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ldns-keygen(1)									   ldns-keygen(1)

NAME
       ldns-keygen - generate a DNSSEC key pair

SYNOPSIS
       ldns-keygen [ OPTION ] DOMAIN

DESCRIPTION
       ldns-keygen  is	used  to  generate  a  private/public keypair. When run, it will create 3
       files; a .key file with the public DNSKEY, a .private file with the private keydata and	a
       .ds with the DS record of the DNSKEY record.

       ldns-keygen  can  also be used to create symmetric keys (for TSIG) by selecting the appro-
       priate algorithm: hmac-md5.sig-alg.reg.int, hmac-sha1 or hmac-sha256.  In that case no  DS
       record will be created and no .ds file.

       ldns-keygen prints the basename for the key files: K<name>+<alg>+<id>

OPTIONS
       -a <algorithm>
	      Create  a key with this algorithm. Specifying 'list' here gives a list of supported
	      algorithms.  Several alias names are also accepted (from older versions  and  other
	      software),  the  list  gives  names  from  the  RFC.  Also the plain algo number is
	      accepted.

       -b <bits>
	      Use this many bits for the key length.

       -k     When given, generate a key signing key. This  just  sets	the  flag  field  to  257
	      instead of 256 in the DNSKEY RR in the .key file.

       -r device
	      Make ldns-keygen use this file to seed the random generator with. This will default
	      to /dev/random.

       -v     Show the version and exit

AUTHOR
       Written by the ldns team as an example for ldns usage.

REPORTING BUGS
       Report bugs to <ldns-team@nlnetlabs.nl>.

COPYRIGHT
       Copyright (C) 2005-2008 NLnet Labs. This is free software. There is NO warranty; not  even
       for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

					   27 May 2008				   ldns-keygen(1)
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