Function recovery32

Recovery by two sets of 32 bit keystream authentication

  • recovery32(
        uid: number,
        chal: number,
        rchal: number,
        rresp: number,
        chal2: number,
        rchal2: number,
        rresp2: number,
    ): bigint

  • Parameters

    • uid: number

      UID

    • chal: number

      Tag challenge #1 (aka nt)

    • rchal: number

      Reader challenge #1 (aka {nr_0})

    • rresp: number

      Reader response #1 (aka {ar_0})

    • chal2: number

      Tag challenge #2 (aka nt1)

    • rchal2: number

      Reader challenge #2 (aka {nr_1})

    • rresp2: number

      Reader response #2 (aka {ar_1})

    Returns bigint

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