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VEHICLE NETWORK AUTHENTICATION SYSTEM, AND VEHICLE NETWORK AUTHENTICATION METHOD

  • US 20150350176A1
  • Filed: 12/05/2012
  • Published: 12/03/2015
  • Est. Priority Date: 12/05/2012
  • Status: Active Grant
First Claim
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1. A vehicle network authentication system in which communication data is transmitted and received by use of a unit of communication specified based on a communications protocol of a vehicle network, the vehicle network authentication system comprising:

  • a data dividing section that divides authentication data for authenticating a communication target;

    a dummy data addition section that adds dummy data for a dummy representation of the divided authentication data, the dummy data being used as data to be transmitted to the vehicle network together with the authentication data; and

    an authentication section that verifies the divided authentication data and the dummy data by use of a plurality of pieces of verification data for verifying the divided authentication data and gives authority according to an amount of authentication of the verified authentication data.

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