Dynamic Data Encryption Method for Wireless Sensor Networks Based on Internet of Things Technology
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.
wireless sensor networkdata encryptioninternet of things technologychaotic mappingdynamic key
万方数据
维普
