openssl-prebuild/linux_amd64/share/doc/openssl/html/man1/pkeyparam.html

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<title>pkeyparam</title>
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<li><a href="#name">NAME</a></li>
<li><a href="#synopsis">SYNOPSIS</a></li>
<li><a href="#description">DESCRIPTION</a></li>
<li><a href="#options">OPTIONS</a></li>
<li><a href="#examples">EXAMPLES</a></li>
<li><a href="#notes">NOTES</a></li>
<li><a href="#see_also">SEE ALSO</a></li>
<li><a href="#copyright">COPYRIGHT</a></li>
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<h1><a name="name">NAME</a></h1>
<p>openssl-pkeyparam,
pkeyparam - public key algorithm parameter processing tool</p>
<p>
</p>
<hr />
<h1><a name="synopsis">SYNOPSIS</a></h1>
<p><strong>openssl</strong> <strong>pkeyparam</strong>
[<strong>-help</strong>]
[<strong>-in filename</strong>]
[<strong>-out filename</strong>]
[<strong>-text</strong>]
[<strong>-noout</strong>]
[<strong>-engine id</strong>]
[<strong>-check</strong>]</p>
<p>
</p>
<hr />
<h1><a name="description">DESCRIPTION</a></h1>
<p>The <strong>pkeyparam</strong> command processes public key algorithm parameters.
They can be checked for correctness and their components printed out.</p>
<p>
</p>
<hr />
<h1><a name="options">OPTIONS</a></h1>
<dl>
<dt><strong><a name="help" class="item"><strong>-help</strong></a></strong></dt>
<dd>
<p>Print out a usage message.</p>
</dd>
<dt><strong><a name="in_filename" class="item"><strong>-in filename</strong></a></strong></dt>
<dd>
<p>This specifies the input filename to read parameters from or standard input if
this option is not specified.</p>
</dd>
<dt><strong><a name="out_filename" class="item"><strong>-out filename</strong></a></strong></dt>
<dd>
<p>This specifies the output filename to write parameters to or standard output if
this option is not specified.</p>
</dd>
<dt><strong><a name="text" class="item"><strong>-text</strong></a></strong></dt>
<dd>
<p>Prints out the parameters in plain text in addition to the encoded version.</p>
</dd>
<dt><strong><a name="noout" class="item"><strong>-noout</strong></a></strong></dt>
<dd>
<p>Do not output the encoded version of the parameters.</p>
</dd>
<dt><strong><a name="engine_id" class="item"><strong>-engine id</strong></a></strong></dt>
<dd>
<p>Specifying an engine (by its unique <strong>id</strong> string) will cause <strong>pkeyparam</strong>
to attempt to obtain a functional reference to the specified engine,
thus initialising it if needed. The engine will then be set as the default
for all available algorithms.</p>
</dd>
<dt><strong><a name="check" class="item"><strong>-check</strong></a></strong></dt>
<dd>
<p>This option checks the correctness of parameters.</p>
</dd>
</dl>
<p>
</p>
<hr />
<h1><a name="examples">EXAMPLES</a></h1>
<p>Print out text version of parameters:</p>
<pre>
openssl pkeyparam -in param.pem -text</pre>
<p>
</p>
<hr />
<h1><a name="notes">NOTES</a></h1>
<p>There are no <strong>-inform</strong> or <strong>-outform</strong> options for this command because only
PEM format is supported because the key type is determined by the PEM headers.</p>
<p>
</p>
<hr />
<h1><a name="see_also">SEE ALSO</a></h1>
<p><em>genpkey(1)</em>, <em>rsa(1)</em>, <em>pkcs8(1)</em>,
<em>dsa(1)</em>, <em>genrsa(1)</em>, <em>gendsa(1)</em></p>
<p>
</p>
<hr />
<h1><a name="copyright">COPYRIGHT</a></h1>
<p>Copyright 2006-2019 The OpenSSL Project Authors. All Rights Reserved.</p>
<p>Licensed under the OpenSSL license (the &quot;License&quot;). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
<a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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