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da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin - Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC")
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da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<p><span class="application">dnssec-dsfromkey</span> — DNSSEC DS RR generation tool</p>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<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>] {keyfile}</p></div>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<div class="cmdsynopsis"><p><code class="command">dnssec-dsfromkey</code> {-s} [<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 <em class="replaceable"><code>class</code></em></code>] [<code class="option">-d <em class="replaceable"><code>dir</code></em></code>] {dnsname}</p></div>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<p><span><strong class="command">dnssec-dsfromkey</strong></span>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin outputs the Delegation Signer (DS) resource record (RR), as defined in
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin RFC 3658 and RFC 4509, for the given key(s).
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz Use SHA-1 as the digest algorithm (the default is to use
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin both SHA-1 and SHA-256).
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Use SHA-256 as the digest algorithm.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Select the digest algorithm. The value of
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin <code class="option">algorithm</code> must be one of SHA-1 (SHA1) or
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin SHA-256 (SHA256). These values are case insensitive.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Sets the debugging level.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Keyset mode: in place of the keyfile name, the argument is
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin the DNS domain name of a keyset file. Following options make sense
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin only in this mode.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Specifies the DNS class (default is IN), useful only
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz in the keyset mode.
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz<dt><span class="term">-d <em class="replaceable"><code>directory</code></em></span></dt>
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz Look for <code class="filename">keyset</code> files in
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz <code class="option">directory</code> as the directory, ignored when
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz not in the keyset mode.
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz To build the SHA-256 DS RR from the
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz <strong class="userinput"><code>Kexample.com.+003+26160</code></strong>
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz keyfile name, the following command would be issued:
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz<p><strong class="userinput"><code>dnssec-dsfromkey -2 Kexample.com.+003+26160</code></strong>
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz The command would print something like:
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz<p><strong class="userinput"><code>example.com. IN DS 26160 5 2 3A1EADA7A74B8D0BA86726B0C227AA85AB8BBD2B2004F41A868A54F0 C5EA0B94</code></strong>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin The keyfile can be designed by the key identification
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin <code class="filename">Knnnn.+aaa+iiiii</code> or the full file name
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin <code class="filename">Knnnn.+aaa+iiiii.key</code> as generated by
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin The keyset file name is built from the <code class="option">directory</code>,
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin the string <code class="filename">keyset-</code> and the
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz A keyfile error can give a "file not found" even if the file exists.
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz<p><span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz <span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin <em class="citetitle">BIND 9 Administrator Reference Manual</em>,
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz<p><span class="corpauthor">Internet Systems Consortium</span>
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