Patent ID: 11930021
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 16:
17. The unauthorized frame detection method according to claim 13, wherein the electronic control unit is configured:
to determine whether the frame is received;
to check whether the received frame is for SOME/IP SD communication;
to check whether the received frame is a frame for updating a permission table storing the permission rule if the electronic control unit determines that the received frame is not for SOME/IP SD communication;
to update the permission table if the electronic control unit determines that the received frame is a frame for updating a permission table and the received frame passes a challenge-response authentication;
to check whether the electronic control unit is in the initialization mode if the electronic control unit determines that the received frame is for SOME/IP SD communication;
to register the permission rule into the permission table based on the information included in the received SOME/IP SD communication if the electronic control unit is in the initialization mode;
to transfer the received SOME/IP SD communication to the another communication port if the permission rule is registered in the permission table;
to check whether the service identifier, the receiving port, and the service type in the received SOME/IP SD communication match the permission rule included in the permission table if the electronic control unit not in the initialization mode;
to transfer the received SOME/IP SD communication to the another communication port if the service identifier, the receiving port, and the service type in the received SOME/IP SD communication match the permission rule included in permission table; and
to discard the received SOME/IP SD communication if the receiving port, and the service type in the received SOME/IP SD communication do not match the permission rule included in permission table.