SCL3711
R
EFERENCE
M
ANUAL
34
6.2.3. STORAGE_CARD_CMDS_LOAD_KEYS
6.2.3.1. Description
Some type of user tokens like MIFARE Classic may require that the an authentication happens
before any data can be read or written. To encrypt perform this authentication, keys need to be
loaded in the reader’s memory using this command.
6.2.3.2. Format
CLA
INS
P1
P2
Lc
Data in
0xFF
0x82
0x00
Key Type
Key Length
Key value
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
6.2.3.3. Response
Data Out
SW1 + SW2
6.2.3.4. Status Words
SW1
SW2
Description
0x90
0x00
NO ERROR
0x83
Reader key not supported
0x85
Secured transmission not supported
0x87
Non volatile memory not available
0x88
Key number not valid
0x69
0x89
Key length not correct