Request by JWS ver.1.0 for OAuth 2.0
draft-ietf-oauth-jwsreq-04

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OAuth Working Group                                     N. Sakimura, Ed.
Internet-Draft                                 Nomura Research Institute
Intended status: Standards Track                              J. Bradley
Expires: January 7, 2016                                   Ping Identity
                                                           July 06, 2015

                  Request by JWS ver.1.0 for OAuth 2.0
                       draft-ietf-oauth-jwsreq-04

Abstract

   The authorization request in OAuth 2.0 utilizes query parameter
   serialization.  This specification defines the authorization request
   using JWT serialization.  The request is sent through "request"
   parameter or by reference through "request_uri" parameter that points
   to the JWT, allowing the request to be optionally signed and
   encrypted.

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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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 7, 2016.

Copyright Notice

   Copyright (c) 2015 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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   (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  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Request Object  . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Request Object URI  . . . . . . . . . . . . . . . . . . .   3
   3.  Request Object  . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Request Object URI  . . . . . . . . . . . . . . . . . . . . .   5
   5.  Authorization Request . . . . . . . . . . . . . . . . . . . .   6
   6.  Authorization Server Response . . . . . . . . . . . . . . . .   7
   7.  IANA  Considerations  . . . . . . . . . . . . . . . . . . . .   7
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .   7
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   7
   10. Revision History  . . . . . . . . . . . . . . . . . . . . . .   8
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     11.1.  Normative References . . . . . . . . . . . . . . . . . .   8
     11.2.  Informative References . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   The parameters "request" and "request_uri" are introduced as
   additional authorization request parameters for the OAuth 2.0
   [RFC6749] flows.  The "request" parameter is a JSON Web Token (JWT)
   [RFC7519] whose JWT Claims Set holds the JSON encoded OAuth 2.0
   authorization request parameters.  The [RFC7519] can be passed to the
   authorization endpoint by reference, in which case the parameter
   "request_uri" is used instead of the "request".

   Using [RFC7519] as the request encoding instead of query parameters
   has several advantages:

   1.  The request may be signed so that integrity check may be
       implemented.  If a suitable algorithm is used for the signing,
       then non-repudiation property may be obtained in addition.

   2.  The request may be encrypted so that end-to-end confidentiality
       may be obtained even if in the case TLS connection is terminated
       at a gateway or a similar device.

   There are a few cases that request by reference are useful such as:

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   1.  When it is detected that the User Agent does not support long
       URLs: Some extensions may extend the URL.  For example, the
       client might want to send a public key with the request.