基于属性的可搜索加密综述

doi:10.11896/jsjkx.231100137

Abstract

Abstract: With the advent of the big data era,the size and complexity of data continue to increase,which makes the requirement for data privacy and security increasingly urgent.However,traditional encryption methods cannot meet the demand for efficient searching in large-scale datasets.To address this problem,searchable encryption introduces trapdoor functions and other cryptographic techniques that allow searching in encrypted data without decrypting the entire dataset.However,searchable encryption alone still cannot meet the complex data access control needs in the real world.Therefore,researchers have introduced the concept of attribute-based encryption into searchable encryption,resulting in attribute-based searchable encryption.This approach aims to achieve efficient search by attributes in encrypted data sets.Attribute-based searchable encryption has a wide range of applications in the fields of privacy protection,data sharing and cloud computing.In this paper,we describe the development trends in terms of enhancing privacy protection,improving computational efficiency,and increasing flexibility.We also present the related schemes involved.In terms of enhancing privacy protection,we discusstechniques such as policy hiding,permission management,and securi-ty enhancement.The current methods for optimizing efficiency primarily involve outsourcing computation,online/offline encryption mechanisms,and index structure optimization,among others.Additionally,the improvement of the attribute-based searchable encryption scheme in terms of access policy expression ability and search capability is discussed.In addition,this paper introduces several common application areas and summarizes the relevant schemes proposed by researchers.In addition,it discusses the challenges and future directions of attribute-based searchable encryption.

Key words: Attribute-based encryption, Searchable encryption, Attribute-based searchable encryption, Privacy preservation, Data sharing, Cloud computing

CLC Number:

TP309

YAN Li, YIN Tian, LIU Peishun, FENG Hongxin, WANG Gaozhou, ZHANG Wenbin, HU Hailin, PAN Fading. Overview of Attribute-based Searchable Encryption[J].Computer Science, 2024, 51(11A): 231100137-12.

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