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:
Apr. 29, 2025
Filed:
Aug. 11, 2021
Dspace Digital Signal Processing and Control Engineering Gmbh, Paderborn, DE;
Bjoern Mueller, Paderborn, DE;
dSPACE GMBH, Paderborn, DE;
Abstract
A method and replay unit for sending secured messages via a messaging system to a receiver ECU to be tested, wherein the replay unit is connected to the device under test via the messaging system, wherein the replay unit is set up to receive first secured messages to be replayed, to remove from the first secured messages a first counter value and a first authenticator, and to generate a second authenticator by means of a second counter value, an encryption algorithm and a key, and wherein the replay unit is set up to generate second secured messages by adding the second counter value and the second authenticator to the first messages, and wherein the replay unit is further adapted to send the second secured messages to the recipient device under test via the messaging system.