From nobody Fri Mar 1 13:13:16 2019 Return-Path: X-Original-To: teep@ietf.org Delivered-To: teep@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 4E590130F93; Fri, 1 Mar 2019 13:10:02 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: teep@ietf.org, kaduk@mit.edu X-Test-IDTracker: no X-IETF-IDTracker: 6.92.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <155147460231.6101.10229918644965214757.idtracker@ietfa.amsl.com> Date: Fri, 01 Mar 2019 13:10:02 -0800 Archived-At: Subject: [Teep] teep - Requested session has been scheduled for IETF 104 X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Mar 2019 21:10:13 -0000 Dear Dave Thaler, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. teep Session 1 (2:00 requested) Tuesday, 26 March 2019, Morning Session I 0900-1100 Room Name: Karlin 1/2 size: 150 --------------------------------------------- iCalendar: https://datatracker.ietf.org/meeting/104/sessions/teep.ics Request Information: --------------------------------------------------------- Working Group Name: Trusted Execution Environment Provisioning Area Name: Security Area Session Requester: Dave Thaler Number of Sessions: 1 Length of Session(s): 2 Hours Number of Attendees: 75 Conflicts to Avoid: First Priority: mile core ace sacm t2trg suit oauth rats Second Priority: tls saag v6ops 6man intarea anima Third Priority: doh dots People who must be present: Dave Thaler Nancy Cam-Winget Benjamin Kaduk Resources Requested: Special Requests: --------------------------------------------------------- From nobody Fri Mar 1 18:17:54 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BCA4912D4EA; Fri, 1 Mar 2019 18:17:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.199 X-Spam-Level: X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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 TbuyjqtRoMfg; Fri, 1 Mar 2019 18:17:33 -0800 (PST) Received: from mailhost.informatik.uni-bremen.de (mailhost.informatik.uni-bremen.de [IPv6:2001:638:708:30c9::12]) (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 1D67E13108E; Fri, 1 Mar 2019 18:17:32 -0800 (PST) X-Virus-Scanned: amavisd-new at informatik.uni-bremen.de Received: from submithost.informatik.uni-bremen.de (submithost2.informatik.uni-bremen.de [IPv6:2001:638:708:30c8:406a:91ff:fe74:f2b7]) by mailhost.informatik.uni-bremen.de (8.14.5/8.14.5) with ESMTP id x222HN87009103; Sat, 2 Mar 2019 03:17:28 +0100 (CET) Received: from [192.168.217.106] (p54A6C2FE.dip0.t-ipconnect.de [84.166.194.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by submithost.informatik.uni-bremen.de (Postfix) with ESMTPSA id 44B90g24Tkz1Bp8; Sat, 2 Mar 2019 03:17:23 +0100 (CET) From: Carsten Bormann Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Date: Sat, 2 Mar 2019 03:17:20 +0100 Message-Id: <71380398-B9E0-48D4-BEFB-9EAC6C47FB82@tzi.org> To: suit , teep@ietf.org, din@irtf.org, rats@ietf.org, eat@ietf.org X-Mailer: Apple Mail (2.3445.9.1) Archived-At: Subject: [Teep] Constrained Node/Network Cluster @ IETF104: FINAL AGENDA X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Mar 2019 02:17:46 -0000 Here is my usual eclectic condensed agenda based on the FINAL AGENDA for IETF104. Remember that, even though this will now go to the printers, there is still some potential for changes. The somewhat annoying coflicts cose/teep and lpwan/t2trg remain. I also don't like that I'll have to miss the cacao BOF (vs. core), dinrg/suit, coinrg/git. rats has been swapped against the paw/saag conflict. All times are CET (Central European Time) =3D=3D UTC +1 hours. Note = that there is no daylight saving time in effect at the time in Europe (this starts on the Sunday *after* IETF). (You can get pure UTC times on https://datatracker.ietf.org/meeting/agenda-utc, for those who want to listen from remote.) Gr=C3=BC=C3=9Fe, Carsten FRIDAY, March 22, 2019 -- Fri 0930=E2=80=931830 T2TRG Work Meeting -- Istanbul room SATURDAY/SUNDAY, March 23/24. 2019 -- Hackathon (including various interops) (Grand Hilton Ballroom) -- Sun 1700-1900 Welcome Reception - Congress Hall 1/2 -- Sun 1800-2000 Hot RFC Lightning Talks - Congress Hall 3 MONDAY, March 25, 2019 0900-1100 Morning Session I Congress H 3 ART dispatch Dispatch WG - Joint with ARTAREA Congress H 2 INT 6man IPv6 Maintenance WG Congress H 1 IRTF pearg Privacy Enhancements and Assessments = Proposed Research Group Karlin 3 RTG bier Bit Indexed Explicit Replication WG 1120-1220 Morning Session II Congress H 3 INT *** 6tisch IPv6 over the TSCH mode of IEEE = 802.15.4e WG Karlin 3 RTG bier Bit Indexed Explicit Replication WG Congress H 2 SEC tls Transport Layer Security WG Karlin 1/2 TSV rmcat RTP Media Congestion Avoidance = Techniques WG 1350-1550 Afternoon Session I Karlin 1/2 INT *** 6lo IPv6 over Networks of = Resource-constrained Nodes WG Congress H 2 IRTF irtfopen IRTF Open Meeting Congress H 3 SEC secdispatch Security Dispatch WG 1610-1810 Afternoon Session II Congress H 2 ART httpbis Hypertext Transfer Protocol WG Congress H 3 IAB smart Stopping Malware and Researching Threats Berlin/Brussels INT dnssd Extensions for Scalable DNS Service = Discovery WG Grand BR IRTF qirg Quantum Internet Proposed Research Group Karlin 3 RTG *** roll Routing Over Low power and Lossy = networks WG Athens/Barcel. SEC oauth Web Authorization Protocol WG Congress H 1 TSV tsvwg Transport Area Working Group WG TUESDAY, March 26, 2019 0900-1100 Morning Session I Karlin 3 ART uta Using TLS in Applications WG - 1000 - = 1100 Grand BR INT homenet Home Networking WG Berlin/Brussels SEC *** cose CBOR Object Signing and Encryption WG Karlin 1/2 SEC *** teep Trusted Execution Environment = Provisioning WG Congress H 2 TSV quic QUIC WG 1120-1220 Morning Session II Athens/Barcel. INT *** lwig Light-Weight Implementation Guidance WG Congress H 1 IRTF qirg Quantum Internet Proposed Research Group Congress H 3 TSV tsvwg Transport Area Working Group WG 1350-1550 Afternoon Session I Berlin/Brussels ART *** core Constrained RESTful Environments WG Karlin 1/2 OPS anima Autonomic Networking Integrated Model = and Approach WG Congress H 1 SEC mls Messaging Layer Security WG Congress H 3 TSV tsvarea Transport Area Open Meeting 1610-1810 Afternoon Session II Grand BR INT *** lpwan IPv6 over Low Power Wide-Area Networks = WG Congress H 1 IRTF*** t2trg Thing-to-Thing Congress H 2 SEC tls Transport Layer Security WG WEDNESDAY, March 27, 2019 0900-1100 Morning Session I Karlin 1/2 IRTF*** dinrg Decentralized Internet Infrastructure Congress H 1 RTG detnet Deterministic Networking WG Grand BR RTG rift Routing In Fat Trees WG Congress H 3 SEC *** suit Software Updates for Internet of Things = WG Congress H 2 TSV quic QUIC WG 1120-1320 Morning Session II Grand BR IRTF cfrg Crypto Forum - 12:20 - 13:20 Grand BR SEC acme Automated Certificate Management = Environment WG - 11:20 - 12:20 1500-1700 Afternoon Session I Grand BR OPS wgtlgo Technology Deep Dive - Modern Router = Architecture BOF THURSDAY, March 28, 2019 0900-1030 Morning Session I Karlin 3 ART *** cbor Concise Binary Object Representation = Maintenance and Extensions WG Congress H 3 IRTF panrg Path Aware Networking RG Athens/Barcel. RTG babel Babel routing protocol WG Congress H 1 SEC mls Messaging Layer Security WG Berlin/Brussels SEC oauth Web Authorization Protocol WG 1050-1220 Morning Session II Congress H 3 GEN git GitHub Integration and Tooling WG Congress H 1 IRTF coinrg Computing in the Network Congress H 2 IRTF maprg Measurement and Analysis for Protocols 1350-1550 Afternoon Session I Congress H 3 ART httpbis Hypertext Transfer Protocol WG Grand BR INT *** paw Predictable and Available Wireless BOF Athens/Barcel. OPS v6ops IPv6 Operations WG Congress H 1 SEC saag Security Area Open Meeting 1610-1810 Afternoon Session II Athens/Barcel. INT intarea Internet Area Working Group WG Grand BR SEC *** rats Remote ATtestation ProcedureS BOF FRIDAY, March 29, 2019 0900-1030 Morning Session I Grand BR ART *** core Constrained RESTful Environments WG Congress H 1 INT 6man IPv6 Maintenance WG Berlin/Brussels SEC cacao Collaborative Automated Course of Action = Operations for Cyber Security BOF 1050-1250 Morning Session II Berlin/Brussels INT ipwave IP Wireless Access in Vehicular = Environments WG Karlin 1/2 IRTF icnrg Information-Centric Networking Congress H 1 SEC *** ace Authentication and Authorization for = Constrained Environments WG Athens/Barcel. TSV taps Transport Services WG From nobody Mon Mar 4 16:31:26 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 55FA5131179 for ; Mon, 4 Mar 2019 16:31:25 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=microsoft.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 exMawFfDcEau for ; Mon, 4 Mar 2019 16:31:23 -0800 (PST) Received: from NAM03-CO1-obe.outbound.protection.outlook.com (mail-eopbgr790119.outbound.protection.outlook.com [40.107.79.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 92389130E86 for ; Mon, 4 Mar 2019 16:31:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Xyo5Pcs7xFeuiqugl9Aa7lhnI4I3Izg5I2X+GHARr3g=; b=aWKLuf5AJNCjcrlq1GKtPf9AtJ4FMfd21NgeeNOtTbBdjzprF9dPVoKTkRqLX2cJ3H10FilmZT2STckRXc2GSX43Nvw7ErlvaiVEdI7vvM++kr2E3n0If7OG5AfdD+QjQpowvzqyg2FCCPCvmq/ItfdEvKIVgiIyLRUBMmssyus= Received: from CY4PR21MB0168.namprd21.prod.outlook.com (10.173.192.150) by CY4PR21MB0823.namprd21.prod.outlook.com (10.173.192.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1709.1; Tue, 5 Mar 2019 00:31:17 +0000 Received: from CY4PR21MB0168.namprd21.prod.outlook.com ([fe80::b522:f90:c3e2:c26]) by CY4PR21MB0168.namprd21.prod.outlook.com ([fe80::b522:f90:c3e2:c26%2]) with mapi id 15.20.1709.005; Tue, 5 Mar 2019 00:31:17 +0000 From: Dave Thaler To: teep Thread-Topic: Call for TEEP agenda items Thread-Index: AdTS6dExAhz6MsZMSvydFxH3TK7qtA== Date: Tue, 5 Mar 2019 00:31:16 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=True; 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x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: VEtVdONyWFh2JNtFOOo4TCO8h1XD0faMuDwuUAQmyYLh3lLMVtKk6jtuG96G5o17qsQ3nKqlwu5UkjGwd3JoMaCZlIDd+seUieeDvgv9DhX2/6CoZoOy82c8X50E60ZK/wBByuUUBwKhCfA+w+R6Ovhq0CiUZ8QHlnDHdAVxacOq8YmI5ZULAuRUWRu7KJSysEtbqZ/jTr6PSsxVVSBtcjTWk5E5pjeL3B0cy8wIv6adsWTuvuT7XtOTo9x3AnQBCY8Tuza8lf285T8pXPLB/ZfH1cMrfi1G/i4NMrWBbe9v8Nmr6If9zBt9zwLhFsaTgjxggLLVX2XTdAKTU+I3bLybP14XN8u5pr3pvGZXwljJCbUjo9n0ct39ylKq4nq9YG0+FPSCeMNDvDmNZldF6575rHYYn7kvOEjPtGRxreY= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2a36e6f2-b8f1-4927-2898-08d6a101e183 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Mar 2019 00:31:16.9642 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0823 Archived-At: Subject: [Teep] Call for TEEP agenda items X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Mar 2019 00:31:25 -0000 The TEEP WG meeting is scheduled for 9am-11am CET Tuesday March 26th. Currently we have the following agenda items: * Agenda bashing, Logistics * Architecture (draft-ietf-teep-architecture) * TEEP Hackathon report * Open Trust Protocol (draft-ietf-teep-opentrustprotocol) * OTrP over HTTP (draft-thaler-teep-otrp-over-http) Please send any agenda requests, including requested time and presenter, to teep-chairs@ietf.org Thanks, Dave From nobody Thu Mar 7 17:59:38 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3AC761311A1 for ; Thu, 7 Mar 2019 17:59:37 