Write master key in mifare 1k card

Forum / MIFARE SDK / Write master key in mifare 1k card

  • 30. November 2015 at 10:13
    I need to change the default key value(FFFFFFFFFFFFF) stored in the sector trailer in the fourth block.

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    Re: Write master key in mifare 1k card

    1. December 2015 at 9:45
    Hi,

    to change the default key or set any key, write a valid new sector trailer with correct access condition bytes. Before you have to authenticate to that sector. In case of a black card with the key A.

    Regards,
    The MIFARE Team

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