OAuth 2.0 Rich Authorization Requests
draft-ietf-oauth-rar-04

Document Type Active Internet-Draft (oauth WG)
Authors Torsten Lodderstedt  , Justin Richer  , Brian Campbell 
Last updated 2021-02-07
Stream Internent Engineering Task Force (IETF)
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Web Authorization Protocol                                T. Lodderstedt
Internet-Draft                                                   yes.com
Intended status: Standards Track                               J. Richer
Expires: 11 August 2021                              Bespoke Engineering
                                                             B. Campbell
                                                           Ping Identity
                                                         7 February 2021

                 OAuth 2.0 Rich Authorization Requests
                        draft-ietf-oauth-rar-04

Abstract

   This document specifies a new parameter "authorization_details" that
   is used to carry fine grained authorization data in the OAuth
   authorization request.

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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   This Internet-Draft will expire on 11 August 2021.

Copyright Notice

   Copyright (c) 2021 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 (https://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
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   provided without warranty as described in the Simplified BSD License.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Conventions and Terminology . . . . . . . . . . . . . . .   4
   2.  Request parameter "authorization_details" . . . . . . . . . .   4
     2.1.  Authorization data elements types . . . . . . . . . . . .   6
     2.2.  Authorization Data Types  . . . . . . . . . . . . . . . .  10
   3.  Authorization Request . . . . . . . . . . . . . . . . . . . .  11
     3.1.  Relationship to "scope" parameter . . . . . . . . . . . .  12
     3.2.  Relationship to "resource" parameter  . . . . . . . . . .  13
   4.  Authorization Response  . . . . . . . . . . . . . . . . . . .  13
   5.  Authorization Error Response  . . . . . . . . . . . . . . . .  13
   6.  Token Request . . . . . . . . . . . . . . . . . . . . . . . .  13
   7.  Token Response  . . . . . . . . . . . . . . . . . . . . . . .  14
     7.1.  Enriched authorization details in Token Response  . . . .  15
   8.  Resource Servers  . . . . . . . . . . . . . . . . . . . . . .  18
     8.1.  JWT-based Access Tokens . . . . . . . . . . . . . . . . .  19
     8.2.  Token Introspection . . . . . . . . . . . . . . . . . . .  20
   9.  Metadata  . . . . . . . . . . . . . . . . . . . . . . . . . .  21
   10. Scope value "openid" and "claims" parameter . . . . . . . . .  22
   11. Implementation Considerations . . . . . . . . . . . . . . . .  22
     11.1.  Using authorization details in a certain deployment  . .  22
     11.2.  Minimal product support  . . . . . . . . . . . . . . . .  22
     11.3.  Large requests . . . . . . . . . . . . . . . . . . . . .  23
   12. Security Considerations . . . . . . . . . . . . . . . . . . .  24
   13. Privacy Considerations  . . . . . . . . . . . . . . . . . . .  24
   14. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  25
   15. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  25
   16. Normative References  . . . . . . . . . . . . . . . . . . . .  26
   17. Informative References  . . . . . . . . . . . . . . . . . . .  26
   Appendix A.  Additional Examples  . . . . . . . . . . . . . . . .  28
     A.1.  OpenID Connect  . . . . . . . . . . . . . . . . . . . . .  28
     A.2.  Remote Electronic Signing . . . . . . . . . . . . . . . .  29
     A.3.  Access to Tax Data  . . . . . . . . . . . . . . . . . . .  30
     A.4.  eHealth . . . . . . . . . . . . . . . . . . . . . . . . .  31
   Appendix B.  Document History . . . . . . . . . . . . . . . . . .  34
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  35

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