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65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington<tr><th colspan="3" align="center"><span class="application">dnssec-keyfromlabel</span></th></tr>
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cf7084cf20623b8a2d7da2cc101288f2cf516d67Craig McDonnell<td width="20%" align="left">
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857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<hr>
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857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<div class="refentry" lang="en">
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<a name="man.dnssec-keyfromlabel"></a><div class="titlepage"></div>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<div class="refnamediv">
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<h2>Name</h2>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<p><span class="application">dnssec-keyfromlabel</span> &#8212; DNSSEC key generation tool</p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan</div>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<div class="refsynopsisdiv">
cf7084cf20623b8a2d7da2cc101288f2cf516d67Craig McDonnell<h2>Synopsis</h2>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<div class="cmdsynopsis"><p><code class="command">dnssec-keyfromlabel</code> {-l <em class="replaceable"><code>label</code></em>} [<code class="option">-3</code>] [<code class="option">-a <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-A <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-D <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-E <em class="replaceable"><code>engine</code></em></code>] [<code class="option">-f <em class="replaceable"><code>flag</code></em></code>] [<code class="option">-G</code>] [<code class="option">-I <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-k</code>] [<code class="option">-K <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-n <em class="replaceable"><code>nametype</code></em></code>] [<code class="option">-P <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-p <em class="replaceable"><code>protocol</code></em></code>] [<code class="option">-R <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-t <em class="replaceable"><code>type</code></em></code>] [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] [<code class="option">-y</code>] {name}</p></div>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan</div>
cf7084cf20623b8a2d7da2cc101288f2cf516d67Craig McDonnell<div class="refsect1" lang="en">
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<a name="id2612278"></a><h2>DESCRIPTION</h2>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<p><span><strong class="command">dnssec-keyfromlabel</strong></span>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan gets keys with the given label from a crypto hardware and builds
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan key files for DNSSEC (Secure DNS), as defined in RFC 2535
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan and RFC 4034.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p>
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington<p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan The <code class="option">name</code> of the key is specified on the command
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan line. This must match the name of the zone for which the key is
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan being generated.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p>
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington</div>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<div class="refsect1" lang="en">
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<a name="id2612366"></a><h2>OPTIONS</h2>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<div class="variablelist"><dl>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington<dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Selects the cryptographic algorithm. The value of
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan <code class="option">algorithm</code> must be one of RSAMD5, RSASHA1,
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256 or RSASHA512.
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington These values are case insensitive.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan If no algorithm is specified, then RSASHA1 will be used by
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan default, unless the <code class="option">-3</code> option is specified,
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington in which case NSEC3RSASHA1 will be used instead. (If
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan <code class="option">-3</code> is used and an algorithm is specified,
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan that algorithm will be checked for compatibility with NSEC3.)
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<p>
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan algorithm, and DSA is recommended.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Note 2: DH automatically sets the -k flag.
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington </p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan</dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-3</span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Use an NSEC3-capable algorithm to generate a DNSSEC key.
669362f1b4a40a59cfe461728c8765dbdf63159fPhill Cunnington If this option is used and no algorithm is explicitly
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan set on the command line, NSEC3RSASHA1 will be used by
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan default.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington<dt><span class="term">-E <em class="replaceable"><code>engine</code></em></span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Specifies the name of the crypto hardware (OpenSSL engine).
669362f1b4a40a59cfe461728c8765dbdf63159fPhill Cunnington When compiled with PKCS#11 support it defaults to "pkcs11".
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-l <em class="replaceable"><code>label</code></em></span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Specifies the label of the key pair in the crypto hardware.
669362f1b4a40a59cfe461728c8765dbdf63159fPhill Cunnington The label may be preceded by an optional OpenSSL engine name,
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan separated by a colon, as in "pkcs11:keylabel".
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-n <em class="replaceable"><code>nametype</code></em></span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington Specifies the owner type of the key. The value of
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan <code class="option">nametype</code> must either be ZONE (for a DNSSEC
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan a host (KEY)),
65aec3bcc15efc129284b5f4b6ea08df488018a9Phill Cunnington USER (for a key associated with a user(KEY)) or OTHER (DNSKEY).
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan These values are case insensitive.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-C</span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Compatibility mode: generates an old-style key, without
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan any metadata. By default, <span><strong class="command">dnssec-keyfromlabel</strong></span>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan will include the key's creation date in the metadata stored
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan with the private key, and other dates may be set there as well
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan (publication date, activation date, etc). Keys that include
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan this data may be incompatible with older versions of BIND; the
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan <code class="option">-C</code> option suppresses them.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Indicates that the DNS record containing the key should have
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan the specified class. If not specified, class IN is used.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-f <em class="replaceable"><code>flag</code></em></span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Set the specified flag in the flag field of the KEY/DNSKEY record.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan The only recognized flags are KSK (Key Signing Key) and REVOKE.
