A Concise Binary Object Representation (CBOR)-based Serialization Format for the Software Updates for Internet of Things (SUIT) Manifest
draft-ietf-suit-manifest-02

Document Type Active Internet-Draft (suit WG)
Last updated 2019-11-04
Replaces draft-moran-suit-manifest
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SUIT                                                            B. Moran
Internet-Draft                                             H. Tschofenig
Intended status: Standards Track                             Arm Limited
Expires: May 7, 2020                                         H. Birkholz
                                                          Fraunhofer SIT
                                                       November 04, 2019

A Concise Binary Object Representation (CBOR)-based Serialization Format
    for the Software Updates for Internet of Things (SUIT) Manifest
                      draft-ietf-suit-manifest-02

Abstract

   This specification describes the format of a manifest.  A manifest is
   a bundle of metadata about the firmware for an IoT device, where to
   find the firmware, the devices to which it applies, and cryptographic
   information protecting the manifest.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on May 7, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of

Moran, et al.              Expires May 7, 2020                  [Page 1]
Internet-Draft             SUIT CBOR Manifest              November 2019

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
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   than English.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Conventions and Terminology . . . . . . . . . . . . . . . . .   5
   3.  How to use this document  . . . . . . . . . . . . . . . . . .   6
   4.  Background  . . . . . . . . . . . . . . . . . . . . . . . . .   6
     4.1.  Landscape . . . . . . . . . . . . . . . . . . . . . . . .   6
     4.2.  Update Workflow Model . . . . . . . . . . . . . . . . . .   7
     4.3.  SUIT Manifest goals . . . . . . . . . . . . . . . . . . .   8
     4.4.  SUIT manifest design summary  . . . . . . . . . . . . . .   9
   5.  Interpreter Behaviour . . . . . . . . . . . . . . . . . . . .  10
     5.1.  Interpreter Setup . . . . . . . . . . . . . . . . . . . .  10
     5.2.  Required Checks . . . . . . . . . . . . . . . . . . . . .  11
     5.3.  Interpreter fundamental properties  . . . . . . . . . . .  12
     5.4.  Abstract Machine Description  . . . . . . . . . . . . . .  12
       5.4.1.  Parameters  . . . . . . . . . . . . . . . . . . . . .  13
       5.4.2.  Commands  . . . . . . . . . . . . . . . . . . . . . .  13
       5.4.3.  Command Behaviour . . . . . . . . . . . . . . . . . .  15
     5.5.  Serialized Processing Interpreter . . . . . . . . . . . .  16
     5.6.  Parallel Processing Interpreter . . . . . . . . . . . . .  16
     5.7.  Processing Dependencies . . . . . . . . . . . . . . . . .  17
   6.  Creating Manifests  . . . . . . . . . . . . . . . . . . . . .  17
     6.1.  Manifest Source Material  . . . . . . . . . . . . . . . .  18
     6.2.  Required Template: Compatibility Check  . . . . . . . . .  18
     6.3.  Use Case Template: XIP Secure Boot  . . . . . . . . . . .  19
     6.4.  Use Case Template: Firmware Download  . . . . . . . . . .  19
     6.5.  Use Case Template: Load from External Storage . . . . . .  20
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