Benefit of User certificates?

From	Oliver <oliver@anonsphere.com>
Newsgroups	comp.security.ssh
Subject	Benefit of User certificates?
Date	2011-07-12 21:24 +0200
Organization	1&1 Internet AG
Message-ID	<ivi774$h3m$1@online.de> (permalink)

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Hi,

is there any benefit so far in using user certificates? If I send a
private key with a certificate to a user, maybe with restrictions or a
certain validity time. The user reconstructs the public key with

ssh-keygen -f ca_rsa -y

Now he is able to create a certificates without any restrictions. So
what is this feature for?

regards Oliver

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Benefit of User certificates? Oliver <oliver@anonsphere.com> - 2011-07-12 21:24 +0200
  Re: Benefit of User certificates? Richard E. Silverman <res@qoxp.net> - 2011-07-12 23:59 -0400
    Re: Benefit of User certificates? Oliver <oliver@anonsphere.com> - 2011-07-13 15:47 +0200
      Re: Benefit of User certificates? Richard E. Silverman <res@qoxp.net> - 2011-07-13 11:45 -0400
        Re: Benefit of User certificates? Oliver <oliver@anonsphere.com> - 2011-07-13 21:52 +0200

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