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.301 X-Spam-Level: X-Spam-Status: No, score=-4.301 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: 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required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, 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 e10x1yqcdTLP for ; Fri, 8 Mar 2019 06:49:07 -0800 (PST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (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 4591912423B for ; Fri, 8 Mar 2019 06:49:07 -0800 (PST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Mar 2019 06:49:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,456,1544515200"; d="scan'208,217";a="280951801" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by orsmga004.jf.intel.com with ESMTP; 08 Mar 2019 06:49:06 -0800 Received: from fmsmsx157.amr.corp.intel.com (10.18.116.73) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.408.0; Fri, 8 Mar 2019 06:49:05 -0800 Received: from crsmsx104.amr.corp.intel.com (172.18.63.32) by FMSMSX157.amr.corp.intel.com (10.18.116.73) with Microsoft SMTP Server (TLS) id 14.3.408.0; Fri, 8 Mar 2019 06:49:05 -0800 Received: from crsmsx102.amr.corp.intel.com ([169.254.2.44]) by CRSMSX104.amr.corp.intel.com ([169.254.6.29]) with mapi id 14.03.0415.000; Fri, 8 Mar 2019 08:49:04 -0600 From: "Wheeler, David M" To: Andrew Atyeo , Mingliang Pei CC: "teep@ietf.org" Thread-Topic: Security domain default 1-to-1 mapping to a TA proposal in TEEP Thread-Index: AQHU1VKRZgbX2HkEAk2k301Fswqim6YBZXtwgABrq5A= Date: Fri, 8 Mar 2019 14:49:03 +0000 Message-ID: <0627F5240443D2498FAA65332EE46C843B70D1A9@CRSMSX102.amr.corp.intel.com> References: In-Reply-To: Accept-Language: en-US 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64afd9ba-0ecf-4acf-bc36-935f6235ba8b X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=64afd9ba-0ecf-4acf-bc36-935f6235ba8b; Ip=[18.9.28.11]; Helo=[outgoing.mit.edu] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR0101MB3082 Archived-At: Subject: Re: [Teep] Security domain default 1-to-1 mapping to a TA proposal in TEEP X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Mar 2019 16:58:08 -0000 It would probably be good to get a summary of the discussion posted on the list once it's settled down, for archival purposes. -Ben On Fri, Mar 08, 2019 at 03:39:02PM +0000, Mingliang Pei wrote: > Thanks Andy, will follow up updates on the github, Ming > > Sent from iPhone > > ________________________________ > From: Andrew Atyeo > Sent: Friday, March 8, 2019 1:42 AM > To: Mingliang Pei > Cc: teep@ietf.org > Subject: RE: Security domain default 1-to-1 mapping to a TA proposal in TEEP > > Hi, > I have updated the github issue with my comments > https://github.com/ietf-teep/architecture/issues/7 > > basically I understand that there are some deployment types that might prefer a simpler approach, but I want to make sure that we know what would be ‘lost’ by not having a SD that is created separately. It might be that for some deployments the loss is no problem, or it might be that there could be alternative ways to give the same functionality but without need for a separate createSD that are worth exploring. > The github issue (link above) hopefully explains this better. > > Regards, > > Andrew Atyeo > Security Architect > Intercede > Digital trust people ǀ devices ǀ apps > Office: +44 (0) 1455 558 111 > www.intercede.com > Legal Disclaimer > From: Mingliang Pei > Sent: 08 March 2019 02:00 > To: Andrew Atyeo > Cc: teep@ietf.org > Subject: Security domain default 1-to-1 mapping to a TA proposal in TEEP > > Hi Andy, > > We are working on to close this issue #7: clarifying meaning of Security Domain (SD) > > https://github.com/ietf-teep/architecture/issues/7 > > We want to simplify it, and propose to create a SD per TA by default, without completely removing the SD for some existing use cases. It will be good to also have your input on the implications, considering you have more involved in this with a prior OTrP TAM POC implementation. Could you review the issue, and provide comments there? > > Here is a quick recap on some discussion reasonings. > > Historically we consider Security Domain as a first class entity in TEEP (OTrP). There have been some desires to simplify it, or not require it in the TEEP architecture as some use cases don’t use it as much as potential IoT use cases. On the other hand, we know that existing TEE implementations and other secure element related practices uses SD to isolate and associate protection boundary. There was some resource constraints on number of SDs that can be allocated in a TEE device. > > To achieve broad support of both worlds, we consider to move to an “implicit” model as follows: > > > * One SD is created per TA when a TA is going to installed. This allows creation of TA without going through explicit SD creation and so on. > * The prior deletion of SD will delete all TAs within the same SD. Now each TA will be required to be explicitly deleted. > > Thanks, > > Ming > > _______________________________________________ > TEEP mailing list > TEEP@ietf.org > https://www.ietf.org/mailman/listinfo/teep From nobody Sun Mar 10 23:29:44 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 995AC130FC4 for ; Sun, 10 Mar 2019 23:29:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.301 X-Spam-Level: X-Spam-Status: No, score=-4.301 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=symantec.com header.b=h/xNb07I; dkim=pass (1024-bit key) header.d=symantec.com 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15.20.1665.022; Mon, 11 Mar 2019 06:29:33 +0000 From: Mingliang Pei To: Benjamin Kaduk CC: Andrew Atyeo , "teep@ietf.org" Thread-Topic: [Teep] Security domain default 1-to-1 mapping to a TA proposal in TEEP Thread-Index: AQHU1VKRZgbX2HkEAk2k301Fswqim6YBZXtwgAB5yXqAAzrnAIAAbW2A Date: Mon, 11 Mar 2019 06:29:33 +0000 Message-ID: <342E858A-7A4F-41EF-9E2F-1AFFF58ED590@symantec.com> References: <20190310165755.GA8182@kduck.mit.edu> In-Reply-To: <20190310165755.GA8182@kduck.mit.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.d.1.180523 authentication-results: spf=none (sender IP is ) smtp.mailfrom=Mingliang_Pei@symantec.com; x-originating-ip: [65.118.77.72] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 9b2aed42-835e-4abd-61b8-08d6a5eaed18 x-microsoft-antispam: BCL:0; PCL:0; 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Zw0KICAgID4gDQogICAgDQogICAgPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXw0KICAgID4gVEVFUCBtYWlsaW5nIGxpc3QNCiAgICA+IFRFRVBAaWV0Zi5v cmcNCiAgICA+IGh0dHBzOi8vY2xpY2t0aW1lLnN5bWFudGVjLmNvbS8zTUNmMk5zc2hXYzFYek11 U1VXS1RTQjdWYz91PWh0dHBzJTNBJTJGJTJGd3d3LmlldGYub3JnJTJGbWFpbG1hbiUyRmxpc3Rp bmZvJTJGdGVlcA0KICAgIA0KICAgIA0KDQo= From nobody Mon Mar 11 06:32:05 2019 Return-Path: X-Original-To: teep@ietf.org Delivered-To: teep@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8C8561310CD; Mon, 11 Mar 2019 06:31:52 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: teep@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.93.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: teep@ietf.org Message-ID: <155231111253.23054.14091120022593510283@ietfa.amsl.com> Date: Mon, 11 Mar 2019 06:31:52 -0700 Archived-At: Subject: [Teep] I-D Action: draft-ietf-teep-architecture-02.txt X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2019 13:32:03 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Trusted Execution Environment Provisioning WG of the IETF. Title : Trusted Execution Environment Provisioning (TEEP) Architecture Authors : Mingliang Pei Hannes Tschofenig David Wheeler Andrew Atyeo Liu Dapeng Filename : draft-ietf-teep-architecture-02.txt Pages : 38 Date : 2019-03-11 Abstract: A Trusted Execution Environment (TEE) is designed to provide a hardware-isolation mechanism to separate a regular operating system from security-sensitive application components. This architecture document motivates the design and standardization of a protocol for managing the lifecycle of trusted applications running inside a TEE. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-teep-architecture/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-teep-architecture-02 https://datatracker.ietf.org/doc/html/draft-ietf-teep-architecture-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-teep-architecture-02 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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DIR:OUT; SFP:1101; SCL:1; SRVR:VI1PR0801MB1919; H:VI1PR0801MB2112.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: qDgWdgDLstEJjoofi5b0E5q+T/huHeAMCWhmPczmAYzSnDLQYCJY9pJ3YNndwy+mqfQoiEhAszD8jpkc9BphOAr1bG/Ud2K7RjlM3QMjfhp7BWs1vHL5yvCavpFmEfEa4fKfM70nSdGhiEnc9AFP1eRJsyzRm4aP+knSEeTs//uvJTZfXyMnusIZ5irW3A7GJgSv7W7MoY6Qsunj1azFt+993IrSte3TNEH5Xuz//xUsNUiI/ZGswJQQAC7SwO1Z50GpB+aHVopDFfcSPuz9M1ctGVGNncug/GVXtorazdGdnFNFhHtO3CXnzFUCup8Ul/BjaAyPqoj5MkEpb/Mwzs4WVLAHwkVkcDi7cybm32j8Af+CvgcRIAhh/0wwKxv76WoDhqUWOKStFXytZB+DfU5PuDP9zGu87lRi+bOyyj0= Content-Type: multipart/alternative; boundary="_000_VI1PR0801MB211236E412BC9FAB7C2A0177FA490VI1PR0801MB2112_" MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: 74c0dc0c-0da3-4085-2afa-08d6a6c76d39 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Mar 2019 08:47:57.9668 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0801MB1919 Archived-At: Subject: [Teep] TEEP Architecture Draft Updated X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2019 08:48:04 -0000 --_000_VI1PR0801MB211236E412BC9FAB7C2A0177FA490VI1PR0801MB2112_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, In time for the deadline we submitted an updated version of the TEEP archit= ecture document. It was a snapshot of what we had on the TEEP WG Github rep= o (see https://github.com/ietf-teep/architecture). Last year we collected a= list of open issues and, as you can see, there are still a number of issue= s open, see https://github.com/ietf-teep/architecture/issues. We plan to di= scuss some of them at the f2f meeting Prague. Since the last IETF meeting in Bangkok we have tried to address some of the= issues and from the diff you can see that we have addressed some of them: https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-teep-architecture-02.txt Here is a short list of what has been changed in the document: * Terminology: We added the device user, and the device owner term. We = clarified trust anchor and device administrator. * Shorted the list of assumptions * Added text about multiple TEEs and multiple TAMs * Added text about the client app / trusted app interaction * Updated text about trust anchors * Improved the example flow * Added text about attestation and made lots of other editorial improvements here and there. Take a look at the document and let us know what you think. We also welcome= your thoughts about the open issues. Ciao Hannes (on behalf of the authors) IMPORTANT NOTICE: The contents of this email and any attachments are confid= ential and may also be privileged. If you are not the intended recipient, p= lease notify the sender immediately and do not disclose the contents to any= other person, use it for any purpose, or store or copy the information in = any medium. Thank you. --_000_VI1PR0801MB211236E412BC9FAB7C2A0177FA490VI1PR0801MB2112_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

