ykinfo [-s] [-m] [-nkey] [-H] [-v] [-t] [-p] [-1] [-2] [-q] [-a] [-c] [-V] [-h]
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.
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-s
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get the serial number and output it. |
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-m
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get the serial number and output it as modhex. |
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-nkey
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read from the nth key found. |
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-H
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get the serial number and output it as hex. |
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-v
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get the version and output it. |
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-t
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get the touch level and output it. |
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-p
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get the programming sequence and output it. |
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-1
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get the status of slot 1, 1 for programmed and 0 for empty. |
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-2
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get the status of slot 2, 1 for programmed and 0 for empty. |
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-a
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get all the information above. |
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-c
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get YubiKey capability information. |
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-q
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modifier, only show the relevant data from the YubiKey, no extra information. |
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-V
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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/