
SCM3712 REFERENCE MANUAL 45
8.2.3. STORAGE_CARD_CMDS_LOAD_KEYS
8.2.3.1. Description
Some type of user tokens like MIFARE Classic may require that an authentication happens before any
data can be read or written. To encrypt perform this authentication, the required keys need to be
loaded in the reader’s memory using this command.
8.2.3.2. Format
Where P2 can have the following values (please refer to MIFARE documentation from NXP for further
details on what is key A and Key B):
• 0x60 to use the Key A
• 0x61 to use the Key B
8.2.3.3. Response
8.2.3.4. Status Words
Secured transmission not supported
Non volatile memory not available
0x88 Key number not valid
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