A Concise Binary Object Representation (CBOR)-based Serialization Format for the Software Updates for Internet of Things (SUIT) Manifest
draft-ietf-suit-manifest-03
SUIT B. Moran
Internet-Draft H. Tschofenig
Intended status: Standards Track Arm Limited
Expires: August 10, 2020 H. Birkholz
Fraunhofer SIT
February 07, 2020
A Concise Binary Object Representation (CBOR)-based Serialization Format
for the Software Updates for Internet of Things (SUIT) Manifest
draft-ietf-suit-manifest-03
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
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provisions of BCP 78 and BCP 79.
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and may be updated, replaced, or obsoleted by other documents at any
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material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 10, 2020.
Copyright Notice
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include Simplified BSD License text as described in Section 4.e of
Moran, et al. Expires August 10, 2020 [Page 1]
Internet-Draft SUIT CBOR Manifest February 2020
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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 Behavior . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . 14
5.4.3. Command Behavior . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . 20
6.5. Use Case Template: Load from External Storage . . . . . . 20
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