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permitted under U.S. or applicable copyright law. EBSCO Publishing : eBook Collection (EBSCOhost) - printed on 2/16/2016 3:46 AM via CGC-GROUP OF COLLEGES (GHARUAN) AN: 340572 ; Beyah, Raheem, Corbett, Cherita, McNair, Janise.; Security in Ad Hoc and Sensor Networks Account: ns224671
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This page intentionally left blank Copyright © 2010. World Scientific Publishing Company. All rights reserved. May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law. EBSCO Publishing : eBook Collection (EBSCOhost) - printed on 2/16/2016 3:46 AM via CGC-GROUP OF COLLEGES (GHARUAN) AN: 340572 ; Beyah, Raheem, Corbett, Cherita, McNair, Janise.; Security in Ad Hoc and Sensor Networks Account: ns224671
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Chapter 1 Authentication and Confidentiality in Wireless Ad Hoc Networks Anjum Naveed and Salil Kanhere School of Computer Science and Engineering University of New South Wales Sydney, Australia, 2052 (anaveed,salilk)@cse.unsw.edu.au The security services of authentication and confidentiality are of signif- icant importance to ensure secure communication in any network. The decentralized nature and the broadcast medium of communication of wireless ad hoc networks results in unique challenges in realizing the services of authentication and data confidentiality. In this chapter, we first highlight the issues relating to authentication and confidentiality in wireless ad hoc networks and identify the characteristics of these services. Subsequently, we discuss the security mechanisms proposed for authen- tication and confidentiality in wireless ad hoc networks. The chapter also includes a detailed discussion about the standards IEEE 802.1X (Authentication) and IEEE 802.11i (Confidentiality). 1. Introduction A Wireless Ad Hoc Network is a group of low capacity computing devices (laptops, PDAs, etc.) connected through wireless links. These devices are generally mobile with frequent location changes. Communication between the devices can be established anywhere, in a decentralized manner with- out the support of an established infrastructure. The purpose of ad hoc networks is to enable the mobile device users to share resources, provide services to each other or simply establish a network for communication and information exchange. Ad hoc networks have a number of applications where infrastructure free communication is required. These applications include emergency relief, military operations, on-demand conferencing and home networking. Like any communication network, the true potential 3 Copyright © 2010. World Scientific Publishing Company. All rights reserved. May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law. EBSCO Publishing : eBook Collection (EBSCOhost) - printed on 2/16/2016 3:46 AM via CGC-GROUP OF COLLEGES (GHARUAN) AN: 340572 ; Beyah, Raheem, Corbett, Cherita, McNair, Janise.; Security in Ad Hoc and Sensor Networks Account: ns224671
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4 A. Naveed and S. Kanhere of wireless ad hoc networks cannot be exploited without considering and adequately addressing the security issues.
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