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60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein - Copyright (C) 2004-2015 Internet Systems Consortium, Inc. ("ISC")
75c0816e8295e180f4bc7f10db3d0d880383bc1cMark Andrews - Copyright (C) 2000-2003 Internet Software Consortium.
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5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<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>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<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>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<p><span><strong class="command">dnssec-dsfromkey</strong></span>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews outputs the Delegation Signer (DS) resource record (RR), as defined in
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews RFC 3658 and RFC 4509, for the given key(s).
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Use SHA-1 as the digest algorithm (the default is to use
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein both SHA-1 and SHA-256).
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Use SHA-256 as the digest algorithm.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews 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).
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein These values are case insensitive.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Generate CDS records rather than DS records. This is mutually
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein exclusive with generating lookaside records.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="term">-T <em class="replaceable"><code>TTL</code></em></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Specifies the TTL of the DS records.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term">-K <em class="replaceable"><code>directory</code></em></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Look for key files (or, in keyset mode,
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
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews from <code class="option">file</code>. If the zone name is the same as
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <code class="option">file</code>, then it may be omitted.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews If <code class="option">file</code> is set to <code class="literal">"-"</code>, then
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews the zone data is read from the standard input. This makes it
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein possible to use the output of the <span><strong class="command">dig</strong></span>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews command as input, as in:
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <strong class="userinput"><code>dig dnskey example.com | dnssec-dsfromkey -f - example.com</code></strong>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Include ZSKs when generating DS records. Without this option,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein only keys which have the KSK flag set will be converted to DS
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews 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>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Generate a DLV set instead of a DS set. The specified
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="option">domain</code> is appended to the name for each
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews record in the set.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The DNSSEC Lookaside Validation (DLV) RR is described
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein in RFC 4431. This is mutually exclusive with generating
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein CDS records.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Keyset mode: in place of the keyfile name, the argument is
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews the DNS domain name of a keyset file.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Specifies the DNS class (default is IN). Useful only
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein in keyset or zone file mode.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Sets the debugging level.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews 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:
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<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
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <code class="filename">Knnnn.+aaa+iiiii.key</code> as generated by
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="refentrytitle">dnssec-keygen</span>(8).
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews The keyset file name is built from the <code class="option">directory</code>,
7208386cd37a2092c70eddf80cf29519b16c4c80Mark Andrews 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.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <em class="citetitle">BIND 9 Administrator Reference Manual</em>,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<p><span class="corpauthor">Internet Systems Consortium</span>
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