Method and decision gateway for authorizing a function of an embedded control unit
US10091183B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2016 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Feb 18, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/046
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for authorizing a function of an embedded electronic control unit, including: a decision gateway requests from a hardware security module a function request destined for the electronic control unit, the decision gateway receives from the hardware security module the function request which is signed by the hardware security module, the decision gateway creates a communication channel, based on a cryptographic identity of the decision gateway, to a backend, the decision gateway sends the function request to the backend, the decision gateway receives from the backend via the communication channel a ticket which corresponds to the function request and is signed by the backend, and the decision gateway stores the ticket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.