Research Area:  Wireless Sensor Networks
Energy cost of transmitting a single bit of information is approximately the same as that needed for processing a thousand operations in a typical sensor node. Thus, a practical way to prolong a wireless sensor network lifetime is to reduce the sensor energy consumption in data transmissions. Data aggregation is an efficient way to minimize energy consumption on sensors. In this paper, we propose a practical secure data aggregation scheme, Sen-SDA, based on an additive homomorphic encryption scheme, an identity-based signature scheme, and a batch verification technique with an algorithm for filtering injected false data. We then investigate the feasibility of our scheme using low-cost microcontrollers choosing two popular IEEE 802.15.4-compliant wireless sensor network hardware platforms, MICAz and Tmote Sky, used in real-life deployments.
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Author(s) Name:  Kyung-Ah Shim and Cheol-Min Park
Journal name:   IEEE Transactions on Parallel and Distributed Systems
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Publisher name:  IEEE
DOI:   10.1109/TPDS.2014.2346764
Volume Information:  Volume: 26, Issue: 8, Aug. 1 2015,Page(s): 2128 - 2139
Paper Link:   https://ieeexplore.ieee.org/document/6875932