TAILIEUCHUNG - Báo cáo hóa học: "Research Article Mobility and Cooperation to Thwart Node Capture Attacks in MANETs"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Mobility and Cooperation to Thwart Node Capture Attacks in MANETs | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009 Article ID 945943 13 pages doi 2009 945943 Research Article Mobility and Cooperation to Thwart Node Capture Attacks in MANETs Mauro Conti 1 Roberto Di Pietro 2 3 Luigi V. Mancini 4 and Alessandro Mei4 department of Computer Science Vrije Universiteit Amsterdam 1081 HV Amsterdam The Netherlands 2 UNESCO Chair in Data Privacy Universitat Rovira i Virgili 43700 Tarragona Spain 3Dipartimento di Matematica Universita di Roma Tre 00146 Roma Italy 4Dipartimento di Informatica Universita di Roma Sapienza 00198 Roma Italy Correspondence should be addressed to Mauro Conti conti@ Received 22 February 2009 Revised 13 June 2009 Accepted 22 July 2009 Recommended by Hui Chen The nature of mobile ad hoc networks MANETs often unattended makes this type of networks subject to some unique security issues. In particular one of the most vexing problem for MANETs security is the node capture attack an adversary can capture a node from the network eventually acquiring all the cryptographic material stored in it. Further the captured node can be reprogrammed by the adversary and redeployed in the network in order to perform malicious activities. In this paper we address the node capture attack in MANETs. We start from the intuition that mobility in conjunction with a reduced amount of local cooperation helps computing effectively and with a limited resource usage network global security properties. Then we develop this intuition and use it to design a mechanism to detect the node capture attack. We support our proposal with a wide set of experiments showing that mobile networks can leverage mobility to compute global security properties like node capture detection with a small overhead. Copyright 2009 Mauro Conti et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction

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