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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>engine</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body> <ul id="index"> <li><a href="#NAME">NAME</a></li> <li><a href="#SYNOPSIS">SYNOPSIS</a></li> <li><a href="#DESCRIPTION">DESCRIPTION</a></li> <li><a href="#OPTIONS">OPTIONS</a></li> <li><a href="#EXAMPLES">EXAMPLES</a></li> <li><a href="#ENVIRONMENT">ENVIRONMENT</a></li> <li><a href="#SEE-ALSO">SEE ALSO</a></li> <li><a href="#COPYRIGHT">COPYRIGHT</a></li> </ul> <h1 id="NAME">NAME</h1> openssl-engine, engine - load and query engines <h1 id="SYNOPSIS">SYNOPSIS</h1> openssl engine [ engine... ] [-v] [-vv] [-vvv] [-vvv] [-vvv] [-c] [-t] [-tt] [-pre command] [-post command] [ engine... ] <h1 id="DESCRIPTION">DESCRIPTION</h1> The engine command is used to query the status and capabilities of the specified engine's. Engines may be specified before and after all other command-line flags. Only those specified are queried. <h1 id="OPTIONS">OPTIONS</h1> <dl> <dt id="v--vv--vvv--vvvv">-v -vv -vvv -vvvv</dt> <dd> 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. </dd> <dt id="c">-c</dt> <dd> Lists the capabilities of each engine. </dd> <dt id="t">-t</dt> <dd> Tests if each specified engine is available, and displays the answer. </dd> <dt id="tt">-tt</dt> <dd> Displays an error trace for any unavailable engine. </dd> <dt id="pre-command">-pre command</dt> <dd> </dd> <dt id="post-command">-post command</dt> <dd> Command-line configuration of engines. The -pre command is given to the engine before it is loaded and the -post command is given after the engine is loaded. The command is of the form cmd:val where cmd is the command, and val is the value for the command. See the example below. </dd> </dl> <h1 id="EXAMPLES">EXAMPLES</h1> To list all the commands available to a dynamic engine: <pre><code> $ 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</code></pre> To list the capabilities of the rsax engine: <pre><code> $ openssl engine -c (rsax) RSAX engine support [RSA] (dynamic) Dynamic engine loading support</code></pre> <h1 id="ENVIRONMENT">ENVIRONMENT</h1> <dl> <dt id="OPENSSL_ENGINES">OPENSSL_ENGINES</dt> <dd> The path to the engines directory. </dd> </dl> <h1 id="SEE-ALSO">SEE ALSO</h1> <a href="../man5/config.html">config(5)</a> <h1 id="COPYRIGHT">COPYRIGHT</h1> Copyright 2016-2019 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 <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>. </body> </html>