计算机科学 ›› 2016, Vol. 43 ›› Issue (Z6): 353-356.doi: 10.11896/j.issn.1002-137X.2016.6A.084
刘怀进,陈永红,田辉,王田,蔡奕侨
LIU Huai-jin, CHEN Yong-hong, TIAN Hui, WANG Tian and CAI Yi-qiao
摘要： 在无线传感器网络中如何对传输的聚合数据同时进行数据隐私保护和完整性保护是当前物联网应用中的重要挑战。Ozdemir等人提出的PRDA(Polynomial Regression Based Secure Data Aggregation)协议基于分簇思想并利用多项式性质对聚合数据进行隐私保护,但无法验证数据的完整性。针对PRDA协议的聚合数据可能被篡改或伪造等问题,提出了一种可检测数据完整性的安全数据聚合协议iPRDA。该协议采用多项式函数和数据扰动技术对数据进行隐私保护,通过利用数据之间的关联特性在基站进行完整性检测。实验表明:该方案在不影响数据机密性的条件下,能有效地进行数据完整性检测。
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