A method for controlling access to a resource, the method performed by a system comprising a first component, a second component and a third component, the first component comprising a first cryptographic key; the second component comprising a second cryptographic key. The method comprising: transmitting a signal; generating, by the first component a first channel observation; generating, by the second component, a second channel observation, and a first data value based on the second channel observation and the second cryptographic key; transmitting, by the second component, the second channel observation and the first data value; and verifying the second component based on the second channel observation, the first cryptographic key and the first data value; and allowing access to the resource in response to determining that the second component is: 1) permitted to gain access to the resource; and 2) located proximate to the first component.


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    Title :

    PREVENTING REPLAY/RELAY ATTACKS IN KEYLESS ENTRY SYSTEMS


    Contributors:

    Publication date :

    2023-11-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / H04B TRANSMISSION , Übertragung / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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