摘要
针对现有的基于地理位置信息的无线传感器网络节点身份认证方案存在的通信开销大、计算重复度大、节点位置信息暴露率高等问题,提出一种高效的节点身份认证方案.方案对网络部署区域进行局部目标区域划分,在目标区域内利用欧氏距离计算出与目标节点最短路径的该区域边界节点,该边界点的认证通过给目标区域授权第三方可信任的门限节点来实现.此外,考虑节点位置信息的安全性,给节点增设可更新的密码信息.在相同仿真参数设置下,改进方案与DBNA算法和IDNAS算法比较,网络通信开销降低75%,传感网络节点位置信息暴露率维持在5%左右.
An efficient node authentication scheme was proposed, which was used to solve the problem of the communication over- head,the large repeat degree,node position information exposure rate highly ,those were brought by the exiting wireless sensor network node identity authentication scheme based on geographical location information. The network deployment area of the local target region was partied, combined with the Euclidean distance to compute the shortest path between the target region boundary node and a destina- tion node in the target region;the authorized third party trusted gate node for boundary node authentication was added. In addition, the password information of nodes was added, which improves the safety of node location information. Under the same simulation parame- ter, comparing the results of improved authentication algorithm with DBNA algorithm and IDNAS algorithm, the network communica- tion overhead is reduced by 75% ,location information of sensor network node exposure rate reduced to about 5%.
出处
《小型微型计算机系统》
CSCD
北大核心
2014年第11期2459-2463,共5页
Journal of Chinese Computer Systems
基金
江苏省产学研联合创新资金-前瞻性联合研究项目(BY2013015-33)资助
关键词
无线传感器网络
安全认证
节点认证
区域划分
位置信息
可信任第三方
wireless sensor network
security authentication
node authentication
regional partition
location information
trusted third party
