基于物联网技术的无线传感器网络数据动态加密方法  

Dynamic Data Encryption Method for Wireless Sensor Networks Based on Internet of Things Technology

作　　者：张天荣 胡峰俊 李红映 ZHANG Tianrong;HU Fengjun;LI Hongying(College of Information Science and Technology,Zhejiang Shuren University,Hangzhou Zhejiang 310015,China;Information and Education Technology Center,Zhejiang A&F University,Hangzhou Zhejiang 311300,China)

机构地区：[1]浙江树人学院信息科技学院,浙江杭州310015 [2]浙江农林大学信息与教育技术中心,浙江杭州311300

出　　处：《传感技术学报》2024年第12期2142-2147,共6页Chinese Journal of Sensors and Actuators

基　　金：国家自然科学基金(82011530399);浙江省重点研发计划(2021C01189);浙江省自然科学基金(LGG20F020015);浙江省科技创新领军人才(2020R52042);浙江树人学院引进人才科研启动项目(2021R032,KXJ0424101)。

摘　　要：为提高无线传感器网络数据传输安全性能,研究基于物联网技术的无线传感器网络数据动态加密方法。设计基于物联网技术的无线传感器网络框架,根据传感器网络的传输结构,建立网络数据传输模型,使网络状态变量保持在同一维度。将一维和二维的离散混沌映射相结合,改进逻辑映射的不均匀分布,构建联立函数完成网络数据的动态加密。仿真分析结果证明所提方法加密内存为768 B,加密能耗为56 mJ,最大加密时间低于30 ms,加密时间、内存占用均较低。所提方法加密后数据映射分布呈现无序状态,能有效抵抗攻击和篡改,加密性能良好。In order to improve the security of data transmission in wireless sensor networks,a dynamic data encryption method based on the Internet of Things(IoT)technology is studied.A wireless sensor network framework based on the Internet of Things technology is de-signed.According to the transmission structure of the sensor network,a network data transmission model is established to keep the net-work state variables in the same dimension.One-dimensional and two-dimensional discrete chaotic maps is combined to improve the non-uniform distribution of logical maps,and simultaneous functions are constructed to achieve dynamic encryption of network data.Simulation analysis results show that the proposed method has a memory encryption capacity of 768 B,encryption energy consumption of 56 mJ,maximum encryption time less than 30 ms,and the encryption time and memory usage are both low.The proposed method pres-ents an unordered distribution of data mapping after encryption,which can effectively resist attacks and tampering,and has good encryp-tion performance.

关 键 词：无线传感器网络 数据加密 物联网技术 混沌映射 动态密钥 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]