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//opt/cpanel/ea-openssl11/share/doc/openssl/html/man1/speed.html

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<ul id="index">
 <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="#COPYRIGHT">COPYRIGHT</a></li>
</ul>

openssl-speed, speed - test library performance

<h1 id="SYNOPSIS">SYNOPSIS</h1>

openssl speed [-help] [-engine id] [-elapsed] [-evp algo] [-decrypt] [-rand file...] [-writerand file] [-primes num] [-seconds num] [-bytes num] [algorithm...]

<h1 id="DESCRIPTION">DESCRIPTION</h1>

This command is used to test the performance of cryptographic algorithms. To see the list of supported algorithms, use the list --digest-commands or list --cipher-commands command. The global CSPRNG is denoted by the rand algorithm name.

<h1 id="OPTIONS">OPTIONS</h1>

<dl>

Print out a usage message.

</dd>
<dt id="engine-id">-engine id</dt>
<dd>

Specifying an engine (by its unique id string) will cause speed 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.

</dd>
<dt id="elapsed">-elapsed</dt>
<dd>

When calculating operations- or bytes-per-second, use wall-clock time instead of CPU user time as divisor. It can be useful when testing speed of hardware engines.

</dd>
<dt id="evp-algo">-evp algo</dt>
<dd>

Use the specified cipher or message digest algorithm via the EVP interface. If algo is an AEAD cipher, then you can pass &lt;-aead&gt; to benchmark a TLS-like sequence. And if algo is a multi-buffer capable cipher, e.g. aes-128-cbc-hmac-sha1, then -mb will time multi-buffer operation.

</dd>
<dt id="decrypt">-decrypt</dt>
<dd>

Time the decryption instead of encryption. Affects only the EVP testing.

</dd>
<dt id="rand-file">-rand file...</dt>
<dd>

A file or files containing random data used to seed the random number generator. Multiple files can be specified separated by an OS-dependent character. The separator is ; for MS-Windows, , for OpenVMS, and : for all others.

</dd>
<dt id="writerand-file">[-writerand file]</dt>
<dd>

Writes random data to the specified file upon exit. This can be used with a subsequent -rand flag.

</dd>
<dt id="primes-num">-primes num</dt>
<dd>

Generate a num-prime RSA key and use it to run the benchmarks. This option is only effective if RSA algorithm is specified to test.

</dd>
<dt id="seconds-num">-seconds num</dt>
<dd>

Run benchmarks for num seconds.

</dd>
<dt id="bytes-num">-bytes num</dt>
<dd>

Run benchmarks on num-byte buffers. Affects ciphers, digests and the CSPRNG.

</dd>
<dt id="zero-or-more-test-algorithms">[zero or more test algorithms]</dt>
<dd>

If any options are given, speed tests those algorithms, otherwise a pre-compiled grand selection is tested.

</dd>
</dl>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

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>.

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