OPENSSL-SPEED(1ossl) OpenSSL OPENSSL-SPEED(1ossl) NAME openssl-speed - test library performance SYNOPSIS openssl speed [-help] [-config filename] [-elapsed] [-evp algo] [-hmac algo] [-cmac algo] [-mb] [-aead] [-kem-algorithms] [-signature-algorithms] [-multi num] [-async_jobs num] [-misalign num] [-decrypt] [-primes num] [-seconds num] [-bytes num] [-mr] [-mlock] [-testmode] [-rand files] [-writerand file] [-provider name] [-provider-path path] [-provparam [name:]key=value] [-propquery propq] [algorithm ...] DESCRIPTION This command is used to test the performance of cryptographic algorithms. OPTIONS -help Print out a usage message. -config filename Specifies the configuration file to use. Optional; for a description of the default value, see "COMMAND SUMMARY" in openssl(1). -elapsed When calculating operations- or bytes-per-second, use wall-clock time instead of CPU user time as divisor. -evp algo Use the specified cipher or message digest algorithm via the EVP inter- face. 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. To see the algorithms supported with this option, use "openssl list -digest-algorithms" or "openssl list -cipher-algorithms" command. -multi num Run multiple operations in parallel. -async_jobs num Enable async mode and start specified number of jobs. -misalign num Misalign the buffers by the specified number of bytes. -hmac digest Time the HMAC algorithm using the specified message digest. -cmac cipher Time the CMAC algorithm using the specified cipher e.g. "openssl speed -cmac aes128". -decrypt Time the decryption instead of encryption. Affects only the EVP test- ing. -mb Enable multi-block mode on EVP-named cipher. -aead Benchmark EVP-named AEAD cipher in TLS-like sequence. -kem-algorithms Benchmark KEM algorithms: key generation, encapsulation, decapsulation. -signature-algorithms Benchmark signature algorithms: key generation, signature, verifica- tion. -primes num Generate a num-prime RSA key and use it to run the benchmarks. This op- tion 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. The limit on the size of the buffer is INT_MAX - 64 bytes, which for a 32-bit int would be 2147483583 bytes. -mr Produce the summary in a mechanical, machine-readable, format. -mlock Lock memory into RAM for more deterministic measurements. -testmode Runs the speed command in testmode. Runs only 1 iteration of each algo- rithm test regardless of any -seconds value. In the event that any op- eration fails then the speed command will return with a failure result. -rand files, -writerand file See "Random State Options" in openssl(1) for details. -provider name -provider-path path -provparam [name:]key=value -propquery propq See "Provider Options" in openssl(1), provider(7), and property(7). algorithm ... If any algorithm is given, then those algorithms are tested, otherwise a pre-compiled grand selection is tested. BUGS The algorithm can be selected only from a pre-compiled subset of things that the "openssl speed" command knows about. To test any additional digest or cipher algorithm supported by OpenSSL use the "-evp" option. There is no way to test the speed of any additional public key algorithms supported by third party providers with the "openssl speed" command. HISTORY The -engine option was deprecated in OpenSSL 3.0. DSA512 was removed in OpenSSL 3.2. The -testmode option was added in OpenSSL 3.4. The -engine option was removed in OpenSSL 4.0. COPYRIGHT Copyright 2000-2024 The OpenSSL Project Authors. All Rights Reserved. Licensed under the Apache License 2.0 (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>. 4.0.2 2026-08-25 OPENSSL-SPEED(1ossl)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | BUGS | HISTORY | COPYRIGHT
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