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Cryptographic key distribution in wireless sensor networks: a hardware perspective

McCusker, Kealan (2008) Cryptographic key distribution in wireless sensor networks: a hardware perspective. PhD thesis, Dublin City University.

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Abstract

In this work the suitability of different methods of symmetric key distribution for application in wireless sensor networks are discussed. Each method is considered in terms of its security implications for the network. It is concluded that an asymmetric scheme is the optimum choice for key distribution. In particular, Identity-Based Cryptography (IBC) is proposed as the most suitable of the various asymmetric approaches. A protocol for key distribution using identity based Non-Interactive Key Distribution Scheme (NIKDS) and Identity-Based Signature (IBS) scheme is presented. The protocol is analysed on the ARM920T processor and measurements were taken for the run time and energy of its components parts. It was found that the Tate pairing component of the NIKDS consumes significants amounts of energy, and so it should be ported to hardware. An accelerator was implemented in 65nm Complementary Metal Oxide Silicon (CMOS) technology and area, timing and energy figures have been obtained for the design. Initial results indicate that a hardware implementation of IBC would meet the strict energy constraint of a wireless sensor network node.

Item Type:Thesis (PhD)
Date of Award:March 2008
Refereed:No
Supervisor(s):O'Connor, Noel E.
Subjects:Computer Science > Computer networks
Engineering > Telecommunication
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 3.0 License. View License
ID Code:110
Deposited On:31 Mar 2008 by DORAS Administrator. Last Modified 30 Jan 2009 15:50

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