Transaction authentication by a token, contingent on personal presence

  • US 11,086,978 B2
  • Filed: 05/17/2006
  • Issued: 08/10/2021
  • Est. Priority Date: 05/19/2005
  • Status: Active Grant
First Claim
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1. A method of confirming by a peripheral device, which is operationally connected to a host, that a user is interfacing with the host in person, the method comprising:

  • performing by the peripheral device;

    generating at least one output at a peripheral device user output on the peripheral device;

    receiving a report from the host on user input that is input via the host;

    determining that the report was received within a predetermined time since generating the at least one output;

    confirming, in response to the received report and in response to determining that the report was received within the predetermined time since generating the at least one output, that the user is interfacing with the host in person; and

    in response to confirming that the user is interfacing with the host in person;

    generating authentication token data; and

    sending, to the host, the authentication token data.

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