ACS ACR38K Smart Keyboard - Manual (Page 27)

ACR38x (CCID) – Reference Manual [email protected]
Version 6.04 www.acs.com.hk
Page 27 of 58
Response Data Format (abData field in the RDR_to_PC_DataBlock)
SW1
SW2
ErrorCnt
90h
Where:
SW1 = 90h
SW2 (ErrorCnt) = Error Counter. FFh indicates the verification is correct. 00h indicates the
password is locked (or exceeded the maximum number of retries). Other
values indicate the current verification has failed.
9.3.3.5. INITIALIZE_AUTHENTICATION
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS P1 P2 Lc Q(0) Q(1) … Q(7)
FFh 84h 00h 00h 08h
Where:
Q(0),Q(1)…Q(7) Host random number, 8 bytes
Response Data Format (abData field in the RDR_to_PC_DataBlock)
SW1 SW2
Where:
SW1 SW2 = 90 00h if no error
9.3.3.6. VERIFY_AUTHENTICATION
Command Format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS P1 P2 Lc Ch(0) Ch(1) … Ch(7)
FFh 82h 00h 00h 08h
Where:
Ch(0),Ch(1)…Ch(7) Host challenge, 8 bytes
Response Data Format (abData field in the RDR_to_PC_DataBlock)
SW1 SW2
Where:
SW1 SW2 = 90 00h if no error