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NetBSD 6.1.5 - man page for dnssec-dsfromkey (netbsd section 8)


       dnssec-dsfromkey - DNSSEC DS RR generation tool

       dnssec-dsfromkey [-v level] [-1] [-2] [-a alg] [-l domain] [-T TTL] {keyfile}

       dnssec-dsfromkey {-s} [-1] [-2] [-a alg] [-K directory] [-l domain] [-s] [-c class]
			[-T TTL] [-f file] [-A] [-v level] {dnsname}

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

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

	   Use SHA-256 as the digest algorithm.

       -a algorithm
	   Select the digest algorithm. The value of algorithm must be one of SHA-1 (SHA1),
	   SHA-256 (SHA256), GOST or SHA-384 (SHA384). These values are case insensitive.

       -T TTL
	   Specifies the TTL of the DS records.

       -K directory
	   Look for key files (or, in keyset mode, keyset- files) in directory.

       -f file
	   Zone file mode: in place of the keyfile name, the argument is the DNS domain name of a
	   zone master file, which can be read from file. If the zone name is the same as file,
	   then it may be omitted.

	   If file is set to "-", then the zone data is read from the standard input. This makes
	   it possible to use the output of the dig command as input, as in:

	   dig dnskey example.com | dnssec-dsfromkey -f - example.com

	   Include ZSK's when generating DS records. Without this option, only keys which have
	   the KSK flag set will be converted to DS records and printed. Useful only in zone file

       -l domain
	   Generate a DLV set instead of a DS set. The specified domain is appended to the name
	   for each record in the set. The DNSSEC Lookaside Validation (DLV) RR is described in
	   RFC 4431.

	   Keyset mode: in place of the keyfile name, the argument is the DNS domain name of a
	   keyset file.

       -c class
	   Specifies the DNS class (default is IN). Useful only in keyset or zone file mode.

       -v level
	   Sets the debugging level.

       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

       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.

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

       dnssec-keygen(8), dnssec-signzone(8), BIND 9 Administrator Reference Manual, RFC 3658, RFC
       4431.  RFC 4509.

       Internet Systems Consortium

       Copyright (C) 2008-2012 Internet Systems Consortium, Inc. ("ISC")

BIND9					 August 26, 2009		      DNSSEC-DSFROMKEY(8)

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