Continental Automotive Technologies Gmbh

Abir Bourounia

Mounir Elorch

Jean-Philippe Boisset

A method for preventing identity theft for a specific electronic control unit of a motor vehicle, when the specific electronic control unit sends a plaintext message, which contains measurement data, to a central electronic control unit of the motor vehicle. The method includes: generating an identifier for selecting a hashing algorithm; acquiring at least one parameter common to the central electronic control unit and the specific electronic control unit; generating a first digital hashing fingerprint of the combination of the plaintext message and of the common parameter, from the identifier for selecting a hashing algorithm; forming a data frame that includes the plaintext message, the identifier for selecting a hashing algorithm and the first digital hashing fingerprint; and sending the data frame to the central electronic control unit.

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Toulouse, France

Abir Bourounia