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.\" Copyright 1989 by the Massachusetts Institute of Technology.
.\"
.\" For copying and distribution information,
.\" please see the file <mit-copyright.h>.
.\"
.\" $Id: kdb_util.8,v 1.1 1995/12/14 06:52:42 tholo Exp $
.TH KDB_UTIL 8 "Kerberos Version 4.0" "MIT Project Athena"
.SH NAME
kdb_util \- Kerberos key distribution center database utility
.SH SYNOPSIS
kdb_util
.B operation filename
.SH DESCRIPTION
.I kdb_util
allows the Kerberos key distribution center (KDC) database administrator to
perform utility functions on the database.
.PP
.I Operation
must be one of the following:
.TP 10n
.I load
initializes the KDC database with the records described by the
text contained in the file
.IR filename .
Any existing database is overwritten.
.TP
.I dump
dumps the KDC database into a text representation in the file
.IR filename .
.TP
.I slave_dump
performs a database dump like the
.I dump
operation, and additionally creates a semaphore file signalling the
propagation software that an update is available for distribution to
slave KDC databases.
.TP
.I new_master_key
prompts for the old and new master key strings, and then dumps the KDC
database into a text representation in the file
.IR filename .
The keys in the text representation are encrypted in the new master key.
.TP
.I convert_old_db
prompts for the master key string, and then dumps the KDC database into
a text representation in the file
.IR filename .
The existing database is assumed to be encrypted using the old format
(encrypted by the key schedule of the master key); the dumped database
is encrypted using the new format (encrypted directly with master key).
.PP
.SH DIAGNOSTICS
.TP 20n
"verify_master_key: Invalid master key, does not match database."
The master key string entered was incorrect.
.SH FILES
.TP 20n
/kerberos/principal.pag, /kerberos/principal.dir
DBM files containing database
.TP
.IR filename .ok
semaphore file created by
.IR slave_dump.
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