Security-enhanced energy-efficient data aggregation for cluster-based wireless sensor networks

Data aggregation is a process by which data collected and sent from sensor nodes to the base station via some sensor nodes called aggregators. Security plays a key role in data aggregation process to ensure privacy and confidentiality of aggregated data. In this paper, we proposed a data aggregation scheme for cluster-based WSN that enhances the security against attackers. Our scheme bases on accelerated homomorphism public key encryption which offers end-to-end concealment of and supports hop-to-hop verification. The analytical analysis and comparisons show that our approach has both higher security performance and lower computational cost compared to other approaches.

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