 

In time for the deadline we sub= mitted an updated version of the TEEP architecture document. It was a snaps= hot of what we had on the TEEP WG Github repo (see https://github.com/ietf-= teep/architecture). Last year we collected a list of open issues and, as you can see, there are still a number of iss= ues open, see https://github= .com/ietf-teep/architecture/issues. We plan to discuss some of them at = the f2f meeting Prague.

 

Since the last IETF meeting in = Bangkok we have tried to address some of the issues and from the diff you c= an see that we have addressed some of them:

https://tools.ietf.o= rg/rfcdiff?url2=3Ddraft-ietf-teep-architecture-02.txt=

 

Here is a short list of what ha= s been changed in the document:

  • Terminology: We added the device user, and the d= evice owner term. We clarified trust anchor and device administrator.
  • Shorted the list of assum= ptions
  • Added text about mu= ltiple TEEs and multiple TAMs
  • Added text about the client app / trusted app interaction
  • Updated text about trust anchors
  • Improved the example flow=
  • Added text about attestat= ion

and made lots of other editoria= l improvements here and there.

 

Take a look at the document and= let us know what you think. We also welcome your thoughts about the open i= ssues.

 

Ciao

Hannes

(on behalf of the authors)=

IMPORTANT NOTICE: The contents of this email and any attachments are confid= ential and may also be privileged. If you are not the intended recipient, p= lease notify the sender immediately and do not disclose the contents to any= other person, use it for any purpose, or store or copy the information in any medium. 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[Teep] Call for TEEP agenda items

When
<= time itemprop=3D"endDate" datetime=3D"20190326T090000Z">Tue Mar 26, = 2019 4am =E2=80=93 5am Eastern Time - New York
Video call
Calendar
teep@ietf.org=
Who
•
Lubna Dajani - organizer
•
<= /td>
teep@ietf.org
•
dthaler=3D40micr= osoft.com@dmarc.ietf.org
The TEEP WG = meeting is scheduled for 9am-11am CET Tuesday March 26th.
Currently we h= ave the following agenda items:

* Agenda bashing, Logistics
* Architec= ture (draft-ietf-teep-architecture)
* TEEP Hackathon report
* Open Tr= ust Protocol (draft-ietf-teep-opentrustprotocol)
* OTrP over HTTP (draft= -thaler-teep-otrp-over-http)

Please send any agenda requests, includi= ng requested time and presenter, to
teep-chairs@ietf.org

Thanks,
Dave

= _______________________________________________
TEEP mailing list
TEEP@ietf.org
https://www.ietf.org/mailman/lis= tinfo/teep

Going (teep@ietf.o= rg)?   Yes - Maybe - = No    more options »

Invitation from Google Calendar

Y= ou are receiving this courtesy email at the account teep@ietf.org because y= ou are an attendee of this event.

To stop receiving future updates fo= r this event, decline this event. Alternatively you can sign up for a Googl= e account at https://www.google.com/calendar/ and control your notification= settings for your entire calendar.

