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SPEED(1) OpenSSL SPEED(1)

NAME

openssl-speed, speed - test library performance

SYNOPSIS

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

DESCRIPTION

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.

OPTIONS

-help
Print out a usage message.
-engine id
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.
-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.
-evp algo
Use the specified cipher or message digest algorithm via the EVP interface. If algo is an AEAD cipher, then you can pass <-aead> 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.
-decrypt
Time the decryption instead of encryption. Affects only the EVP testing.
-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 ; for MS-Windows, , for OpenVMS, and : for all others.
[-writerand file]
Writes random data to the specified file upon exit. This can be used with a subsequent -rand flag.
-primes num
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.
-seconds num
Run benchmarks for num seconds.
-bytes num
Run benchmarks on num-byte buffers. Affects ciphers, digests and the CSPRNG.
[zero or more test algorithms]
If any options are given, speed tests those algorithms, otherwise a pre-compiled grand selection is tested.

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 <https://www.openssl.org/source/license.html>.
2019-02-26 1.1.1b

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