Request by JWS ver.1.0 for OAuth 2.0
draft-ietf-oauth-jwsreq-00

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Document Type Active Internet-Draft (oauth WG)
Last updated 2014-08-26
Replaces draft-sakimura-oauth-requrl
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OAuth Working Group                                     N. Sakimura, Ed.
Internet-Draft                                 Nomura Research Institute
Intended status: Standards Track                              J. Bradley
Expires: February 26, 2015                                   Independent
                                                         August 25, 2014

                  Request by JWS ver.1.0 for OAuth 2.0
                       draft-ietf-oauth-jwsreq-00

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 thorugh "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

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   This Internet-Draft will expire on February 26, 2015.

Copyright Notice

   Copyright (c) 2014 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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   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  . . . . . . . . . . . . . . . . . . . . . .   8
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   8
     10.2.  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)
   [JWT] whose body holds the JSON encoded OAuth 2.0 authorization
   request parameters.  The [JWT] can be passed to the authorization
   endpoint by reference, in which case the parameter "request_uri" is
   used instead of the "request".

   Using [JWT] 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 is useful such as:

   1.  When it is detected that the User Agent does not suport long
       URLs: It is entirely possible that some extensions may extend the

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       URL.  For example, the client might want to send a public key
       with the request.
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