The OAuth 2.0 Authorization Framework: Holder-of-the-Key Token Usage
draft-tschofenig-oauth-hotk-03

 
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Last updated 2014-07-21 (latest revision 2014-01-13)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-tschofenig-oauth-hotk-03.txt

Abstract

OAuth 2.0 deployments currently rely on bearer tokens for securing access to protected resources. Bearer tokens require Transport Layer Security to be used between an OAuth client and the resource server when presenting the access token. The security model is based on proof-of-possession: access token storage and transfer has to be done with care to prevent leakage. There are, however, use cases that require a more active involvement of the OAuth client for an increased level of security, particularly to secure against token leakage. This document specifies an OAuth security framework using the holder-of-the-key concept, which requires the OAuth client when presenting an OAuth access token to also demonstrate knowledge of keying material that is bound to the token.

Authors

John Bradley (ve7jtb@ve7jtb.com)
Phil Hunt (phil.hunt@yahoo.com)
Anthony Nadalin (tonynad@microsoft.com)
Hannes Tschofenig (Hannes.Tschofenig@gmx.net)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)