MIFire PLUS EV1 SL3 switch by commands

Forum / MIFARE and NFC Reader IC`s / MIFire PLUS EV1 SL3 switch by commands

  • 19. February 2020 at 12:03

    Fajar Khan
    Im trying to switch from SL1 to SL3 ,

    I'm sending command for first auth :

    70 0390 0100

    Response :

    90 C77036E3F7B3D58ED80C2633AAF2BEAD

    So the RndB: 
    C77036E3F7B3D58ED80C2633AAF2BEAD


    and RndB rotated left over 1 byte (moving first byte to last) : 
    7036E3F7B3D58ED80C2633AAF2BEADC7


    creating a random 16 byte RndA : 
    A12B6C318FE20207A12B6C318FE20207


    RndA+RndB : 
    A12B6C318FE20207A12B6C318FE20207C77036E3F7B3D58ED80C2633AAF2BEAD


    and sending command like: 
    72 A12B6C318FE20207A12B6C318FE20207C77036E3F7B3D58ED80C2633AAF2BEAD


    but I'm receiving 
    06 : invalid RndB
    . any help would be appreciated!
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