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147 lines
3.5 KiB
Plaintext
147 lines
3.5 KiB
Plaintext
=pod
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{- OpenSSL::safe::output_do_not_edit_headers(); -}
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=head1 NAME
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openssl-speed - test library performance
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=head1 SYNOPSIS
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B<openssl speed>
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[B<-help>]
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[B<-elapsed>]
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[B<-evp> I<algo>]
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[B<-hmac> I<algo>]
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[B<-cmac> I<algo>]
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[B<-mb>]
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[B<-aead>]
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[B<-multi> I<num>]
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[B<-async_jobs> I<num>]
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[B<-misalign> I<num>]
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[B<-decrypt>]
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[B<-primes> I<num>]
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[B<-seconds> I<num>]
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[B<-bytes> I<num>]
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[B<-mr>]
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{- $OpenSSL::safe::opt_r_synopsis -}
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{- $OpenSSL::safe::opt_engine_synopsis -}{- $OpenSSL::safe::opt_provider_synopsis -}
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[I<algorithm> ...]
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=head1 DESCRIPTION
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This command is used to test the performance of cryptographic algorithms.
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=head1 OPTIONS
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=over 4
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=item B<-help>
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Print out a usage message.
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=item B<-elapsed>
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When calculating operations- or bytes-per-second, use wall-clock time
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instead of CPU user time as divisor. It can be useful when testing speed
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of hardware engines.
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=item B<-evp> I<algo>
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Use the specified cipher or message digest algorithm via the EVP interface.
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If I<algo> is an AEAD cipher, then you can pass B<-aead> to benchmark a
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TLS-like sequence. And if I<algo> is a multi-buffer capable cipher, e.g.
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aes-128-cbc-hmac-sha1, then B<-mb> will time multi-buffer operation.
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To see the algorithms supported with this option, use
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C<openssl list -digest-algorithms> or C<openssl list -cipher-algorithms>
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command.
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=item B<-multi> I<num>
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Run multiple operations in parallel.
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=item B<-async_jobs> I<num>
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Enable async mode and start specified number of jobs.
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=item B<-misalign> I<num>
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Misalign the buffers by the specified number of bytes.
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=item B<-hmac> I<digest>
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Time the HMAC algorithm using the specified message digest.
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=item B<-cmac> I<cipher>
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Time the CMAC algorithm using the specified cipher e.g.
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C<openssl speed -cmac aes128>.
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=item B<-decrypt>
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Time the decryption instead of encryption. Affects only the EVP testing.
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=item B<-mb>
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Enable multi-block mode on EVP-named cipher.
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=item B<-aead>
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Benchmark EVP-named AEAD cipher in TLS-like sequence.
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=item B<-primes> I<num>
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Generate a I<num>-prime RSA key and use it to run the benchmarks. This option
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is only effective if RSA algorithm is specified to test.
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=item B<-seconds> I<num>
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Run benchmarks for I<num> seconds.
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=item B<-bytes> I<num>
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Run benchmarks on I<num>-byte buffers. Affects ciphers, digests and the CSPRNG.
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The limit on the size of the buffer is INT_MAX - 64 bytes, which for a 32-bit
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int would be 2147483583 bytes.
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=item B<-mr>
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Produce the summary in a mechanical, machine-readable, format.
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{- $OpenSSL::safe::opt_r_item -}
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{- $OpenSSL::safe::opt_engine_item -}
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{- $OpenSSL::safe::opt_provider_item -}
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=item I<algorithm> ...
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If any I<algorithm> is given, then those algorithms are tested, otherwise a
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pre-compiled grand selection is tested.
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=back
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=head1 BUGS
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The I<algorithm> can be selected only from a pre-compiled subset of things
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that the C<openssl speed> command knows about. To test any additional digest
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or cipher algorithm supported by OpenSSL use the C<-evp> option.
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There is no way to test the speed of any additional public key algorithms
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supported by third party providers with the C<openssl speed> command.
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=head1 HISTORY
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The B<-engine> option was deprecated in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2000-2022 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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