Method for the secure authentication of control devices in a motor vehicle

A method for secure authentication of control apparatuses in a motor vehicle includes sending an authentication request to a control apparatus of the motor vehicle, receiving an authentication response of the control apparatus and checking the received authentication response. If a result of the che...

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Bibliographische Detailangaben
Hauptverfasser:	Schramm, Andreas, Wimmer, Richard
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATING RANDOM NUMBERS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES TIME OR ATTENDANCE REGISTERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION VOTING OR LOTTERY APPARATUS
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Beschreibung
Zusammenfassung:	A method for secure authentication of control apparatuses in a motor vehicle includes sending an authentication request to a control apparatus of the motor vehicle, receiving an authentication response of the control apparatus and checking the received authentication response. If a result of the checking is that the received authentication response is invalid, the method further includes transferring the control apparatus to a fallback mode, where the fallback mode being safe for the purposes of a dependability of the applicable motor vehicle. The authentication response of the control apparatus is provided based on at least part of authenticity information of the control apparatus. The transmitting of the authentication request and authentication response is effected in an encrypted fashion in each case, and the checking of the received authentication response includes decrypting the received authentication response.