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-=pod
-
-=head1 NAME
-
-openssl-speed,
-speed - test library performance
-
-=head1 SYNOPSIS
-
-B<openssl speed>
-[B<-help>]
-[B<-engine id>]
-[B<-elapsed>]
-[B<-evp algo>]
-[B<-decrypt>]
-[B<-rand file...>]
-[B<-writerand file>]
-[B<-primes num>]
-[B<-seconds num>]
-[B<-bytes num>]
-[B<algorithm...>]
-
-=head1 DESCRIPTION
-
-This command is used to test the performance of cryptographic algorithms.
-To see the list of supported algorithms, use the I<list --digest-commands>
-or I<list --cipher-commands> command. The global CSPRNG is denoted by
-the I<rand> algorithm name.
-
-=head1 OPTIONS
-
-=over 4
-
-=item B<-help>
-
-Print out a usage message.
-
-=item B<-engine id>
-
-Specifying an engine (by its unique B<id> string) will cause B<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.
-
-=item B<-elapsed>
-
-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.
-
-=item B<-evp algo>
-
-Use the specified cipher or message digest algorithm via the EVP interface.
-If B<algo> is an AEAD cipher, then you can pass <-aead> to benchmark a
-TLS-like sequence. And if B<algo> is a multi-buffer capable cipher, e.g.
-aes-128-cbc-hmac-sha1, then B<-mb> will time multi-buffer operation.
-
-=item B<-decrypt>
-
-Time the decryption instead of encryption. Affects only the EVP testing.
-
-=item B<-rand file...>
-
-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 B<;> for MS-Windows, B<,> for OpenVMS, and B<:> for
-all others.
-
-=item [B<-writerand file>]
-
-Writes random data to the specified I<file> upon exit.
-This can be used with a subsequent B<-rand> flag.
-
-=item B<-primes num>
-
-Generate a B<num>-prime RSA key and use it to run the benchmarks. This option
-is only effective if RSA algorithm is specified to test.
-
-=item B<-seconds num>
-
-Run benchmarks for B<num> seconds.
-
-=item B<-bytes num>
-
-Run benchmarks on B<num>-byte buffers. Affects ciphers, digests and the CSPRNG.
-
-=item B<[zero or more test algorithms]>
-
-If any options are given, B<speed> tests those algorithms, otherwise a
-pre-compiled grand selection is tested.
-
-=back
-
-=head1 COPYRIGHT
-
-Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
-
-Licensed under the OpenSSL license (the "License"). 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
-L<https://www.openssl.org/source/license.html>.
-
-=cut