A Blockchain-Based Fine-Grained Access Data Control Scheme With Attribute Change Function

Xiaochao Wang,Zequan Zhou,Xiling Luo,Yifu Xu,Yi Bai,Feixiang Luo

2021 IEEE SmartWorld, Ubiquitous Intelligence & Computing, Advanced & Trusted Computing, Scalable Computing & Communications, Internet of People and Smart City Innovation (SmartWorld/SCALCOM/UIC/ATC/IOP/SCI)（2021）

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摘要

A distributed storage system (DSS) has the ad-vantages of low price and high throughput, but it also raises serious data confidentiality and privacy issues. Fine-grained access control (AC) is important for further applications. Although attribute-based encryption (ABE) schemes can achieve fine-grained AC, almost all schemes distribute a private key to a visitor by a private key generator that may...

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关键词

decentralized storage system,access control,blockchain

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