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.\"	from @(#)make_keypair.8	8.2 (Berkeley) 12/11/93
.\"	$OpenBSD: make_keypair.8,v 1.2 1997/05/30 03:11:33 gene Exp $
.\"
.Dd December 11, 1993
.Dt MAKE_KEYPAIR 8
.Os
.Sh NAME
.Nm make_keypair
.Nd generate Kerberos host key pair
.Sh SYNOPSIS
.Nm make_keypair
.Ar hostname
.Op Ar hostname ...
.Sh DESCRIPTION
The
.Nm make_keypair
command
is used to create pairs of
.Tn DES
keys for
each
.Ar hostname .
The keys are used by privileged programs such as
.Xr register 1
to make remote updates to the Kerberos database without
having to have first acquired a Kerberos ticket granting ticket
.Pq Tn TGT .
The keys created by
.Nm make_keypair
are placed (by hand) in the filesystems of the
kerberos server in
.Pa /etc/kerberosIV/register_keys ,
and in the root directory of the clients.
For example, the file
.Pa /.update.key128.32.130.3
would
contain a copy of the key of the client with
IP address 128.32.130.3.
These keys provide a shared secret which may be used to establish
a secure channel between the client hosts and the Kerberos server.
.Sh FILES
.Bl -tag -width /etc/kerberosIV/register_keysxx -compact
.It Pa /.update.keyxx.xx.xx.xx
shared
.Tn DES
key with server
.It Pa /etc/kerberosIV/register_keys
server's key storage directory
.El
.Sh SEE ALSO
.Xr register 1 ,
.Xr registerd 8 ,
.Xr kerberos 1
.Sh HISTORY
The
.Nm make_keypair
utility first appeared in 4.4BSD.