Technology of Information Security
|
2472-2476

Improved efficient dynamic searchable encryption

Sun Xiaoling
Yang Qiuge
Shen Yanping
Chen Fuming
Dept. of Information Engineering, Institute of Disaster Prevention, Sanhe Hebei 065201, China

Abstract

To retrieve encrypted data in cloud storage environment, this paper improved the existing approach to present an efficient and secure searchable encryption scheme. The scheme constructed three indexes using chained hash table: file index γf, search index γw and delete index γd, γw and γd were learned from the search token and the access pattern during each search process, it amortized the initial search time and the secondary search of keyword consumes constant time. The scheme added a delete index to improve update efficiency, test results show that the time consumption of the improved scheme in deletion operation can generally be reduced by 30%~60%. Even under updates, it leaks no more information than the access pattern.

Foundation Support

河北省高等学校科学技术研究项目(ZC2016164)
中央高校基本科研业务费专项基金青年教师资助项目(ZC2016164)
中央高校基本科研业务费专项基金青年教师资助项目(ZY20130213)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.02.0069
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 8
Section: Technology of Information Security
Pages: 2472-2476
Serial Number: 1001-3695(2020)08-049-2472-05

Publish History

[2020-08-05] Printed Article

Cite This Article

孙晓玲, 杨秋格, 沈焱萍, 等. 改进的高效动态可搜索加密方案 [J]. 计算机应用研究, 2020, 37 (8): 2472-2476. (Sun Xiaoling, Yang Qiuge, Shen Yanping, et al. Improved efficient dynamic searchable encryption [J]. Application Research of Computers, 2020, 37 (8): 2472-2476. )

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  • 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.

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