From nobody Fri Mar 1 13:13:40 2019 Return-Path: X-Original-To: suit@ietf.org Delivered-To: suit@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 80AE2130FDF; Fri, 1 Mar 2019 13:10:03 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: ekr@rtfm.com, suit@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.92.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <155147460352.6101.18111778748839342980.idtracker@ietfa.amsl.com> Date: Fri, 01 Mar 2019 13:10:03 -0800 Archived-At: Subject: [Suit] suit - Requested session has been scheduled for IETF 104 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Mar 2019 21:10:14 -0000 Dear Russ Housley, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. suit Session 1 (1:30 requested) Wednesday, 27 March 2019, Morning Session I 0900-1100 Room Name: Congress Hall 3 size: 250 --------------------------------------------- iCalendar: https://datatracker.ietf.org/meeting/104/sessions/suit.ics Request Information: --------------------------------------------------------- Working Group Name: Software Updates for Internet of Things Area Name: Security Area Session Requester: Russ Housley Number of Sessions: 1 Length of Session(s): 1.5 Hours Number of Attendees: 100 Conflicts to Avoid: First Priority: ipwave lamps stir ipsecme tls sipbrandy curdle sacm mile teep core ace acme saag Second Priority: t2trg lwig 6lo cfrg perc cbor dprive secdispatch sidrops tcpinc Third Priority: v6ops 6man intarea uta People who must be present: Russ Housley Eric Rescorla Dave Thaler Hannes Tschofenig David Waltermire Resources Requested: Special Requests: --------------------------------------------------------- From nobody Fri Mar 1 18:18:01 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@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: [Suit] Constrained Node/Network Cluster @ IETF104: FINAL AGENDA X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things 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 Fri Mar 8 06:54:16 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4477E1313B7 for ; Fri, 8 Mar 2019 06:54:09 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-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=armh.onmicrosoft.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 vf6mQMKxHHGZ for ; Fri, 8 Mar 2019 06:54:06 -0800 (PST) Received: from EUR02-AM5-obe.outbound.protection.outlook.com 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DB6PR0801MB2101 Archived-At: Subject: [Suit] Introducing draft-moran-suit-behavioural-manifests-00 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Mar 2019 14:54:15 -0000 QWZ0ZXIgSUVURjEwMywgaXQgYmVjYW1lIGNsZWFyIHRoYXQgd2UgbmVlZCB0byBmb2N1cyBtb3Jl IG9uIHZlcnkgY29uc3RyYWluZWQgZGV2aWNlcyBhbmQgdGhhdCBvcHRpbWlzaW5nIHRoZSBmb3Jt YXQgZm9yIGNvbnN0cmFpbmVkIHBhcnNlcnMgd2FzIHZlcnkgaW1wb3J0YW50LiBTaW11bHRhbmVv dXNseSwgd2Ugd2VyZSBwcmVzZW50ZWQgd2l0aCBzZXZlcmFsIG1vcmUgdXNlLWNhc2VzIHRoYXQg cmVxdWlyZWQgZXh0ZW5zaW9uIGFuZCBjb21wbGljYXRpb24gb2YgdGhlIGZvcm1hdC4gSXQgdmVy eSBxdWlja2x5IGJlY2FtZSBjbGVhciB0aGF0IHRoZSBleGlzdGluZyBzZXJpYWxpc2F0aW9uIHdv dWxkIG5vdCBtZWV0IHRoZSBzdGF0ZWQgZ29hbHMgb2YgcmVkdWNpbmcgY29tcGxleGl0eSBpbiBj b25zdHJhaW5lZCBkZXZpY2VzLCBidXQgYWxzbyBlbmFibGUgYWxsIHRoZSBkZXNpcmVkIHVzZS1j 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eSBhbHNvIGJlIHByaXZpbGVnZWQuIElmIHlvdSBhcmUgbm90IHRoZSBpbnRlbmRlZA0KPiByZWNp cGllbnQsIHBsZWFzZSBub3RpZnkgdGhlIHNlbmRlciBpbW1lZGlhdGVseSBhbmQgZG8gbm90IGRp c2Nsb3NlIHRoZQ0KPiBjb250ZW50cyB0byBhbnkgb3RoZXIgcGVyc29uLCB1c2UgaXQgZm9yIGFu eSBwdXJwb3NlLCBvciBzdG9yZSBvciBjb3B5IHRoZQ0KPiBpbmZvcm1hdGlvbiBpbiBhbnkgbWVk aXVtLiBUaGFuayB5b3UuDQo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fDQo+IFN1aXQgbWFpbGluZyBsaXN0DQo+IFN1aXRAaWV0Zi5vcmcNCj4gaHR0cHM6 Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9zdWl0DQo= From nobody Mon Mar 11 13:47:39 2019 Return-Path: X-Original-To: suit@ietf.org Delivered-To: suit@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id C3C9F13116B; Mon, 11 Mar 2019 13:47:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: suit@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.93.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: suit@ietf.org Message-ID: <155233725177.23186.4945617763891688062@ietfa.amsl.com> Date: Mon, 11 Mar 2019 13:47:31 -0700 Archived-At: Subject: [Suit] I-D Action: draft-ietf-suit-architecture-03.txt X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2019 20:47:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Software Updates for Internet of Things WG of the IETF. Title : A Firmware Update Architecture for Internet of Things Devices Authors : Brendan Moran Milosch Meriac Hannes Tschofenig David Brown Filename : draft-ietf-suit-architecture-03.txt Pages : 25 Date : 2019-03-11 Abstract: Vulnerabilities with Internet of Things (IoT) devices have raised the need for a solid and secure firmware update mechanism that is also suitable for constrained devices. Incorporating such update mechanism to fix vulnerabilities, to update configuration settings as well as adding new functionality is recommended by security experts. This document lists requirements and describes an architecture for a firmware update mechanism suitable for IoT devices. The architecture is agnostic to the transport of the firmware images and associated meta-data. This version of the document assumes asymmetric cryptography and a public key infrastructure. Future versions may also describe a symmetric key approach for very constrained devices. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-suit-architecture/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-suit-architecture-03 https://datatracker.ietf.org/doc/html/draft-ietf-suit-architecture-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-suit-architecture-03 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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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, I have submitted an update of the architecture draft to talk about bootload= ers and secure boot in a little bit more details since this was a topic tha= t surfaced a couple of times in discussions on the list. Take a look at Section 8 of https://tools.ietf.org/html/draft-ietf-suit-architecture-03 Ciao Hannes 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_VI1PR0801MB2112E615E1B8EB4093B64126FA490VI1PR0801MB2112_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

 

I have submitted an update of t= he architecture draft to talk about bootloaders and secure boot in a little= bit more details since this was a topic that surfaced a couple of times in= discussions on the list.

