Systems and methods are disclosed and include a processor configured to execute instructions stored in a nontransitory computer-readable medium. The instructions include generating first message authentication code (MAC) bytes based on a shared secret key. The instructions include generating first nonce bytes and an authenticated packet based on the first MAC bytes, the first nonce bytes, and a message byte. The instructions include generating a de-whitened tone byte based on the shared secret key. The instructions include generating a message packet that includes the authenticated packet and the de-whitened tone byte. Generating the message packet includes pseudo-randomly identifying a first location of the authenticated packet and inserting the de-whitened tone byte at the first location. The instructions include transmitting the message packet to the peripheral device and establishing the communication link between a portable device and a peripheral device in response to the peripheral device validating the message packet.


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    Title :

    Mobile De-Whitening


    Contributors:

    Publication date :

    2020-01-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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 / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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