Skey-Login without the possibility to login without SKey

[rembrandt <rembrandt_(_at_)_jpberlin_(_dot_)_de>]

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I tried to make it possible that users (equal if their local via keyboard or remote via SSH) only could login via SKey-Authentication.
I set up skeyinit and it works it I use name:skey.

So what I've to do? I think about editing login.conf to remove all other authenticationmethods.
But before I maybe close all doors behind me without a key to open them again I ask. :o)
Equal wich service, equal where the user is: Skey only
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