OAuth 2.0 Authorization Server Metadata
draft-ietf-oauth-discovery-06
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Active Internet-Draft (oauth WG)
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2017-09-03
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draft-jones-oauth-discovery
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IETF
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Submitted to IESG for Publication
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Hannes Tschofenig
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AD Evaluation::Revised I-D Needed
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Eric Rescorla
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Hannes Tschofenig <Hannes.Tschofenig@gmx.net>
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OAuth Working Group M. Jones
Internet-Draft Microsoft
Intended status: Standards Track N. Sakimura
Expires: September 11, 2017 NRI
J. Bradley
Ping Identity
March 10, 2017
OAuth 2.0 Authorization Server Metadata
draft-ietf-oauth-discovery-06
Abstract
This specification defines a metadata format that an OAuth 2.0 client
can use to obtain the information needed to interact with an OAuth
2.0 authorization server, including its endpoint locations and
authorization server capabilities.
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
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on September 11, 2017.
Copyright Notice
Copyright (c) 2017 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
Jones, et al. Expires September 11, 2017 [Page 1]
Internet-Draft OAuth 2.0 Authorization Server Metadata March 2017
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 Notation and Conventions . . . . . . . . . . 3
1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
2. Authorization Server Metadata . . . . . . . . . . . . . . . . 3
2.1. Signed Authorization Server Metadata . . . . . . . . . . 7
3. Obtaining Authorization Server Metadata . . . . . . . . . . . 8
3.1. Authorization Server Metadata Request . . . . . . . . . . 8
3.2. Authorization Server Metadata Response . . . . . . . . . 9
3.3. Authorization Server Metadata Validation . . . . . . . . 10
4. String Operations . . . . . . . . . . . . . . . . . . . . . . 10
5. Compatibility Notes . . . . . . . . . . . . . . . . . . . . . 11
6. Security Considerations . . . . . . . . . . . . . . . . . . . 11
6.1. TLS Requirements . . . . . . . . . . . . . . . . . . . . 11
6.2. Impersonation Attacks . . . . . . . . . . . . . . . . . . 11
6.3. Publishing Metadata in a Standard Format . . . . . . . . 12
6.4. Protected Resources . . . . . . . . . . . . . . . . . . . 12
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 13
7.1. OAuth Authorization Server Metadata Registry . . . . . . 13
7.1.1. Registration Template . . . . . . . . . . . . . . . . 14
7.1.2. Initial Registry Contents . . . . . . . . . . . . . . 14
7.2. Updated Registration Instructions . . . . . . . . . . . . 17
7.3. Well-Known URI Registry . . . . . . . . . . . . . . . . . 18
7.3.1. Registry Contents . . . . . . . . . . . . . . . . . . 18
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.1. Normative References . . . . . . . . . . . . . . . . . . 18
8.2. Informative References . . . . . . . . . . . . . . . . . 20
Appendix A. Acknowledgements . . . . . . . . . . . . . . . . . . 21
Appendix B. Document History . . . . . . . . . . . . . . . . . . 21
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 22
1. Introduction
This specification generalizes the metadata format defined by "OpenID
Connect Discovery 1.0" [OpenID.Discovery] in a way that is compatible
with OpenID Connect Discovery, while being applicable to a wider set
of OAuth 2.0 use cases. This is intentionally parallel to the way
that the "OAuth 2.0 Dynamic Client Registration Protocol" [RFC7591]
specification generalized the dynamic client registration mechanisms
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