Method and reproduction unit for reproducing protected messages
US12287625B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 11, 2021 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Nov 24, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/2637
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.