Take a look at Section 8 of

https://tools.ietf.org/html/draft-= ietf-suit-architecture-03

 

Ciao

Hannes

 

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_VI1PR0801MB2112E615E1B8EB4093B64126FA490VI1PR0801MB2112_-- From nobody Tue Mar 12 03:02:19 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 616BA130F13 for ; Tue, 12 Mar 2019 03:02:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-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=armh.onmicrosoft.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 ItqvfwRcWeMy for ; Tue, 12 Mar 2019 03:02:14 -0700 (PDT) Received: from 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eSBtZWRpdW0uIFRoYW5rIHlvdS4NCg== From nobody Tue Mar 12 03:34:55 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7C70F129A85 for ; Tue, 12 Mar 2019 03:34:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-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=armh.onmicrosoft.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 SckOrVJic_vD for ; Tue, 12 Mar 2019 03:34:48 -0700 (PDT) Received: from EUR04-HE1-obe.outbound.protection.outlook.com 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Xqh9Kil2X+VuO4JiToqctiWLh9ssz951VrAyEHJ/n3w/ybk9ro+qx/DeyFJDri6eJHmhCSmv02s1GjteS3eL4DWO4FMDTvgcSa2aAawZRtSTOqflJpuE6m4TXe5FlrTcawtO8CmlQnK7I5rg0ey4e0cLLh/OgODHuml7XLIz67JR9Vr63BuaDky7/LjHxMjkbl7XHDoZSrTfVXmX1yF8hwfVpBfrOsbcYTuX/DltGJxKAIG3NqwLXQVxYHBnoBjewU/22q7IgkSsnAvhMXYO8dIBRyKBALHf0PSCNBOKQfjBsldXCC7hggDY+95WXSPeUOZoH+MAXNEr0joTFmwu17oeuT43k+MaCghAsfhZEtJhwdL5/H8iCP3P1kOuC/uxPXM+tJvC9EP0waESGaK6d0xvhOP0ItiVgbS8juQTgUw= Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: fa3f3487-495f-4211-b0dd-08d6a6d65815 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Mar 2019 10:34:44.9731 (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: DB6PR0801MB1720 Archived-At: Subject: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2019 10:34:51 -0000 draft-moran-suit-manifest-04 has now been published. https://tools.ietf.org/html/draft-moran-suit-manifest-04 This draft is the result of combining the information model in draft-moran-= suit-behavioural-manifests-00 (the 01 version fixes example formatting only= ) with that in draft-ietf-suit-information-model, then serialising the resu= lt in CBOR. This is a significant departure from previous drafts. It attemp= ts to preserve flexibility, fully define the behaviour of recipient, simpli= fy the manifest structure, reduce code-size of the recipient, and reduce th= e size of the manifest. This ambitious set of goals required a significant = change in approach as compared to draft-moran-suit-manifest-03 and before. = In order to outline the approach clearly, we have separately published draf= t-moran-suit-behavioural-manifests-00. draft-moran-suit-manifest-04 focuses= more on the serialisation of the manifest. I look forward to discussing this draft in more detail. Best Regards, Brendan 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. From nobody Tue Mar 12 04:27:44 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4FBB4130DE6 for ; Tue, 12 Mar 2019 04:27:43 -0700 (PDT) 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 L8qSa_S2ryeY for ; Tue, 12 Mar 2019 04:27:41 -0700 (PDT) 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 E6970130F16 for ; Tue, 12 Mar 2019 04:27:40 -0700 (PDT) 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 x2CBRUqS010680; Tue, 12 Mar 2019 12:27:35 +0100 (CET) Received: from client-0070.vpn.uni-bremen.de (client-0070.vpn.uni-bremen.de [134.102.107.70]) (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 44JXkp49M0z1Bp8; Tue, 12 Mar 2019 12:27:30 +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: <64367D8F-3B10-46D4-B133-74E4E056804A@arm.com> Date: Tue, 12 Mar 2019 12:27:29 +0100 Cc: =?utf-8?B?Ikt2YW10csO4LCBGcmFuayBBdWR1biI=?= , "suit@ietf.org" X-Mao-Original-Outgoing-Id: 574082847.981697-f27970a4ed15f8a618225f29676e69f4 Content-Transfer-Encoding: quoted-printable Message-Id: <9941AE75-5071-4F3E-ABDD-A35C4EDFD714@tzi.org> References: <64367D8F-3B10-46D4-B133-74E4E056804A@arm.com> To: Brendan Moran X-Mailer: Apple Mail (2.3445.9.1) Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-behavioural-manifests-00 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2019 11:27:43 -0000 On Mar 12, 2019, at 11:02, Brendan Moran wrote: >=20 > I think you=E2=80=99re right, the draft should, at least, specify that = the behavioural document, as a whole, needs to be authenticated. =E2=80=A6 and authorized. The idea to turn the update manifest into an update script (which is a = name I=E2=80=99d prefer then) and let that do what it wants to do, once = authorization says that it should be able to, sounds good. A few parameters go into that authorization. They can be manifest-like = external parameters, or they can be parameters to one or more = =E2=80=9Cunlock=E2=80=9D commands that actually establish the = authorization. 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[64.98.48.55]) by smtp.gmail.com with ESMTPSA id p6sm1297671qkk.29.2019.03.12.16.38.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Mar 2019 16:38:37 -0700 (PDT) Date: Tue, 12 Mar 2019 17:38:34 -0600 From: David Brown To: Brendan Moran Cc: "suit@ietf.org" Message-ID: <20190312233834.GA30645@davidb.org> References: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2019 23:38:42 -0000 On Tue, Mar 12, 2019 at 10:34:44AM +0000, Brendan Moran wrote: >https://tools.ietf.org/html/draft-moran-suit-manifest-04 >I look forward to discussing this draft in more detail. So far, my initial impression is that this is a significant improvement. I will be spending some time changing my prototype implementation to work as a manifest "executor" instead of something that tries to extract data from the manifest to something that evaluates the manifest. In the process, I hope to produce some sample manifests that show the current, as well as in-development multi-image operations that happen within MCUboot. One of the push-backs I got to SUIT on the MCUboot project was a desire to maintain the same semantics between a SUIT manifest and the existing simplistic manifests. Unfortunately, that isn't really a meaningful thing to do with this new manifest format. However, I think this new approach is enough of an improvement, that I may argue to just move to the new SUIT semantics. I'm sure I'll have more feedback as I work on an implementation. David From nobody Fri Mar 15 09:34:11 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E8AF612788F for ; Fri, 15 Mar 2019 09:34:09 -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, 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=linaro.org 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 rPQZRbuz2aHw for ; Fri, 15 Mar 2019 09:34:07 -0700 (PDT) Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) (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 9C885129284 for ; Fri, 15 Mar 2019 09:34:07 -0700 (PDT) Received: by mail-qk1-x72e.google.com with SMTP id z76so5856705qkb.12 for ; Fri, 15 Mar 2019 09:34:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=p/tAkprrogKC1o3ouMfKPU3ZwISSyhhxLgzAUi4kgNE=; b=z6StOYzwZP0kAyYC+OU6FRg1pWlcdvHs/h9DG5iXs+N5x2eCS1CfMWM6k+CPv1mn66 xo1Y1edgKUUNqcd5hJ8ccYyPooYZ8a/0TBND05v3M5PYTxy+lpJ2p3TsELzR3wOM4uN1 jWqDoirupmHboqwK9D1NA7zyDhnric/WgkC7jH1bH4RFcIN5JGM7L/5CTx7tpZ2U0Lq6 t8119jWmWzjn00Ldqfr7EDjleDEOfvSm6GGSWGiKOStaUS9wjLEpux2bRuvzwTrncwEH 90nUeqKXOAVC8PLrsFIWtlB6r4KO5n2C87ZkhihcQg5ZOMAorQU4cqtUpt7qUuzAHWUk +ujg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=p/tAkprrogKC1o3ouMfKPU3ZwISSyhhxLgzAUi4kgNE=; b=dnyPitwrLD9t6ylmpCswEn9kb5/B2x3PKtsGkvZ52jA41uyv93jSfw4vIEpRR/lvqx +WYoMa7uS4yP76KVKOn3B+89QZk7p6GKK3IxLP/3zFShfpk6zdC/xXS5LqiaTBErAUh7 csPoVfkhCmR2DxsYWbiKJqNHbjgCoePJo3PmXsqcdo/mifUSjNjmMefKLFTepH3GDlsi H2Obt7/LJm2c3rsKQHYr5zr4nnsHkRU7FB2EaZxrLNQdfjFsb4s4V6qnV8ywmOaVAugC 01MTX88P3kqQlhLvixO5ukxU22JLX3NszwqbBN/qzWwwq8rCmhBmpEiUlXtRgZKTP0SB Ggmg== X-Gm-Message-State: APjAAAWR4K3Dm5I8AIFiE86jbwKTqR48WFM58Yq4j+oK/YTKisAs9DuN tf0dYx9UsEcS+yAWh+lIZnUgty4fojcFVg== X-Google-Smtp-Source: APXvYqwuVgk7iCtkzAquEinIyIjvxZPBtJFUDcqW7DHaQ7Bb8d9y8zD3nWdct+MEYU98CuIUyeVYWw== X-Received: by 2002:a05:620a:123b:: with SMTP id v27mr3321711qkj.29.1552667646396; Fri, 15 Mar 2019 09:34:06 -0700 (PDT) Received: from davidb.org (cn-co-b07400e8c3-142422-1.tingfiber.com. [64.98.48.55]) by smtp.gmail.com with ESMTPSA id a73sm1391318qkb.66.2019.03.15.09.34.