OPENSSL-LIST(1SSL)

📦
version 4.0.3 · 13 versions
, in ubuntu stonking

👑 OPENSSL-LIST(1SSL) 💅

okay bestie, so this is openssl-list, part of the OpenSSL manual squad. Think of it as the girl who knows everyone at the party and will absolutely read you the guest list. 💖

✨ NAME ✨

openssl-list — list algorithms and features 🦋

🌸 SYNOPSIS 🌸

openssl list [-help] [-verbose] [-select name] [-1] [-all-algorithms]
[-commands] [-standard-commands] [-digest-algorithms] [-digest-commands]
[-kdf-algorithms] [-mac-algorithms] [-random-instances]
[-random-generators] [-cipher-algorithms] [-cipher-commands] [-encoders]
[-decoders] [-key-managers] [-skey-managers] [-key-exchange-algorithms]
[-kem-algorithms] [-tls-groups] [-all-tls-groups] [-tls1_2] [-tls1_3]
[-signature-algorithms] [-tls-signature-algorithms]
[-asymcipher-algorithms] [-public-key-algorithms] [-public-key-methods]
[-store-loaders] [-providers] [-disabled] [-objects] [-options command]
[-provider name] [-provider-path path] [-provparam [name:]key=value]
[-propquery propq]

💜 DESCRIPTION 💜

So basically this command exists to generate a list of algorithms or disabled features. That's it, that's the whole gig. She's a lister. An icon. 🔥

🎀 OPTIONS 🎀

  • -help — shows you a usage message, like a lil friendly "here's how to use me bestie" 🫶
  • -verbose — spills the extra tea ☕. The options below where verbosity applies will each say a bit more about what that actually means for them.
  • -select name — only lists algorithms that match this name. Filtering. Very curated, very main character ✨
  • -1 — lists the commands, digest-commands, or cipher-commands in a single column. ⚠️ Heads up though: if you use it, this option must be given first. She's picky about her spot in line, no cap.
  • -all-algorithms — displays lists of all algorithms. And "all" means ALL, she does not skip a single one:
    • Asymmetric ciphers
    • Decoders
    • Digests
    • Encoders
    • Key derivation algorithms (KDF)
    • Key encapsulation methods (KEM)
    • Key exchange algorithms (KEX)
    • Key managers
    • Symmetric key managers
    • Message authentication code algorithms (MAC)
    • Random number generators (RNG, DRBG)
    • Signature algorithms
    • Store loaders
    • Symmetric ciphers
  • -commands — displays a list of standard commands 📋
  • -standard-commands — lists the standard commands. (Yes, she and -commands are giving twin energy, that's just how it is 💅)
  • -digest-commands — 🚨 this option is deprecated. Use digest-algorithms instead.

It displays 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.

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

  • -cipher-algorithms, -digest-algorithms, -kdf-algorithms, -mac-algorithms — displays a list of symmetric cipher, digest, kdf and mac algorithms. Peep "Display of algorithm names" below for how the names get displayed. 👀

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

  • -random-instances — lists the primary, public and private random number generator details 🎲
  • -random-generators — displays a list of random number generators. See "Display of algorithm names" for how names are displayed.
  • -encoders — displays a list of encoders. See "Display of algorithm names" for how names are displayed.

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

  • -decoders — displays a list of decoders. See "Display of algorithm names" for 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 — displays a list of public key algorithms, with each algorithm as a block of multiple lines, and 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 — displays a list of public key methods.
  • -key-managers — displays a list of key managers.
  • -skey-managers — displays a list of symmetric key managers.
  • -key-exchange-algorithms — displays a list of key exchange algorithms.
  • -kem-algorithms — displays a list of key encapsulation algorithms.
  • -tls-groups — displays a list of the IANA names of all available (implemented) TLS groups. By default the listed groups are those compatible with TLS 1.3.
  • -all-tls-groups — displays a list of the names of all available (implemented) TLS groups, including any aliases. Some groups are known under multiple names — for example, secp256r1 is also known as P-256. By default the listed groups are those compatible with TLS 1.3. Two names, one girl, she contains multitudes 🌈
  • -tls1_2 — when listing TLS groups, lists those compatible with TLS 1.2
  • -tls1_3 — when listing TLS groups, outputs those compatible with TLS 1.3. TLS 1.3 is the current default protocol version, but the default version is subject to change, so best to specify the version explicitly. (fr fr, don't leave it to fate 💀)
  • -signature-algorithms — displays a list of signature algorithms.
  • -tls-signature-algorithms — displays the list of signature algorithms available for TLS handshakes made available by all currently active providers. The output format is colon delimited in a form directly usable in SSL_CONF_cmd(3) specifying SignatureAlgorithms.
  • -asymcipher-algorithms — displays a list of asymmetric cipher algorithms.
  • -store-loaders — displays a list of store loaders.
  • -providers — displays 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.

  • -disabled — displays a list of disabled features — those that were compiled out of the installation. The ones that didn't make the cut 😭
  • -objects — displays 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 — outputs a two-column list of the options accepted by the specified command. The first column 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. (She's the proofreader, lowkey 👑)
  • -provider name, -provider-path path, -provparam [name:]key=value, -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 -digest-commands, and -cipher-commands options were deprecated in OpenSSL 3.0.
  • The -skey-managers option was added in OpenSSL 3.5.
  • The -engines option was removed in OpenSSL 4.0.

Copyright 2016-2025 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>.

okay that's the whole page bestie, you ate it up 💅✨

This version is from OpenSSL 4.0.3, dated 2026-09-29, and yeah it's the OPENSSL-LIST(1SSL) page. Go forth and list things, queen. 👑🎀
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