VhlCfg / File / MifarePlusKeyIdxOffset Value

This value is used by Mifare plus firmware only. It describes for SAM and crypto memory keys an offset for Mifare keys to AES keys (!-signed value). This value is only useful at security level 0 and 2 - in this cases for access / authentication both keys are needed. Default value is 1.

Properties

Format

Name Type/Size Description
KeyIdxOffset Integer (8 bits) I.e. access to sam keys: if sam key index is set to 5, the AES key index is 5, the index of the belonging Mifare key is
  • 7, if KeyIdxOffset is 2
  • 3, if KeyIdxOffset is 254 (256-2)