A method, terminal and system for protecting user location privacy

Abstract

The invention discloses a method, a terminal and a system for protecting a user position privacy. The method comprises the steps of storing a correspondence between a position application service and an adopted position ambiguity strategy; in response to a position application service query request, acquiring a position ambiguity strategy which corresponds with the position application service query request, performing user anonymization and / or generation of a plurality of query requests according to the position ambiguity strategy, wherein the plurality of query requests comprise position information which is related with the true position of the terminal, and transmitting the plurality of query requests to an application service provider; receiving a query result which returns from the application service provider, and screening out a query result which corresponds with the true position of the terminal. The method, the terminal and the system supplies an accurate position service for a user and furthermore protects the user position privacy.

Description

technical field [0001] The invention relates to the field of network and information security, in particular to a method, terminal and system for protecting user location privacy. Background technique [0002] Location-based service query has become an important application in people's daily life, and at the same time, users are also facing security risks of location privacy leakage. [0003] Currently, there are two main problems with user location privacy protection: [0004] First, the user's location privacy protection can only rely on the self-discipline of the application service provider, which objectively restricts the user's acceptance of new services and new service providers; [0005] Second, there is an insurmountable contradiction between the user's location privacy protection requirements and the location-based accurate service requirements. For example, users usually want to enjoy accurate location services, but do not want third parties to know their whereab...

AI Technical Summary

Problems solved by technology

[0004] First, the user's location privacy protection can only rely on the self-discipline of the application service provider, which objectively restricts the user's acceptance of new services and new service providers;

[0005] Second, there is an insurmountable contradiction between the user's location privacy protection requirements and the location-based accurate service requirements. For example, users usually want to enjoy accurate location services, but they do not want third parties to know their whereabouts at any time.

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