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Secure and Lightweight Authentication Protocol in Internet of Things
Yanlong Yang,Mengzhu Lu,Xiaohan Niu 한국멀티미디어학회 2023 The journal of multimedia information system Vol.10 No.3
The further development of Internet of things (IoT) makes the number of various terminal devices grow rapidly. At the same time, the amount of data collected and transmitted through terminal devices is also increasing. However, in the communication between devices and servers, most of them lack efficient identity authentication and encrypted communication mechanisms suitable for IoT environment. Therefore, in order to secure the communication between these devices and servers, they need to be protected by password technology. This paper proposes a secure communication protocol based on chaotic mapping algorithm, which is used to ensure the bidirectional identity authentication and data encryption between IoT devices and servers. The protocol is proved by Burrows Abadi Needham(BAN) logic, Scyther and informal security analysis that it satisfies the security and can resist various security attacks, and achieve anonymity and non-traceability. Finally, the performance comparison analysis with similar protocols shows that the proposed protocol significantly improves the security and has high efficiency.
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Liuqiang Wang,Zhen Li,Chao Wang,Deyin Wang,Yucheng Wang,Mengzhu Lu 한국식물학회 2017 Journal of Plant Biology Vol.60 No.6
Peroxiredoxins (Prxs) are ubiquitous thiol-specificantioxidant enzymes that are critically involved in cell defenseand protect cells from oxidative damage. In this study, aputative Type II Prx (ThPrx1) was identified and characterizedfrom Tamarix hispida. The expression of ThPrx1 is highlyinduced in response to hydrogen peroxide (H2O2) and methylviologen (MV) stresses. When expressed ectopically, ThPrx1showed enhanced tolerance against oxidative stress in yeastand Arabidopsis. In addition, transgenic Arabidopsis plantsoverexpressing ThPrx1 displayed improved seedling survivalrates and increased root growth and fresh weight gain underH2O2 and MV treatments. Moreover, transgenic Arabidopsisplants showed decreased accumulation of H2O2, superoxide(O2•−) and malondialdehyde (MDA), increased superoxidedismutase (SOD) activity compared to wild-type (WT) plantsunder oxidative stress. Moreover, transgenic plants maintainedhigher photosynthesis efficiency and lower electrolyte leakagerates than that of WT plants under stress conditions. Theseresults clearly indicated that ThPrx1 plays an important rolein cellular redox homeostasis under stress conditions, leadingto the maintenance of membrane integrity and increasedtolerance to oxidative stress.
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