Changes
Yubikey
,→U2F (Universal Second Factor) with Duo 2FA (Yubikey NEO and 4 only)
-m mode
set device configuration for the YubiKey. It is parsed in the form mode:cr_timeout:autoeject_timeout where mode is:
0
OTP device only.
1
CCID device only.
2
OTP/CCID composite device.
3
U2F device only.
4
OTP/U2F composite device.
5
U2F/CCID composite device.
6
OTP/U2F/CCID composite device. Add 80 to set MODE_FLAG_EJECT, for example: 81
cr_timeout is the timeout in seconds for the YubiKey to wait on button press for challenge response (default is 15)
autoeject_timeout is the timeout in seconds before the card is automatically ejected in mode 81
-n URI
Program NFC NDEF URI
-t text
Program NFC NDEF text