计算机科学 ›› 2016, Vol. 43 ›› Issue (Z11): 393-397.doi: 10.11896/j.issn.1002-137X.2016.11A.090
刘怀进,陈永红,田晖,王田,蔡奕侨
LIU Huai-jin, CHEN Yong-hong, TIAN Hui, WANG Tian and CAI Yi-qiao
摘要： 在两层无线传感器网络中,存储节点作为一个中间节点介于传感器节点和Sink之间,既负责收集传感器节点的数据,又负责Sink的查询,因此更容易被攻击者攻击。一个被妥协的存储节点不仅可能泄漏传感器节点的数据,还有可能向Sink返回不完整的或虚假的查询结果。为了减少查询能耗开销并解决存储数据隐私保护问题,提出了一种节能的安全范围查询方法PIRQ。该方法将数据查询和上传过程进行分离,并采用R-D判别方法将原来感知数据与查询范围区间上下界的大小比较过程转换成感知数据与查询范围中间值的距离和查询区间半径的大小比较过程,减少了能量开销。利用0-1编码和Hash消息认证机制对数据进行隐私保护,采用加密数据链技术对数据进行完整性检测。理论分析和实验表明,该方法在实现数据的隐私和完整性保护的同时具有很好的节能性。
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