Management device, management system, key generation device, key generation system, key management system, vehicle, management method, key generation method, and computer program
US11201736B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2016 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Jan 20, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/84
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A management device installed in a vehicle includes a master key storing part configured to share the master key that is used to generate an initial key held by an ECU together with an identifier of the ECU; a communication part configured to communicate with the ECU; a key generation part configured to generate the initial key of the ECU by use of the master key stored on the master key storing part and the identifier of the ECU received from the ECU via the communication part; and an initial key storing part configured to store the initial key of the ECU that is generated by the key generation part in connection with the identifier of the ECU.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.