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Wireless sensor networks are a promising future of many commercial and military applications. However, these networks pose unique security challenges. While the deployment of sensor nodes in an unattended environment makes the networks vulnerable to a variety of potential attacks, the inherent power and memory limitations of sensor nodes makes conventional(More)
– Key management is critical to meet the security goals [1] to prevent the Sensor Networks being compromised by an adversary. Due to ad-hoc nature and resource limitations of sensor networks, providing a right key management is challenging. Traditional key management schemes based on trusted third parties like a certification authority are impractical due(More)
Data aggregation in wireless sensor networks (WSN) is a rapidly emerging research area. It can greatly help conserve the scarce energy resources by eliminating redundant data thus achieving a longer network lifetime. However , securing data aggregation in WSN is made even more challenging, by the fact that the sensor nodes and aggregators deployed in(More)