Man page - ykinfo(1)

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Package: yubikey-personalization
apt-get install yubikey-personalization

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yubikey-personalization

Manual

YKINFO

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLE
BUGS
SEE ALSO

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