Abstract
The data generated in the Industrial Internet of Things (IIoT) has important research value. In the process of data sharing, data privacy, security, and data availability are important issues that cannot be ignored. This paper proposes a blockchain privacy protection scheme based on zero-knowledge proof to realize the secure sharing of data among data owners, cloud service providers, and semitrusted cloud servers. First, the method of combining zero-knowledge proof and smart contract is used to verify the availability of data between the data owner and the cloud service provider under the premise of protecting data privacy. Second, proxy reencryption technology is used to realize the secure sharing of data among authorized cloud service providers. In addition, data sharing transaction information between multiple parties and data hashes with digital signatures are stored on the blockchain to achieve public and verifiable data sharing information and data validity. Finally, the theoretical analysis of the scheme shows that the scheme meets the confidentiality requirements of security, integrity, and validity.
Highlights
Since the 21st century, the Internet has given traditional industries the explosive growth of data in the Industrial Internet of Things [1, 2]
In the data sharing scheme based on blockchain, some researchers have implemented data sharing schemes for individual users. These solutions focus on the aggregation of data and the balance between data privacy and data accessibility in the process of data sharing transactions, and data transmission between multiple entities cannot ensure user data privacy in the entire process. In response to these existing problems, this paper proposes a blockchain data privacy protection and sharing scheme based on zero-knowledge proof
Blockchain combined with zero-knowledge proof provides a new solution to the data sharing model
Summary
Since the 21st century, the Internet has given traditional industries the explosive growth of data in the Industrial Internet of Things [1, 2]. These solutions focus on the aggregation of data and the balance between data privacy and data accessibility in the process of data sharing transactions, and data transmission between multiple entities cannot ensure user data privacy in the entire process In response to these existing problems, this paper proposes a blockchain data privacy protection and sharing scheme based on zero-knowledge proof. Traceability, and verifiability among multiple entities based on blockchain characteristics (2) A method of combining zero-knowledge proof and smart contract is proposed. After the verification is passed, the improved consensus algorithm enables the nodes to reach consensus directly and faster (3) Through security analysis and comparison with other solutions, this solution realizes the sharing of data among multiple entities under the premise of not revealing any data privacy, and the consistency, availability, and traceability, and verifiable characteristics of the sharing process during the sharing process
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
