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Black hole attack is a common security issue encountered in Mobile Adhoc Network (MANet) routing protocol. In this paper a trust value for each node has been obtained depending upon the packet forwarding ability of the node. A rank is generated based on this trust value. In the route discovery step of the AODV routing protocol a path is chosen in such a way that more trusted nodes are involved. Also...
Security is an essential requirement in mobile ad hoc network (MANETs) [1]. Compared to wired networks, MANETs are more vulnerable to security attacks due to the lack of a trusted centralized authority and limited resources. This paper simulates the behaviour of Blackhole node in AODV protocol in NS2 and proposes a technique to avoid it in AODV [2] routing protocol using Triangular Encryption [3]...
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