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Mar 2019 09:34:05 -0700 (PDT) Date: Fri, 15 Mar 2019 10:34:02 -0600 From: David Brown To: Brendan Moran Cc: "suit@ietf.org" Message-ID: <20190315163402.GA25574@davidb.org> References: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Mar 2019 16:34:10 -0000 On Tue, Mar 12, 2019 at 10:34:44AM +0000, Brendan Moran wrote: >draft-moran-suit-manifest-04 has now been published. > >https://tools.ietf.org/html/draft-moran-suit-manifest-04 One point I wanted to bring up on-list was that this draft seems to have a bit of a bias toward devices that execute programs by copying them from flash to RAM and executing them out of RAM. Given the class of devices that we are targeting, I would suggest that this is actually fairly uncommon, and most of these types of devices will generally be set up to execute directly out of flash, so called XIP or eXecute In Place. For these kinds of devices, the directives in the draft are a little bit of a mismatch with how upgrades happen on these kinds of devices. To clarify, I will explain how upgrades currently work for devices targeted by MCUboot (and by extension TF-M): - The flash is divided into a series of slots. For a device with a single process and image, it will be something like: +------------+ | bootloader | +------------+ | Primary | +------------+ | Secondary | +------------+ | Scratch | +------------+ | Storage | +------------+ For a multi-CPU/image device, there will be a pair of primary and secondary slots. To simplify, I will make this example just for a single-image device. - For normal execution, the bootloader validates the image in the "primary" slot, and if it is valid, jumps directly to its start address within flash. - The download part of an upgrade happens while the application is running, and this code is contained within the code currently running in the primary image. It downloads the upgrade into the "secondary" slot. This new code cannot execute at this address, but is placed here as the image is downloaded. The assumption is that their isn't sufficient RAM to hold the entire image, and that a download may be interrupted. - Once the application has finished downloading the new image, it writes a special marker to the end of the "secondary" slot and causes a reboot. - The bootloader detects this upgrade request in the secondary slot and begins a series of steps: - Verify the image in the secondary slot. - Using the scratch area exchange the images in the primary and secondary slot - Verify the new primary slot. - Jump to the new primary image This is designed in such a way that it can resume after any untimely interruption. - If the new image boots successfully, it writes a marker at the end of the "primary" slot to indicate that the image is correct. Otherwise, if the bootloader boots without seeing this marker, it will exchange the primary and secondary images again to undo the upgrade. Within either the primary or secondary slot, the image has a format similar to: +------------+ | Header | +------------+ | Executable | +------------+ | Manifest | +------------+ there is no real separate place to store the manifest. This does mean that during an upgrade the manifest for both the old and the new image are present in flash. I'm curious what thoughts people have on how to apply the draft 4 manifest to the above scenario. Operations such as "load" aren't really meaningful, but apply-image would certainly make sense. However, the installation of a new image is partially initiated by a different piece of code than the bootloader which is responsible for actually installing the image. This state has to be managed carefully in a way that works with NOR flash, and therefore will probably live outside of the manifest. Thanks, David From nobody Fri Mar 15 16:20:43 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 02902124BAA for ; Fri, 15 Mar 2019 16:20:42 -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, 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 XORMB1bJMu_n for ; Fri, 15 Mar 2019 16:20:39 -0700 (PDT) Received: from NAM01-BN3-obe.outbound.protection.outlook.com (mail-eopbgr740090.outbound.protection.outlook.com [40.107.74.90]) (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 B515212008A for ; 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x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 6MKevhZTaTspYZEYC4AEjq/68B866QFyMpBxA3dApyIChVIacSvOrunLND02dcW/5vMlhexQCpRszo6WL8tTlaAOK4RYpBWTaXmEmmEMagTSjSRqONyQuhTLwnzQcEe8NsYfz2oCgOphAFcWFmwalqGimEBToy0P+c1KSKjwBwIiwOa7YYMzmlkTnsbP3pwn/00i3Nq899mhhhn5RgFDrEuf6YSDMml2Dq+GMNOyLpPM/0kjnDMw4AMn0q+jfQFHRWyTmgTULCeFm8I08WQ0QX7/nWnr6r4UPjq+QSipZnkadnDTcVbcYMOJaDXs6ABB5UORjmCNEPufuTo/Iym4UhpkGIFrlYfwflDrlahCeivg77diIZ5hckhltnkCjbUU7YtpQ+LNTX1C+5wQjRCGo2ukpG1CZzsGinXKh9r/tvQ= 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: b090f820-baa5-4688-64b3-08d6a99cd3ff X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Mar 2019 23:20:35.4623 (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: BYAPR21MB1350 Archived-At: Subject: Re: [Suit] draft-moran-suit-manifest-04 - prescriptive X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Mar 2019 23:20:42 -0000 Hi Brendan,=20 This an impressive re-draft, it's almost a new/separate manifest approach a= ll together. I like the switch from a descriptive approach to a prescriptiv= e one and the fact that the manifest is quite small for the basic cases.=20 Is your goal to develop a generic installer which could interpret the "scri= pt" (apply-image and run-image sections) and apply any number of images on = a fairly complicated MCU configuration? (It reminds me a bit of the setup.i= nf scripting capabilities I added in Windows 2.0) I think that would be qui= te intriguing for more sophisticated MCUs, but I would expect very constrai= ned MCUs (like the one targeted by MCUBoot) to use a special purpose instal= ler. But because the "script" portions of the manifest are optional, none w= ould need to be present for those cases, correct? Here are a few specific comments and questions: * Component Id I understand the first parameter is a bstr for name, but what's the second = (numeric) parameter? Is that some type of offset? Did I miss the explanatio= n for this parameter? * URIs If you need to install 10 images, the URIs take up a lot of space and there= is a good chance they all have the same base URL. How about allowing to sp= ecify the base URL and append the component name to that URL? * Dependency, Unpacking... The examples are very useful, but only cover a few manifest options. Can yo= u provide some more examples to cover dependency blocks, unpacking, run_seq= uence etc? Thanks Martin -----Original Message----- From: Suit On Behalf Of Brendan Moran Sent: Tuesday, March 12, 2019 3:35 AM To: suit@ietf.org Subject: [Suit] Introducing draft-moran-suit-manifest-04 draft-moran-suit-manifest-04 has now been published. https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools.i= etf.org%2Fhtml%2Fdraft-moran-suit-manifest-04&data=3D02%7C01%7Cmartin.p= agel%40microsoft.com%7Cae6e6ad7d8824b10589808d6a6d6614f%7C72f988bf86f141af9= 1ab2d7cd011db47%7C1%7C1%7C636879837023990832&sdata=3DqjrMKS33E91CBhWvq3= vqxeyMeEnHC52UoIv1eU6vypM%3D&reserved=3D0 This draft is the result of combining the information model in draft-moran-= suit-behavioural-manifests-00 (the 01 version fixes example formatting only= ) with that in draft-ietf-suit-information-model, then serialising the resu= lt in CBOR. This is a significant departure from previous drafts. It attemp= ts to preserve flexibility, fully define the behaviour of recipient, simpli= fy the manifest structure, reduce code-size of the recipient, and reduce th= e size of the manifest. This ambitious set of goals required a significant = change in approach as compared to draft-moran-suit-manifest-03 and before. = In order to outline the approach clearly, we have separately published draf= t-moran-suit-behavioural-manifests-00. draft-moran-suit-manifest-04 focuses= more on the serialisation of the manifest. I look forward to discussing this draft in more detail. Best Regards, Brendan 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. _______________________________________________ Suit mailing list Suit@ietf.org https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.iet= f.org%2Fmailman%2Flistinfo%2Fsuit&data=3D02%7C01%7Cmartin.pagel%40micro= soft.com%7Cae6e6ad7d8824b10589808d6a6d6614f%7C72f988bf86f141af91ab2d7cd011d= b47%7C1%7C1%7C636879837023990832&sdata=3DXZUgZppgBVKl%2FXViCMnEyGQ030B6= u5kZQY1OYCtCYXg%3D&reserved=3D0 From nobody Fri Mar 15 16:24:26 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B1BAC131095 for ; Fri, 15 Mar 2019 16:24:24 -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, 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); 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DIR:OUT; SFP:1102; SCL:1; SRVR:BYAPR21MB1350; H:BYAPR21MB1317.