基于非可信用户协作的位置隐私保护机制  

Location privacy protection mechanism based on non-trusted user cooperation

作　　者：王辉[1] 朱国宇 申自浩[1] 田可可 WANG Hui;ZHU Guoyu;SHEN Zihao;TIAN Keke(College of Computer Science and Technology,Henan Polytechnic University,Jiaozuo 454003,China)

机构地区：[1]河南理工大学计算机科学与技术学院,河南焦作454003

出　　处：《传感器与微系统》2022年第5期53-56,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(61300216)。

摘　　要：随着互联网和无线定位技术的发展,基于位置的服务使人们的生活更加便捷,但用户的隐私受到的威胁也越来越大。在分析了现有的位置隐私保护模型的优缺点后,提出了基于非可信用户的多跳传输(MHT)模型,该模型中的所有角色都建立在不可信的基础上。通过请求信息的多跳传输将用户的位置信息摆脱和用户的相关性,完成对查询请求的脱敏处理,并通过两次加密处理,保证了查询请求及结果的安全性。在提供精确位置服务的同时,能够抵抗串通攻击和推理攻击,有效保护了用户的位置隐私。With the rapid development of Internet and wireless localization technology,location-based services make people’s lives more convenient,however it is also increasingly threatened the privacy of users.After analyzing the advantages and disadvantages of the existing location privacy protection model,the multi hop transmission(MHT)model based on untrusted users is proposed,in which all roles are based on untrusted.Through multi hop transmission of request information,the user’s location information is removed from the correlation with the user,and the query request is desensitized.and then the security of the query request and result is guaranteed by two encryptions.It can resist collusion and inference attacks while providing accurate location services,and user’s location privacy is effectively protected.

关 键 词：位置隐私 隐私保护 用户协作 脱敏 加密 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]