Advanced Card Systems Limited ACR1281U 사용자 설명서
ACR1281U
Advanced Card Systems Ltd.
Page 49 of 81
Byte Address
= A7A6A5A4 A3A2A1A0 b is the memory address location of the memory card.
= 1000 0000 b for writing fuse
MEM_L
Length of data to be written to the memory card.
Byte x
Data to be written to the memory card
.
• Response data format
SW1
SW2
• SW1, SW2
= 90 00 if no error
4.4 Verify Password
• Command format
Pseudo-APDU
CLA
INS
P1
P2
Lc
Data
FF
H
20
H
00
H
00
H
04
H
RP
Pw(0) Pw(1) Pw(2)
Pw(0),Pw(1),Pw(2)
Passwords to be sent to memory card.
RP
= 0000 rp2p1p0 b
where the four bits “rp2p1p0” indicate the password to compare:
r = 0: Write password,
r = 1: Read password,
p2p1p0: Password set number.
(rp2p1p0 = 0111 for the secure code).
• Response data format
SW1
SW2
ErrorCnt
90
H
• SW1 = 90
• SW2 (ErrorCnt) = Error Counter. FF indicates the verification is correct. 00 indicates the
• SW2 (ErrorCnt) = Error Counter. FF indicates the verification is correct. 00 indicates the
password is locked (exceed maximum number of retries). Other values indicate the current
verification is failed.
verification is failed.
4.5 Initialize Authentiction
• Command format
Pseudo-APDU
CLA
INS
P1
P2
Lc
Q(0)
Q(1)
…
Q(7)
FF
H
84
H
00
H
00
H
08
H