Read_Presentation_Error_Counter_Memory_Card (Sle 4442 And Sle 5542) 67 8.6.4. Read_Protection_Bits - ACS ACR3901U-S1 Reference Manual

8.6.3. READ_PRESENTATION_ERROR_COUNTER_MEMORY_CARD
4442 and SLE 5542)
This command is used to read the presentation error counter for the secret code.
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS
FFh B1h
Response Data Format (abData field in the RDR_to_PC_DataBlock)
ERRCNT DUMMY 1
Where:
ERRCNT
DUMMY
SW1 SW2
8.6.4. READ_PROTECTION_BITS
This command is used to read the protection bits for the first 32 bytes.
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS
FFh B2h
Response Data Format (abData field in the RDR_to_PC_DataBlock)
PROT 1 PROT 2
Where:
PROT y
SW1, SW2
ACR3901U-S1 – Reference Manual
Version 1.01
P1 P2 MEM_L
00h 00h 04h
DUMMY 2
Error counter. 07h indicates that the last verification is correct. 00h indicates
that the password is locked (exceeded the maximum number of retries).
Other values indicate that the last verification has failed.
Three bytes dummy data read from the card
= 90 00h if no error
P1 P2 MEM_L
00h 00h 04h
PROT 3 PROT 4
Bytes containing the protection bits from protection memory
= 90 00h if no error
DUMMY 3 SW1 SW2
SW1 SW2
(SLE
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