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edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<div class="refentry" lang="en">
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<a name="man.dnssec-keyfromlabel"></a><div class="titlepage"></div>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<div class="refnamediv">
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<h2>Name</h2>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<p><span class="application">dnssec-keyfromlabel</span> &#8212; DNSSEC key generation tool</p>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync</div>
01ea175f55740168d1dd0af3277d3b86a30b4f91vboxsync<div class="refsynopsisdiv">
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<h2>Synopsis</h2>
9040f019271f91b98e1320c0a8c38a42636e3979vboxsync<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>] {name}</p></div>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync</div>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync<div class="refsect1" lang="en">
1b959a8e2774712c95bd7628282e9e41f0c5f03evboxsync<a name="id2606482"></a><h2>DESCRIPTION</h2>
1b959a8e2774712c95bd7628282e9e41f0c5f03evboxsync<p><span><strong class="command">dnssec-keyfromlabel</strong></span>
1b959a8e2774712c95bd7628282e9e41f0c5f03evboxsync gets keys with the given label from a crypto hardware and builds
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync key files for DNSSEC (Secure DNS), as defined in RFC 2535
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync and RFC 4034.
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync </p>
9040f019271f91b98e1320c0a8c38a42636e3979vboxsync<p>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync The <code class="option">name</code> of the key is specified on the command
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync line. This must match the name of the zone for which the key is
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync being generated.
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync </p>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync</div>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<div class="refsect1" lang="en">
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<a name="id2606502"></a><h2>OPTIONS</h2>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<div class="variablelist"><dl>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<dd>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<p>
f6bee36bd88580a116ce05e7c58e7799c599a782vboxsync Selects the cryptographic algorithm. The value of
f6bee36bd88580a116ce05e7c58e7799c599a782vboxsync <code class="option">algorithm</code> must be one of RSAMD5 (RSA),
f6bee36bd88580a116ce05e7c58e7799c599a782vboxsync RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA or DH (Diffie Hellman).
f6bee36bd88580a116ce05e7c58e7799c599a782vboxsync These values are case insensitive.
f6bee36bd88580a116ce05e7c58e7799c599a782vboxsync </p>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync<p>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync If no algorithm is specified, then RSASHA1 will be used by
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync default, unless the <code class="option">-3</code> option is specified,
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync in which case NSEC3RSASHA1 will be used instead.
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync </p>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<p>
f6bee36bd88580a116ce05e7c58e7799c599a782vboxsync Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync algorithm, and DSA is recommended.
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync </p>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync<p>
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync Note 2: DH automatically sets the -k flag.
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync </p>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync</dd>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync<dt><span class="term">-3</span></dt>
6a008ce8150c1391d9e0dda0cdf9485b3c806034vboxsync<dd><p>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync Use an NSEC3-capable algorithm to generate a DNSSEC key.
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync If this option is used and no algorithm is explicitly
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync set on the command line, NSEC3RSASHA1 will be used by
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync default.
edd67c61375d89ff863e754caff339cd1ac77b38vboxsync </p></dd>
715e49c31b15c23c17a9ce3be42a75e7c48d4b78vboxsync<dt><span class="term">-E <em class="replaceable"><code>engine</code></em></span></dt>
715e49c31b15c23c17a9ce3be42a75e7c48d4b78vboxsync<dd><p>
715e49c31b15c23c17a9ce3be42a75e7c48d4b78vboxsync Specifies the name of the crypto hardware (OpenSSL engine).
339a5a0150dcebd28f8aab6f2e3c293d95405ca9vboxsync When compiled with PKCS#11 support it defaults to "pcks11".
df8125e892bb3613b87c0852affe4578a8edb749vboxsync </p></dd>
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync<dt><span class="term">-l <em class="replaceable"><code>label</code></em></span></dt>
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync<dd><p>
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync Specifies the label of the key pair in the crypto hardware.
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync The label may be preceded by an optional OpenSSL engine name,
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync separated by a colon, as in "pkcs11:keylabel".
339a5a0150dcebd28f8aab6f2e3c293d95405ca9vboxsync </p></dd>
339a5a0150dcebd28f8aab6f2e3c293d95405ca9vboxsync<dt><span class="term">-n <em class="replaceable"><code>nametype</code></em></span></dt>
c285785ffc9f35513e0c6e7e2a05df3090dc919cvboxsync<dd><p>
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync Specifies the owner type of the key. The value of
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync <code class="option">nametype</code> must either be ZONE (for a DNSSEC
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync a host (KEY)),
fe0826de96da565f5a285504b2210f269b8a2de9vboxsync USER (for a key associated with a user(KEY)) or OTHER (DNSKEY).
7eaaa8a4480370b82ef3735994f986f338fb4df2vboxsync These values are case insensitive.
7eaaa8a4480370b82ef3735994f986f338fb4df2vboxsync </p></dd>
<dt><span class="term">-C</span></dt>
<dd><p>
Compatibility mode: generates an old-style key, without
any metadata. By default, <span><strong class="command">dnssec-keyfromlabel</strong></span>
will include the key's creation date in the metadata stored
with the private key, and other dates may be set there as well
(publication date, activation date, etc). Keys that include
this data may be incompatible with older versions of BIND; the
<code class="option">-C</code> option suppresses them.
</p></dd>
<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
<dd><p>
Indicates that the DNS record containing the key should have
the specified class. If not specified, class IN is used.
</p></dd>
<dt><span class="term">-f <em class="replaceable"><code>flag</code></em></span></dt>
<dd><p>
Set the specified flag in the flag field of the KEY/DNSKEY record.
The only recognized flags are KSK (Key Signing Key) and REVOKE.
</p></dd>
<dt><span class="term">-G</span></dt>
<dd><p>
Generate a key, but do not publish it or sign with it. This
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>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2607265"></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 and 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="id2607363"></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="id2609641"></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 2539</em>,
<em class="citetitle">RFC 2845</em>,
<em class="citetitle">RFC 4033</em>.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2609681"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
</div>
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