Abstract
With the widely range of applications of wireless ad hoc networks, security threats are increasingly prominent, especially wormhole attacks. In a wormhole attack, unauthenticated entities secretly built wormhole tunnels, silently received messages and selectively reply. In this paper, we introduce an approach to detect and defense against wormhole attacks based on packet leashes scheme. Our solution effectively integrated shared symmetric key authentication and TIK protocol to reduce transmission delay and energy consumption. The result shows that the model can save power and reduce communication delay without sacrificing the accuracy of detection.
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