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CDAMA: Concealed Data Aggregation Scheme for Multiple Applications in Wireless Sensor Networks

Platform : DOT NET

IEEE Projects Years : 2012 - 13

CDAMA: Concealed Data Aggregation
Scheme for Multiple Applications in
Wireless Sensor Networks

Abstract—For wireless sensor networks, data aggregation schemes that reduce a large amount of transmission is the most practical
technique. In previous studies, homomorphic encryptions have been applied to conceal communication during aggregation such that
enciphered data can be aggregated algebraically without decryption. Since aggregators collect data without decryption, adversaries are
not able to forge aggregated results by compromising them. However, these schemes are not satisfy multi-application environments.
Second, these schemes become insecure in case some sensor nodes are compromised. Third, these schemes do not provide secure
counting; thus, they may suffer unauthorized aggregation attacks. Therefore, we propose a new concealed data aggregation scheme
extended from Boneh et al.’s homomorphic public encryption system. The proposed scheme has three contributions. First, it is designed
for a multi-application environment. The base station extracts application-specific data from aggregated ciphertexts. Next, it mitigates
the impact of compromising attacks in single application environments. Finally, it degrades the damage from unauthorized aggregations.
To prove the proposed scheme’s robustness and efficiency, we also conducted the comprehensive analyses and comparisons in the
end.


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