In order to reduce the energy consumption and ensure the security in wireless sensor network, the secure data aggregation algorithm based on pattern codes was designed.

为了降低无线传感器网络能耗，保障网络安全，设计了一种基于模式码的安全数据融合算法。

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Finally, this paper presents a new secure tree-based data aggregation protocol which includes homomorphic encryption algorithm and the new result-checking algorithm.

最后，基于同态加密和新的结果验证算法，提出一种新的树形数据融合协议。

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