228 lines
7.3 KiB
Groff
228 lines
7.3 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "OPENSSL-SPEED 1"
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.TH OPENSSL-SPEED 1 "2020-03-02" "3.0.0-dev" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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openssl\-speed \- test library performance
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fBopenssl speed\fR
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[\fB\-help\fR]
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[\fB\-elapsed\fR]
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[\fB\-evp\fR \fIalgo\fR]
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[\fB\-hmac\fR \fIalgo\fR]
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[\fB\-cmac\fR \fIalgo\fR]
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[\fB\-mb\fR]
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[\fB\-aead\fR]
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[\fB\-multi\fR \fInum\fR]
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[\fB\-async_jobs\fR \fInum\fR]
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[\fB\-misalign\fR \fInum\fR]
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[\fB\-decrypt\fR]
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[\fB\-primes\fR \fInum\fR]
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[\fB\-seconds\fR \fInum\fR]
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[\fB\-bytes\fR \fInum\fR]
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[\fB\-mr\fR]
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[\fB\-rand\fR \fIfiles\fR]
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[\fB\-writerand\fR \fIfile\fR]
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[\fB\-engine\fR \fIid\fR]
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[\fIalgorithm\fR ...]
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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This command is used to test the performance of cryptographic algorithms.
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To see the list of supported algorithms, use \f(CW\*(C`openssl list \-digest\-commands\*(C'\fR
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or \f(CW\*(C`openssl list \-cipher\-commands\*(C'\fR command. The global \s-1CSPRNG\s0 is denoted by
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the \fBrand\fR algorithm name.
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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.IP "\fB\-help\fR" 4
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.IX Item "-help"
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Print out a usage message.
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.IP "\fB\-elapsed\fR" 4
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.IX Item "-elapsed"
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When calculating operations\- or bytes-per-second, use wall-clock time
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instead of \s-1CPU\s0 user time as divisor. It can be useful when testing speed
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of hardware engines.
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.IP "\fB\-evp\fR \fIalgo\fR" 4
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.IX Item "-evp algo"
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Use the specified cipher or message digest algorithm via the \s-1EVP\s0 interface.
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If \fIalgo\fR is an \s-1AEAD\s0 cipher, then you can pass \fB\-aead\fR to benchmark a
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TLS-like sequence. And if \fIalgo\fR is a multi-buffer capable cipher, e.g.
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aes\-128\-cbc\-hmac\-sha1, then \fB\-mb\fR will time multi-buffer operation.
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.IP "\fB\-multi\fR \fInum\fR" 4
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.IX Item "-multi num"
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Run multiple operations in parallel.
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.IP "\fB\-async_jobs\fR \fInum\fR" 4
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.IX Item "-async_jobs num"
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Enable async mode and start specified number of jobs.
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.IP "\fB\-misalign\fR \fInum\fR" 4
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.IX Item "-misalign num"
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Misalign the buffers by the specified number of bytes.
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.IP "\fB\-hmac\fR \fIdigest\fR" 4
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.IX Item "-hmac digest"
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Time the \s-1HMAC\s0 algorithm using the specified message digest.
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.IP "\fB\-cmac\fR \fIcipher\fR" 4
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.IX Item "-cmac cipher"
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Time the \s-1CMAC\s0 algorithm using the specified cipher e.g.
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\&\f(CW\*(C`openssl speed \-cmac aes128\*(C'\fR.
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.IP "\fB\-decrypt\fR" 4
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.IX Item "-decrypt"
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Time the decryption instead of encryption. Affects only the \s-1EVP\s0 testing.
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.IP "\fB\-primes\fR \fInum\fR" 4
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.IX Item "-primes num"
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Generate a \fInum\fR\-prime \s-1RSA\s0 key and use it to run the benchmarks. This option
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is only effective if \s-1RSA\s0 algorithm is specified to test.
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.IP "\fB\-seconds\fR \fInum\fR" 4
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.IX Item "-seconds num"
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Run benchmarks for \fInum\fR seconds.
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.IP "\fB\-bytes\fR \fInum\fR" 4
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.IX Item "-bytes num"
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Run benchmarks on \fInum\fR\-byte buffers. Affects ciphers, digests and the \s-1CSPRNG\s0.
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.IP "\fB\-mr\fR" 4
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.IX Item "-mr"
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Produce the summary in a mechanical, machine-readable, format.
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.IP "\fB\-rand\fR \fIfiles\fR, \fB\-writerand\fR \fIfile\fR" 4
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.IX Item "-rand files, -writerand file"
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See \*(L"Random State Options\*(R" in \fIopenssl\fR\|(1) for details.
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.IP "\fB\-engine\fR \fIid\fR" 4
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.IX Item "-engine id"
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See \*(L"Engine Options\*(R" in \fIopenssl\fR\|(1).
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.IP "\fIalgorithm\fR ..." 4
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.IX Item "algorithm ..."
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If any \fIalgorithm\fR is given, then those algorithms are tested, otherwise a
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pre-compiled grand selection is tested.
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2000\-2019 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the Apache License 2.0 (the \*(L"License\*(R"). 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 \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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