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Method and Apparatus for Authenticating Location-based Services without Compromising Location Privacy

Summary

The present invention relates to a method and an apparatus for authenticating location-based services without compromising location privacy, which comprises a comprehensive solution that preserves unconditional location privacy when authenticating range queries using three authentication schemes, together with two optimization techniques and two cryptographic constructs, and when authenticating k-nearest neighbor queries using two authentication schemes, together with two cryptographic constructs.

Technology Benefits

This invention addresses privacy-preserving query authentication for location-based services. The present invention addresses a critical problem for both mobile value-added service market and database research community.

Technology Application

For authenticating location-based services without compromising location privacy

Detailed Technology Description

The comprehensive solution for authenticating location-based services without compromising location privacy preserves unconditional location privacy when authenticating either range queries using three authentication schemes for R-tree and grid-file index, together with two optimization techniques, or k-nearest neighbor queries using two authentication schemes for R-tree and Voronoi Diagram index.

Industry

Electronics

Sub Group

Computer System

Application Date

2013.02.19

Application No.

US 13/769,846

Others

Filed

ID No.

G06/HH/Auth/US01

Country/Region

Hong Kong

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