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

Yi LI; Jinsong WANG; Hongwei ZHANG

doi:10.11959/j.issn.2096-0271.2022072

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

TOPIC: DATA CIRCULATION AND PRIVACY COMPUTING | 更新时间：2024-06-03

- Research on privacy data security sharing scheme based on blockchain and function encryption
- Big data research Vol. 8, Issue 5, Pages: 33-44(2022)
- 作者机构：
  
  1. 天津理工大学计算机科学与工程学院，天津 300384
  2. 智能计算机及软件新技术天津市重点实验室，天津 300384
  3. 计算机病毒防治技术国家工程实验室，天津 300457
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-0271.2022072
  CLC： TP309.2
- Online First：2022-09，
  
  Published：15 September 2022
- 稿件说明：
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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.
DOI：

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. DOI： 10.11959/j.issn.2096-0271.2022072.

摘要

区块链技术给数据共享中的数据确权、数据溯源、数据可信、数据可用等方面提供了新思路，但数据共享中的隐私数据安全仍面临许多挑战。首先回顾当前基于区块链的数据共享研究现状；然后提出一种隐私数据安全共享模型，通过函数加密技术对隐私数据进行加密，结合零知识证明技术生成相关计算的可信证明，实现“数据可用不可见”的安全可靠的数据共享。实验结果显示，该模型的共享时延及经济开销均在可接受范围内，证明了该模型的安全性和可行性。

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.

关键词

Keywords

references

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