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=Martin.Pagel@microsoft.com; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: yq+fFpbpqdchf0RfmbU58klu7KR7fa7Y7+ACZ49fR1PFV3+Zg8Qyw8aIfGd6jb+UP75xQXPpI8qT6NbR5LxsOdIsMIC8gcMBZTQt+nZT0j2vaxaWqM++6rJN3xRvWJDVGMergrzP8sVJH/Xro2oX7Fu5i4dFsxYeQf0fOI89Sfsgr3Uhhdhthbu3eouUL7z8jZZ+ygx97R53kXqmV79R0lcW6L2X5bS7niLk/NTwgXSSOeq5k8HtTKh6xjHNluDhCqKrQSCV5QiqMz1H0WsggxaihU7/vIOmOVaVHpmqiH9jEdz5CVwoj9sHTQqTxcor7wCF+bsSiGDd7VyiNTsSUFknJRARmEbvjWQcbc+IoseWcO00qLw3T/wnLHYzLTFZBCHECQO2TgeDzXf5zwgy3XC7VGObmh4J9rtbwVj5MH8= 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: 62a2bba2-2632-4353-2de2-08d6a99d5981 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Mar 2019 23:24:19.4747 (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: BYAPR21MB1350 Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Mar 2019 23:24:25 -0000 David,=20 I don't think that copying to RAM is mandatory or even recommended. Example 1 should be all you need. Martin -----Original Message----- From: Suit On Behalf Of David Brown Sent: Friday, March 15, 2019 9:34 AM To: Brendan Moran Cc: suit@ietf.org Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 On Tue, Mar 12, 2019 at 10:34:44AM +0000, Brendan Moran wrote: >draft-moran-suit-manifest-04 has now been published. > >https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools >.ietf.org%2Fhtml%2Fdraft-moran-suit-manifest-04&data=3D02%7C01%7Cmart >in.pagel%40microsoft.com%7Ccfe120c246fd48faecff08d6a9641143%7C72f988bf8 >6f141af91ab2d7cd011db47%7C1%7C0%7C636882644594352532&sdata=3DeWHvkKwY >sXddzBMjbNpDlT9%2FQwshteFLmbU3bIiKwk4%3D&reserved=3D0 One point I wanted to bring up on-list was that this draft seems to have a = bit of a bias toward devices that execute programs by copying them from fla= sh to RAM and executing them out of RAM. Given the class of devices that we are targeting, I would suggest that this= is actually fairly uncommon, and most of these types of devices will gener= ally be set up to execute directly out of flash, so called XIP or eXecute I= n Place. For these kinds of devices, the directives in the draft are a lit= tle bit of a mismatch with how upgrades happen on these kinds of devices. To clarify, I will explain how upgrades currently work for devices targeted= by MCUboot (and by extension TF-M): - The flash is divided into a series of slots. For a device with a single process and image, it will be something like: +------------+ | bootloader | +------------+ | Primary | +------------+ | Secondary | +------------+ | Scratch | +------------+ | Storage | +------------+ For a multi-CPU/image device, there will be a pair of primary and secondary slots. To simplify, I will make this example just for a single-image device. - For normal execution, the bootloader validates the image in the "primary" slot, and if it is valid, jumps directly to its start address within flash. - The download part of an upgrade happens while the application is running, and this code is contained within the code currently running in the primary image. It downloads the upgrade into the "secondary" slot. This new code cannot execute at this address, but is placed here as the image is downloaded. The assumption is that their isn't sufficient RAM to hold the entire image, and that a download may be interrupted. - Once the application has finished downloading the new image, it writes a special marker to the end of the "secondary" slot and causes a reboot. - The bootloader detects this upgrade request in the secondary slot and begins a series of steps: - Verify the image in the secondary slot. - Using the scratch area exchange the images in the primary and secondary slot - Verify the new primary slot. - Jump to the new primary image This is designed in such a way that it can resume after any untimely interruption. - If the new image boots successfully, it writes a marker at the end of the "primary" slot to indicate that the image is correct. Otherwise, if the bootloader boots without seeing this marker, it will exchange the primary and secondary images again to undo the upgrade. Within either the primary or secondary slot, the image has a format similar= to: +------------+ | Header | +------------+ | Executable | +------------+ | Manifest | +------------+ there is no real separate place to store the manifest. This does mean that= during an upgrade the manifest for both the old and the new image are pres= ent in flash. I'm curious what thoughts people have on how to apply the draft 4 manifest = to the above scenario. Operations such as "load" aren't really meaningful,= but apply-image would certainly make sense. However, the installation of a new image is partially initiated by a differ= ent piece of code than the bootloader which is responsible for actually ins= talling the image. This state has to be managed carefully in a way that wo= rks with NOR flash, and therefore will probably live outside of the manifes= t. Thanks, David _______________________________________________ Suit mailing list Suit@ietf.org https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.iet= f.org%2Fmailman%2Flistinfo%2Fsuit&data=3D02%7C01%7Cmartin.pagel%40micro= soft.com%7Ccfe120c246fd48faecff08d6a9641143%7C72f988bf86f141af91ab2d7cd011d= b47%7C1%7C0%7C636882644594352532&sdata=3D271MhUpRnQbktJs5CgZfjLBYPbVkMX= nPE80wSZL%2BrDY%3D&reserved=3D0 From nobody Sat Mar 16 23:27:44 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 05E7313115A for ; Sat, 16 Mar 2019 23:27:43 -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, 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=linaro.org 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 OoWbeX2uINgN for ; Sat, 16 Mar 2019 23:27:41 -0700 (PDT) Received: from mail-qt1-x835.google.com (mail-qt1-x835.google.com [IPv6:2607:f8b0:4864:20::835]) (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 CFC8E131159 for ; Sat, 16 Mar 2019 23:27:40 -0700 (PDT) Received: by mail-qt1-x835.google.com with SMTP id z25so14555701qti.13 for ; Sat, 16 Mar 2019 23:27:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=VRM43PWG6BHBqgWQSzTs4qV+KEvGEkva8Bp+AFHnvCM=; b=LmZSP7dnQKUiT4dwf1IEx3WrOQ+dO6nRAtm266UGZDrk+uvcDqDz0AiGxuiOjX4miw J2M1RF9UpNcOagNoSVmUpwcKkyvtU2B+lVD76ZWno0xotVqrt5lF218HvxSZslouM489 xRYxnmvoljkz3Ip6aOzlqI6EMj+wPtEiEOZpNCGetr6gVZw3bBGv1YaNqDrxnlNseEHV a0Jf41jEz2SDpXlQ1m+kERJjoPp3kyTpGFrZrJWctFq1pJvlw3eKOMb55VnFZmldrG00 wXSvPL+SnoHHoR/WmYHHHNuka66AkYnzcWf/0cfYEwqEd4qsh16EcGwOqlnuPtFklCYY 44EA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=VRM43PWG6BHBqgWQSzTs4qV+KEvGEkva8Bp+AFHnvCM=; b=Q8eZA8kzVLMtV3j3R6JJjfoR0eoopAth5z3Ys93VQ4jyOajAd2MmnE1EmHQ6RToKUd qo1omjOwWNF+gfOU6IUWWrXXaMqzbfslH7ggXs/FWdFRv5hMuSzhbTIy9TE8iMwammww h+McL7dse3tdf95ppBl1FZgqBgeu+zlhHMuDDkApZuEtJyzkn6D/s2dOPSlHL6zTpTFb pIKGEuWCnPgHDsl/TjGolhCBBiXs/NHLGoImx6hKetfXE+jb5E5+pe0GvMqWyga6zTw+ Dm0JgCcn//ef7VNo7kvNDLsDTrOW/OXa2or79uOmULWuPhIn8wlfrxzBrGT59NCSC4As m8fg== X-Gm-Message-State: APjAAAVEE3+M53yzNzzVoSXLhv7oAJRDThpKb5a2MOVeKsvKRouZBvfO uoiYxgngsV/zChoL4bZ3YGee2A== X-Google-Smtp-Source: APXvYqz3PqZdmmQn2AfbBC7XVtsUfapU22KR2504tk6P6NJvPfiyqO/08y80ZUpZshllwGpYtgcX8A== X-Received: by 2002:aed:2062:: with SMTP id 89mr9374046qta.273.1552804059715; Sat, 16 Mar 2019 23:27:39 -0700 (PDT) Received: from davidb.org (cn-co-b07400e8c3-142422-1.tingfiber.com. [64.98.48.55]) by smtp.gmail.com with ESMTPSA id a43sm5106541qta.54.2019.03.16.23.27.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 16 Mar 2019 23:27:38 -0700 (PDT) Date: Sun, 17 Mar 2019 00:27:35 -0600 From: David Brown To: Martin Pagel Cc: Brendan Moran , "suit@ietf.org" Message-ID: <20190317062735.GA27734@davidb.org> References: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> <20190315163402.GA25574@davidb.