A privacy-preserving social network location sharing method

A social network and privacy protection technology, applied in data exchange networks, encryption devices with shift registers/memory, secure communication devices, etc., can solve user privacy leaks, user privacy threats, etc., to solve the problem of location privacy exposure , the effect of great practical value

Active Publication Date: 2019-07-23
FUJIAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the attacker obtains the user's location information, some private information of the user can be inferred through the location, thus threatening the user's privacy
Secondly, in the social network, the exposure of the user's social relationship will also cause the leakage of the user's privacy, such as querying nearby friends

Method used

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  • A privacy-preserving social network location sharing method
  • A privacy-preserving social network location sharing method
  • A privacy-preserving social network location sharing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0064] Please refer to Figure 1 to Figure 7 , the embodiment of the present invention is: as figure 1 As shown, a method and system for sharing social network location based on privacy protection, the system includes a client, a social network server and a location server, the client and the social network server can communicate with each other, and the social network server communicates with each other. The location servers can communicate with each other, and it is assumed that the client is user A in this embodiment.

[0065] During the registration phase, user A shares its public key PubK with the social network server A and session key SessK SA , and then define its access control configuration, which consists of a threshold distance, df A , df A Refers to user A's willingness to share its location with social network friends within this threshold distance. After successful registration, user A gets its social network identity ID A , the social network server recor...

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Abstract

The invention discloses a social network location sharing method based on privacy protection. When a user's location changes, multiple fake locations will be generated, and then sent to the location server together with their real location through a social network server; when querying the location of nearby friends When , the social network server inserts the user's friend list and sends it to the location server according to the user's request message. Forward the final result to the user. The location sharing method proposed by the present invention does not depend on a third-party server, can effectively solve the location privacy exposure problem existing in the traditional location sharing method, and has great practical value in social network application scenarios.

Description

technical field [0001] The present invention relates to the technical field of wireless networks, and in particular, to a method for sharing a location in a social network based on privacy protection. Background technique [0002] With the development of mobile network and information technology, mobile online social network has become a very popular service today. Compared with traditional online social networks that mostly support web access, mobile online social networks are not limited by time and place. Users can enjoy mobile online social networking at any time and anywhere by accessing the Internet through mobile devices. Various location-based sharing services provided by the network, such as friend recommendation, check-in, etc. [0003] Location sharing is one of the basic services of mobile online social networks, through which users can bring many conveniences to their lives. But at the same time, it also brings potential privacy exposure issues. First, the lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/58H04L29/06H04L9/06
CPCH04L9/0643H04L63/0442H04L63/0478H04L63/126H04L51/222H04L51/52
Inventor 叶阿勇陈秋玲
Owner FUJIAN NORMAL UNIV
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