An offline immobilizer ECU reads an encryption key generation code from an offline additional electronic key and generates an electronic key encryption key for the offline additional electronic key using the encryption key generation code and a communication subject key encryption key held by the immobilizer ECU. The immobilizer ECU stores, in a memory, the generated electronic key encryption key and a key ID code that is read from the offline additional electronic key.


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    Title :

    Electronic key registration system


    Contributors:

    Publication date :

    2015-09-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze



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