commands-read-status.md

uid
OtpCommandReadStatus

Read status

Read the YubiKey's OTP status structure.

Available

YubiKey firmware 3.x and later

Command APDU info

CLA	INS	P1	P2	Lc	Data
0x00	0x03	0x00	0x00	(absent)	(absent)

Response APDU info

Lr	Data	SW1	SW1
0x06	Status structure	0x90	0x00

Examples

$ opensc-tool.exe -c default -r 0 -s 00:a4:04:00:08:a0:00:00:05:27:20:01:01 -s 00:03:00:00
Sending: 00 A4 04 00 08 A0 00 00 05 27 20 01 01
Received (SW1=0x90, SW2=0x00):
04 03 07 03 07 00 06 0F 00 00 ..........
Sending: 00 03 00 00
Received (SW1=0x90, SW2=0x00):
04 03 07 03 07 00 ......