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Data validation and integrity verification for trust based data aggregation protocol in WSN

机译：WSN基于信任数据聚合协议的数据验证和完整性验证

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摘要

In Wireless Sensor Networks, during data fragmentation, there are chances for dropping some blocks and injecting forged data by the attackers. So the integrity of these fragmented blocks and correctness of data, need to be verified. Also, DoS attacks needs to be prevented. In order to consider the above points, we proposed a design trust based data aggregation protocol using data validation and integrity verification in WSN. In this protocol, aggregation tree is formed by using the trust value which is evaluated for each node based on the trust features and the sensed data is encrypted with the shared symmetric key. Then the encrypted data are fragmented and signed with homomorphic MAC tag. Once the signed blocks are received, the aggregator performs SUM aggregation function after checking the correctness of data and verifying integrity of each block. The aggregated result is then transmitted to the sink, where it is again verified by the sink. This process is repeated by each sensor for the sensed results. By comparing the values obtained by simulation, we exhibit that the presented technique improves the data correctness.
机译：在无线传感器网络中，在数据碎片期间，有可能丢弃一些块并由攻击者注入伪造数据。因此，需要验证这些碎片块的完整性和数据的正确性。此外，需要防止DOS攻击。为了考虑上面的点，我们建议使用WSN中的数据验证和完整性验证的基于设计信任基于数据聚合协议。在该协议中，通过使用基于信任特征对每个节点评估的信任值来形成聚合树，并且感测数据与共享对称密钥加密。然后，加密数据分段并与同性恋MAC标签签名。收到符号块后，在检查数据的正确性并验证每个块的完整性后，聚合器执行SUM聚合函数。然后将聚合结果发送到宿户口，其中再次被接收器验证。每个传感器重复该过程，用于感测结果。通过比较模拟获得的值，我们展示了所呈现的技术改善了数据正确性。

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