User's Manual

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0x01 0x02 0x03 – application ID
0xED 0x84 – key settings bytes
READER=>HOST: 0x00 – ACK byte
0x67 – related command code MFDF_CREATE_APP
3.5.9 Delete application (0x68)
This command tries to delete an application from the tag. It takes one argument with the application ID.
Command description
Argument
Size
Value
Description
Command ID
1
0x68
MFDF_DELETE_APP
Application ID
3
X
Application ID bytes
Response description
ACK
1
0x00
Command ID
1
0x68
MFDF_DELETE_APP
Example:
HOST=>READER: 0x68 – MFDF_DELETE_APP
0x01 0x02 0x03 – application ID
READER=>HOST: 0x00 – ACK byte
0x68 – related command code MFDF_DELETE_APP
3.5.10 Change key (0x69)
This command tries to change the key for the selected application. It takes three arguments: the old key
number from key storage, the new key number in the key storage and the key number on the card. The
key type of the application keys cannot be changed.
Command description
Argument
Size
Value
Description
Command ID
1
0x69
MFDF_CHANGE_KEY
Old key number
1
0
-
4
Key number in key storage
New key number
1
0
-
4
Key number in key storage
Key number on card
1
X
Key number on the card
Response description
ACK
1
0x00
Command ID
1
0x69
MFDF_CHANGE_KEY
Example:
HOST=>READER: 0x69 – MFDF_CHANGE_APP
0x00 – old key number
0x01 – new key number
0x00 – key number