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Mar 2019 06:27:43 -0000 On Fri, Mar 15, 2019 at 11:24:19PM +0000, Martin Pagel wrote: >I don't think that copying to RAM is mandatory or even recommended. >Example 1 should be all you need. As far as booting, yes. But, the "install image" instructions don't seem to cover how images are typically installed on these systems. David > >-----Original Message----- >From: Suit On Behalf Of David Brown >Sent: Friday, March 15, 2019 9:34 AM >To: Brendan Moran >Cc: suit@ietf.org >Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 > >On Tue, Mar 12, 2019 at 10:34:44AM +0000, Brendan Moran wrote: >>draft-moran-suit-manifest-04 has now been published. >> >>https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools >>.ietf.org%2Fhtml%2Fdraft-moran-suit-manifest-04&data=02%7C01%7Cmart >>in.pagel%40microsoft.com%7Ccfe120c246fd48faecff08d6a9641143%7C72f988bf8 >>6f141af91ab2d7cd011db47%7C1%7C0%7C636882644594352532&sdata=eWHvkKwY >>sXddzBMjbNpDlT9%2FQwshteFLmbU3bIiKwk4%3D&reserved=0 > >One point I wanted to bring up on-list was that this draft seems to have a bit of a bias toward devices that execute programs by copying them from flash to RAM and executing them out of RAM. > >Given the class of devices that we are targeting, I would suggest that this is actually fairly uncommon, and most of these types of devices will generally be set up to execute directly out of flash, so called XIP or eXecute In Place. For these kinds of devices, the directives in the draft are a little bit of a mismatch with how upgrades happen on these kinds of devices. > >To clarify, I will explain how upgrades currently work for devices targeted by MCUboot (and by extension TF-M): > > - The flash is divided into a series of slots. For a device with a > single process and image, it will be something like: > > +------------+ > | bootloader | > +------------+ > | Primary | > +------------+ > | Secondary | > +------------+ > | Scratch | > +------------+ > | Storage | > +------------+ > > For a multi-CPU/image device, there will be a pair of primary and > secondary slots. To simplify, I will make this example just for a > single-image device. > > - For normal execution, the bootloader validates the image in the > "primary" slot, and if it is valid, jumps directly to its start > address within flash. > > - The download part of an upgrade happens while the application is > running, and this code is contained within the code currently > running in the primary image. It downloads the upgrade into the > "secondary" slot. This new code cannot execute at this address, > but is placed here as the image is downloaded. The assumption is > that their isn't sufficient RAM to hold the entire image, and that > a download may be interrupted. > > - Once the application has finished downloading the new image, it > writes a special marker to the end of the "secondary" slot and > causes a reboot. > > - The bootloader detects this upgrade request in the secondary slot > and begins a series of steps: > > - Verify the image in the secondary slot. > > - Using the scratch area exchange the images in the primary and > secondary slot > > - Verify the new primary slot. > > - Jump to the new primary image > > This is designed in such a way that it can resume after any > untimely interruption. > > - If the new image boots successfully, it writes a marker at the end > of the "primary" slot to indicate that the image is correct. > Otherwise, if the bootloader boots without seeing this marker, it > will exchange the primary and secondary images again to undo the > upgrade. > >Within either the primary or secondary slot, the image has a format similar to: > > +------------+ > | Header | > +------------+ > | Executable | > +------------+ > | Manifest | > +------------+ > >there is no real separate place to store the manifest. This does mean that during an upgrade the manifest for both the old and the new image are present in flash. > >I'm curious what thoughts people have on how to apply the draft 4 manifest to the above scenario. Operations such as "load" aren't really meaningful, but apply-image would certainly make sense. >However, the installation of a new image is partially initiated by a different piece of code than the bootloader which is responsible for actually installing the image. This state has to be managed carefully in a way that works with NOR flash, and therefore will probably live outside of the manifest. > >Thanks, >David > >_______________________________________________ >Suit mailing list >Suit@ietf.org >https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fsuit&data=02%7C01%7Cmartin.pagel%40microsoft.com%7Ccfe120c246fd48faecff08d6a9641143%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636882644594352532&sdata=271MhUpRnQbktJs5CgZfjLBYPbVkMXnPE80wSZL%2BrDY%3D&reserved=0 From nobody Thu Mar 21 09:19:02 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5DE4813145E for ; Thu, 21 Mar 2019 09:18:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, 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[64.98.48.55]) by smtp.gmail.com with ESMTPSA id u16sm8732002qtc.84.2019.03.22.10.39.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Mar 2019 10:39:11 -0700 (PDT) Date: Fri, 22 Mar 2019 11:39:08 -0600 From: David Brown To: Brendan Moran Cc: "suit@ietf.org" Message-ID: <20190322173908.GA17361@davidb.org> References: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> <20190315163402.GA25574@davidb.org> <59F62162-578C-4975-A25B-EC261A7F4F7D@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <59F62162-578C-4975-A25B-EC261A7F4F7D@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Mar 2019 17:39:16 -0000 On Thu, Mar 21, 2019 at 04:30:53PM +0000, Brendan Moran wrote: >Reboot resilience for “swap” is probably outside the scope of this draft. >Adding a condition to check the success marker might be useful. I'm not sure it really even makes sense to describe the reboot resilience in the manifest. At least for swap, it is a large number of steps that have to be done carefully, along with a lot of extra state that is written every step. I would think this intermediate state is beyond the scape of the manifest. For those interested, I've thrown together a bit of an amination describing how the swap operation works in MCUboot, including at least part of its state. https://www.youtube.com/watch?v=TvXjw2l0Cd0 I'm not actually sure it is even going to make very much sense for MCUboot to follow steps in the manifest, rather than just verifying that they are present. The steps make sense for the download application. Some of the modes I envision ultimately supporting in MCUboot: - swap: The current mode. This is initiated by a "trailer" being written to the secondary image, and the bootloader verifying that the manifest is correct. It might make sense for it to follow the "swap" instruction, but it would only look at this secondary manifest after being instructed to, out of band. - overwrite: The other current possible mode. Also initialized by the "trailer" being written at the end of the second image, and the bootloader verifying that the manifest is correct. The second image is copied to the primary image slot. This is easier to make resilient, since the entire operation can be restarted. - Boot best: not implemented. The upgrade would download an image in the slot that is not being used. There would be two images built, one linked to each slot. Right now, upon boot, MCUboot checks the manifest of the primary slot, and will boot that image if it is valid. Before this, it will check the trailer of the second slot to see if an upgrade is requested, and if so, check that manifest, and possibly swap/overwrite depending on how it is built. One difficulty I see following steps in the manifest is that the code currently maintains state out-of-band from the manifest. The current state is: - copy done: indicates that a copy/swap has finished and the primary image can be checked (avoids having to check the secondary partition manifest on every boot). - image ok: after a new image boots, and decides it is functional, it writes this marker. Without this marker being written, a subsequent reboot will cause the swap operation to be repeated to revert the image. - swap state: a series of markers to track the state of a swap, so that it can be resumed if necessary. Any thoughts on what is appropriate to even represent in the manifest? The two instructions that the bootloader would follow would be "swap" or "apply" (depending on configuration), and "run". Right now, we distinguish swap vs copy by whether the new image contains the "image ok" marker, but having two instructions