openssl-list(1ssl) - phpMan

OPENSSL-LIST(1SSL) OpenSSL OPENSSL-LIST(1SSL)

NAME
openssl-list - list algorithms and features

SYNOPSIS
openssl list [-help] [-verbose] [-select name] [-1] [-commands] [-standard-commands]
[-digest-algorithms] [-digest-commands] [-kdf-algorithms] [-mac-algorithms]
[-random-instances] [-random-generators] [-cipher-algorithms] [-cipher-commands]
[-encoders] [-decoders] [-key-managers] [-key-exchange-algorithms] [-kem-algorithms]
[-signature-algorithms] [-asymcipher-algorithms] [-public-key-algorithms]
[-public-key-methods] [-store-loaders] [-providers] [-engines] [-disabled] [-objects]
[-options command] [-provider name] [-provider-path path] [-propquery propq]

DESCRIPTION
This command is used to generate list of algorithms or disabled features.

OPTIONS
-help
Display a usage message.

-verbose
Displays extra information. The options below where verbosity applies say a bit more
about what that means.

-select name
Only list algorithms that match this name.

-1 List the commands, digest-commands, or cipher-commands in a single column. If used,
this option must be given first.

-commands
Display a list of standard commands.

-standard-commands
List of standard commands.

-digest-commands
This option is deprecated. Use digest-algorithms instead.

Display a list of message digest commands, which are typically used as input to the
openssl-dgst(1) or openssl-speed(1) commands.

-cipher-commands
This option is deprecated. Use cipher-algorithms instead.

Display a list of cipher commands, which are typically used as input to the
openssl-enc(1) or openssl-speed(1) commands.

-digest-algorithms, -kdf-algorithms, -mac-algorithms, -cipher-algorithms
Display a list of cipher, digest, kdf and mac algorithms. See "Display of algorithm
names" for a description of how names are displayed.

In verbose mode, the algorithms provided by a provider will get additional information
on what parameters each implementation supports.

-random-instances
List the primary, public and private random number generator details.

-random-generators
Display a list of random number generators. See "Display of algorithm names" for a
description of how names are displayed.

-encoders
Display a list of encoders. See "Display of algorithm names" for a description of how
names are displayed.

In verbose mode, the algorithms provided by a provider will get additional information
on what parameters each implementation supports.

-decoders
Display a list of decoders. See "Display of algorithm names" for a description of how
names are displayed.

In verbose mode, the algorithms provided by a provider will get additional information
on what parameters each implementation supports.

-public-key-algorithms
Display a list of public key algorithms, with each algorithm as a block of multiple
lines, all but the first are indented. The options key-exchange-algorithms, kem-
algorithms, signature-algorithms, and asymcipher-algorithms will display similar info.

-public-key-methods
Display a list of public key methods.

-key-managers
Display a list of key managers.

-key-exchange-algorithms
Display a list of key exchange algorithms.

-kem-algorithms
Display a list of key encapsulation algorithms.

-signature-algorithms
Display a list of signature algorithms.

-asymcipher-algorithms
Display a list of asymmetric cipher algorithms.

-store-loaders
Display a list of store loaders.

-providers
Display a list of all loaded providers with their names, version and status.

In verbose mode, the full version and all provider parameters will additionally be
displayed.

-engines
This option is deprecated.

Display a list of loaded engines.

-disabled
Display a list of disabled features, those that were compiled out of the installation.

-objects
Display a list of built in objects, i.e. OIDs with names. They're listed in the
format described in "ASN1 Object Configuration Module" in config(5).

-options command
Output a two-column list of the options accepted by the specified command. The first
is the option name, and the second is a one-character indication of what type of
parameter it takes, if any. This is an internal option, used for checking that the
documentation is complete.

-provider name
-provider-path path
-propquery propq
See "Provider Options" in openssl(1), provider(7), and property(7).

Display of algorithm names
Algorithm names may be displayed in one of two manners:

Legacy implementations
Legacy implementations will simply display the main name of the algorithm on a line of
its own, or in the form "<foo " bar>> to show that "foo" is an alias for the main
name, "bar"

Provided implementations
Implementations from a provider are displayed like this if the implementation is
labeled with a single name:

foo @ bar

or like this if it's labeled with multiple names:

{ foo1, foo2 } @bar

In both cases, "bar" is the name of the provider.

HISTORY
The -engines, -digest-commands, and -cipher-commands options were deprecated in OpenSSL
3.0.

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>.

3.0.2 2025-09-18 OPENSSL-LIST(1SSL)

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