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基于坐标变换的k匿名位置隐私保护方法 被引量:9

K-anonymity Location Privacy Protection Method with Coordinate Transformation
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摘要 当前基于位置服务系统中的位置隐私保护方法大都依赖于第三方匿名服务器.针对匿名服务器存在的安全隐患问题,提出了一种基于坐标变换的k匿名位置隐私保护方法,用户请求位置服务时,向匿名服务器发送经过变换后的坐标,匿名服务器可以在不知道用户真实坐标的情况下形成匿名区域,从而提高了隐私保护系统的安全性.最后,通过安全分析论证了方法的安全性. Many location privacy protection methods used a trusted anonymizer between the users and the locaUon servlce provlcler.However, there are security risks in introducing an anonymizer. To solve this problem propose a k-anonymity location privacy protec-tion method with coordinate transformation. When a user needs location services, he sends his location using coordinate transformationto anonymous server. Anonymous server constructs an anonymous region without knowing the use's real location. And thereby improvethe overall system security. Finally, prove system security by security analysis.
出处 《小型微型计算机系统》 CSCD 北大核心 2016年第1期119-123,共5页 Journal of Chinese Computer Systems
基金 国家自然科学基金项目(61202452 U1405255)资助 福建省工业科技重点项目(2014H0018)资助 福建省教育厅产学研项目(JA12063)资助 福建省2013战略性新兴产业技术开发项目(闽发改高技[2013]266号)资助 福州市科技局项目合同(2013-G-84)资助
关键词 基于位置的服务 位置隐私保护 k匿名 坐标变换 location based services location privacy k-anonymity coordinate transformation
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