VhlCfg / File / DesfireCardUidKeyIdx Value

This entry specifies a key index to read the card UID. This value is only applicable for cards with random UID activated. If a VHL file specifies files and this configuration value the card UID is placed after content of file(s).

Properties

Format

Name Type/Size Description
KeyNo Integer (8 bits) Key number to authenticate with
(Minimum value: 0x00, maximum value: 0x0D)
CardUidKeyIdx Integer (8 bits) Index to key to read the cardID
This entry refers to a crypto key. Normally the value works as explaind below. If the configuration value DesfireMapKeyIdx exists, the meaning of this entry changes. Please refer to DesfireMapKeyIdx
  • 0x00-0x7F: index to SAM key, key version has to be 0
  • 0x80-0xBF: index to key defined in crypto memory of the reader: Device/CryptoKey
  • 0xC0-0xCB: index to key defined in VHL file: DesfireKeyList
  • 0xFE: legacy, use transport key 0xFF: key index unused

(Minimum value: 0x00, maximum value: 0xFE)