Security Considerations in the IP-based Internet of Things
draft-garcia-core-security-03

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Last updated 2011-10-31 (latest revision 2011-07-11)
Replaced by draft-irtf-t2trg-iot-seccons, rfc8576
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CoRE                                                   O. Garcia-Morchon
Internet-Draft                                                   S. Keoh
Intended status: Informational                                  S. Kumar
Expires: May 3, 2012                                    Philips Research
                                                               R. Hummen
                                                             RWTH Aachen
                                                               R. Struik
                                                      Struik Consultancy
                                                        October 31, 2011

       Security Considerations in the IP-based Internet of Things
                     draft-garcia-core-security-03

Abstract

   A direct interpretation of the Internet of Things concept refers to
   the usage of standard Internet protocols to allow for human-to-thing
   or thing-to-thing communication.  Although the security needs are
   well-recognized, it is still not fully clear how existing IP-based
   security protocols can be applied to this new setting.  This
   Internet-Draft first provides an overview of security architecture,
   its deployment model and general security needs in the context of the
   lifecycle of a thing.  Then, it presents challenges and requirements
   for the successful roll-out of new applications and usage of standard
   IP-based security protocols when applied to get a functional Internet
   of Things.

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
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on May 3, 2012.

Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the

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   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   (http://trustee.ietf.org/license-info) in effect on the date of
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

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Table of Contents

   1.  Conventions and Terminology Used in this Document  . . . . . .  4
   2.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  The Thing Lifecycle and Architectural Considerations . . . . .  5
     3.1.  Threat Analysis  . . . . . . . . . . . . . . . . . . . . .  6
     3.2.  Security Aspects . . . . . . . . . . . . . . . . . . . . . 10
   4.  State of the Art . . . . . . . . . . . . . . . . . . . . . . . 13
     4.1.  IP-based Security Solutions  . . . . . . . . . . . . . . . 13
     4.2.  Wireless Sensor Network Security and Beyond  . . . . . . . 15
   5.  Challenges for a Secure Internet of Things . . . . . . . . . . 16
     5.1.  Constraints and Heterogeneous Communication  . . . . . . . 16
       5.1.1.  Tight Resource Constraints . . . . . . . . . . . . . . 16
       5.1.2.  Denial-of-Service Resistance . . . . . . . . . . . . . 18
       5.1.3.  Protocol Translation and End-to-End Security . . . . . 18
     5.2.  Bootstrapping of a Security Domain . . . . . . . . . . . . 20
       5.2.1.  Distributed vs. Centralized Architecture and
               Operation  . . . . . . . . . . . . . . . . . . . . . . 20
       5.2.2.  Bootstrapping a thing's identity and keying
               materials  . . . . . . . . . . . . . . . . . . . . . . 21
       5.2.3.  Privacy-aware Identification . . . . . . . . . . . . . 22
     5.3.  Operation  . . . . . . . . . . . . . . . . . . . . . . . . 23
       5.3.1.  End-to-End Security  . . . . . . . . . . . . . . . . . 23
       5.3.2.  Group Membership and Security  . . . . . . . . . . . . 23
       5.3.3.  Mobility and IP Network Dynamics . . . . . . . . . . . 24
   6.  Security Suites for the IP-based Internet of Things  . . . . . 25
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