usage: genkrf [options] <zone-file> [signed-zone-file]

	<zone-file>                     name of the zone file
	[signed-zone-file]              name of the signed zone file

	options:
		-zone ZONE              name of the zone
		-krfile KEYREC          zone's keyrec file
		-algorithm ALGORITHM    encryption algorithm
		-endtime ENDTIME        end time of signature
		-random RANDOMDEV       source of randomness

		-kskcur KSK             name of the KSK
		-kskcount COUNT         count of KSKs
		-kskdir PATH            KSK directory
		-ksklength KEYLEN       KSK length
		-ksklife LIFESPAN       KSK lifespan

		-zskcur ZSKCUR          name of the current ZSK
		-zskpub ZSKPUB          name of the published ZSK
		-zskcount COUNT         count of ZSKs
		-zskdir PATH            ZSK directory
		-zsklength KEYLEN       ZSK length
		-zsklife LIFESPAN       ZSK lifespan

		-verbose                verbose output
		-Version                display version number
		-help                   help message
