{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A vehicle network system includes a plurality of electronic control units that communicate through a bus in accordance with a CAN (Controller Area Network) protocol. A first electronic control unit transmits, through the bus, one or a plurality of data frames including an identifier (a MAC…",
  "path": "/patents/1418525",
  "publishedAt": "2023-08-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R16/0231",
    "PANASONIC IP CORP AMERICA [US]"
  ],
  "textContent": "A vehicle network system includes a plurality of electronic control units that communicate through a bus in accordance with a CAN (Controller Area Network) protocol. A first electronic control unit transmits, through the bus, one or a plurality of data frames including an identifier (a MAC calculation target field type, a start flag, or the like) relating to data used for calculation for obtaining a message authentication code (MAC) indicating authenticity of transmission content. A second electronic control unit receives the one or plurality of data frames transmitted through the bus and performs a process for verifying the message authentication code in accordance with the identifier included in the one or plurality of data frames received.",
  "title": "VEHICLE NETWORK SYSTEM, ELECTRONIC CONTROL UNIT, RECEPTION METHOD, AND TRANSMISSION METHOD"
}