×

Information processing, apparatus and method, recording medium, and program

  • US 20060154631A1
  • Filed: 01/20/2006
  • Published: 07/13/2006
  • Est. Priority Date: 07/28/2003
  • Status: Active Grant
First Claim
Patent Images

1. A data transmitting apparatus comprising:

  • a command transmission unit configured to transmit a response request command to a data receiving apparatus;

    a control unit configured to receive a response message to the response request command from the data receiving apparatus,the response message including authentication data based on shared data shared with said data receiving apparatus;

    an authentication unit configured to produce an authentication result for said data receiving apparatus based on said authentication data;

    a measurement unit configured to measure a response time of the response message; and

    a judgment unit configured to judge if said data receiving apparatus is authorized to use the data based on the authentication result and the response time.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×