Forwarding this invitation could = allow any recipient to modify your RSVP response. Learn More.

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([2001:67c:1232:144:bc53:493f:3530:938e]) by smtp.googlemail.com with ESMTPSA id s10sm2159798wmh.0.2019.03.27.01.25.16 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Mar 2019 01:25:16 -0700 (PDT) References: <4944d01f-4565-9688-8833-1c8b287c6ae0@gmail.com> To: "teep@ietf.org" From: Anders Rundgren X-Forwarded-Message-Id: <4944d01f-4565-9688-8833-1c8b287c6ae0@gmail.com> Message-ID: <5e1c4ee8-0e8f-d1b7-2fca-759d2aaadb45@gmail.com> Date: Wed, 27 Mar 2019 09:25:15 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 In-Reply-To: <4944d01f-4565-9688-8833-1c8b287c6ae0@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: [Teep] Fwd: Side-meeting: Canonical JSON, Signed REST X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 08:25:23 -0000 I hope you didn't mind me mentioning TEEP/OTrP as a [partially] awkward solution... -------- Forwarded Message -------- Subject: Side-meeting: Canonical JSON, Signed REST Date: Wed, 27 Mar 2019 06:52:39 +0100 From: Anders Rundgren To: 104Attendees <104attendees@ietf.org> Wednesday 14-15 in Paris. My presentations at IETF-104 couldn't go into details, so here some additional facts and motivations. The lack of canonicalized JSON have had quite practical implications in IETF security protocols like in this one: https://tools.ietf.org/html/draft-ietf-teep-opentrustprotocol-02  "The top element "[Signed][Request|Response]" cannot be fully    trusted to match the content because it doesn't participate in the    signature generation.  However, a recipient can always match it with    the value associated with the property "payload".  It purely serves    to provide a quick reference for reading and method invocation" That is, the TEEP folks were forced adding a redundant (and IMO pretty ugly) JSON layer in order to tag objects since the JWS signature scheme dresses the payload in Base64Url.  This scheme also introduces an additional validation step. This is sort of the opposite to my own work in this space, where canonicalization is also applied to the JWS container itself (aka clear text signatures).  Here an example from "Saturn":  {      "requestHash": {          "alg": "S256",          "val": "cA-QNdJHcynjuM44ty-zXgXwx100AZVRFLmYx1So0Xc"      },      "domainName": "demomerchant.com",      "paymentMethod": "https://bankdirect.net",      "accountId": "8645-7800239403",      "timeStamp": "2019-03-23T10:33:02+01:00",      "signature": {          "alg": "ES256",          "jwk": {              "kty": "EC",              "crv": "P-256",              "x": "rQ4WXMB6_wQKHSiY_mbJ4QkGpfWLssF7hvIiiFpDEx8",              "y": "Fh2rl0LGTtvaomOuhuRNo9Drz9o0--WXV2ITvdVQFRY"          },          "val": "j2LL9pr2RyrPxvFlj8IzMhno5vvgGIgf2xi23dA5u_XwjYlIvT9qwIVKaCKYwjb26J5mMUL5zV02lqQGjZRClw"      } } Recent proposal addressing Signed/JSON/REST since this apparently still is missing: https://tools.ietf.org/html/draft-rundgren-signed-http-requests-00 https://datatracker.ietf.org/meeting/104/materials/slides-104-hotrfc-3-signed-http-requests-shreq-00 Bring your rotten tomatoes if you want :-) Cheers, Anders From nobody Wed Mar 27 01:49:20 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 56C83120473 for ; Wed, 27 Mar 2019 01:49:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.2 X-Spam-Level: X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3] 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 vKk9bBDZRRV3 for ; Wed, 27 Mar 2019 01:49:08 -0700 (PDT) Received: from smtp.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6FDE1120307 for ; Wed, 27 Mar 2019 01:49:08 -0700 (PDT) Received: from dhcp-8804.meeting.ietf.org (dhcp-8804.meeting.ietf.org [31.133.136.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.uni-bremen.de (Postfix) with ESMTPSA id 44ThW64LlbzytG; Wed, 27 Mar 2019 09:49:06 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Carsten Bormann In-Reply-To: <5e1c4ee8-0e8f-d1b7-2fca-759d2aaadb45@gmail.com> Date: Wed, 27 Mar 2019 09:49:06 +0100 Cc: "teep@ietf.org" X-Mao-Original-Outgoing-Id: 575369343.6560121-5e124e2dee2f2c4d14efa2c8013cd79e Content-Transfer-Encoding: quoted-printable Message-Id: <991DA486-BE36-4325-8E2F-C841C3EE3BAD@tzi.org> References: <4944d01f-4565-9688-8833-1c8b287c6ae0@gmail.com> <5e1c4ee8-0e8f-d1b7-2fca-759d2aaadb45@gmail.com> To: Anders Rundgren X-Mailer: Apple Mail (2.3445.9.1) Archived-At: Subject: Re: [Teep] Fwd: Side-meeting: Canonical JSON, Signed REST X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 08:49:19 -0000 On Mar 27, 2019, at 09:25, Anders Rundgren = wrote: >=20 > I hope you didn't mind me mentioning TEEP/OTrP as a [partially] = awkward solution... If base64-coding data seems awkward, don=E2=80=99t do that, and use = CBOR. =20 No need to invent anything. The rest stays exactly as it is. Gr=C3=BC=C3=9Fe, Carsten From nobody Wed Mar 27 01:57:18 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3433612027B for ; Wed, 27 Mar 2019 01:57:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 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, 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 f38aHeYNzJdc for ; Wed, 27 Mar 2019 01:57:14 -0700 (PDT) Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) (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 2306F120276 for ; Wed, 27 Mar 2019 01:57:14 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 4so15308927wmf.1 for ; Wed, 27 Mar 2019 01:57:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=XwOzhz69EgQD+Sn/OZWOx7CZ2cNgiC9IL583sNoe5IA=; b=F7XyU7vwezWraTujYXsh2EWRNkM6PJpnUQQj1JbChrLe7UzLIm0xw4t7J39o6XLj5Y XP5Hv86Heobq/iKiwuqIwU3cPqPdn/Eo7A+YoZOBw0yQECQ4XalE64teRjuwETLc9BtU PBRMMhuwb2ibxUjTFbQEhSuaIQ/J9crQeQxBJoFhM6fglLUUOBKT/P0brwHv+KgpDSwP gpWUIW3qx9QmjSM+q4YJJnHIuc286CFaHL5+PpqXfY161aeV9weD5Af+PS0ZmYBlX5N1 qcmZ2OQ5v0I178409ivCBzy57z7WUf1yzQ7efLqDCWM++202RWDLBIQdUPPpjxMdLOal B6qQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=XwOzhz69EgQD+Sn/OZWOx7CZ2cNgiC9IL583sNoe5IA=; b=TBrI6oYHhdOvjSgjDhpOUOHIG0TICthDsAErCz8K3g8JjWlch2E/W6h1xf5qL24I9r zRHZzqbYmmWWbippSePCHVISwKpeiIaFL2mDk8NWZhjECd+Modv+pDjMT/JP6HLzhw9f het1zlX1lknw/8WHySG3J0RHx+t3SicKwZVAfM3HSgfk/K/PFYjFlC6xbwQjWh7WhJxG d4Wz6D9vOdmYZE9+XHrniSDUmDNj5ms+TQyrUaw/NyXeCpXRmCfOp1RE+4qNBxH1z5ds 9wTz8pSDpdMntdd0iV8oCSynsmhPSCETz3f7ZTxQpLjcNC0dl4H1I8zEP/otpWmcCDMx J0bw== X-Gm-Message-State: APjAAAWmg9eUlomG9nP15G1bqAZrHxsleOlmQSBMZuy0tUHbmARznuDg MUdbj4fGiU5oE/8qkjMhoCdXrrNGUoQ= X-Google-Smtp-Source: APXvYqwWL4UUpJOu0tkgYQf6DoLXLbn4iK3hn0PMd8bbQAagG0ClPLP0F5ZzuLG5p7AbolnFJdZsXg== X-Received: by 2002:a1c:9a41:: with SMTP id c62mr11340754wme.108.1553677032291; Wed, 27 Mar 2019 01:57:12 -0700 (PDT) Received: from ?IPv6:2001:67c:1232:144:3836:b504:dead:944f? ([2001:67c:1232:144:3836:b504:dead:944f]) by smtp.googlemail.com with ESMTPSA id l8sm20541608wrv.45.2019.03.27.01.57.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Mar 2019 01:57:11 -0700 (PDT) To: Carsten Bormann Cc: "teep@ietf.org" References: <4944d01f-4565-9688-8833-1c8b287c6ae0@gmail.com> <5e1c4ee8-0e8f-d1b7-2fca-759d2aaadb45@gmail.com> <991DA486-BE36-4325-8E2F-C841C3EE3BAD@tzi.org> From: Anders Rundgren Message-ID: <3449438a-aa07-864b-12e1-b77254417626@gmail.com> Date: Wed, 27 Mar 2019 09:57:09 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 In-Reply-To: <991DA486-BE36-4325-8E2F-C841C3EE3BAD@tzi.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [Teep] Fwd: Side-meeting: Canonical JSON, Signed REST X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 08:57:16 -0000 On 2019-03-27 09:49, Carsten Bormann wrote: > On Mar 27, 2019, at 09:25, Anders Rundgren wrote: >> >> I hope you didn't mind me mentioning TEEP/OTrP as a [partially] awkward solution... > > If base64-coding data seems awkward, don’t do that, and use CBOR. > No need to invent anything. The rest stays exactly as it is. In this particular case it was rather the need for introducing a redundant outer layer that caught my eye. Personally, I would nuke JSON for TEEP since all data is either Base64-encoded or is encrypted (or both) making it a fairly poor candidate for a text based system. And yes, CBOR would be the natural answer to that of course! If CBOR/COSE can fix this outer layer thing it would be perfect. For this particular mission. Cheers, Anders > > Grüße, Carsten > From nobody Wed Mar 27 02:11:10 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 79F891204E9 for ; Wed, 27 Mar 2019 02:10:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 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, 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 DcdETUY4QkKw for ; Wed, 27 Mar 2019 02:10:51 -0700 (PDT) Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) (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 598CF12045F for ; Wed, 27 Mar 2019 02:10:51 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id t124so15784984wma.4 for ; Wed, 27 Mar 2019 02:10:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=UHQ3EbvKDRRZDg/qd+yWhchfAW+LuA/E2X7PQUejBuU=; b=Xjgy4T4P6HyGz5ecTck3z7CVhr0F7BuFF85DH3cME2kWFCKzhcD6aWrv948tnegeam CB5bqMJupsyttTc7VpXCsZWeZlTqGQZX4wqho57i7BgR43FtuFNVhr0US+pmR4fPctvw MW+2nR4TF5j4SucYc8E0oKiKEu8LRf1Vgj5+VLuThGwd7jZlQRv4322qKKEvkuXOVwjK q6F5t1g3NYFGQVybTR8sEUtRTndsnnbBnNY+KARkzFYZhpFzJybYgNmxm3QKNj1ow3PG mIPMTnZ32Z5O105f4A9Loj1IP9+ajqvRpmjahL5eLDOjIt/L3SuFLtJG46i3l31BDJNf Ah4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=UHQ3EbvKDRRZDg/qd+yWhchfAW+LuA/E2X7PQUejBuU=; b=hlQss8EbTZfnlei97qAWofn8eLf6dI3Osqe22Up6+dsftOT2aKmnin0OGFOi1X3fiT x6G7DJAlxnh2iujH4mK7auFtSIfg/WRNdBTERF+UFHKBoSnn5AG+Lxl5PDpszGFDbUbN n23lO61uNa4Iq7E0MlACcE+y6b7vVddMqACn9BbX6J9QIg/AIB5gQoBNnsu6qFR+PNqe bRz10vAUTI7Wzt75F9oEw56szOecI0S975nXmxZCzmzgNvmsFg66K1ZBbRndxeXRCoa5 sZYIJxzmoISB5aVrS4romDgk7t9j/JJ+wKQPle0mCI1GdFe2wo3SpdjszhvC9gWNEWLk Y21Q== X-Gm-Message-State: APjAAAUMAt6GAgOvUJJ60q53uAC9kUKlRZW9C0cboOrTjUtapSuHivpk oCU6XaXY8Q+/8sEnJ6U4Wa6Vx4Em1nU= X-Google-Smtp-Source: APXvYqx10FeDrdr8lgJIhoExDIUFXZnOF+FDYDDfa9bNsZnwVQJCuYGq2aSPIKy/3vUPo0crLQZFwg== X-Received: by 2002:a1c:751a:: with SMTP id o26mr11866192wmc.10.1553677849414; Wed, 27 Mar 2019 02:10:49 -0700 (PDT) Received: from ?IPv6:2001:67c:1232:144:3836:b504:dead:944f? ([2001:67c:1232:144:3836:b504:dead:944f]) by smtp.googlemail.com with ESMTPSA id f20sm48023331wrg.91.2019.03.27.02.10.