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Secure and Efficient Data Privacy-preserving Scheme for Mobile Cyber Physical Systems

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Research on Mobile Cyber Physical Systems (MCPS) that have the superiorities of Cyber Physical Systems (CPS) and expand their application range has become a trend in recent years. The applications… Click to show full abstract

Research on Mobile Cyber Physical Systems (MCPS) that have the superiorities of Cyber Physical Systems (CPS) and expand their application range has become a trend in recent years. The applications of MCPS in fields such as intelligent transportation systems, smart home appliances and mobile education have also become increasingly mature. However, MCPS also has some shortcomings that need to be solved urgently. Sensors carried on mobile devices collect data and upload huge amounts of data to the cloud for statistics and analysis. Mobile devices need to directly interact with the cloud, causing both parties bear huge computing and communication costs. Since the interaction process includes data sharing and storage, it is particularly important to protect the data itself and the security of sharing. Searchable encryption ensures the safety of communication among the MPEs and the cloud, while protecting the privacy of data on the cloud. However, the existing searchable encryption technology cannot provide efficient and reliable data storage and sharing services for MPEs in MCPS under the premise of ensuring security. In this article, we present a secure and efficient data sharing and privacy protection scheme in MCPS on the basis of the edge computing model (NESPS). Meanwhile, the introduction of edge computing (EC) significantly reduces the communication consumption between the device and the cloud. Furthermore, attribute-based encryption ABE) enable the NESPS to achieve fine-grained management of device authorities. Moreover, we have carried out security analysis and simulation on the NESPS, the results demonstrate that the NESPS meets the proposed requirements.

Keywords: physical systems; secure efficient; cyber physical; mobile cyber; privacy; efficient data

Journal Title: IEEE Internet of Things Journal
Year Published: 2021

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