{
  "$type": "site.standard.document",
  "description": "An update processing method for updating data used to generate a MAC in an in-vehicle network system including a plurality of electronic control units that communicate a data frame having a MAC added thereto with one another via a bus in accordance with the CAN protocol is provided. The method…",
  "path": "/patents/929556",
  "publishedAt": "2017-03-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R16/023",
    "PANASONIC IP CORP AMERICA [US]"
  ],
  "textContent": "An update processing method for updating data used to generate a MAC in an in-vehicle network system including a plurality of electronic control units that communicate a data frame having a MAC added thereto with one another via a bus in accordance with the CAN protocol is provided. The method includes the detection step of detecting a state of a vehicle having the in-vehicle network system mounted therein and the update step of updating a MAC key used to generate a MAC under the condition that the state of the vehicle detected in the detection step is a predetermined state.",
  "title": "IN-CAR NETWORK SYSTEM, ELECTRONIC CONTROL UNIT AND UPDATE PROCESSING METHOD"
}