Abstract

Wireless Sensor Network provides a solution for var ious applications like nuclear power plant, militar y. This type of application required continuous monitoring. WSN is unprotected by various attacks; wormhole attack is one of among them. In this attack an attacker able to receive a packet from one location and drop it into another location. We propose an a lgorithm to defend wormhole attack, which is based on public key encry ption and acknowledgement based. Proposed algorithm provides secure communication and detects misbehaving nodes. Index Terms: Wireless Sensor Network, wormhole Attack

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