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Mar 2019 02:10:47 -0700 (PDT) From: Anders Rundgren To: Carsten Bormann Cc: "teep@ietf.org" References: <4944d01f-4565-9688-8833-1c8b287c6ae0@gmail.com> <5e1c4ee8-0e8f-d1b7-2fca-759d2aaadb45@gmail.com> <991DA486-BE36-4325-8E2F-C841C3EE3BAD@tzi.org> <3449438a-aa07-864b-12e1-b77254417626@gmail.com> Message-ID: Date: Wed, 27 Mar 2019 10:10:46 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 In-Reply-To: <3449438a-aa07-864b-12e1-b77254417626@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [Teep] Fwd: Side-meeting: Canonical JSON, Signed REST X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 09:11:04 -0000 On 2019-03-27 09:57, Anders Rundgren wrote: > On 2019-03-27 09:49, Carsten Bormann wrote: >> On Mar 27, 2019, at 09:25, Anders Rundgren wrote: >>> >>> I hope you didn't mind me mentioning TEEP/OTrP as a [partially] awkward solution... >> >> If base64-coding data seems awkward, don’t do that, and use CBOR. >> No need to invent anything. The rest stays exactly as it is. > > In this particular case it was rather the need for introducing a redundant outer layer that caught my eye. > > Personally, I would nuke JSON for TEEP since all data is either Base64-encoded or is encrypted (or both) making it a fairly poor candidate for a text based system. > And yes, CBOR would be the natural answer to that of course! > > If CBOR/COSE can fix this outer layer thing it would be perfect. For this particular mission. In KeyGen2 which has similarities to OTrP there is very little need for Base64 and encryption is only applied to a few things that actually needs encryption. This is not only due to canonicalization but also because it builds on attested session keys which is a more powerful scheme than the static solution used in TEEP. Anders > > Cheers, > Anders > >> >> Grüße, Carsten >> > From nobody Wed Mar 27 04:07:28 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A09FC1202A0 for ; Wed, 27 Mar 2019 04:07:26 -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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=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 VQNdZzmZYaGm for ; Wed, 27 Mar 2019 04:07:24 -0700 (PDT) Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) (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 A6461120254 for ; Wed, 27 Mar 2019 04:07:24 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id w10so18030672wrm.4 for ; Wed, 27 Mar 2019 04:07:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=boibeJV3aQf5UhyUg7PFBMjy86lJ+lX3uyugeVts928=; b=DwcD5SnCFekTIoGhyA2y08ndiu12cT0i1iRXssp7joyGz77YOqdg5od4Uy+nBfydRH ApT+tydRRaccy9OkCmKxLqgW2vwkXZYTS8JNB3kqkRdHRhDI/UV9GLEDfe4OCXDw6ieI 2U6RJu+9bzPoRdnDhLUL3cvLekkWlSFs5x++JD/GF9wrE0vXINZGbnaKSJa116yUPemz 6zg6Oln7eRi2ib9mSmRGSr+3hXu5g+DOFBO2YRsCBe6IqkMhfqtrr2RbQ+XLi/cna+E/ pAPsAy7i3D4rzvRPFILOkAnczmQTUPu4ZSdcEaOFSqiiUiRKz2pwLDmzVv4MahEqP7AI cBcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=boibeJV3aQf5UhyUg7PFBMjy86lJ+lX3uyugeVts928=; b=rFueGQGoXCCoBq+bSMjqJscU+pPiyfTgYPcMn/IhfLanIgN31RFLC9fvSfIcLcTgwb qGrLf2y6L1OF8hLByzTdV/bBeYYQcysII3bfCzM+Gn64HLUMjzPr2wwxk/s9c/hIq3qD SLuZsuZctlGVLfwhTUHorgwwJPf4ak/xnMS9JueY+Xl9StH8osKhV3/sK6UgXTnoRHBg KEDmKqgrVaDshEVF+lhycBmArxqWdphlStzsdOR+MWSMOyJKsVy9dwYPZRvTjbgFkK8k dIpMIyMdSREsh6vpiuWeC8bGplHIzDzA18q8UFrtTNS/7/9na96oA6qyMSXC+2T1cvuB KBZQ== X-Gm-Message-State: APjAAAXi3AD0HkcaKj829KSjhOtxiGUJX0Jwtetgd0dHimieCFA5pwD2 2KbrdQRK4v0ophf/6ERBWXGbOWE/9Z0= X-Google-Smtp-Source: APXvYqx0hfLtlQPKSsWJ3ZG8p7+OQPizTuYagY2oRKDtcAvRbIsSNuVbVSb9d2mDQFdEkqiWx4AbiQ== X-Received: by 2002:adf:82f0:: with SMTP id 103mr22979740wrc.260.1553684842777; Wed, 27 Mar 2019 04:07:22 -0700 (PDT) Received: from ?IPv6:2001:67c:1232:144:d941:d9a0:4a39:1234? ([2001:67c:1232:144:d941:d9a0:4a39:1234]) by smtp.googlemail.com with ESMTPSA id f128sm39432161wme.28.2019.03.27.04.07.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Mar 2019 04:07:21 -0700 (PDT) To: "teep@ietf.org" From: Anders Rundgren Message-ID: <4deb3551-1540-dbac-5473-a2325ecc269f@gmail.com> Date: Wed, 27 Mar 2019 12:07:19 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: [Teep] Lethal combination: Attested Session Keys + Canonicalization X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 11:07:27 -0000 Pardon for spamming you, I know that you already have the TEEP architecture more or less in place... I just wanted to show how nice a security protocol can be if you combine attested session keys and canonicalization: https://cyberphone.github.io/doc/security/keygen2.html#Sample_Run In this particular case there were other things also requiring such an arrangement including user interaction in the middle of the protocol. "Rolling MACs" and protected API was directly derived from TCG. Anders From nobody Thu Mar 28 05:57:21 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D2C61202A3 for ; Thu, 28 Mar 2019 05:57:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, 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 (1024-bit key) header.d=microsoft.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 ln5qVw6jCPv1 for ; Thu, 28 Mar 2019 05:57:17 -0700 (PDT) Received: from NAM04-BN3-obe.outbound.protection.outlook.com (mail-eopbgr680096.outbound.protection.outlook.com [40.107.68.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D837112025C for ; Thu, 28 Mar 2019 05:57:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=jVqPlmAwX9iHzOBnkN8MCD/15zOmPFd2EjcpNEGmVdI=; b=NRuFzexiz3DbVvCw3SHuDqpnd/tFiz5gF1fkb0Uk8ErLEb1EsHSHVmQIXJdu5NhIHVKuQ3eSGkskdqmg2cPcW2gONOhSgG1AeB0i7NDjTbdVrD0ZJuS/B00aOaNWbNWi0skJEnJuNMzi3/pJ9ELNDOYPf4j952nUW8drGVOlP1c= ARC-Seal: i=1; a=rsa-sha256; s=testarcselector01; d=microsoft.com; cv=none; b=YbE6+PD9ZwcxfitVJ8E2167Q41MZ6vXihBWx3d+K57GvXYqseoWNU6Lde2t3S44c9UggUFLnk9Y2UAmh57D5d2jQM5jBxphaWKtyu2sdEGxq6z8iJnn0dXd0K0a9Ym4gEwzMJBCctM6sScfE2cUmQOsfhi78LrsZJSNnUbbvWbo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=testarcselector01; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=jVqPlmAwX9iHzOBnkN8MCD/15zOmPFd2EjcpNEGmVdI=; b=RpywF3AaMZALFIUkrruLrjDHClnYg48XPj+09c3iohSBg+Mld/fcqwvJCHO5ecOWQr4Y1u0NvCoZ/RGrxFVNxjRYa6GdRZav3JYZl4hnazrlZdVbCPTe6AQu+0UJsKvLU3aPwmg14Pa1iwrzplVwMkcIgSS+ux5ELdGX9yeOWOg= ARC-Authentication-Results: i=1; test.office365.com 1;dmarc=none action=none header.from=microsoft.com;arc=none Received: from CY4PR21MB0168.namprd21.prod.outlook.com (10.173.192.150) by CY4PR21MB0279.namprd21.prod.outlook.com (10.173.193.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1750.7; Thu, 28 Mar 2019 12:57:14 +0000 Received: from CY4PR21MB0168.namprd21.prod.outlook.com ([fe80::e4d9:80f9:fab1:345c]) by CY4PR21MB0168.namprd21.prod.outlook.com ([fe80::e4d9:80f9:fab1:345c%10]) with mapi id 15.20.1771.002; Thu, 28 Mar 2019 12:57:14 +0000 From: Dave Thaler To: teep Thread-Topic: Virtual interim? Thread-Index: AdTlZVBLj24qPdaOTDiRdakK1j/Vgg== Date: Thu, 28 Mar 2019 12:57:12 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=True; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=dthaler@ntdev.microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2019-03-28T12:57:14.2651661Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=General; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Application=Microsoft Azure Information Protection; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=1fc969cc-de2e-433f-bcec-db8d287b229f; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Extended_MSFT_Method=Automatic x-originating-ip: [2001:67c:370:128:5cfb:1fe4:6c80:7a3e] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: fdf9fc2d-9888-4bfd-ac38-08d6b37ce685 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(5600127)(711020)(4605104)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020); SRVR:CY4PR21MB0279; x-ms-traffictypediagnostic: CY4PR21MB0279: x-ms-exchange-purlcount: 2 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 0990C54589 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(346002)(396003)(366004)(39860400002)(136003)(376002)(199004)(189003)(74316002)(97736004)(81156014)(81166006)(10290500003)(25786009)(7736002)(8990500004)(790700001)(6116002)(8676002)(33656002)(105586002)(106356001)(10090500001)(478600001)(316002)(46003)(14454004)(7116003)(186003)(476003)(6506007)(8936002)(7696005)(102836004)(4744005)(486006)(6346003)(3480700005)(6436002)(53936002)(99286004)(9686003)(71200400001)(68736007)(256004)(54896002)(6916009)(22452003)(52536014)(6306002)(2906002)(71190400001)(5660300002)(86612001)(86362001)(55016002); DIR:OUT; SFP:1102; SCL:1; SRVR:CY4PR21MB0279; H:CY4PR21MB0168.namprd21.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=dthaler@microsoft.com; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: hnWSg3r+XeFrjN0RDBIoZY92Qt1q9z/WQDpnVMFgEMhebxFKZTQQCESNmXmH9QsM+ONQn4UGtI4hUa6b7Fmk0WBrnW0ZV4Foxxucb0lc5YB6C6hTqhVgwC1LZj20HOMp2iE3KLES7nf8koQ1MJi6GN49Oez48/5127f4kcsprBRjK0YUZ3qeuhaIAHuXFt6vkbXiV3+7PLbFO/2wc6XzeMZqaQO/KHlMj5IqskbdqkkKAd9ritP1THPIfOTsod8z22uYHL2HmQ7XEd2DqAN5915RHcEz1us2141Wigv3tNoUhhRp2mQ8iKkeCQfMCyf6oDE6kUCFkW4vQjtuvza9gmi2cKmRlM0q306svpaLWZwBqD+K6eLLcAi7ZdngTEotCAxI7+zAWueFdYYC8fHEYpqzE/I5pW2dNoUfVyhsSv4= Content-Type: multipart/alternative; boundary="_000_CY4PR21MB0168423BA83DBA6BE7C311CDA3590CY4PR21MB0168namp_" MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: fdf9fc2d-9888-4bfd-ac38-08d6b37ce685 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Mar 2019 12:57:14.2789 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0279 Archived-At: Subject: [Teep] Virtual interim? X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Mar 2019 12:57:20 -0000 --_000_CY4PR21MB0168423BA83DBA6BE7C311CDA3590CY4PR21MB0168namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable We had a suggestion from someone after the meeting to schedule a virtual in= terim meeting. This week we were a bit pressed for time, and probably could have used 2.5 = hours if there were any 2.5 hour slots available. And there was a suggestion to have Brendan give a manifest format presentat= ion to the WG. Do folks think it be productive to have a webex meeting in, say, mid-May? Do authors of the specs think there would be doc updates before then if we = did schedule one? Dave --_000_CY4PR21MB0168423BA83DBA6BE7C311CDA3590CY4PR21MB0168namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

