Mifare Plus X authentication with Mifare SAM AV2 result 6985

Forum / MIFARE SmartCard IC`s / Mifare Plus X authentication with Mifare SAM AV2 result 6985

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  • 6. October 2021 at 10:20

    Aigerim Mussina
    Good day!

    I try to authenticate Mifare Plus X card with Mifare SAM AV2. Let me describe all steps.
    1. APDU to Mifare Plus X
    70 04 40 00
    2. Got response
    90 8CC21D17710C613724898C9B2864F305
    3. Send C-APDU to SAM AV2
    80 A3 0D 00 19 09 01 8CC21D17710C613724898C9B2864F305 044555A9612880 00
    4. Got response
    69 85

    I tried to get keyEntry information, which is 01 02 03 00 00 00 00 FF 00 FF 20 04 00. 8th byte is FF. Does it mean that kuc limit reached?
    How can I investigate the reason of an error and resolve the problem?

    Thank you in advance!
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