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Authentication and Authorization for Constrained Environments (ACE): Overview of Existing Security Protocols

Document Type Expired Internet-Draft (individual)
Expired & archived
Author Hannes Tschofenig
Last updated 2014-08-18 (Latest revision 2014-02-14)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document surveys existing three party authentication and authorization protocols for use with Internet of Things use cases. The discussed protocol frameworks are Kerberos, OAuth, ABFAB, and the certificate model. The aim is to understand whether any of the available standardized security protocols are re-usable for constrained environments. A future version of this document will provide a more detailed analysis against the requirements.


Hannes Tschofenig

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