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Date:      Thu, 4 Jan 2001 10:45:35 -0600
From:      David Kelly <dkelly@hiwaay.net>
To:        Dima Dorfman <dima@unixfreak.org>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: fingerprint of ssh host pubic key?
Message-ID:  <20010104104535.B20623@grumpy.dyndns.org>
In-Reply-To: <20010104063225.12A513E02@bazooka.unixfreak.org>; from dima@unixfreak.org on Wed, Jan 03, 2001 at 10:32:20PM -0800
References:  <dkelly@HiWAAY.net> <20010104063225.12A513E02@bazooka.unixfreak.org>

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On Wed, Jan 03, 2001 at 10:32:20PM -0800, Dima Dorfman wrote:
> > When connecting via ssh to a host for the first time, ssh has the gaul
> > to ask me if an "RSA key fingerprint ..." is correct. Well, duh, how am
> > I supposed to know? I think I'm connecting to my own machine. Just how
> > might I determine the fingerprint in advance?
> 
> `ssh-keygen -lf /etc/ssh/ssh_host_key.pub` will produce something like:
> 
> 1024 6f:79:c5:5a:2f:72:5b:ef:a5:fe:b4:e9:59:43:41:80 root@hornet.unixfreak.org
> 
> The second word is what the ssh client displays when you first connect
> to somthing.  Obviously, the above command assumes that your ssh host
> key lives in /etc/ssh (which is the default).

Ah! Wonderful! That's exactly want I wanted. Works pretty good on
~/.ssh/known-hosts too.

Now to study the man page for ssh-keygen to see if I can understand
why I couldn't figure that out for myself.

--
David Kelly N4HHE, dkelly@hiwaay.net
=====================================================================
The human mind ordinarily operates at only ten percent of its
capacity -- the rest is overhead for the operating system.


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