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山东大学学报（理学版） ›› 2014, Vol. 49 ›› Issue (09): 69-73.doi: 10.6040/j.issn.1671-9352.2.2014.065

• 论文 • 上一篇    下一篇

一种地理围栏服务中的LBS隐私保护方法

杨松涛1,2, 马春光1, 周长利1, 张宗利2   

  1. 1. 哈尔滨工程大学计算机科学与技术学院, 黑龙江 哈尔滨 150001;
    2. 佳木斯大学信息电子技术学院, 黑龙江 佳木斯 154007
  • 收稿日期:2014-06-24 修回日期:2014-08-27 出版日期:2014-09-20 发布日期:2014-09-30
  • 通讯作者: 马春光（1974-），男，教授，博士，研究方向为网络安全.E-mail：machunguang@hrbeu.edu.cn E-mail:machunguang@hrbeu.edu.cn
  • 作者简介:杨松涛（1972-），男，副教授，博士研究生，研究方向为隐私保护.E-mail：songtao_y@163.com
  • 基金资助:
    黑龙江省教育厅科学技术研究项目（12541788）

A LBS privacy-preserving method for geo-fencing services

YANG Song-tao1,2, MA Chun-guang1, ZHOU Chang-li1, ZHANG Zong-li2   

  1. 1. College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, Heilongjiang, China;
    2. College of Information and Electronic Technology, Jiamusi University, Jiamusi 154007, Heilongjiang, China
  • Received:2014-06-24 Revised:2014-08-27 Online:2014-09-20 Published:2014-09-30

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摘要： 地理围栏技术广泛应用于推荐系统、广告推送等服务中，存在严重的位置隐私泄露风险。针对地理围栏服务中的触发查询问题，设计了基于位置服务（location-based services，LBS）隐私保护模型。该模型基于安全三方计算理论，遵循位置模糊和位置k-匿名的理念，达到了身份不可关联和位置不可追踪的目标。借鉴计算几何方法解决了触发查询场景下的位置匿名隐藏问题，利用密码学原理实现用户身份秘密认证。从理论上分析了模型的安全性，从隐私保护角度来看，攻击者没有从LBS系统中获得新知识。实验验证了模型的计算效率和通信负载都优于传统的时空匿名方法。

关键词: 地理围栏, 隐私保护, 基于位置的服务, 触发查询, 安全三方计算

Abstract: Geo-fencing technology is widely used in recommender systems, advertising push and other services. It has serious risk of personal privacy leakage threat. Focus on triggered query in Geo-fencing, the theories of the secure tripartite computation were applied in the research of the LBS privacy-preserving model, which follows the concept of location obfuscation and location k-anonymity and reaches the target of user's identity unlink-ability and location's untraced-ability. Location anonymity hidden problem and secret authentication problem were solved by computational geometry techniques and principles of cryptography in the triggered queries scenario. Theoretical analysis shows the model is security. From the perspective of privacy-preserving, the attackers do not get new knowledge from LBS system. Experiments demonstrate the computational efficiency and communication loads of this medel are superior to the traditional spatial-temporal cloaking methods.

Key words: secure tripartite computation, geo-fencing, location-based services, privacy-preserving, triggered query

中图分类号: 

  • TP309
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