Time-Based Uni-Directional Attestation
draft-birkholz-i2nsf-tuda-03

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Last updated 2018-05-02
Replaces draft-birkholz-tuda
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Network Working Group                                           A. Fuchs
Internet-Draft                                               H. Birkholz
Intended status: Informational                            Fraunhofer SIT
Expires: November 4, 2018                                    I. McDonald
                                                          High North Inc
                                                              C. Bormann
                                                 Universitaet Bremen TZI
                                                            May 03, 2018

                 Time-Based Uni-Directional Attestation
                      draft-birkholz-i2nsf-tuda-03

Abstract

   This memo documents the method and bindings used to conduct time-
   based uni-directional attestation between distinguishable endpoints
   over the network.

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on November 4, 2018.

Copyright Notice

   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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   include Simplified BSD License text as described in Section 4.e of

Fuchs, et al.           Expires November 4, 2018                [Page 1]
Internet-Draft                    tuda                          May 2018

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

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Remote Attestation  . . . . . . . . . . . . . . . . . . .   4
     1.2.  Evidence Creation . . . . . . . . . . . . . . . . . . . .   5
     1.3.  Evidence Appraisal  . . . . . . . . . . . . . . . . . . .   5
     1.4.  Activities and Actions  . . . . . . . . . . . . . . . . .   5
     1.5.  Attestation and Verification  . . . . . . . . . . . . . .   6
     1.6.  Information Elements and Conveyance . . . . . . . . . . .   6
     1.7.  TUDA Objectives . . . . . . . . . . . . . . . . . . . . .   7
     1.8.  Hardware Dependencies . . . . . . . . . . . . . . . . . .   7
     1.9.  Requirements Notation . . . . . . . . . . . . . . . . . .   7
   2.  TUDA Core Concept . . . . . . . . . . . . . . . . . . . . . .   8
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   9
     3.1.  Universal Terms . . . . . . . . . . . . . . . . . . . . .   9
     3.2.  Roles . . . . . . . . . . . . . . . . . . . . . . . . . .  10
       3.2.1.  General Types . . . . . . . . . . . . . . . . . . . .  11
       3.2.2.  RoT specific terms  . . . . . . . . . . . . . . . . .  11
     3.3.  Certificates  . . . . . . . . . . . . . . . . . . . . . .  11
   4.  Time-Based Uni-Directional Attestation  . . . . . . . . . . .  11
     4.1.  TUDA Information Elements Update Cycles . . . . . . . . .  13
   5.  Sync Base Protocol  . . . . . . . . . . . . . . . . . . . . .  15
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  16
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   8.  Change Log  . . . . . . . . . . . . . . . . . . . . . . . . .  16
   9.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  17
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  17
     10.2.  Informative References . . . . . . . . . . . . . . . . .  17
   Appendix A.  REST Realization . . . . . . . . . . . . . . . . . .  21
   Appendix B.  SNMP Realization . . . . . . . . . . . . . . . . . .  21
     B.1.  Structure of TUDA MIB . . . . . . . . . . . . . . . . . .  22
       B.1.1.  Cycle Index . . . . . . . . . . . . . . . . . . . . .  22
       B.1.2.  Instance Index  . . . . . . . . . . . . . . . . . . .  22
       B.1.3.  Fragment Index  . . . . . . . . . . . . . . . . . . .  22
     B.2.  Relationship to Host Resources MIB  . . . . . . . . . . .  23
     B.3.  Relationship to Entity MIB  . . . . . . . . . . . . . . .  23
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