云环境下对称可搜索加密研究综述  

A Survey of Symmetric Searchable Encryption in Cloud Environment

作　　者：黄一才[1] 李森森[1] 郁滨[1] HUANG Yicai;LI Sensen;YU Bin(Information Engineering University,Zhengzhou 450001,China)

机构地区：[1]信息工程大学,郑州450001

出　　处：《电子与信息学报》2023年第3期1134-1146,共13页Journal of Electronics & Information Technology

基　　金：国家自然科学基金(61772547)。

摘　　要：云存储技术是解决大容量数据存储、交互、管理的有效途径,加密存储是保护远程服务器中用户数据隐私安全的重要手段,而可搜索加密技术能在保证用户数据安全前提下提高系统可用性。对称可搜索加密以其高效的搜索效率得到人们的广泛关注。总体而言,相关研究可归纳为系统模型、效率与安全、功能性3个层次。该文首先介绍了对称可搜索加密(SSE)系统典型模型,然后深入分析了搜索效率优化、安全性分析的常用手段和方法,最后从场景适应能力、语句表达能力、查询结果优化3个方面对方案功能性研究进行了梳理,重点对当前研究的热点和难点进行了总结。在此基础上,进一步分析了未来可能的研究方向。The technology of cloud storage is an effective way to solve the problems in high-capacity data storage,interaction and management.Using encrypted data in cloud servers is an important means to protect the privacy and security of user data in remote servers.Searchable encryption technology can improve the system availability on the premise of ensuring the security of user data.For its search efficiency,the Symmetric Searchable Encryption(SSE)has become a hot research topic.In general,the related research can be summarized into three aspects:the system model,efficiency and security,and usability.Firstly,the typical models of Symmetric Searchable Encryption(SSE)system are introduced.Then,common methods for search efficiency optimisation and security analysis are analysed in depth in this paper.Finally,from the aspects of scene adaptability,sentence expression ability and query result optimization,the research on scheme usability is combed and the hot spots and difficulties of the current research are summarized.On this basis,the possible research hotspots in the future are further analyzed.

关 键 词：对称可搜索加密 安全云存储系统 云计算 前向隐私 后向隐私 

分 类 号：TN918.4[电子电信—通信与信息系统] TP399[电子电信—信息与通信工程]