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1fdd2470b625a58b57d0b155e6caf8c4fc0afe8aAutomatic Updater - Copyright (C) 2008-2012, 2014, 2015 Internet Systems Consortium, Inc. ("ISC")
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein - Permission to use, copy, modify, and/or distribute this software for any
4a14ce5ba00ab7bc55c99ffdcf59c7a4ab902721Automatic Updater - purpose with or without fee is hereby granted, provided that the above
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e21a2904f02a03fa06b6db04d348f65fe9c67b2bMark Andrews<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<a name="man.dnssec-dsfromkey"></a><div class="titlepage"></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><span class="application">dnssec-dsfromkey</span> — DNSSEC DS RR generation tool</p>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="cmdsynopsis"><p><code class="command">dnssec-dsfromkey</code> [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] [<code class="option">-1</code>] [<code class="option">-2</code>] [<code class="option">-a <em class="replaceable"><code>alg</code></em></code>] [<code class="option">-C</code>] [<code class="option">-l <em class="replaceable"><code>domain</code></em></code>] [<code class="option">-T <em class="replaceable"><code>TTL</code></em></code>] {keyfile}</p></div>
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews<div class="cmdsynopsis"><p><code class="command">dnssec-dsfromkey</code> {-s} [<code class="option">-1</code>] [<code class="option">-2</code>] [<code class="option">-a <em class="replaceable"><code>alg</code></em></code>] [<code class="option">-K <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-l <em class="replaceable"><code>domain</code></em></code>] [<code class="option">-s</code>] [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-T <em class="replaceable"><code>TTL</code></em></code>] [<code class="option">-f <em class="replaceable"><code>file</code></em></code>] [<code class="option">-A</code>] [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] {dnsname}</p></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="cmdsynopsis"><p><code class="command">dnssec-dsfromkey</code> [<code class="option">-h</code>] [<code class="option">-V</code>]</p></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><span class="command"><strong>dnssec-dsfromkey</strong></span>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein outputs the Delegation Signer (DS) resource record (RR), as defined in
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein RFC 3658 and RFC 4509, for the given key(s).
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="variablelist"><dl class="variablelist">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Use SHA-1 as the digest algorithm (the default is to use
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein both SHA-1 and SHA-256).
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Use SHA-256 as the digest algorithm.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Select the digest algorithm. The value of
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="option">algorithm</code> must be one of SHA-1 (SHA1),
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein SHA-256 (SHA256), GOST or SHA-384 (SHA384).
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater These values are case insensitive.
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Generate CDS records rather than DS records. This is mutually
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein exclusive with generating lookaside records.
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater<dt><span class="term">-T <em class="replaceable"><code>TTL</code></em></span></dt>
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Specifies the TTL of the DS records.
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater<dt><span class="term">-K <em class="replaceable"><code>directory</code></em></span></dt>
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Look for key files (or, in keyset mode,
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater <code class="filename">keyset-</code> files) in
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term">-f <em class="replaceable"><code>file</code></em></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Zone file mode: in place of the keyfile name, the argument is
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein the DNS domain name of a zone master file, which can be read
a1ad6695ed6f988406cf155aa26376f84f73bcb9Automatic Updater from <code class="option">file</code>. If the zone name is the same as
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater <code class="option">file</code>, then it may be omitted.
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater If <code class="option">file</code> is set to <code class="literal">"-"</code>, then
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater the zone data is read from the standard input. This makes it
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater possible to use the output of the <span class="command"><strong>dig</strong></span>
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater command as input, as in:
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater <strong class="userinput"><code>dig dnskey example.com | dnssec-dsfromkey -f - example.com</code></strong>
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Include ZSKs when generating DS records. Without this option,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein only keys which have the KSK flag set will be converted to DS
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein records and printed. Useful only in zone file mode.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term">-l <em class="replaceable"><code>domain</code></em></span></dt>
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater Generate a DLV set instead of a DS set. The specified
2895f101b5585a19015ac2c2c1e1812ac467fa12Automatic Updater <code class="option">domain</code> is appended to the name for each
7208386cd37a2092c70eddf80cf29519b16c4c80Mark Andrews record in the set.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The DNSSEC Lookaside Validation (DLV) RR is described
507151045be68c671ffd4e2f37e17cdfa0376fc4Automatic Updater in RFC 4431. This is mutually exclusive with generating
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews Keyset mode: in place of the keyfile name, the argument is
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews the DNS domain name of a keyset file.
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Specifies the DNS class (default is IN). Useful only
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein in keyset or zone file mode.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews Sets the debugging level.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Prints usage information.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Prints version information.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein To build the SHA-256 DS RR from the
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <strong class="userinput"><code>Kexample.com.+003+26160</code></strong>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein keyfile name, the following command would be issued:
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><strong class="userinput"><code>dnssec-dsfromkey -2 Kexample.com.+003+26160</code></strong>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The command would print something like:
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><strong class="userinput"><code>example.com. IN DS 26160 5 2 3A1EADA7A74B8D0BA86726B0C227AA85AB8BBD2B2004F41A868A54F0 C5EA0B94</code></strong>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The keyfile can be designed by the key identification
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="filename">Knnnn.+aaa+iiiii</code> or the full file name
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="filename">Knnnn.+aaa+iiiii.key</code> as generated by
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="refentrytitle">dnssec-keygen</span>(8).
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The keyset file name is built from the <code class="option">directory</code>,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein the string <code class="filename">keyset-</code> and the
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein A keyfile error can give a "file not found" even if the file exists.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<p><span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <em class="citetitle">BIND 9 Administrator Reference Manual</em>,