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System for protection and authentication of location services with distributed security

  • US 8,837,733 B2
  • Filed: 09/11/2012
  • Issued: 09/16/2014
  • Est. Priority Date: 05/16/2012
  • Status: Active Grant
First Claim
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1. A method for providing secure location information, said method comprising:

  • receiving, by a secure location processor (SLP), security key exchange information including security keys from a location requesting entity, said location requesting entity external to said SLP;

    obtaining location determination measurements, said obtaining performed by said SLP;

    verifying that said location determination measurements have not exceeded an expiration threshold, said verifying performed by said SLP;

    determining location information based on said location determination measurements, said determining performed by said SLP;

    encrypting said location information based on said security keys, said encrypting performed by said SLP;

    transmitting said encrypted location information from said SLP to said location requesting entity;

    adjusting the accuracy of said location determination measurements based on credentials of said location requesting entity, said adjusting performed by said SLP;

    encrypting said adjusted location determination measurements based on said security keys, said encrypting performed by said SLP; and

    transmitting said encrypted location determination measurements from said SLP to said location requesting entity.

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