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App. Res. of Comp. Accepted Paper
Vol. 41, 2024 No. 12

Adaptive secure fuzzy multi-keyword searchable encryption scheme based on blockchain

Zhai Shepinga,b
Zhang Ruitinga
Yang Ruia
Liu Jiayitenga
a. School of Computer Science & Technology, b. Shaanxi Key Laboratory of Network Data Analysis & Intelligent Processing, Xi'an University of Posts & Telecommunications, Xi'an Shaanxi 710121, China
DOI: 10.19734/j.issn.1001-3695.2024.03.0107

Abstract

Aiming at the lack of flexibility and security of traditional symmetric searchable encryption schemes, this paper proposed an adaptive and secure blockchain fuzzy multi-keyword searchable encryption scheme. Firstly, it utilized the local sensitive hash to fuzzily process the keywords, and generated a double bloom filter for each file to store and hide the keywords. Then, it constructed the index tree with the leaf nodes integrated with the graph-based keyword partitioning algorithm, so as to realize the sub-linear fuzzy multi-keyword search. Secondly, it combined Merkle hash tree with adaptive multi-set accumulator to validate the correctness and completeness of search results. In addition, it implemented an alliance chain consensus election mechanism to rotate and designate authorized nodes for managing encryption keys, deployed smart contracts on the blockchain to automate addition and search transactions, and proposed a storage optimization mechanism with global time as the consensus intermediate reference to enhance search security, reliability, and reduce on-chain storage overhead. Finally, the security analysis proved that the scheme can resist the adaptive keyword attack, and the simulation experiment proved that the scheme can realize sub-linear multi-keyword search, which has practical application value.

Foundation Support

国家自然科学基金资助项目(61373116)
工业和信息化部通信软科学项目(2018-R-26)
陕西省重点研发计划项目(2022GY-038)
陕西省教育厅科学研究计划项目(18JK0697)
陕西省社会科学基金资助项目(2016N008)
西安市社会科学规划基金资助项目(17X63)
西安邮电大学研究生创新基金资助项目(CXJJYL2022036)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2024.03.0107
Publish at: Application Research of Computers Accepted Paper, Vol. 41, 2024 No. 12

Publish History

[2024-09-02] Accepted Paper

Cite This Article

翟社平, 张瑞婷, 杨锐, 等. 自适应安全的区块链模糊多关键词可搜索加密方案 [J]. 计算机应用研究, 2024, 41 (12). (2024-09-11). https://doi.org/10.19734/j.issn.1001-3695.2024.03.0107. (Zhai Sheping, Zhang Ruiting, Yang Rui, et al. Adaptive secure fuzzy multi-keyword searchable encryption scheme based on blockchain [J]. Application Research of Computers, 2024, 41 (12). (2024-09-11). https://doi.org/10.19734/j.issn.1001-3695.2024.03.0107. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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