YKINFO(1)               YubiKey Personalization Tool M               YKINFO(1)

NAME
       ykinfo - Get basic information from a YubiKey

SYNOPSIS
       ykinfo [-s] [-m] [-nkey] [-H] [-v] [-t] [-p] [-1] [-2] [-q] [-a] [-c]
       [-V] [-h]

DESCRIPTION
       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.

OPTIONS
       -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

EXAMPLE
       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
           $

BUGS
       Report ykinfo bugs in the issue tracker
       https://github.com/Yubico/yubikey-personalization/issues

SEE ALSO
       The ykpersonalize home page
       https://developers.yubico.com/yubikey-personalization/

       YubiKeys can be obtained from Yubico http://www.yubico.com/

ykinfo                          Version 1.19.1                       YKINFO(1)