VhlCfg / File / DesfireRandomIdKey Value

The value is required to authenticate with MIFARE DESFire cards with random UID to be able to read the real UID. It is currently only used for diversification.

Properties

Format

Name Type/Size Description
ReadIdKeyNo Integer (8 bits) Key number within the application to read the UID

KeyNo, i.e. the index of the key within the MIFARE DESFire application key table


(Minimum value: 0, maximum value: 13)
ReadIdKeyIdx Integer (8 bits) Index of the key on the reader to read the UID
  1. 0x00-0x7F refer to an index in a SAM (key version has to be 0).
  2. 0x80-0xBF refer to an index in Crypto Key.
  3. 0xC0-0xCB refer to an index in VhlCfg/File/DesfireKeyList.