StdDataFileSettings – FileSettings – Application Key

Forum / MIFARE SmartCard IC`s / MIFARE DESFire / StdDataFileSettings – FileSettings – Application Key

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  • 30. March 2017 at 21:22

    AS
    I do not under comSettings and authentication required with the key number for read access.

    What is the different between 0xE, 0xF, 0x00 and 0x0d ?

    DESFire support different key for each application and file ?

    com/nxp/nfclib/desfire/DESFireFile.StdDataFileSettings

    comSettings - Communication settings used while accessing the file. Supported data communication types.
      Plain
      MACed.
      Enciphered.


    readAccess - Take values from 0x00 to 0xF.
      0xE : free access.
      0xF : read access denied.
      0x00 to 0x0d -- authentication required with the key number for read access.


    writeAccess - Take values from 0x00 to 0xF.
      0xE : free access.
      0xF : read access denied.
      0x00 to 0x0d -- authentication required with the key number for write access.


    readWriteAccess - Take values from 0x00 to 0xF.
      0xE : free access.
      0xF : read access denied.
      0x00 to 0x0d -- authentication required with the key number for read and write access.


    changeAccess - Take values from 0x00 to 0xF.
      0xE : free access.
      0xF : read access denied.
      0x00 to 0x0d -- authentication required with the key number for changing the access rights of the file.


    fileSize - required file size of the data files.
    + 0  |  - 0
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