We had a suggestion from someone after the meeting t= o schedule a virtual interim meeting.

This week we were a bit pressed for time, and probab= ly could have used 2.5 hours if there were any 2.5 hour slots available.

And there was a suggestion to have Brendan give a ma= nifest format presentation to the WG.

 

Do folks think it be productive to have a webex meet= ing in, say, mid-May?

Do authors of the specs think there would be doc upd= ates before then if we did schedule one?

 

Dave

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Thu, 28 Mar 2019 10:27:08 -0400 To: Dave Thaler CC: teep Thread-Topic: [Teep] Virtual interim? Thread-Index: AQHU5XJSV27SHhwsUEaY4Sk1RBb7WA== Date: Thu, 28 Mar 2019 14:27:07 +0000 Message-ID: <051D9B32-64F7-48D2-9022-51F8060ECA11@emc.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_051D9B3264F748D2902251F8060ECA11emccom_" MIME-Version: 1.0 X-Sentrion-Hostname: mailusrhubprd53.lss.emc.com X-RSA-Classifications: public X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-28_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903280098 Archived-At: Subject: Re: [Teep] Virtual interim? X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Mar 2019 14:28:04 -0000 --_000_051D9B3264F748D2902251F8060ECA11emccom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I had some points I wanted to discuss but no time. I am in favor of interim= meeting call. ./Sorin Sent from my iPhone On Mar 28, 2019, at 8:57 AM, Dave Thaler > wrote: [EXTERNAL EMAIL] We had a suggestion from someone after the meeting to schedule a virtual in= terim meeting. This week we were a bit pressed for time, and probably could have used 2.5 = hours if there were any 2.5 hour slots available. And there was a suggestion to have Brendan give a manifest format presentat= ion to the WG. Do folks think it be productive to have a webex meeting in, say, mid-May? Do authors of the specs think there would be doc updates before then if we = did schedule one? Dave _______________________________________________ TEEP mailing list TEEP@ietf.org https://www.ietf.org/mailman/listinfo/teep --_000_051D9B3264F748D2902251F8060ECA11emccom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I had some points I wanted to discuss but no time. I am in favor of interim= meeting call.

