Tfm (trusted fingerprint module) commands, Tfm_command, Tfm_reset – ACS AET63 BioTRUSTKey User Manual
Page 17

7.3. TFM (Trusted Fingerprint Module) Commands
7.3.1.
TFM_COMMAND
This command is used to send the command to the TFM.
Command format
Instruction
Code
Data length
Data
LEN TFM
Command
9C
H
… … …
LEN
Number N of command to be sent to the TFM
(0 < N
≤ MAX_R)
DATA
The TFM command (please refer to TFM API Documentation)
Response data format
BYTE
1
BYTE
2
BYTE
3
...
...
BYTE
N
BYTE x
Data bytes returned by the TFM (please refer to TFM API Documentation)
7.3.2.
TFM_RESET
This command resets the TFM and then waits for the ATR returned from the TFM.
Command format
Instruction
Code
Data length
9D
H
00
H
Response data format
ATR
ATR
Answer-To-Reset as transmitted by the TFM. Please refer to the TFM
Communication Protocol for the ATR format.
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AET63 Reference Manual
Version 2.2
Page 17 of 26
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