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&lt;title&gt;speed&lt;/title&gt;
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&lt;ul id=&quot;index&quot;&gt;
  &lt;li&gt;&lt;a href=&quot;#NAME&quot;&gt;NAME&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;#SYNOPSIS&quot;&gt;SYNOPSIS&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;#DESCRIPTION&quot;&gt;DESCRIPTION&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;#OPTIONS&quot;&gt;OPTIONS&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href=&quot;#COPYRIGHT&quot;&gt;COPYRIGHT&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;

&lt;h1 id=&quot;NAME&quot;&gt;NAME&lt;/h1&gt;

&lt;p&gt;openssl-speed, speed - test library performance&lt;/p&gt;

&lt;h1 id=&quot;SYNOPSIS&quot;&gt;SYNOPSIS&lt;/h1&gt;

&lt;p&gt;&lt;b&gt;openssl speed&lt;/b&gt; [&lt;b&gt;-help&lt;/b&gt;] [&lt;b&gt;-engine id&lt;/b&gt;] [&lt;b&gt;-elapsed&lt;/b&gt;] [&lt;b&gt;-evp algo&lt;/b&gt;] [&lt;b&gt;-decrypt&lt;/b&gt;] [&lt;b&gt;-rand file...&lt;/b&gt;] [&lt;b&gt;-writerand file&lt;/b&gt;] [&lt;b&gt;-primes num&lt;/b&gt;] [&lt;b&gt;-seconds num&lt;/b&gt;] [&lt;b&gt;-bytes num&lt;/b&gt;] [&lt;b&gt;algorithm...&lt;/b&gt;]&lt;/p&gt;

&lt;h1 id=&quot;DESCRIPTION&quot;&gt;DESCRIPTION&lt;/h1&gt;

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

&lt;h1 id=&quot;OPTIONS&quot;&gt;OPTIONS&lt;/h1&gt;

&lt;dl&gt;

&lt;dt id=&quot;help&quot;&gt;&lt;b&gt;-help&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Print out a usage message.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;engine-id&quot;&gt;&lt;b&gt;-engine id&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Specifying an engine (by its unique &lt;b&gt;id&lt;/b&gt; string) will cause &lt;b&gt;speed&lt;/b&gt; 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.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;elapsed&quot;&gt;&lt;b&gt;-elapsed&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;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.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;evp-algo&quot;&gt;&lt;b&gt;-evp algo&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

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

&lt;/dd&gt;
&lt;dt id=&quot;decrypt&quot;&gt;&lt;b&gt;-decrypt&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Time the decryption instead of encryption. Affects only the EVP testing.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;rand-file&quot;&gt;&lt;b&gt;-rand file...&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;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 &lt;b&gt;;&lt;/b&gt; for MS-Windows, &lt;b&gt;,&lt;/b&gt; for OpenVMS, and &lt;b&gt;:&lt;/b&gt; for all others.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;writerand-file&quot;&gt;[&lt;b&gt;-writerand file&lt;/b&gt;]&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Writes random data to the specified &lt;i&gt;file&lt;/i&gt; upon exit. This can be used with a subsequent &lt;b&gt;-rand&lt;/b&gt; flag.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;primes-num&quot;&gt;&lt;b&gt;-primes num&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Generate a &lt;b&gt;num&lt;/b&gt;-prime RSA key and use it to run the benchmarks. This option is only effective if RSA algorithm is specified to test.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;seconds-num&quot;&gt;&lt;b&gt;-seconds num&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Run benchmarks for &lt;b&gt;num&lt;/b&gt; seconds.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;bytes-num&quot;&gt;&lt;b&gt;-bytes num&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;Run benchmarks on &lt;b&gt;num&lt;/b&gt;-byte buffers. Affects ciphers, digests and the CSPRNG.&lt;/p&gt;

&lt;/dd&gt;
&lt;dt id=&quot;zero-or-more-test-algorithms&quot;&gt;&lt;b&gt;[zero or more test algorithms]&lt;/b&gt;&lt;/dt&gt;
&lt;dd&gt;

&lt;p&gt;If any options are given, &lt;b&gt;speed&lt;/b&gt; tests those algorithms, otherwise a pre-compiled grand selection is tested.&lt;/p&gt;

&lt;/dd&gt;
&lt;/dl&gt;

&lt;h1 id=&quot;COPYRIGHT&quot;&gt;COPYRIGHT&lt;/h1&gt;

&lt;p&gt;Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.&lt;/p&gt;

&lt;p&gt;Licensed under the OpenSSL license (the &amp;quot;License&amp;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 &lt;a href=&quot;https://www.openssl.org/source/license.html&quot;&gt;https://www.openssl.org/source/license.html&lt;/a&gt;.&lt;/p&gt;


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