Patent · US Active

Method and update gateway for updating an embedded control unit

US10244394B2 · kind B2 · utility

0Cited by

1References

6Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Frederic Stumpf · Leonberg, DE
Jan Holle · Stuttgart, DE

Key dates

Filing date	May 16, 2016
Grant date	Mar 26, 2019
Priority date	—
Expiry date	Aug 3, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04W12/10
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for updating an embedded electronic control unit, including an update gateway requests from a hardware security module an update request destined for the electronic control unit, the update gateway receives from the hardware security module the update request, which is signed by the hardware security module, the update gateway creates a communication channel, based on a cryptographic identity of the update gateway, to a backend, the update gateway sends the update request to the backend, the update gateway receives from the backend via the communication channel an update ticket which corresponds to the update request and is signed by the backend, in addition to associated update data, validates the update data, initiates a validation of the update ticket, checks the result of the validation, and depending on the result, the update gateway updates the electronic control unit with the update data.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.