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Lightweight Mobile Clients Privacy Protection Using Trusted Execution Environments for Blockchain 被引量:1
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作者 Jieren Cheng Jun Li +3 位作者 Naixue Xiong Meizhu Chen Hao Guo Xinzhi Yao 《Computers, Materials & Continua》 SCIE EI 2020年第12期2247-2262,共16页
Nowadays,as lightweight mobile clients become more powerful and widely used,more and more information is stored on lightweight mobile clients,user sensitive data privacy protection has become an urgent concern and pro... Nowadays,as lightweight mobile clients become more powerful and widely used,more and more information is stored on lightweight mobile clients,user sensitive data privacy protection has become an urgent concern and problem to be solved.There has been a corresponding rise of security solutions proposed by researchers,however,the current security mechanisms on lightweight mobile clients are proven to be fragile.Due to the fact that this research field is immature and still unexplored in-depth,with this paper,we aim to provide a structured and comprehensive study on privacy protection using trusted execution environment(TEE)for lightweight mobile clients.This paper presents a highly effective and secure lightweight mobile client privacy protection system that utilizes TEE to provide a new method for privacy protection.In particular,the prototype of Lightweight Mobile Clients Privacy Protection Using Trusted Execution Environments(LMCPTEE)is built using Intel software guard extensions(SGX)because SGX can guarantee the integrity,confidentiality,and authenticity of private data.By putting lightweight mobile client critical data on SGX,the security and privacy of client data can be greatly improved.We design the authentication mechanism and privacy protection strategy based on SGX to achieve hardware-enhanced data protection and make a trusted connection with the lightweight mobile clients,thus build the distributed trusted system architecture.The experiment demonstrates that without relying on the performance of the blockchain,the LMCPTEE is practical,feasible,low-performance overhead.It can guarantee the privacy and security of lightweight mobile client private data. 展开更多
关键词 Blockchain privacy protection SGX lightweight mobile client
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Automatic cruise system for water quality monitoring
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作者 Chengyun Zhu Xingqiao Liu +1 位作者 Hailei Chen Xiang Tian 《International Journal of Agricultural and Biological Engineering》 SCIE EI CAS 2018年第4期244-250,共7页
The range of unit fixed-point measurement on water quality monitoring system is limited,and the cost for multipoint measurement is high.In order to solve these problems,the automatic cruise system for water quality mo... The range of unit fixed-point measurement on water quality monitoring system is limited,and the cost for multipoint measurement is high.In order to solve these problems,the automatic cruise system for water quality monitoring was designed.Sage-Husa adaptive Kalman filtering algorithm was adopted to correct the error in GPS positioning.The boat was equipped with ship control module,water quality parameters acquisition module,power-supply module,GPS module and GPRS-DTU packet data transmission module.An Android application was developed so that individual users can use smartphone to communicate with the boat at all time and places.The results show that the boat can basically cruise in the set route to monitor the water quality.In a 4 m^(2) aquatic plants areas,the dissolved oxygen monitored in different time were about 10.2%,8.5%and 8.3%,respectively,higher than other areas,and the pH values were 4.1%,3.8%and 3.7%higher than those in other waters,which shown that plants photosynthesis released oxygen consumption of carbon dioxide will affect the dissolved oxygen content and pH value.This system can widen the measurement range,and lower the measuring cost that can be widely used in the water quality monitoring in aquaculture and river management. 展开更多
关键词 water quality monitoring GPS automatic cruise Android mobile client
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