./Sorin

Sent from my iPhone

On Mar 28, 2019, at 8:57 AM, Dave Thaler <dthaler=3D40microsoft.com@dmarc.ietf.org&= gt; wrote:

[EXTERNAL EMAIL]

We had a suggestion from someone after the meeting t= o schedule a virtual interim meeting.

This week we were a bit pressed for time, and probab= ly could have used 2.5 hours if there were any 2.5 hour slots available.

And there was a suggestion to have Brendan give a ma= nifest format presentation to the WG.

 

Do folks think it be productive to have a webex meet= ing in, say, mid-May?

Do authors of the specs think there would be doc upd= ates before then if we did schedule one?

 

Dave

_______________________________________________
TEEP mailing list
TEEP@ietf.org
https://www.ie= tf.org/mailman/listinfo/teep
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Re: [Teep] [ietf-teep/OTrP] HTTP Bindings (#14) X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Mar 2019 07:46:01 -0000 --_000_CY4PR21MB0168D9DB7A27245D2B5A354FA35A0CY4PR21MB0168namp_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SSB3b3VsZCBzdWdnZXN0IHdlIHNob3VsZCBrZWVwIGlzc3VlIGRpc2N1c3Npb24gb24gdGhlIGxp c3QsIGFuZCBqdXN0IHVzZSB0aGUgZ2l0aHViIGNvbW1lbnRzIHRvIHN1bW1hcml6ZS4NCg0KQ29t bWVudHMgYmVsb3cgYXMgYW4gaW5kaXZpZHVhbCBwYXJ0aWNpcGFudDoNCg0KRnJvbTogQW5kZXJz IFJ1bmRncmVuIDxub3RpZmljYXRpb25zQGdpdGh1Yi5jb20+DQpTZW50OiBGcmlkYXksIE1hcmNo IDI5LCAyMDE5IDg6MTIgQU0NClRvOiBpZXRmLXRlZXAvT1RyUCA8T1RyUEBub3JlcGx5LmdpdGh1 Yi5jb20+DQpDYzogU3Vic2NyaWJlZCA8c3Vic2NyaWJlZEBub3JlcGx5LmdpdGh1Yi5jb20+DQpT dWJqZWN0OiBbaWV0Zi10ZWVwL09UclBdIEhUVFAgQmluZGluZ3MgKCMxNCkNCg0KDQpJdCBzZWVt 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[77.146.131.25]) by smtp.googlemail.com with ESMTPSA id b11sm1704573wru.61.2019.03.29.02.37.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 29 Mar 2019 02:37:25 -0700 (PDT) To: Dave Thaler , teep References: From: Anders Rundgren Message-ID: Date: Fri, 29 Mar 2019 10:37:22 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------4EAE8E8A9A11F57E84D2614C" Content-Language: en-US Archived-At: Subject: Re: [Teep] [ietf-teep/OTrP] HTTP Bindings (#14) X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Mar 2019 09:37:32 -0000 This is a multi-part message in MIME format. --------------4EAE8E8A9A11F57E84D2614C Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit On 2019-03-29 08:45, Dave Thaler wrote: > > I would suggest we should keep issue discussion on the list, and just use the github comments to summarize. > Fine with me. > Comments below as an individual participant: > > *From:*Anders Rundgren > *Sent:* Friday, March 29, 2019 8:12 AM > *To:* ietf-teep/OTrP > *Cc:* Subscribed > *Subject:* [ietf-teep/OTrP] HTTP Bindings (#14) > > It seems that cloud based TEEs and client based TEEs would work differently (protocol wise) during provisioning, at least when HTTP is used as transport. > > *Client based TEE*: > Request is coming from the client side (outbound) which means that the TAM request data must be delivered in a HTTP /response body/ while the TEE response is delivered in a subsequent HTTP POST request. > > Correct. > > *Cloud based TEE*: > Request is coming from an outside service in the from of an HTTP POST request while the TEE response is returned in the associated HTTP response body. > > That’s not how it’s defined right now, it’s defined to work the same as the client based TEE summary above. > I'm aware of that which was the reason for filing this issue. > This means that the TAM only needs to support one transport protocol mechanism, not two. > It also allows the timing to be TEE-driven, i.e., when the TEE actually needs to do attestation or remediation, etc. > > Do you have any reason it **needs** to be different?  I’m not currently aware of one, so prefer simplicity of one mechanism instead of two. > Well, the traditional way of implementing cloud services over HTTP is client-service-to-cloud-service.  I haven't looked into this https://docs.microsoft.com/en-us/azure/key-vault/ but I would be surprised if it doesn't work approximately as I described.  If the communication also needs to be asynchronous (highly unlikely), more substantial changes would be needed. The TEE provisioning API would (hopefully...) not change by offering two variants of HTTP bindings. > Another difference is that in a cloud based scenario, the requester (TAM) must also be authenticated as a legitimate cloud service account user. This is a part of an HTTP binding scheme as well. > > In both cases the TEE needs to authenticate the TAM, so I don’t think this is a difference either. > I thought the TEE rather attested its identity etc. to the TAM.  In a client scenario (like provisioning mobile phone TAs) the user authenticates to an "App Store" which in turn presumably provides whatever is needed for TAM access. In a cloud scenario like for a hosted Certificate Authority it is not obvious that there actually is a regular TAM.  Where is it and what would it do? Cheers, Anders > Dave > > > _______________________________________________ > TEEP mailing list > TEEP@ietf.org > https://www.ietf.org/mailman/listinfo/teep --------------4EAE8E8A9A11F57E84D2614C Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
On 2019-03-29 08:45, Dave Thaler wrote:

I would suggest we should keep issue discussion on the list, and just use the github comments to summarize.


Fine with me.

 

Comments below as an individual participant:

 

From: Anders Rundgren <notifications@github.com>
Sent: Friday, March 29, 2019 8:12 AM
To: ietf-teep/OTrP <OTrP@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Subject: [ietf-teep/OTrP] HTTP Bindings (#14)

 

It seems that cloud based TEEs and client based TEEs would work differently (protocol wise) during provisioning, at least when HTTP is used as transport.

Client based TEE:
Request is coming from the client side (outbound) which means that the TAM request data must be delivered in a HTTP response body while the TEE response is delivered in a subsequent HTTP POST request.

Correct.

Cloud based TEE:
Request is coming from an outside service in the from of an HTTP POST request while the TEE response is returned in the associated HTTP response body.

That’s not how it’s defined right now, it’s defined to work the same as the client based TEE summary above.


I'm aware of that which was the reason for filing this issue.

This means that the TAM only needs to support one transport protocol mechanism, not two.
It also allows the timing to be TEE-driven, i.e., when the TEE actually needs to do attestation or remediation, etc.

Do you have any reason it *needs* to be different?  I’m not currently aware of one, so prefer simplicity of one mechanism instead of two.


Well, the traditional way of implementing cloud services over HTTP is client-service-to-cloud-service.  I haven't looked into this https://docs.microsoft.com/en-us/azure/key-vault/ but I would be surprised if it doesn't work approximately as I described.  If the communication also needs to be asynchronous (highly unlikely), more substantial changes would be needed.

The TEE provisioning API would (hopefully...) not change by offering two variants of HTTP bindings.

Another difference is that in a cloud based scenario, the requester (TAM) must also be authenticated as a legitimate cloud service account user. This is a part of an HTTP binding scheme as well.

In both cases the TEE needs to authenticate the TAM, so I don’t think this is a difference either.


I thought the TEE rather attested its identity etc. to the TAM.  In a client scenario (like provisioning mobile phone TAs) the user authenticates to an "App Store" which in turn presumably provides whatever is needed for TAM access.

In a cloud scenario like for a hosted Certificate Authority it is not obvious that there actually is a regular TAM.  Where is it and what would it do?

