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+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
+ [<!ENTITY mdash "&#8212;">]>
+<!--
+ - Copyright (C) 2008 Internet Systems Consortium, Inc. ("ISC")
+ -
+ - Permission to use, copy, modify, and/or distribute this software for any
+ - purpose with or without fee is hereby granted, provided that the above
+ - copyright notice and this permission notice appear in all copies.
+ -
+ - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ - PERFORMANCE OF THIS SOFTWARE.
+-->
+
+<!-- $Id: dnssec-dsfromkey.docbook,v 1.6 2008/11/07 13:54:11 jreed Exp $ -->
+<refentry id="man.dnssec-dsfromkey">
+ <refentryinfo>
+ <date>November 29, 2008</date>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle><application>dnssec-dsfromkey</application></refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo>BIND9</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+ <refname><application>dnssec-dsfromkey</application></refname>
+ <refpurpose>DNSSEC DS RR generation tool</refpurpose>
+ </refnamediv>
+
+ <docinfo>
+ <copyright>
+ <year>2008</year>
+ <holder>Internet Systems Consortium, Inc. ("ISC")</holder>
+ </copyright>
+ </docinfo>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>dnssec-dsfromkey</command>
+ <arg><option>-v <replaceable class="parameter">level</replaceable></option></arg>
+ <arg><option>-1</option></arg>
+ <arg><option>-2</option></arg>
+ <arg><option>-a <replaceable class="parameter">alg</replaceable></option></arg>
+ <arg choice="req">keyfile</arg>
+ </cmdsynopsis>
+ <cmdsynopsis>
+ <command>dnssec-dsfromkey</command>
+ <arg choice="req">-s</arg>
+ <arg><option>-v <replaceable class="parameter">level</replaceable></option></arg>
+ <arg><option>-1</option></arg>
+ <arg><option>-2</option></arg>
+ <arg><option>-a <replaceable class="parameter">alg</replaceable></option></arg>
+ <arg><option>-c <replaceable class="parameter">class</replaceable></option></arg>
+ <arg><option>-d <replaceable class="parameter">dir</replaceable></option></arg>
+ <arg choice="req">dnsname</arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>DESCRIPTION</title>
+ <para><command>dnssec-dsfromkey</command>
+ outputs the Delegation Signer (DS) resource record (RR), as defined in
+ RFC 3658 and RFC 4509, for the given key(s).
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>OPTIONS</title>
+
+ <variablelist>
+ <varlistentry>
+ <term>-1</term>
+ <listitem>
+ <para>
+ Use SHA-1 as the digest algorithm (the default is to use
+ both SHA-1 and SHA-256).
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-2</term>
+ <listitem>
+ <para>
+ Use SHA-256 as the digest algorithm.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-a <replaceable class="parameter">algorithm</replaceable></term>
+ <listitem>
+ <para>
+ Select the digest algorithm. The value of
+ <option>algorithm</option> must be one of SHA-1 (SHA1) or
+ SHA-256 (SHA256). These values are case insensitive.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-v <replaceable class="parameter">level</replaceable></term>
+ <listitem>
+ <para>
+ Sets the debugging level.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-s</term>
+ <listitem>
+ <para>
+ 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.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-c <replaceable class="parameter">class</replaceable></term>
+ <listitem>
+ <para>
+ Specifies the DNS class (default is IN), useful only
+ in the keyset mode.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-d <replaceable class="parameter">directory</replaceable></term>
+ <listitem>
+ <para>
+ Look for <filename>keyset</filename> files in
+ <option>directory</option> as the directory, ignored when
+ not in the keyset mode.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>EXAMPLE</title>
+ <para>
+ To build the SHA-256 DS RR from the
+ <userinput>Kexample.com.+003+26160</userinput>
+ keyfile name, the following command would be issued:
+ </para>
+ <para><userinput>dnssec-dsfromkey -2 Kexample.com.+003+26160</userinput>
+ </para>
+ <para>
+ The command would print something like:
+ </para>
+ <para><userinput>example.com. IN DS 26160 5 2 3A1EADA7A74B8D0BA86726B0C227AA85AB8BBD2B2004F41A868A54F0 C5EA0B94</userinput>
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>FILES</title>
+ <para>
+ The keyfile can be designed by the key identification
+ <filename>Knnnn.+aaa+iiiii</filename> or the full file name
+ <filename>Knnnn.+aaa+iiiii.key</filename> as generated by
+ <refentrytitle>dnssec-keygen</refentrytitle><manvolnum>8</manvolnum>.
+ </para>
+ <para>
+ The keyset file name is built from the <option>directory</option>,
+ the string <filename>keyset-</filename> and the
+ <option>dnsname</option>.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>CAVEAT</title>
+ <para>
+ A keyfile error can give a "file not found" even if the file exists.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>SEE ALSO</title>
+ <para><citerefentry>
+ <refentrytitle>dnssec-keygen</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>dnssec-signzone</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citetitle>BIND 9 Administrator Reference Manual</citetitle>,
+ <citetitle>RFC 3658</citetitle>,
+ <citetitle>RFC 4509</citetitle>.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>AUTHOR</title>
+ <para><corpauthor>Internet Systems Consortium</corpauthor>
+ </para>
+ </refsect1>
+
+</refentry><!--
+ - Local variables:
+ - mode: sgml
+ - End:
+-->