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan </p></dd>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dt><span class="term">-G</span></dt>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan<dd><p>
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan Generate a key, but do not publish it or sign with it. This
857bccfd8dc68379dcdc70acd07c6966dea365d5Dirk Hogan option is incompatible with -P and -A.
</p></dd>
<dt><span class="term">-h</span></dt>
<dd><p>
Prints a short summary of the options and arguments to
<span><strong class="command">dnssec-keyfromlabel</strong></span>.
</p></dd>
<dt><span class="term">-K <em class="replaceable"><code>directory</code></em></span></dt>
<dd><p>
Sets the directory in which the key files are to be written.
</p></dd>
<dt><span class="term">-k</span></dt>
<dd><p>
Generate KEY records rather than DNSKEY records.
</p></dd>
<dt><span class="term">-p <em class="replaceable"><code>protocol</code></em></span></dt>
<dd><p>
Sets the protocol value for the key. The protocol
is a number between 0 and 255. The default is 3 (DNSSEC).
Other possible values for this argument are listed in
RFC 2535 and its successors.
</p></dd>
<dt><span class="term">-t <em class="replaceable"><code>type</code></em></span></dt>
<dd><p>
Indicates the use of the key. <code class="option">type</code> must be
one of AUTHCONF, NOAUTHCONF, NOAUTH, or NOCONF. The default
is AUTHCONF. AUTH refers to the ability to authenticate
data, and CONF the ability to encrypt data.
</p></dd>
<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
<dd><p>
Sets the debugging level.
</p></dd>
<dt><span class="term">-y</span></dt>
<dd><p>
Allows DNSSEC key files to be generated even if the key ID
would collide with that of an existing key, in the event of
either key being revoked. (This is only safe to use if you
are sure you won't be using RFC 5011 trust anchor maintenance
with either of the keys involved.)
</p></dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2612734"></a><h2>TIMING OPTIONS</h2>
<p>
Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS.
If the argument begins with a '+' or '-', it is interpreted as
an offset from the present time. For convenience, if such an offset
is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi',
then the offset is computed in years (defined as 365 24-hour days,
ignoring leap years), months (defined as 30 24-hour days), weeks,
days, hours, or minutes, respectively. Without a suffix, the offset
is computed in seconds.
</p>
<div class="variablelist"><dl>
<dt><span class="term">-P <em class="replaceable"><code>date/offset</code></em></span></dt>
<dd><p>
Sets the date on which a key is to be published to the zone.
After that date, the key will be included in the zone but will
not be used to sign it. If not set, and if the -G option has
not been used, the default is "now".
</p></dd>
<dt><span class="term">-A <em class="replaceable"><code>date/offset</code></em></span></dt>
<dd><p>
Sets the date on which the key is to be activated. After that
date, the key will be included in the zone and used to sign
it. If not set, and if the -G option has not been used, the
default is "now".
</p></dd>
<dt><span class="term">-R <em class="replaceable"><code>date/offset</code></em></span></dt>
<dd><p>
Sets the date on which the key is to be revoked. After that
date, the key will be flagged as revoked. It will be included
in the zone and will be used to sign it.
</p></dd>
<dt><span class="term">-U <em class="replaceable"><code>date/offset</code></em></span></dt>
<dd><p>
Sets the date on which the key is to be retired. After that
date, the key will still be included in the zone, but it
will not be used to sign it.
</p></dd>
<dt><span class="term">-D <em class="replaceable"><code>date/offset</code></em></span></dt>
<dd><p>
Sets the date on which the key is to be deleted. After that
date, the key will no longer be included in the zone. (It
may remain in the key repository, however.)
</p></dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2614198"></a><h2>GENERATED KEY FILES</h2>
<p>
When <span><strong class="command">dnssec-keyfromlabel</strong></span> completes
successfully,
it prints a string of the form <code class="filename">Knnnn.+aaa+iiiii</code>
to the standard output. This is an identification string for
the key files it has generated.
</p>
<div class="itemizedlist"><ul type="disc">
<li><p><code class="filename">nnnn</code> is the key name.
</p></li>
<li><p><code class="filename">aaa</code> is the numeric representation
of the algorithm.
</p></li>
<li><p><code class="filename">iiiii</code> is the key identifier (or
footprint).
</p></li>
</ul></div>
<p><span><strong class="command">dnssec-keyfromlabel</strong></span>
creates two files, with names based
on the printed string. <code class="filename">Knnnn.+aaa+iiiii.key</code>
contains the public key, and
<code class="filename">Knnnn.+aaa+iiiii.private</code> contains the
private key.
</p>
<p>
The <code class="filename">.key</code> file contains a DNS KEY record
that
can be inserted into a zone file (directly or with a $INCLUDE
statement).
</p>
<p>
The <code class="filename">.private</code> file contains
algorithm-specific
fields. For obvious security reasons, this file does not have
general read permission.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2614360"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
<em class="citetitle">BIND 9 Administrator Reference Manual</em>,
<em class="citetitle">RFC 4034</em>.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2614393"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
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