一种改进的传感器网络分组密钥预分配方案  

Improved Key Predistribution Scheme Based on Group-deployment for Wireless Sensor Net work

作　　者：王桐[1] 吴吉义[2] 徐贺[3] 

机构地区：[1]哈尔滨工程大学信息与通信工程学院,哈尔滨150001 [2]杭州师范大学电子商务与信息安全重点实验室,杭州311121 [3]哈尔滨工程大学机电工程学院,哈尔滨150001

出　　处：《小型微型计算机系统》2013年第9期2106-2110,共5页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目(61102105;60775060)资助;中国博士后科学基金项目(20080440840)资助;教育部博士点基金项目(20102304120014;20102304110006)资助;黑龙江省自然科学基金项目(F201029)资助;浙江省自然科学基金项目(LQ12G02016;LZ12F02005)资助

摘　　要：密钥预分配方案关乎无线传感器网络节点间协同的安全问题.现有的密钥预分配方案大多存在连通率低,抗捕获性差,灵活性差等缺点.该文在分析现有密钥预分配方案的基础之上,对TD(k,n)模型作出了适当的改进,设计出一种均匀分布TD(k,n)模型,引入Blundo二元对称多项式加密方法,并结合提出的均匀分配TD(k,n)模型,进一步提出了一种改进的分组密钥预分配方案IGDKPS(improved key-predistribution scheme based on group deployment).理论分析和仿真结果表明:IGDKPS方案在安全连通率、抗捕获性、灵活性等方面均有良好表现.Key pre-distribution scheme is related to the corporative security between the nodes in wireless sensor network. Most of the existing key pre-distfibution schemes have the shortcomings such as low connectivity, poor resistance and scalability. This paper makes appropriate improvements to the TD （ k, n ） model and designs a uniform distribution TD （ k, n ） model, then we pull in the Blundo method, this paper further proposes an improved sensor network key pre-distribution scheme IGDKPS （ improved key-predistri- bution scheme based on group deployment） by combining the Blundo method and uniform distribution TD（ k,n ） model. Theoretical a- nalysis and simulation results show that the IGDKPS scheme has good performances in the security connectivity rates, resistance, flexibility and other aspects.

关 键 词：传感器网络 密钥预分配 分组部署 二元多项式 协同 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]