基于区块链与函数加密的隐私数据安全共享模型研究

doi:10.11959/j.issn.2096-0271.2022072

Abstract

Abstract:

Blockchain technology has provided new ideas for data validation, data traceability, data trustworthiness, and data availability in data sharing, but privacy data security in data sharing still faces many challenges.Firstly, the current status of blockchain-based data sharing research was reviewed.Then a secure sharing model of privacy data was proposed.By encrypting the privacy data through function cryptography, and generating the proof of computational correctness through zero-knowledge proof technology, a secure and reliable data sharing with “data available but not visible” was realized.The experimental results show that the sharing delay and economic overhead of the model are within the acceptable range, which demonstrates the security and feasibility of the model.

Key words: blockchain, functional encryption, zero knowledge proof, data sharing, privacy protection

CLC Number:

TP309.2

Yi LI, Jinsong WANG, Hongwei ZHANG. Research on privacy data security sharing scheme based on blockchain and function encryption[J]. Big Data Research, 2022, 8(5): 33-44.

Figures/Tables 4

References 21

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Research on privacy data security sharing scheme based on blockchain and function encryption

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