are local are common for TCG work and they had talked about the idea of remote attestations with the verifier and attester being separate entities or systems going way back in time.
[Wei] The IPR isn’t related to current section 4.3 & 6. So I don’t know whether these two questions are still applied or maybe you have some new questions. Please tell me if I need to answer these two or some new ones.

Please see chapters 11 & 12 of Trusted Computing Platforms: Design and Applications. Smith, Sean. Springer (publisher). 2005.

The TCG likely has discussed these models prior to the book referenced as well, but research may be needed.

Clarification would be much appreciated for the WG to decide how to move forward.

--

Best regards,
Kathleen