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ACR38 Reference Manual
version 1.9 February 2006
where the two bits “rp” indicate the password to compare
r = 0 : Write password,
r = 1: Read password,
p: Password set number,
rp = 01 for the secure code.
Response data format
Header
Status
Data length
SW1
SW2
LEN
01
H
SW1, SW2
= 90
H
00
H
if no error
8.2.4.5 INITIALIZE_AUTHENTICATION
Command format
Header
Instruction
Data length
Data
LEN
CLA
INS
P1
P2
Lc
Q(0)
Q(1)
…
Q(7)
01
H
A0
H
00
H
0D
H
FF
H
84
H
00
H
00
H
08
H
Q(0),Q(1)…Q(7)
Host random number, 8 bytes.
Response data format
Header
Status
Data length
SW1
SW2
LEN
01
H
SW1, SW2
= 90
H
00
H
if no error
8.2.4.6 VERIFY_AUTHENTICATION
Command format
Header
Instruction
Data length
Data
LEN
CLA
INS
P1
P2
Lc
Ch(0) Ch(1)
…
Ch(7)
01
H
A0
H
00
H
0D
H
FF
H
82
H
00
H
00
H
08
H
Ch(0),Ch(1)…Ch(7)
Host challenge, 8 bytes.
Response data format
Header
Status
Data length
SW1
SW2
LEN
01
H
SW1, SW2
= 90
H
00
H
if no error
Advanced Card Systems Ltd.
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