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

Page 17

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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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