ykinfo - Get basic information from a YubiKey
Get basic information from a YubiKey. Can get serial number, version and current touch level. Can get all parameters at once or one at a time. If -q is given only the relevant string from the YubiKey is written to screen.
- -s
-
get the serial number and output it.
- -m
-
get the serial number and output it as modhex.
- -nkey
-
read from the nth key found.
- -H
-
get the serial number and output it as hex.
- -v
-
get the version and output it.
- -t
-
get the touch level and output it.
- -p
-
get the programming sequence and output it.
- -1
-
get the status of slot 1, 1 for programmed and 0 for empty.
- -2
-
get the status of slot 2, 1 for programmed and 0 for empty.
- -a
-
get all the information above.
- -c
-
get YubiKey capability information.
- -q
-
modifier, only show the relevant data from the YubiKey, no extra information.
- -V
-
print tool version and exit
Output information from a YubiKey:
$ ykinfo -s -m -H -v -t -p
serial: 1077254
serial_hex: 107006
serial_modhex: bcicch
version: 2.2.3
touch_level: 1793
programming_sequence: 1
$Report ykinfo bugs in the issue tracker https://github.com/Yubico/yubikey-personalization/issues
The ykpersonalize home page https://developers.yubico.com/yubikey-personalization/
YubiKeys can be obtained from Yubico http://www.yubico.com/