could distinguish this as well. There is some concern within the MCUboot community about semantic differences between how the existing manifest is processed and how SUIT will be processed. Thanks, David From nobody Fri Mar 22 10:44:47 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CBC151313A5 for ; Fri, 22 Mar 2019 10:44:45 -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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, 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=linaro.org 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 v3YgmyVt82S6 for ; Fri, 22 Mar 2019 10:44:44 -0700 (PDT) Received: from mail-qk1-x72b.google.com (mail-qk1-x72b.google.com [IPv6:2607:f8b0:4864:20::72b]) (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 00EFB13139B for ; Fri, 22 Mar 2019 10:44:43 -0700 (PDT) Received: by mail-qk1-x72b.google.com with SMTP id w20so1707443qka.7 for ; Fri, 22 Mar 2019 10:44:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=RKH8v/ectdBCSbfqubAdPmzhHVNc6L3xyjmbDulQdB0=; b=ezXcAtihlzlmRU9yyUifa54gwExN4g/sBfsdERGinoGlgOk6zaIoMkjW6Ar6LR/jXr Ghfdh6QE77vvW1lCL6Sg/1Rht8lHPFwbkdrxoZCwKj6+bhE4F+xitgHL9yjg7QLxHdxM AEp70+wL4HG7ltDEGHg0jPR4lKSMn+kZxf2JpuqkUv4wSwbd2grr/yq78aTPCxI4/NuL gXwPMfYsMHB/R4GN4OXq3OBQWT8arQS/mYyWFPF69euaEtfegEEZfoDAX3imf1BAU9s3 J0dvAMTVDqUCoDAZvxhyUUCG9IrermukHLpF8ohDEgQed6H1MjFWt3Lryjmkn/c7vcAf 7HVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=RKH8v/ectdBCSbfqubAdPmzhHVNc6L3xyjmbDulQdB0=; b=e9TxBICV6wPIvmbtSmQILLWNcIw0EHK/TmOBGi1WRBpl5Tvcd6me4eNPLmOCHDTY8s KnKSTH5lw7IwES6PU+D8kfiaf2kVd++nGLfbq016zmIUQJz/l3DkkzRLni9ed9NyeE7i J6Zkzc4BiLzJB3YpeIxk5VrLWFzngtwIZ8UPaXq+VhJ35ycI8vUZUhiz5uU32j17BdD0 Nptl+fekA7YxmWL4nAETKl9dEpW2yZAq/haxm9rui4D4/JUv9erHvjTj38WVxG2NXxrZ qP7nHqFTE6ThvrCH4tS35K/rV1FucFQIdWeziKKAgw3CkC2vBXShQP4xCh8sjA4vpZ+4 s9Ww== X-Gm-Message-State: APjAAAV9GPVWq/M3uj/GIVmx+xw+iV4HLigfU0vQ2E25H9tYA77ZxhtJ KXd2pe3mj0+7gEJYcs7/bgX54A== X-Google-Smtp-Source: APXvYqzf7gpwd4gxbk15fy93YS64mc1XHI0EdFijtaH+0evHjqe1nVgeeDTs2QvPc8wZm6UEfkTHLQ== X-Received: by 2002:a37:e315:: with SMTP id y21mr8843393qki.233.1553276682904; Fri, 22 Mar 2019 10:44:42 -0700 (PDT) Received: from davidb.org (cn-co-b07400e8c3-142422-1.tingfiber.com. [64.98.48.55]) by smtp.gmail.com with ESMTPSA id l129sm4716846qkb.44.2019.03.22.10.44.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Mar 2019 10:44:42 -0700 (PDT) Date: Fri, 22 Mar 2019 11:44:39 -0600 From: David Brown To: Brendan Moran Cc: "suit@ietf.org" Message-ID: <20190322174439.GB17361@davidb.org> References: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Archived-At: Subject: Re: [Suit] Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Mar 2019 17:44:46 -0000 In regards to encrypting images. I wanted to explain a little how this works in MCUboot. The basic process is similar to the swap described in: https://www.youtube.com/watch?v=TvXjw2l0Cd0 However, the image in the secondary slot is always encrypted, and the image in the primary slot is always unencrypted. This makes an assumption that the primary slot is more difficult to access (usually an internal device), and that the secondary slot lives in an external device. The manifest is not changed when the image is moved between the slots (and decrypted/encrypted). Right now this logic is hard-coded into MCUboot. It would certainly be possible to keep it hard-coded, and have the manifest describe both the encrypted and unencrypted payload that MCUboot would then just know which one to use. Note also that the primary image is re-encrypted when the swap happens. It uses the same IV for the encryption, which bothers me, since it makes it slightly vulnerable to the plaintext being modified (although if the plain text can be modified, many other attacks are possible). Any other thoughts on how to handle this? BTW, this is not really talking about encrypted payloads that are downloaded and decrypted before being written to flash. This is where there are two images in flash, the executable one being unencrypted. 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CY4PR21MB0854 Archived-At: Subject: [Suit] Trust Anchor Store definition in arch doc X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Mar 2019 12:24:14 -0000 --_000_CY4PR21MB01682507A61342DBCDFDD134A35E0CY4PR21MB0168namp_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 VGhlcmXigJlzIGEgZGlzY3Vzc2lvbiBvbiB0aGUgVEVFUCBXRyBsaXN0LCB3aGVyZSBEYXZpZCBX aGVlbGVyIHByb3ZpZGVkIGZlZWRiYWNrIHRoYXQgYXBwbGllcyB0byB0aGUgU1VJVCBhcmNoaXRl Y3R1cmUgZG9jdW1lbnQgdGV4dC4NCkZvcndhcmRpbmcgaGlzIGZlZWRiYWNrIHRvIFNVSVQsIHdp dGggaGlzIHBlcm1pc3Npb24uICAoTW9zdCByZWNlbnQgcmVzcG9uc2UsIHdpdGggc2FpZCBmZWVk YmFjaywgYXQgdG9wLCB3aXRoIG9sZGVyIHJlc3BvbnNlcyBmb2xsb3dpbmcsDQpzaW5jZSB0aGF0 4oCZcyB3aGF0IGdpdGh1YiBkaWQgd2l0aCB0aGVt4oCmKQ0KDQpEYXZlDQoNCi0tLS0tLS0tLS0t 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(10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Mon, 25 Mar 2019 21:06:59 -0500 Received: from LC02T30BGGTFM (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x2Q26qaQ063689 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 25 Mar 2019 21:06:59 -0500 References: <16EC7DB9-1649-4A86-A370-F77CB03305AC@arm.com> <20190315163402.GA25574@davidb.org> <59F62162-578C-4975-A25B-EC261A7F4F7D@arm.com> <20190322173908.GA17361@davidb.org> User-agent: mu4e 1.1.0; emacs 26.1 From: Cody Addison To: CC: Brendan Moran Message-ID: In-Reply-To: <20190322173908.GA17361@davidb.org> Date: Mon, 25 Mar 2019 21:06:52 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Archived-At: Subject: Re: [Suit] [EXTERNAL] Re: Introducing draft-moran-suit-manifest-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Mar 2019 02:07:05 -0000 David, Brendan, > Any thoughts on what is appropriate to even represent in the manifest? > The two instructions that the bootloader would follow would be "swap" > or "apply" (depending on configuration), and "run". Right now, we > distinguish swap vs copy by whether the new image contains the "image > ok" marker, but having two instructions could distinguish this as > well. Was there ever a consensus on how to represent this operation in the manife= st? The copy instruction seems like the appropriate instruction to use in t= he install phase, but I'm not sure what component identifier to use for the= source. My working assumption has been that a tool will create a single fi= le which contains the manifest and payload data. Take a simple example of a= dual core MCU: +--------------+ + Manifest + +--------------+ + FW1 + +--------------+ + FW2 + +--------------+ That file would then be streamed to the device and installed either on the = fly or in separate download and install stages where the download includes = the manifest and payloads. In more complicated scenarios there may be multi= ple payloads that are optionally fetched. I see how to use the SUIT_Conditi= on element to control which payloads get installed, but not how to referenc= e payloads within the file. Maybe my working model is incorrect and this is= not how the manifest is intended to be used? David Brown writes: > On Thu, Mar 21, 2019 at 04:30:53PM +0000, Brendan Moran wrote: > >>Reboot resilience for =E2=80=9Cswap=E2=80=9D is probably outside the scop= e of this draft. >>Adding a condition to check the success marker might be useful. > > I'm not sure it really even makes sense to describe the reboot > resilience in the manifest. At least for swap, it is a large number > of steps that have to be done carefully, along with a lot of extra > state that is written every step. I would think this intermediate > state is beyond the scape of the manifest. > > For those interested, I've thrown together a bit of an amination > describing how the swap operation works in MCUboot, including at least > part of its state. > > https://www.youtube.com/watch?v=3DTvXjw2l0Cd0 > > I'm not actually sure it is even going to make very much sense for > MCUboot to follow steps in the manifest, rather than just verifying > that they are present. The steps make sense for the download > application. > > Some of the modes I envision ultimately supporting in MCUboot: > > - swap: The current mode. This is initiated by a "trailer" being > written to the secondary image, and the bootloader verifying that > the manifest is correct. It might make sense for it to follow the > "swap" instruction, but it would only look at this secondary > manifest after being instructed to, out of band. > > - overwrite: The