OAuth Dynamic Client Registration Protocol
draft-ietf-oauth-dyn-reg-07

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Last updated 2013-02-21
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OAuth Working Group                                       J. Richer, Ed.
Internet-Draft                                     The MITRE Corporation
Intended status: Standards Track                              J. Bradley
Expires: August 25, 2013                                   Ping Identity
                                                                M. Jones
                                                               Microsoft
                                                             M. Machulak
                                                    Newcastle University
                                                       February 21, 2013

               OAuth Dynamic Client Registration Protocol
                      draft-ietf-oauth-dyn-reg-07

Abstract

   This specification defines an endpoint and protocol for dynamic
   registration of OAuth Clients at an Authorization Server.

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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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on August 25, 2013.

Copyright Notice

   Copyright (c) 2013 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
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of

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

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Notational Conventions . . . . . . . . . . . . . . . . . .  3
     1.2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Client Metadata  . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Client Registration Endpoint . . . . . . . . . . . . . . . . .  7
     3.1.  Client Registration Request  . . . . . . . . . . . . . . .  8
     3.2.  Client Registration Response . . . . . . . . . . . . . . .  9
   4.  Client Configuration Endpoint  . . . . . . . . . . . . . . . .  9
     4.1.  Forming the Client Configuration Endpoint URL  . . . . . .  9
     4.2.  Client Read Request  . . . . . . . . . . . . . . . . . . . 10
     4.3.  Client Update Request  . . . . . . . . . . . . . . . . . . 10
     4.4.  Client Delete Request  . . . . . . . . . . . . . . . . . . 12
   5.  Responses  . . . . . . . . . . . . . . . . . . . . . . . . . . 13
     5.1.  Client Information Response  . . . . . . . . . . . . . . . 13
     5.2.  Client Registration Error Response . . . . . . . . . . . . 15
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 16
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 16
   8.  Normative References . . . . . . . . . . . . . . . . . . . . . 17
   Appendix A.  Acknowledgments . . . . . . . . . . . . . . . . . . . 18
   Appendix B.  Document History  . . . . . . . . . . . . . . . . . . 18
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 20

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1.  Introduction

   In some use-case scenarios, it is desirable or necessary to allow
   OAuth clients to obtain authorization from an OAuth authorization
   server without requiring the two parties to interact beforehand.
   Nevertheless, in order for the authorization server to accurately and
   securely represent to end-users which client is seeking authorization
   to access the end-user's resources, a method for automatic and unique
   registration of clients is needed.  The OAuth2 authorization
   framework does not define how the relationship between the Client and
   the Authorization Server is initialized, or how a given client is
   assigned a unique Client Identifier.  Historically, this has happened
   out-of-band from the OAuth protocol.  This draft provides a mechanism
   for a client to register itself with the Authorization Server, which
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