YANG Module for Basic Challenge-Response-based Remote Attestation Procedures
draft-birkholz-yang-basic-remote-attestation-01

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Last updated 2018-10-23
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TBD                                                          H. Birkholz
Internet-Draft                                            Fraunhofer SIT
Intended status: Standards Track                                M. Eckel
Expires: April 27, 2019                                           Huawei
                                                             S. Bhandari
                                                               B. Sulzen
                                                                 E. Voit
                                                                   Cisco
                                                             G. Fedorkow
                                                                 Juniper
                                                        October 24, 2018

   YANG Module for Basic Challenge-Response-based Remote Attestation
                               Procedures
            draft-birkholz-yang-basic-remote-attestation-01

Abstract

   This document defines a YANG RPC and a minimal datastore tree
   required to retrieve attestation evidence about integrity
   measurements from a composite device with one or more roots of trust
   for reporting.  Complementary measurement logs are also provided by
   the YANG RPC originating from one or more roots of trust of
   measurement.  The module defined requires a TPM 2.0 and corresponding
   Trusted Software Stack included in the device components of the
   composite device the YANG server is running on.

Status of This Memo

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

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on April 27, 2019.

Birkholz, et al.         Expires April 27, 2019                 [Page 1]
Internet-Draft                    BRAT                      October 2018

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   Copyright (c) 2018 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
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements notation . . . . . . . . . . . . . . . . . .   3
   2.  The YANG Module for Basic Remote Attestation Procedures . . .   3
     2.1.  Tree format . . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Raw Format  . . . . . . . . . . . . . . . . . . . . . . .   6
   3.  IANA considerations . . . . . . . . . . . . . . . . . . . . .  20
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .  20
   5.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  20
   6.  Change Log  . . . . . . . . . . . . . . . . . . . . . . . . .  20
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  21
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  21
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  21

1.  Introduction

   This document is based on the terminology defined in the
   [I-D.birkholz-attestation-terminology] and uses the interaction model
   and information elements defined in the
   [I-D.birkholz-reference-ra-interaction-model] document.  The
   currently supported hardware security module (HWM) - sometimes also
   referred to as an embedded secure element(eSE) - is the Trusted
   Platform Module (TPM) 2.0 specified by the Trusted Computing Group
   (TCG).  One ore more TPM 2.0 embedded in the components of a
   composite device - sometimes also referred to as an aggregate device
   - are required in order to use the YANG module defined in this
   document.  A TPM 2.0 is used as a root of trust for reporting (RTR)
   in order to retrieve attestation evidence from a composite device.
   Additionally, it is used as a root of trust for measurement (RTM) in
   order to provide event logs - sometimes also referred to as
   measurement logs.
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