OAuth 2.0 Protected Resource Metadata
draft-jones-oauth-resource-metadata-01

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OAuth Working Group                                             M. Jones
Internet-Draft                                                 Microsoft
Intended status: Standards Track                                 P. Hunt
Expires: July 23, 2017                                            Oracle
                                                        January 19, 2017

                 OAuth 2.0 Protected Resource Metadata
                 draft-jones-oauth-resource-metadata-01

Abstract

   This specification defines a metadata format that an OAuth 2.0 client
   can use to obtain the information needed to interact with an OAuth
   2.0 protected resource.

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   Copyright (c) 2017 IETF Trust and the persons identified as the
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Jones & Hunt              Expires July 23, 2017                 [Page 1]
Internet-Draft    OAuth 2.0 Protected Resource Metadata     January 2017

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Notation and Conventions . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Protected Resource Metadata . . . . . . . . . . . . . . . . .   4
     2.1.  Signed Protected Resource Metadata  . . . . . . . . . . .   5
   3.  Obtaining Protected Resource Metadata . . . . . . . . . . . .   6
     3.1.  Protected Resource Metadata Request . . . . . . . . . . .   6
     3.2.  Protected Resource Metadata Response  . . . . . . . . . .   7
     3.3.  Protected Resource Metadata Validation  . . . . . . . . .   8
   4.  Authorization Server Metadata . . . . . . . . . . . . . . . .   8
   5.  String Operations . . . . . . . . . . . . . . . . . . . . . .   8
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
     6.1.  TLS Requirements  . . . . . . . . . . . . . . . . . . . .   9
     6.2.  Impersonation Attacks . . . . . . . . . . . . . . . . . .   9
     6.3.  Publishing Metadata in a Standard Format  . . . . . . . .  10
     6.4.  Authorization Servers . . . . . . . . . . . . . . . . . .  10
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
     7.1.  OAuth Protected Resource Metadata Registry  . . . . . . .  11
       7.1.1.  Registration Template . . . . . . . . . . . . . . . .  12
       7.1.2.  Initial Registry Contents . . . . . . . . . . . . . .  12
     7.2.  OAuth Authorization Server Metadata Registry  . . . . . .  14
       7.2.1.  Registry Contents . . . . . . . . . . . . . . . . . .  14
     7.3.  Well-Known URI Registry . . . . . . . . . . . . . . . . .  14
       7.3.1.  Registry Contents . . . . . . . . . . . . . . . . . .  14
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  16
   Appendix A.  Acknowledgements . . . . . . . . . . . . . . . . . .  17
   Appendix B.  Document History . . . . . . . . . . . . . . . . . .  17
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   This specification defines a metadata format enabling OAuth 2.0
   clients to obtain information needed to interact with an OAuth 2.0
   protected resource.  This specification is intentionally as parallel
   as possible to "OAuth 2.0 Dynamic Client Registration Protocol"
   [RFC7591], which enables a client to provide metadata about itself to
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