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42 <div class=
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43 <a name=
"man.dnssec-dsfromkey"></a><div class=
"titlepage"></div>
44 <div class=
"refnamediv">
46 <p><span class=
"application">dnssec-dsfromkey
</span> — DNSSEC DS RR generation tool
</p>
48 <div class=
"refsynopsisdiv">
50 <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">-l
<em class=
"replaceable"><code>domain
</code></em></code>] {keyfile}
</p></div>
51 <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">-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>
53 <div class=
"refsect1" lang=
"en">
54 <a name=
"id2606086"></a><h2>DESCRIPTION
</h2>
55 <p><span><strong class=
"command">dnssec-dsfromkey
</strong></span>
56 outputs the Delegation Signer (DS) resource record (RR), as defined in
57 RFC
3658 and RFC
4509, for the given key(s).
60 <div class=
"refsect1" lang=
"en">
61 <a name=
"id2606100"></a><h2>OPTIONS
</h2>
62 <div class=
"variablelist"><dl>
63 <dt><span class=
"term">-
1</span></dt>
65 Use SHA-
1 as the digest algorithm (the default is to use
66 both SHA-
1 and SHA-
256).
68 <dt><span class=
"term">-
2</span></dt>
70 Use SHA-
256 as the digest algorithm.
72 <dt><span class=
"term">-a
<em class=
"replaceable"><code>algorithm
</code></em></span></dt>
74 Select the digest algorithm. The value of
75 <code class=
"option">algorithm
</code> must be one of SHA-
1 (SHA1) or
76 SHA-
256 (SHA256). These values are case insensitive.
78 <dt><span class=
"term">-K
<em class=
"replaceable"><code>directory
</code></em></span></dt>
80 Look for key files (or, in keyset mode,
81 <code class=
"filename">keyset-
</code> files) in
82 <code class=
"option">directory
</code>.
84 <dt><span class=
"term">-f
<em class=
"replaceable"><code>file
</code></em></span></dt>
86 Zone file mode: in place of the keyfile name, the argument is
87 the DNS domain name of a zone master file, which can be read
88 from
<code class=
"option">file
</code>. If the zone name is the same as
89 <code class=
"option">file
</code>, then it may be omitted.
91 <dt><span class=
"term">-A
</span></dt>
93 Include ZSK's when generating DS records. Without this option,
94 only keys which have the KSK flag set will be converted to DS
95 records and printed. Useful only in zone file mode.
97 <dt><span class=
"term">-l
<em class=
"replaceable"><code>domain
</code></em></span></dt>
99 Generate a DLV set instead of a DS set. The specified
100 <code class=
"option">domain
</code> is appended to the name for each
102 The DNSSEC Lookaside Validation (DLV) RR is described
105 <dt><span class=
"term">-s
</span></dt>
107 Keyset mode: in place of the keyfile name, the argument is
108 the DNS domain name of a keyset file.
110 <dt><span class=
"term">-c
<em class=
"replaceable"><code>class
</code></em></span></dt>
112 Specifies the DNS class (default is IN). Useful only
113 in keyset or zone file mode.
115 <dt><span class=
"term">-v
<em class=
"replaceable"><code>level
</code></em></span></dt>
117 Sets the debugging level.
121 <div class=
"refsect1" lang=
"en">
122 <a name=
"id2606357"></a><h2>EXAMPLE
</h2>
124 To build the SHA-
256 DS RR from the
125 <strong class=
"userinput"><code>Kexample.com.+
003+
26160</code></strong>
126 keyfile name, the following command would be issued:
128 <p><strong class=
"userinput"><code>dnssec-dsfromkey -
2 Kexample.com.+
003+
26160</code></strong>
131 The command would print something like:
133 <p><strong class=
"userinput"><code>example.com. IN DS
26160 5 2 3A1EADA7A74B8D0BA86726B0C227AA85AB8BBD2B2004F41A868A54F0 C5EA0B94
</code></strong>
136 <div class=
"refsect1" lang=
"en">
137 <a name=
"id2606393"></a><h2>FILES
</h2>
139 The keyfile can be designed by the key identification
140 <code class=
"filename">Knnnn.+aaa+iiiii
</code> or the full file name
141 <code class=
"filename">Knnnn.+aaa+iiiii.key
</code> as generated by
142 <span class=
"refentrytitle">dnssec-keygen
</span>(
8).
145 The keyset file name is built from the
<code class=
"option">directory
</code>,
146 the string
<code class=
"filename">keyset-
</code> and the
147 <code class=
"option">dnsname
</code>.
150 <div class=
"refsect1" lang=
"en">
151 <a name=
"id2606571"></a><h2>CAVEAT
</h2>
153 A keyfile error can give a
"file not found" even if the file exists.
156 <div class=
"refsect1" lang=
"en">
157 <a name=
"id2606581"></a><h2>SEE ALSO
</h2>
158 <p><span class=
"citerefentry"><span class=
"refentrytitle">dnssec-keygen
</span>(
8)
</span>,
159 <span class=
"citerefentry"><span class=
"refentrytitle">dnssec-signzone
</span>(
8)
</span>,
160 <em class=
"citetitle">BIND
9 Administrator Reference Manual
</em>,
161 <em class=
"citetitle">RFC
3658</em>,
162 <em class=
"citetitle">RFC
4431</em>.
163 <em class=
"citetitle">RFC
4509</em>.
166 <div class=
"refsect1" lang=
"en">
167 <a name=
"id2606620"></a><h2>AUTHOR
</h2>
168 <p><span class=
"corpauthor">Internet Systems Consortium
</span>
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