An Energy efficient approach for Secure data communication using Pairwise key encryptionin WSN

A WSN is a wireless network comprising small sensor nodes to monitor environmental or physical parameters. Since wireless sensor networks have limited computational power, memory, throughput, and energy, traditional security solutions designed for resource-rich systems are inappropriate. Given these limitations, providing basic security methods for data transfer in wireless sensor networks is vital. Our work is divided in three phases. Phase 1 focuses on development of a pairwise key management technique. We suggested broadcast tree construction for a wireless sensor network in phase 2. In phase 3, we proposed an enhanced watchdog strategy as a practical way of detecting rogue nodes. The main objective of this model's depiction is to emphasize how important it is to reduce network power consumption to prolong network lifespan and identify and terminate rogue nodes before they broadcast packets. Experimental analysis shows that our model provides better results than state of art systems.