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Location determination for user authentication

  • US 9,122,853 B2
  • Filed: 06/24/2013
  • Issued: 09/01/2015
  • Est. Priority Date: 06/24/2013
  • Status: Active Grant
First Claim
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1. A method for user authentication, the method comprising:

  • establishing network connections between a client device and a first host machine and between the client device and a second host machine;

    receiving, by one or more processors, an authentication request from the client device;

    measuring, by the one or more processors, a first round trip time (RTT) between the first host machine and the client device;

    measuring, by the one or more processors, a second RTT between the second host machine and the client device;

    determining, by the one or more processors, a geographical location of the client device based at least in part on the first RTT and the second RTT, the geographical location corresponding to a point;

    determining, by the one or more processors, whether the geographical location of the client device is within a tolerance geographical area, the tolerance geographical area being circumscribed by a plurality of points, the plurality of points being varying respective distances from each of the first host machine and the second host machine; and

    in response to the authentication request, authenticating the client device, by the processor, based at least in part on the determination that the geographical location of the client device is within the tolerance geographical area.

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