Synchronization test for device authentication

  • US 8,837,724 B2
  • Filed: 08/24/2007
  • Issued: 09/16/2014
  • Est. Priority Date: 03/27/2007
  • Status: Active Grant
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First Claim
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1. A method of authenticating, comprising:

  • providing a first indication relating to at least one time of actuation of a first user input device that is associated with a first device;

    receiving a second indication relating to at least one time of actuation of a second user input device that is associated with a second device;

    comparing the first indication with the second indication to determine whether the at least one time of actuation of the first user input device is similar to the at least one time of actuation of the second user input device;

    authenticating the second device based on the comparison; and

    rejecting, during a synchronization test and after the reception of the second indication, any indications purporting to be representative of at least one time of actuation of the second user input device, wherein the first indication is provided and the second indication is received in conjunction with the synchronization test.

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