Research on lightweight encryption algorithm for IoT devices

RiNing Wang; GuangMing Guo; ZhiGang Wang; ZiJian Meng; JinAn Li; JinShuai Wang

doi:10.1117/12.2655337

2 November 2022 Research on lightweight encryption algorithm for IoT devices

RiNing Wang, GuangMing Guo, ZhiGang Wang, ZiJian Meng, JinAn Li, JinShuai Wang

Proceedings Volume 12455, International Conference on Signal Processing and Communication Security (ICSPCS 2022); 124550T (2022) https://doi.org/10.1117/12.2655337
Event: International Conference on Signal Processing and Communication Security (ICSPCS 2022), 2022, Dalian, China

Abstract

In the Internet of Things (IoT) environment, embedded IoT devices have limited computing and storage resources. Their data lacks encryption protection. To solve this problem, this paper proposes a lightweight encryption algorithm based on SM4. First, this paper analyzed the encryption and decryption principle of SM4 algorithm. Then the S-box used in the encryption and decryption process was extended from high-order domain to low-order domain. The S-box component is constructed by a few logic gates to realize the lightness of the algorithm. Finally, the optimized SM4 module was embedded in the 5G communication terminal for testing. The results show that the lightweight encryption algorithm for IoT device can adapt to the data encryption of resource-constrained devices well. It is helpful to avoid the data leakage.

Citation Download Citation

RiNing Wang, GuangMing Guo, ZhiGang Wang, ZiJian Meng, JinAn Li, and JinShuai Wang "Research on lightweight encryption algorithm for IoT devices", Proc. SPIE 12455, International Conference on Signal Processing and Communication Security (ICSPCS 2022), 124550T (2 November 2022); https://doi.org/10.1117/12.2655337

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