In-vehicle information communication system and authentication method
US10708062B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2016 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Jan 31, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/35
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An in-vehicle information communication system is configured from an in-vehicle communication device, an electronic control device that is installed in a vehicle, and an information processing device that is not installed in a vehicle. The electronic control device comprises an electronic control device storage unit, a message generation unit, a MAC generation unit, and an electronic control device communication unit which sends the message and the MAC to the information processing device via the in-vehicle communication device. The information processing device comprises an information processing device storage unit, a message authentication code verification unit, a response code generation unit, and an information processing device communication unit which sends the response code to the electronic control device via the in-vehicle communication device. The electronic control device further comprises a response code verification unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.