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2013 (Vol. 6, Issue: 05)
Article Information:

Secure Data Aggregation Using Reliable Nodes for Wireless Sensor Networks

M.Y. Mohamed Yacoab and V. Sundaram
Corresponding Author:  M.Y. Mohamed Yacoab 

Key words:  Data aggregation, integrity, reliable nodes, secret key, transmission, ,
Vol. 6 , (05): 768-775
Submitted Accepted Published
August 30, 2012 October 03, 2012 June 25, 2013
Abstract:

Generally, aggregation techniques in Wireless Sensor Networks (WSNs) are defenseless against various attacks. The aggregator and aggregated data has to be secured to assure integrity and confidentiality. In this study, we propose a secure data aggregation technique with reliable nodes using key predicate test protocol for sensor network. This technique specialize some nodes as Reliable nodes (R-nodes) to monitor the process of aggregation. Initially, for each node, a secret key is shared between base station and neighboring nodes. Then, an aggregation tree is constructed for transmitting data to the base station in a hierarchical fashion. The aggregator encrypts the data using secret key and forwards to a level up aggregator in aggregation tree. By enhancing broadcasting feature of R-nodes, the aggregated value is verified for ensuring integrity. As keys are shared between neighboring nodes, the nodes are validated using self-key predicate test. The proposed technique is proved through simulation results. It increases the throughput by reducing the packet drops significantly.
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  Cite this Reference:
M.Y. Mohamed Yacoab and V. Sundaram, 2013. Secure Data Aggregation Using Reliable Nodes for Wireless Sensor Networks.  Research Journal of Applied Sciences, Engineering and Technology, 6(05): 768-775.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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