面向无线传感网络安全的轻量级加密算法研究  

Research on Lightweight Encryption Algorithms for Wireless Sensor Network Security

作　　者：石鲁生[1] 朱慧博[1] SHI Lusheng;ZHU Huibo(Institute of Information Engineering,Suqian College,Suqian Jiangsu 223800,China)

机构地区：[1]宿迁学院信息工程学院,江苏宿迁223800

出　　处：《传感技术学报》2025年第1期168-173,共6页Chinese Journal of Sensors and Actuators

基　　金：2020年江苏省高校自然科学基金项目(20KJB510042)。

摘　　要：轻量级加密算法需在保证安全性的同时尽可能地降低计算和存储资源的消耗,以适应传感器节点的硬件限制。为同时提高数据传输的安全性和准确性,降低传感器节点能耗和计算量,提出面向无线传感网络安全的轻量级加密算法。建立传感器节点分簇模型,为簇首分配相应的对称密钥;利用TCDCP算法构建WSN线性回归模型,采集经过密钥分配处理后的感知数据;引入流密钥的轻量级同态加密算法,实现对感知数据的加密、解密处理,增强无线传感网络安全性能。仿真结果表明,所提算法的加密、解密时间分别为1.01 s、1.05 s,解密成功率平均值为97.0%,RAM空间、ROM空间占用字节数分别为770 kB、800 kB,能耗为82 mJ。所提方法能够有效地保护无线传感网络数据的机密性和完整性,降低资源消耗。Lightweight encryption algorithms need to minimize the consumption of computing and storage resources while ensuring secur-ity to adapt to the hardware limitations of sensor nodes.To simultaneously improve the security and accuracy of data transmission,re-duce energy consumption and computational complexity of sensor nodes,a lightweight encryption algorithm for wireless sensor network security is proposed.A sensor node clustering model is established and corresponding symmetric keys are assigned to the cluster heads.The TCDCP algorithm is used to construct a WSN linear regression model and perception data after key distribution processing are col-lected.The lightweight homomorphic encryption algorithm of stream key is introduced to realize the encryption and decryption of sensing data and enhance the security performance of wireless sensor networks.The simulation results show that the values of the encryption and decryption time of the proposed algorithm are 1.01 s and 1.05 s respectively,with an average decryption success rate of 97.0%.The val-ues of the number of bytes occupied by RAM space and ROM space are 770 kB and 800 kB respectively,and the value of energy con-sumption is 82 mJ.The proposed method can effectively protect the confidentiality and integrity of wireless sensor network data,and re-duce resource consumption.

关 键 词：无线传感网络 轻量级加密算法 分簇模型 线性回归模型 感知数据采集 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]