Cheers,
Anders

Dave


_______________________________________________
TEEP mailing list
TEEP@ietf.org
https://www.ietf.org/mailman/listinfo/teep

--------------4EAE8E8A9A11F57E84D2614C-- From nobody Fri Mar 29 23:11:05 2019 Return-Path: X-Original-To: teep@ietfa.amsl.com Delivered-To: teep@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0B0B7120161 for ; Fri, 29 Mar 2019 23:11:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.998 X-Spam-Level: X-Spam-Status: No, score=-1.998 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, URIBL_BLOCKED=0.001] autolearn=unavailable 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 d9uhNpmtlBG8 for ; Fri, 29 Mar 2019 23:11:00 -0700 (PDT) Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) (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 1A569120158 for ; Fri, 29 Mar 2019 23:11:00 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id k17so5091934wrx.10 for ; Fri, 29 Mar 2019 23:11:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:references:message-id:date:user-agent:mime-version :in-reply-to:content-language; bh=m2yz3xvZhqTNcgnDucBb9q+hAj3S+i1KU+piqIOr8O4=; b=uwmOGom1/cRKZiaNTyi5qY7YZeLSXo9J+BGre8gokupX3UopXO1ekLQDKfIEYVMJn2 yc8XmFVyDypWO/bWqNoY0auUKVSfAdMOYR/kqDXq/mM9Th+6TOPtoN/DNVXjpEXEXhid 3JGHIkE3vItjlnQeIMEXMXZ+utulvT10Marxd6y6g8ekD5xhWG9LvXIGL+A6nI0yJyOg zyAP1+efnMBL4Jrpqk14WMiI9WhcdaBTR3JAW8IHD6tOIhYeEb41pYZQhDR/8wM80dHG t8TSoJBcVttqyDdTQ8K79BxnGpElWSkuQAMLLGepj/i7eqwn5AZIrSDW8d/n1cPvf+5B /e0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:references:message-id:date :user-agent:mime-version:in-reply-to:content-language; bh=m2yz3xvZhqTNcgnDucBb9q+hAj3S+i1KU+piqIOr8O4=; b=mKqM580y9txDRsQtbGsTsR3DPPqvOllFEjCjDtiJ+6bQ3nfkP5tJbVioDrZg7b2kob QeANRM9MN1RaOWa2vdiG+syYv4DonjfJE2GvB0kESClfTEhbdgK538boKW/HzxwkU1n/ zZnDVp93bFEMlQvsiHtMdyRU0Csih9Dw3IC8jLBMVfUePzVGWxXC009HdlHMVoi87qbL FI1N0SdajVSFRuQdiwlrAQJ9DDKy4CNvANHWZUaMF5RKhlWuLwbeu9M4IV5sJAAWHwn2 kW7vGUdjKT+5l/VBUqO9jnD5ekQ4IjTRqPC7tHbR9WJoTsHJmLMpiOwwhBqtUVaSelVw QUNg== X-Gm-Message-State: APjAAAXiAbqp4P3SPzrzsguAO8fqokx4Q/n4XwZq4vUCLFcRQPOJxYm+ +FfbrwYoJXTthcGyCbEdZcACuWIV X-Google-Smtp-Source: APXvYqwREsupVZ/Zjh0oUE38tim8iejHjVcczOldr8W37sXDlaDNHENFvZVBavrgQiERP78xTchQkQ== X-Received: by 2002:a5d:4b01:: with SMTP id v1mr27172718wrq.48.1553926257905; Fri, 29 Mar 2019 23:10:57 -0700 (PDT) Received: from [192.168.1.79] (25.131.146.77.rev.sfr.net. [77.146.131.25]) by smtp.googlemail.com with ESMTPSA id x5sm6331499wmi.37.2019.03.29.23.10.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 29 Mar 2019 23:10:56 -0700 (PDT) From: Anders Rundgren To: Dave Thaler , teep References: Message-ID: Date: Sat, 30 Mar 2019 07:10:51 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------D8E9ABBC4424479C4BC709A7" Content-Language: en-US Archived-At: Subject: Re: [Teep] [ietf-teep/OTrP] HTTP Bindings (#14) X-BeenThere: teep@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: A Protocol for Dynamic Trusted Execution Environment Enablement List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Mar 2019 06:11:04 -0000 This is a multi-part message in MIME format. --------------D8E9ABBC4424479C4BC709A7 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit A shorter way of expressing the differences is that a mobile phone scenario is a TA pull/download scheme while a cloud scenario seems more like a TA push/upload thing. Anders On 2019-03-29 10:37, Anders Rundgren wrote: > On 2019-03-29 08:45, Dave Thaler wrote: >> >> I would suggest we should keep issue discussion on the list, and just use the github comments to summarize. >> > > Fine with me. > >> Comments below as an individual participant: >> >> *From:*Anders Rundgren >> *Sent:* Friday, March 29, 2019 8:12 AM >> *To:* ietf-teep/OTrP >> *Cc:* Subscribed >> *Subject:* [ietf-teep/OTrP] HTTP Bindings (#14) >> >> It seems that cloud based TEEs and client based TEEs would work differently (protocol wise) during provisioning, at least when HTTP is used as transport. >> >> *Client based TEE*: >> Request is coming from the client side (outbound) which means that the TAM request data must be delivered in a HTTP /response body/ while the TEE response is delivered in a subsequent HTTP POST request. >> >> Correct. >> >> *Cloud based TEE*: >> Request is coming from an outside service in the from of an HTTP POST request while the TEE response is returned in the associated HTTP response body. >> >> That’s not how it’s defined right now, it’s defined to work the same as the client based TEE summary above. >> > > I'm aware of that which was the reason for filing this issue. > >> This means that the TAM only needs to support one transport protocol mechanism, not two. >> It also allows the timing to be TEE-driven, i.e., when the TEE actually needs to do attestation or remediation, etc. >> >> Do you have any reason it **needs** to be different? I’m not currently aware of one, so prefer simplicity of one mechanism instead of two. >> > > Well, the traditional way of implementing cloud services over HTTP is client-service-to-cloud-service.  I haven't looked into this https://docs.microsoft.com/en-us/azure/key-vault/ but I would be surprised if it doesn't work approximately as I described.  If the communication also needs to be asynchronous (highly unlikely), more substantial changes would be needed. > > The TEE provisioning API would (hopefully...) not change by offering two variants of HTTP bindings. > >> Another difference is that in a cloud based scenario, the requester (TAM) must also be authenticated as a legitimate cloud service account user. This is a part of an HTTP binding scheme as well. >> >> In both cases the TEE needs to authenticate the TAM, so I don’t think this is a difference either. >> > > I thought the TEE rather attested its identity etc. to the TAM. In a client scenario (like provisioning mobile phone TAs) the user authenticates to an "App Store" which in turn presumably provides whatever is needed for TAM access. > > In a cloud scenario like for a hosted Certificate Authority it is not obvious that there actually is a regular TAM.  Where is it and what would it do? > > Cheers, > Anders > >> Dave >> >> >> _______________________________________________ >> TEEP mailing list >> TEEP@ietf.org >> https://www.ietf.org/mailman/listinfo/teep > --------------D8E9ABBC4424479C4BC709A7 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
A shorter way of expressing the differences is that a mobile phone scenario is a TA pull/download scheme while a cloud scenario seems more like a TA push/upload thing.

Anders

On 2019-03-29 10:37, Anders Rundgren wrote:
On 2019-03-29 08:45, Dave Thaler wrote:

I would suggest we should keep issue discussion on the list, and just use the github comments to summarize.


Fine with me.

 

Comments below as an individual participant:

 

From: Anders Rundgren <notifications@github.com>
Sent: Friday, March 29, 2019 8:12 AM
To: ietf-teep/OTrP <OTrP@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Subject: [ietf-teep/OTrP] HTTP Bindings (#14)

 

It seems that cloud based TEEs and client based TEEs would work differently (protocol wise) during provisioning, at least when HTTP is used as transport.

Client based TEE:
Request is coming from the client side (outbound) which means that the TAM request data must be delivered in a HTTP response body while the TEE response is delivered in a subsequent HTTP POST request.

Correct.

Cloud based TEE:
Request is coming from an outside service in the from of an HTTP POST request while the TEE response is returned in the associated HTTP response body.

That’s not how it’s defined right now, it’s defined to work the same as the client based TEE summary above.


I'm aware of that which was the reason for filing this issue.

This means that the TAM only needs to support one transport protocol mechanism, not two.
It also allows the timing to be TEE-driven, i.e., when the TEE actually needs to do attestation or remediation, etc.

Do you have any reason it *needs* to be different?  I’m not currently aware of one, so prefer simplicity of one mechanism instead of two.


Well, the traditional way of implementing cloud services over HTTP is client-service-to-cloud-service.  I haven't looked into this https://docs.microsoft.com/en-us/azure/key-vault/ but I would be surprised if it doesn't work approximately as I described.  If the communication also needs to be asynchronous (highly unlikely), more substantial changes would be needed.

The TEE provisioning API would (hopefully...) not change by offering two variants of HTTP bindings.

Another difference is that in a cloud based scenario, the requester (TAM) must also be authenticated as a legitimate cloud service account user. This is a part of an HTTP binding scheme as well.

In both cases the TEE needs to authenticate the TAM, so I don’t think this is a difference either.


I thought the TEE rather attested its identity etc. to the TAM.  In a client scenario (like provisioning mobile phone TAs) the user authenticates to an "App Store" which in turn presumably provides whatever is needed for TAM access.

In a cloud scenario like for a hosted Certificate Authority it is not obvious that there actually is a regular TAM.  Where is it and what would it do?

Cheers,
Anders

Dave


_______________________________________________
TEEP mailing list
TEEP@ietf.org
https://www.ietf.org/mailman/listinfo/teep


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