基于本地化差分隐私和属性基可搜索加密的区块链数据共享方案

冯涛; 陈李秋; 方君丽; 石建明

doi:10.11959/j.issn.1000-436x.2023103

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基于本地化差分隐私和属性基可搜索加密的区块链数据共享方案

学术通信 | 更新时间：2024-06-06

- 基于本地化差分隐私和属性基可搜索加密的区块链数据共享方案
- Blockchain data sharing scheme based on localized difference privacy and attribute-based searchable encryption
- 通信学报 2023年44卷第5期页码：224-233
- 作者机构：
  
  兰州理工大学计算机与通信学院，甘肃兰州 730050
- 作者简介：
  
  [ "冯涛（1970- ），男，甘肃临洮人，博士，兰州理工大学研究员、博士生导师，主要研究方向为网络与信息安全、区块链、工业互联网安全" ]
  [ "陈李秋（1998- ），女，四川内江人，兰州理工大学硕士生，主要研究方向为网络与信息安全、区块链、隐私保护、访问控制" ]
  [ "方君丽（1985- ），女，甘肃天水人，兰州理工大学讲师，主要研究方向为隐私保护、区块链、工业互联网安全等" ]
  [ "石建明（1994- ），男，甘肃张掖人，兰州理工大学博士生，主要研究方向为工业物联网安全、网络与信息安全" ]
- 基金信息：
  
  国家自然科学基金资助项目(62162039);国家自然科学基金资助项目(61762060);甘肃省科技厅重点研发计划基金资助项目(20YF3GA016)
- DOI：10.11959/j.issn.1000-436x.2023103
  中图分类号： TP309
- 网络出版日期：2023-05，
  
  纸质出版日期：2023-05-25
- 稿件说明：
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冯涛, 陈李秋, 方君丽, 等. 基于本地化差分隐私和属性基可搜索加密的区块链数据共享方案[J]. 通信学报, 2023,44(5):224-233.

Tao FENG, Liqiu CHEN, Junli FANG, et al. Blockchain data sharing scheme based on localized difference privacy and attribute-based searchable encryption[J]. Journal on communications, 2023, 44(5): 224-233.
冯涛, 陈李秋, 方君丽, 等. 基于本地化差分隐私和属性基可搜索加密的区块链数据共享方案[J]. 通信学报, 2023,44(5):224-233. DOI： 10.11959/j.issn.1000-436x.2023103.

Tao FENG, Liqiu CHEN, Junli FANG, et al. Blockchain data sharing scheme based on localized difference privacy and attribute-based searchable encryption[J]. Journal on communications, 2023, 44(5): 224-233. DOI： 10.11959/j.issn.1000-436x.2023103.

摘要

针对传统基于云的数据共享方案依赖可信第三方、只关注数据隐私保护或访问控制问题，提出一种基于本地化差分隐私和属性基可搜索加密的区块链数据共享方案。将区块链和云服务器结合，链上链下协同存储数据，提供高效可靠防篡改的数据共享。首先，引入本地化差分隐私对共享数据进行预处理，保证数据拥有者身份隐私的同时抵御不可信第三方攻击；其次，将可搜索加密技术和属性基加密结合，支持密文检索实现数据隐私保护、为共享数据提供细粒度访问控制；最后，通过安全性、正确性证明及实验分析证明所提方案满足安全目标。

Abstract

Aiming at the problem that traditional cloud-based data sharing schemes rely on trusted third parties and only focus on data privacy protection or access control

a blockchain data sharing scheme based on localized difference privacy and attribute-based searchable encryption was proposed.The blockchain and cloud server were combined to store data chain by chain and provide efficient

reliable and tamper-proof data sharing.Firstly

the localization difference privacy was introduced to preprocess the shared data to protect the privacy of the data owner and resist the attack of the untrusted third party.Secondly

the searchable encryption technology and attribute-based encryption were combined to realize data privacy protection

support ciphertext retrieval

and provide fine-grained access control for shared data.Finally

the safety

the correctness proof

and the experimental analysis proves that the proposed scheme meets the safety objectives.

关键词

Keywords

references

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