other current possible mode. Also initialized by > the "trailer" being written at the end of the second image, and > the bootloader verifying that the manifest is correct. The second > image is copied to the primary image slot. This is easier to make > resilient, since the entire operation can be restarted. > > - Boot best: not implemented. The upgrade would download an image > in the slot that is not being used. There would be two images > built, one linked to each slot. > > Right now, upon boot, MCUboot checks the manifest of the primary slot, > and will boot that image if it is valid. Before this, it will check > the trailer of the second slot to see if an upgrade is requested, and > if so, check that manifest, and possibly swap/overwrite depending on > how it is built. > > One difficulty I see following steps in the manifest is that the code > currently maintains state out-of-band from the manifest. The current > state is: > > - copy done: indicates that a copy/swap has finished and the primary > image can be checked (avoids having to check the secondary > partition manifest on every boot). > > - image ok: after a new image boots, and decides it is functional, > it writes this marker. Without this marker being written, a > subsequent reboot will cause the swap operation to be repeated to > revert the image. > > - swap state: a series of markers to track the state of a swap, so > that it can be resumed if necessary. > > Any thoughts on what is appropriate to even represent in the manifest? > The two instructions that the bootloader would follow would be "swap" > or "apply" (depending on configuration), and "run". Right now, we > distinguish swap vs copy by whether the new image contains the "image > ok" marker, but having two instructions could distinguish this as > well. > > There is some concern within the MCUboot community about semantic > differences between how the existing manifest is processed and how > SUIT will be processed. > > Thanks, > David > > _______________________________________________ > Suit mailing list > Suit@ietf.org > https://www.ietf.org/mailman/listinfo/suit From nobody Mon Mar 25 21:04:56 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 46DA012023C for ; Mon, 25 Mar 2019 21:04:54 -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, 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b=FEKXMWN2CkVm1Ta8Igb8VnvCagHsCutMNINUgENqOcRwQJ9K1pdXrbHXnH8v6trQ43nlyZKonjGdPOGoRk1LbEdeOeq/OkGQLkbj6u0XDVhR8R3xSMc4jAG22Vnta+5cjazT+5H0mFycFz0Icz3xxb7jfuD9cArYrfmWVftu+Ds= Received: from BYAPR21MB1317.namprd21.prod.outlook.com (20.179.60.199) by BYAPR21MB1336.namprd21.prod.outlook.com (20.179.60.210) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1750.11; Tue, 26 Mar 2019 04:04:48 +0000 Received: from BYAPR21MB1317.namprd21.prod.outlook.com ([fe80::a89a:5b8a:e27c:ec15]) by BYAPR21MB1317.namprd21.prod.outlook.com ([fe80::a89a:5b8a:e27c:ec15%8]) with mapi id 15.20.1750.006; Tue, 26 Mar 2019 04:04:48 +0000 From: Martin Pagel To: Brendan Moran CC: "suit@ietf.org" Thread-Topic: draft-moran-suit-manifest-04 - prescriptive Thread-Index: AdTbfYV7dO45RdMkQRKtZzBYR1IzsAEhD4AAAOFr4uA= Date: Tue, 26 Mar 2019 04:04:48 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: 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from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JlqaJV00hdI4 for ; Tue, 26 Mar 2019 13:26:16 -0700 (PDT) Received: from veto.sei.cmu.edu (veto.sei.cmu.edu [147.72.252.17]) (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 F02C7120AFE for ; Tue, 26 Mar 2019 13:26:15 -0700 (PDT) Received: from delp.sei.cmu.edu (delp.sei.cmu.edu [10.64.21.31]) by veto.sei.cmu.edu (8.14.7/8.14.7) with ESMTP id x2QKQEHI035648 for ; Tue, 26 Mar 2019 16:26:14 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 veto.sei.cmu.edu x2QKQEHI035648 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cert.org; s=yc2bmwvrj62m; t=1553631974; bh=PgkzvuKTdptx5+oEvJcRFJtrbhjrvwFqi7fdvDweKns=; h=From:To:Subject:Date:From; b=eH3/5xJby4KGI7r7h0uzSa8Z7+ShXH1I7nqhDE+7/KNYSfHIIW6IYNJVN41YFPsOU DffHsep3KUQXUgMkqb18Rfh1m5XtebBUDfSyYO8DI1fBWrlziPKYLRiRAjoBgMUkh8 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Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Mar 2019 20:26:18 -0000 Hi! Sections 3.3 and 3.4 of draft-ietf-suit-information-model makes reference t= o different types of UUID formats and generation schemes without citation o= r explanation. [RFC4122] is included in the references section. Assuming = RFC4112 UUIDs are the formats in question, RFC4112 should be cited in these= sections. =20 There is also asymmetry in terminology, RFC4112 describes "versions" UUIDs,= but this draft uses the term "types". Is it accepted practice that these = terms are interchangeable?=20 Finally, it seems like RFC4112 should be a normative reference because it i= s needed to explain how to make the UUIDs in Sections 3.3 and 3.4. Roman =20 From nobody Wed Mar 27 02:02:38 2019 Return-Path: X-Original-To: suit@ietf.org Delivered-To: suit@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 67B03120277; Wed, 27 Mar 2019 02:02:24 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: suit@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.94.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: suit@ietf.org Message-ID: <155367734433.10345.6290920980817997505@ietfa.amsl.com> Date: Wed, 27 Mar 2019 02:02:24 -0700 Archived-At: Subject: [Suit] I-D Action: draft-ietf-suit-architecture-04.txt X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 09:02:36 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Software Updates for Internet of Things WG of the IETF. Title : A Firmware Update Architecture for Internet of Things Devices Authors : Brendan Moran Milosch Meriac Hannes Tschofenig David Brown Filename : draft-ietf-suit-architecture-04.txt Pages : 25 Date : 2019-03-27 Abstract: Vulnerabilities with Internet of Things (IoT) devices have raised the need for a solid and secure firmware update mechanism that is also suitable for constrained devices. Incorporating such update mechanism to fix vulnerabilities, to update configuration settings as well as adding new functionality is recommended by security experts. This document lists requirements and describes an architecture for a firmware update mechanism suitable for IoT devices. The architecture is agnostic to the transport of the firmware images and associated meta-data. This version of the document assumes asymmetric cryptography and a public key infrastructure. Future versions may also describe a symmetric key approach for very constrained devices. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-suit-architecture/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-suit-architecture-04 https://datatracker.ietf.org/doc/html/draft-ietf-suit-architecture-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-suit-architecture-04 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. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Mar 27 02:03:42 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0CE351204D8 for ; Wed, 27 Mar 2019 02:03:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, 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 RvvxAhk6DyxD for ; Wed, 27 Mar 2019 02:03:31 -0700 (PDT) Received: from mail.smeinc.net (mail.smeinc.net [209.135.209.