NAME

       ykinfo - Get basic information from a YubiKey

SYNOPSIS

       ykinfo [-s] [-m] [-H] [-v] [-t] [-p] [-1] [-2] [-q] [-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.

       -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 of all 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/⟩.