dnssec-dsfromkey man page on FreeBSD

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DNSSEC-DSFROMKEY(8)		     BIND9		   DNSSEC-DSFROMKEY(8)

NAME
       dnssec-dsfromkey - DNSSEC DS RR generation tool

SYNOPSIS
       dnssec-dsfromkey [-v level] [-1] [-2] [-a alg] {keyfile}

       dnssec-dsfromkey {-s} [-v level] [-1] [-2] [-a alg] [-c class] [-d dir]
			{dnsname}

DESCRIPTION
       dnssec-dsfromkey outputs the Delegation Signer (DS) resource record
       (RR), as defined in RFC 3658 and RFC 4509, for the given key(s).

OPTIONS
       -1
	   Use SHA-1 as the digest algorithm (the default is to use both SHA-1
	   and SHA-256).

       -2
	   Use SHA-256 as the digest algorithm.

       -a algorithm
	   Select the digest algorithm. The value of algorithm must be one of
	   SHA-1 (SHA1) or SHA-256 (SHA256). These values are case
	   insensitive.

       -v level
	   Sets the debugging level.

       -s
	   Keyset mode: in place of the keyfile name, the argument is the DNS
	   domain name of a keyset file. Following options make sense only in
	   this mode.

       -c class
	   Specifies the DNS class (default is IN), useful only in the keyset
	   mode.

       -d directory
	   Look for keyset files in directory as the directory, ignored when
	   not in the keyset mode.

EXAMPLE
       To build the SHA-256 DS RR from the Kexample.com.+003+26160 keyfile
       name, the following command would be issued:

       dnssec-dsfromkey -2 Kexample.com.+003+26160

       The command would print something like:

       example.com. IN DS 26160 5 2
       3A1EADA7A74B8D0BA86726B0C227AA85AB8BBD2B2004F41A868A54F0 C5EA0B94

FILES
       The keyfile can be designed by the key identification Knnnn.+aaa+iiiii
       or the full file name Knnnn.+aaa+iiiii.key as generated by
       dnssec-keygen(8).

       The keyset file name is built from the directory, the string keyset-
       and the dnsname.

CAVEAT
       A keyfile error can give a "file not found" even if the file exists.

SEE ALSO
       dnssec-keygen(8), dnssec-signzone(8), BIND 9 Administrator Reference
       Manual, RFC 3658, RFC 4509.

AUTHOR
       Internet Systems Consortium

COPYRIGHT
       Copyright © 2008 Internet Systems Consortium, Inc. ("ISC")

BIND9			       November 29, 2008	   DNSSEC-DSFROMKEY(8)
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