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+<!--
+ - Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ -
+ - This Source Code Form is subject to the terms of the Mozilla Public
+ - License, v. 2.0. If a copy of the MPL was not distributed with this
+ - file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -
+ - See the COPYRIGHT file distributed with this work for additional
+ - information regarding copyright ownership.
+-->
+
+<!-- Converted by db4-upgrade version 1.0 -->
+<refentry xmlns:db="http://docbook.org/ns/docbook" version="5.0" xml:id="man.dnssec-dsfromkey">
+ <info>
+ <date>2012-05-02</date>
+ </info>
+ <refentryinfo>
+ <corpname>ISC</corpname>
+ <corpauthor>Internet Systems Consortium, Inc.</corpauthor>
+ </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>
+ <year>2009</year>
+ <year>2010</year>
+ <year>2011</year>
+ <year>2012</year>
+ <year>2014</year>
+ <year>2015</year>
+ <year>2016</year>
+ <year>2018</year>
+ <year>2019</year>
+ <holder>Internet Systems Consortium, Inc. ("ISC")</holder>
+ </copyright>
+ </docinfo>
+
+ <refsynopsisdiv>
+ <cmdsynopsis sepchar=" ">
+ <command>dnssec-dsfromkey</command>
+ <arg choice="opt" rep="norepeat"><option>-v <replaceable class="parameter">level</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-1</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-2</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-a <replaceable class="parameter">alg</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-C</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-l <replaceable class="parameter">domain</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-T <replaceable class="parameter">TTL</replaceable></option></arg>
+ <arg choice="req" rep="norepeat">keyfile</arg>
+ </cmdsynopsis>
+ <cmdsynopsis sepchar=" ">
+ <command>dnssec-dsfromkey</command>
+ <arg choice="req" rep="norepeat">-s</arg>
+ <arg choice="opt" rep="norepeat"><option>-1</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-2</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-a <replaceable class="parameter">alg</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-K <replaceable class="parameter">directory</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-l <replaceable class="parameter">domain</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-s</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-c <replaceable class="parameter">class</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-T <replaceable class="parameter">TTL</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-f <replaceable class="parameter">file</replaceable></option></arg>
+ <arg choice="opt" rep="norepeat"><option>-A</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-v <replaceable class="parameter">level</replaceable></option></arg>
+ <arg choice="req" rep="norepeat">dnsname</arg>
+ </cmdsynopsis>
+ <cmdsynopsis sepchar=" ">
+ <command>dnssec-dsfromkey</command>
+ <arg choice="opt" rep="norepeat"><option>-h</option></arg>
+ <arg choice="opt" rep="norepeat"><option>-V</option></arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsection><info><title>DESCRIPTION</title></info>
+
+ <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>
+ </refsection>
+
+ <refsection><info><title>OPTIONS</title></info>
+
+
+ <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),
+ SHA-256 (SHA256), GOST or SHA-384 (SHA384).
+ These values are case insensitive.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-C</term>
+ <listitem>
+ <para>
+ Generate CDS records rather than DS records. This is mutually
+ exclusive with generating lookaside records.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-T <replaceable class="parameter">TTL</replaceable></term>
+ <listitem>
+ <para>
+ Specifies the TTL of the DS records.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-K <replaceable class="parameter">directory</replaceable></term>
+ <listitem>
+ <para>
+ Look for key files (or, in keyset mode,
+ <filename>keyset-</filename> files) in
+ <option>directory</option>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-f <replaceable class="parameter">file</replaceable></term>
+ <listitem>
+ <para>
+ 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 <option>file</option>. If the zone name is the same as
+ <option>file</option>, then it may be omitted.
+ </para>
+ <para>
+ If <option>file</option> is set to <literal>"-"</literal>, then
+ the zone data is read from the standard input. This makes it
+ possible to use the output of the <command>dig</command>
+ command as input, as in:
+ </para>
+ <para>
+ <userinput>dig dnskey example.com | dnssec-dsfromkey -f - example.com</userinput>
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-A</term>
+ <listitem>
+ <para>
+ Include ZSKs 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 mode.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-l <replaceable class="parameter">domain</replaceable></term>
+ <listitem>
+ <para>
+ Generate a DLV set instead of a DS set. The specified
+ <option>domain</option> is appended to the name for each
+ record in the set.
+ The DNSSEC Lookaside Validation (DLV) RR is described
+ in RFC 4431. This is mutually exclusive with generating
+ CDS records.
+ </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.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-c <replaceable class="parameter">class</replaceable></term>
+ <listitem>
+ <para>
+ Specifies the DNS class (default is IN). Useful only
+ in keyset or zone file mode.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-v <replaceable class="parameter">level</replaceable></term>
+ <listitem>
+ <para>
+ Sets the debugging level.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-h</term>
+ <listitem>
+ <para>
+ Prints usage information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-V</term>
+ <listitem>
+ <para>
+ Prints version information.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsection>
+
+ <refsection><info><title>EXAMPLE</title></info>
+
+ <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>
+ </refsection>
+
+ <refsection><info><title>FILES</title></info>
+
+ <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>
+ </refsection>
+
+ <refsection><info><title>CAVEAT</title></info>
+
+ <para>
+ A keyfile error can give a "file not found" even if the file exists.
+ </para>
+ </refsection>
+
+ <refsection><info><title>SEE ALSO</title></info>
+
+ <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 4431</citetitle>.
+ <citetitle>RFC 4509</citetitle>.
+ </para>
+ </refsection>
+
+</refentry>