Trusted Execution Environment Provisioning (TEEP) Architecture
draft-ietf-teep-architecture-02

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Last updated 2019-03-11
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TEEP                                                              M. Pei
Internet-Draft                                                  Symantec
Intended status: Informational                             H. Tschofenig
Expires: September 12, 2019                                  Arm Limited
                                                              D. Wheeler
                                                                   Intel
                                                                A. Atyeo
                                                               Intercede
                                                               L. Dapeng
                                                           Alibaba Group
                                                          March 11, 2019

     Trusted Execution Environment Provisioning (TEEP) Architecture
                    draft-ietf-teep-architecture-02

Abstract

   A Trusted Execution Environment (TEE) is designed to provide a
   hardware-isolation mechanism to separate a regular operating system
   from security-sensitive application components.

   This architecture document motivates the design and standardization
   of a protocol for managing the lifecycle of trusted applications
   running inside a TEE.

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
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

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   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on September 12, 2019.

Copyright Notice

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

Pei, et al.            Expires September 12, 2019               [Page 1]
Internet-Draft              TEEP Architecture                 March 2019

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Assumptions . . . . . . . . . . . . . . . . . . . . . . . . .   8
   4.  Use Cases . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     4.1.  Payment . . . . . . . . . . . . . . . . . . . . . . . . .   8
     4.2.  Authentication  . . . . . . . . . . . . . . . . . . . . .   9
     4.3.  Internet of Things  . . . . . . . . . . . . . . . . . . .   9
     4.4.  Confidential Cloud Computing  . . . . . . . . . . . . . .   9
   5.  Architecture  . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.1.  System Components . . . . . . . . . . . . . . . . . . . .   9
     5.2.  Different Renditions of TEEP Architecture . . . . . . . .  12
     5.3.  Multiple TAMs and Relationship to TAs . . . . . . . . . .  13
     5.4.  Client Apps, Trusted Apps, and Personalization Data . . .  15
     5.5.  Examples of Application Delivery Mechanisms in Existing
           TEEs  . . . . . . . . . . . . . . . . . . . . . . . . . .  16
     5.6.  TEEP Architectural Support for Client App, TA, and
           Personalization Data Delivery . . . . . . . . . . . . . .  17
     5.7.  Entity Relations  . . . . . . . . . . . . . . . . . . . .  17
     5.8.  Trust Anchors in TEE  . . . . . . . . . . . . . . . . . .  20
     5.9.  Trust Anchors in TAM  . . . . . . . . . . . . . . . . . .  20
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