The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2019
Filed:
May. 16, 2016
Robert Bosch Gmbh, Stuttgart, DE;
Frederic Stumpf, Leonberg, DE;
Jan Holle, Stuttgart, DE;
ROBERT BOSCH GMBH, Stuttgart, DE;
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.