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pages/yubikey: reformat flags of ykpersonalize

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The man page of ykpersonalize uses a confusing format for providing
option flags. After tests although not documented in the man page it is
also possible to use an alternative format using spaces between option
flag and value. Also to note: the negative form of an option flag uses a
'-' symbol right in front of the value.

Also the slot selector -1 or -2 has to be supplied before any option
flag.
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w4tsn 2023-02-18 10:48:26 +01:00
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modules/ROOT/pages/using-yubikeys.adoc
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@ -183,7 +183,7 @@ Write a static key using ykman otp static.
A more elaborate example: write a new static key to the second configuration slot using a specific AES key.
[source, bash]
[…]$ ykpersonalize -oappend-cr -a123456deadcafebeef65432112345678 -2 -o-man-update
[…]$ ykpersonalize -2 -o append-cr -a 123456deadcafebeef65432112345678 -o -man-update
This writes a static key to the YubiKey based on the 32-byte AES key specified with the -a option. The -2 option sets the second slot as target. The other two options are a matter of personal taste. The append-cr option sends a carriage return as the last character of the key. That way I do not have to press <ENTER> myself. The -man-update option disables easy updating of the static key in the YubiKey. Enabling this will allow for altering the static password without the use of ykpersonalize.