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Published in:
2011 | OriginalPaper | Chapter
Key Authentication for MANET Security
Authors : Vijay Kumar, Rakesh Sharma, Ashwani Kush
Published in: High Performance Architecture and Grid Computing
Publisher: Springer Berlin Heidelberg
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Securing a mobile ad hoc network (MANET) is a big challenge because of the nature of the MANET. A particular challenging problem is how to detect and defend possible attacks on routing protocols feasibly. Security in mobile ad-hoc networks is difficult to achieve, mainly because of the vulnerability of wireless links, the limited physical protection of nodes, the dynamically changing topology, the absence of a certification authority, and the lack of a centralized monitoring or management point. The major difficulty in ad-hoc network occurs when a new node join network but not having any trust based relation with other nodes of network. In this paper a mechanism has been proposed that when mobile node needs secure data communication, it will generate a dynamic secret session key with the desired destination mobile node directly or via proxy mobile nodes. These dynamic secret session keys are generated using Diffie-Hellman protocol