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B62B6120498 for ; Wed, 27 Mar 2019 02:03:27 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mail.smeinc.net (Postfix) with ESMTP id 462D2300AA4 for ; Wed, 27 Mar 2019 04:45:09 -0400 (EDT) X-Virus-Scanned: amavisd-new at mail.smeinc.net Received: from mail.smeinc.net ([127.0.0.1]) by localhost (mail.smeinc.net [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 4mN6W7uN9nOx for ; Wed, 27 Mar 2019 04:45:08 -0400 (EDT) Received: from dhcp-8a9b.meeting.ietf.org (dhcp-8a9b.meeting.ietf.org [31.133.138.155]) by mail.smeinc.net (Postfix) with ESMTPSA id D8250300465 for ; Wed, 27 Mar 2019 04:45:07 -0400 (EDT) From: Russ Housley Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Message-Id: <5D5FB80B-10A5-4DDE-B030-C9F667E8229C@vigilsec.com> Date: Wed, 27 Mar 2019 05:03:23 -0400 To: suit X-Mailer: Apple Mail (2.3445.102.3) Archived-At: Subject: [Suit] WG Last Call for draft-ietf-suit-architecture-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 09:03:42 -0000 This is the SUIT WG Last Call for "A Firmware Update Architecture for = Internet of Things Devices=E2=80=9D . = Please review the document and send your comments to the list by 13 = April 2019. The datatracker page for the document is = https://datatracker.ietf.org/doc/draft-ietf-suit-architecture/ Thanks, Russ & Dave & Dave From nobody Wed Mar 27 06:04:48 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ED8A41202AD for ; Wed, 27 Mar 2019 06:04:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, 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 E6pIVMbIfPDl for ; Wed, 27 Mar 2019 06:04:45 -0700 (PDT) Received: from relay.sandelman.ca (relay.cooperix.net [IPv6:2a01:7e00::f03c:91ff:feae:de77]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E1DD0120285 for ; Wed, 27 Mar 2019 06:04:44 -0700 (PDT) Received: from dooku.sandelman.ca (unknown [IPv6:2001:67c:1232:144:6e88:14ff:fe34:93bc]) by relay.sandelman.ca (Postfix) with ESMTPS id C99DE1F45B for ; Wed, 27 Mar 2019 13:04:42 +0000 (UTC) Received: by dooku.sandelman.ca (Postfix, from userid 179) id 662D92825; Wed, 27 Mar 2019 14:04:44 +0100 (CET) From: Michael Richardson To: suit@ietf.org In-reply-to: <155367734433.10345.6290920980817997505@ietfa.amsl.com> References: <155367734433.10345.6290920980817997505@ietfa.amsl.com> Comments: In-reply-to internet-drafts@ietf.org message dated "Wed, 27 Mar 2019 02:02:24 -0700." X-Mailer: MH-E 8.6; nmh 1.6; GNU Emacs 24.5.1 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <29292.1553691884.1@dooku.sandelman.ca> Date: Wed, 27 Mar 2019 14:04:44 +0100 Message-ID: <29293.1553691884@dooku.sandelman.ca> Archived-At: Subject: Re: [Suit] I-D Action: draft-ietf-suit-architecture-04.txt X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 13:04:47 -0000 internet-drafts@ietf.org wrote: > Title : A Firmware Update Architecture for Internet of Things I wonder if the title should be changed to be more "SUIT"... So Firmware -> Software ? -- ] Never tell me the odds! | ipv6 mesh networks [ ] Michael Richardson, Sandelman Software Works | network architect [ ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails [ From nobody Wed Mar 27 06:42:39 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CD7E7120275 for ; Wed, 27 Mar 2019 06:42:37 -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, 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 PRZxF9wriwyt for ; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: e463d2ac-99d6-46cf-8b71-08d6b2ba1115 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Mar 2019 13:42:33.8188 (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: CY4PR21MB0838 Archived-At: Subject: Re: [Suit] I-D Action: draft-ietf-suit-architecture-04.txt X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 13:42:38 -0000 As I recall, this came up at the time the WG was first chartered... at that= time, the WG agreed that Firmware was more accurate, but didn't want to change the WG name. Dave -----Original Message----- From: Suit On Behalf Of Michael Richardson Sent: Wednesday, March 27, 2019 2:05 PM To: suit@ietf.org Subject: Re: [Suit] I-D Action: draft-ietf-suit-architecture-04.txt internet-drafts@ietf.org wrote: > Title : A Firmware Update Architecture for Internet of Things I wonder if the title should be changed to be more "SUIT"... So Firmware -> Software ? -- ] Never tell me the odds! | ipv6 mesh network= s [ ] Michael Richardson, Sandelman Software Works | network architect= [ ] mcr@sandelman.ca https://nam06.safelinks.protection.outlook.com/?url= =3Dhttp%3A%2F%2Fwww.sandelman.ca%2F&data=3D02%7C01%7Cdthaler%40microsof= t.com%7C5aeb9685d28d469f9e1908d6b2b4ce1a%7C72f988bf86f141af91ab2d7cd011db47= %7C1%7C0%7C636892886963612313&sdata=3Db7lQnzlN2cV2%2F68jSp6eL91YcP1ZISC= cs53ZGRypD1k%3D&reserved=3D0 | ruby on rails [ _______________________________________________ Suit mailing list Suit@ietf.org https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.iet= f.org%2Fmailman%2Flistinfo%2Fsuit&data=3D02%7C01%7Cdthaler%40microsoft.= com%7C5aeb9685d28d469f9e1908d6b2b4ce1a%7C72f988bf86f141af91ab2d7cd011db47%7= C1%7C0%7C636892886963612313&sdata=3Dn6vyzkYbjCGAGVSZmyx9rgsMjh2CkPC6Z04= y8wy6%2FCw%3D&reserved=3D0 From nobody Wed Mar 27 06:55:29 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: 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Wed, 27 Mar 2019 13:55:21 +0000 From: Brendan Moran To: Dave Thaler CC: Michael Richardson , "suit@ietf.org" Thread-Topic: [Suit] I-D Action: draft-ietf-suit-architecture-04.txt Thread-Index: AQHU5HvcE09vHQ4BaEa3F1SZhgwrcaYfclMAgAAKkYCAAAOSAA== Date: Wed, 27 Mar 2019 13:55:21 +0000 Message-ID: <3CE961A1-47CD-4468-9029-61E50F1364B7@arm.com> References: <155367734433.10345.6290920980817997505@ietfa.amsl.com> <29293.1553691884@dooku.sandelman.ca> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3445.102.3) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Brendan.Moran@arm.com; x-originating-ip: [2001:67c:370:128:acfa:f5d6:dae8:7c61] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 24831a1e-cc64-4138-6488-08d6b2bbda6f x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; 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DB6PR0801MB1735 Archived-At: Subject: Re: [Suit] I-D Action: draft-ietf-suit-architecture-04.txt X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 13:55:28 -0000 Q291bGQgd2UgYWRkIHNvbWV0aGluZyBsaWtlIHRoaXMgdG8gdGhlIGRyYWZ0Pw0KDQo+IFRoZSBh cmNoaXRlY3R1cmUgaW4gdGhpcyBkb2N1bWVudCBpcyBpbmZvcm1lZCBieSB0aGUgcmVxdWlyZW1l bnRzIG9mIENsYXNzIDEgYW5kIENsYXNzIDIgZGV2aWNlcyAoUkZDNzIyOCksIGFuZCBiZWNhdXNl IG9mIHRoYXQsIHRoZSB0ZXJtIEZpcm13YXJlIGlzIHVzZWQgcmF0aGVyIHRoYW4gU29mdHdhcmUu IFRoZXJlIGFyZSBubyByZXN0cmljdGlvbnMgcHJlc2VudCB0aGF0IHByZXZlbnQgZGlzdHJpYnV0 aW9uIG9mIGxhcmdlciBjb2RlIHBhY2thZ2VzICjigJxzb2Z0d2FyZeKAnSkgb3Igb3RoZXIgbWFj aGluZSBjb25zdW1hYmxlIHJlc291cmNlcyB2aWEgdGhpcyBhcmNoaXRlY3R1cmUuDQoNCkJlc3Qg UmVnYXJkcywNCkJyZW5kYW4NCg0KDQo+IE9uIDI3IE1hciAyMDE5LCBhdCAxNDo0MiwgRGF2ZSBU 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OTg4YmY4NmYxNDFhZjkxDQo+IGFiMmQ3Y2QwMTFkYjQ3JTdDMSU3QzAlN0M2MzY4ODc4MTkzMjQ1 MzUwOTgmYW1wO3NkYXRhPWdZVE5WJTJGNWNzdllkUGYNCj4gT1ljYWNvNEc1QVVMMlN5WlZhU1Jh dGFYeFE5NjAlM0QmYW1wO3Jlc2VydmVkPTANCg0KSU1QT1JUQU5UIE5PVElDRTogVGhlIGNvbnRl bnRzIG9mIHRoaXMgZW1haWwgYW5kIGFueSBhdHRhY2htZW50cyBhcmUgY29uZmlkZW50aWFsIGFu ZCBtYXkgYWxzbyBiZSBwcml2aWxlZ2VkLiBJZiB5b3UgYXJlIG5vdCB0aGUgaW50ZW5kZWQgcmVj aXBpZW50LCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRpYXRlbHkgYW5kIGRvIG5vdCBk aXNjbG9zZSB0aGUgY29udGVudHMgdG8gYW55IG90aGVyIHBlcnNvbiwgdXNlIGl0IGZvciBhbnkg cHVycG9zZSwgb3Igc3RvcmUgb3IgY29weSB0aGUgaW5mb3JtYXRpb24gaW4gYW55IG1lZGl1bS4g VGhhbmsgeW91Lg0K From nobody Sat Mar 30 03:36:30 2019 Return-Path: X-Original-To: suit@ietfa.amsl.com Delivered-To: suit@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C2B8A1200FB for ; Sat, 30 Mar 2019 03:36:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.302 X-Spam-Level: X-Spam-Status: No, score=-2.302 tagged_above=-999 required=5 tests=[BAYES_20=-0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-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 ef4pnp54SMF7 for ; Sat, 30 Mar 2019 03:36:28 -0700 (PDT) Received: from tuna.sandelman.ca (tuna.sandelman.ca [209.87.249.19]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 04D27120026 for ; Sat, 30 Mar 2019 03:36:28 -0700 (PDT) Received: from sandelman.ca (unknown [IPv6:2607:f0b0:f:2:56b2:3ff:fe0b:d84]) by tuna.sandelman.ca (Postfix) with ESMTP id 098A6380BE for ; Sat, 30 Mar 2019 06:35:44 -0400 (EDT) Received: from [IPv6:::1] (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id 03AA9440 for ; Sat, 30 Mar 2019 06:36:25 -0400 (EDT) To: suit@ietf.org References: <5D5FB80B-10A5-4DDE-B030-C9F667E8229C@vigilsec.com> From: Michael Richardson Message-ID: Date: Sat, 30 Mar 2019 06:36:25 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <5D5FB80B-10A5-4DDE-B030-C9F667E8229C@vigilsec.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [Suit] WG Last Call for draft-ietf-suit-architecture-04 X-BeenThere: suit@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Software Updates for Internet of Things List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Mar 2019 10:36:30 -0000 I have read suit-architecture-04 from scratch on the airplane home. I found it well written and it had a nice number of diagrams. I don't think I've read it from beginning to end since it was adopted. Good job, it's ready. (I found some weirdness that parts of some diagrams were missing lines, but I've since confirm it's a problem with my offline reader, getpocket)