Federated Authentication for the Registration Data Access Protocol (RDAP) using OpenID Connect
draft-hollenbeck-regext-rdap-openid-03

Document Type Active Internet-Draft (individual)
Last updated 2017-05-24
Replaces draft-hollenbeck-weirds-rdap-openid
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Internet Engineering Task Force                            S. Hollenbeck
Internet-Draft                                             Verisign Labs
Intended status: Standards Track                            May 24, 2017
Expires: November 25, 2017

   Federated Authentication for the Registration Data Access Protocol
                      (RDAP) using OpenID Connect
                 draft-hollenbeck-regext-rdap-openid-03

Abstract

   The Registration Data Access Protocol (RDAP) provides "RESTful" web
   services to retrieve registration metadata from domain name and
   regional internet registries.  RDAP allows a server to make access
   control decisions based on client identity, and as such it includes
   support for client identification features provided by the Hypertext
   Transfer Protocol (HTTP).  Identification methods that require
   clients to obtain and manage credentials from every RDAP server
   operator present management challenges for both clients and servers,
   whereas a federated authentication system would make it easier to
   operate and use RDAP without the need to maintain server-specific
   client credentials.  This document describes a federated
   authentication system for RDAP based on OpenID Connect.

Status of This Memo

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   This Internet-Draft will expire on November 25, 2017.

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Hollenbeck              Expires November 25, 2017               [Page 1]
Internet-Draft           OpenID Connect for RDAP                May 2017

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Problem Statement . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Proposal  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   4
   3.  Federated Authentication for RDAP . . . . . . . . . . . . . .   4
     3.1.  RDAP and OpenID Connect . . . . . . . . . . . . . . . . .   4
       3.1.1.  Terminology . . . . . . . . . . . . . . . . . . . . .   5
       3.1.2.  Overview  . . . . . . . . . . . . . . . . . . . . . .   5
       3.1.3.  RDAP Authentication and Authorization Steps . . . . .   6
         3.1.3.1.  Provider Discovery  . . . . . . . . . . . . . . .   6
         3.1.3.2.  Authentication Request  . . . . . . . . . . . . .   6
         3.1.3.3.  End-User Authorization  . . . . . . . . . . . . .   7
         3.1.3.4.  Authorization Response and Validation . . . . . .   7
         3.1.3.5.  Token Processing  . . . . . . . . . . . . . . . .   7
         3.1.3.6.  Delivery of User Information  . . . . . . . . . .   7
       3.1.4.  Specialized Parameters for RDAP . . . . . . . . . . .   7
         3.1.4.1.  Claims  . . . . . . . . . . . . . . . . . . . . .   7
   4.  Protocol Parameters . . . . . . . . . . . . . . . . . . . . .   9
     4.1.  Client Authentication Request and Response  . . . . . . .   9
     4.2.  Token Request and Response  . . . . . . . . . . . . . . .   9
     4.3.  Token Refresh and Revocation  . . . . . . . . . . . . . .  10
     4.4.  Parameter Processing  . . . . . . . . . . . . . . . . . .  13
   5.  Non-Browser Clients . . . . . . . . . . . . . . . . . . . . .  14
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  15
     6.1.  JSON Web Token Claims Registry  . . . . . . . . . . . . .  15
     6.2.  RDAP Query Purpose Registry . . . . . . . . . . . . . . .  15
   7.  Implementation Status . . . . . . . . . . . . . . . . . . . .  18
     7.1.  Verisign Labs . . . . . . . . . . . . . . . . . . . . . .  18
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