openssl-engine(1ssl)

—

Options · 7

-help	Display an option summary.
-v-vv-vvv-vvvv	Provides information about each specified engine. The first flag lists all the possible run-time control commands; the second adds a description of each command; the third adds the input flags, and the final option adds the internal input flags.
-c	Lists the capabilities of each engine.
-t	Tests if each specified engine is available, and displays the answer.
-tt	Displays an error trace for any unavailable engine.
-postcommand	These two options are cumulative, so they may be given more than once in the same command.
OPENSSL_ENGINES	The path to the engines directory.

SYNOPSIS

openssl engine [-help] [-v] [-vv] [-vvv] [-vvvv] [-c] [-t] [-tt] [-precommand] ... [-postcommand] ... [engine ...]

DESCRIPTION

This command has been deprecated. Providers should be used instead of engines.

This command is used to query the status and capabilities of the specified engines. Engines may be specified before and after all other command-line flags. Only those specified are queried.

OPTIONS

-help: Display an option summary.
-v-vv-vvv-vvvv: Provides information about each specified engine. The first flag lists all the possible run-time control commands; the second adds a description of each command; the third adds the input flags, and the final option adds the internal input flags.
-c: Lists the capabilities of each engine.
-t: Tests if each specified engine is available, and displays the answer.
-tt: Displays an error trace for any unavailable engine.
-precommand
-postcommand: These two options are cumulative, so they may be given more than once in the same command.

EXAMPLES

To list all the commands available to a dynamic engine:

bash

 $ openssl engine -t -tt -vvvv dynamic
 (dynamic) Dynamic engine loading support
      [ unavailable ]
      SO_PATH: Specifies the path to the new ENGINE shared library
           (input flags): STRING
      NO_VCHECK: Specifies to continue even if version checking fails (boolean)
           (input flags): NUMERIC
      ID: Specifies an ENGINE id name for loading
           (input flags): STRING
      LIST_ADD: Whether to add a loaded ENGINE to the internal list (0=no,1=yes,2=mandatory)
           (input flags): NUMERIC
      DIR_LOAD: Specifies whether to load from 'DIR_ADD' directories (0=no,1=yes,2=mandatory)
           (input flags): NUMERIC
      DIR_ADD: Adds a directory from which ENGINEs can be loaded
           (input flags): STRING
      LOAD: Load up the ENGINE specified by other settings
           (input flags): NO_INPUT

To list the capabilities of the rsax engine:

bash

 $ openssl engine -c
 (rsax) RSAX engine support
  [RSA]
 (dynamic) Dynamic engine loading support

ENVIRONMENT

OPENSSL_ENGINES: The path to the engines directory.

HISTORY

This command was 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>.