{ "content": [ { "type": "text", "text": "# OPENSSL-ENGINE (man)\n\n## NAME\n\nopenssl-engine - load and query engines\n\n## SYNOPSIS\n\nopenssl engine [-help] [-v] [-vv] [-vvv] [-vvvv] [-c] [-t] [-tt] [-pre command] ... [-post\ncommand] ... [engine ...]\n\n## DESCRIPTION\n\nThis command has been deprecated. Providers should be used instead of engines.\n\n## Sections\n\n- **NAME**\n- **SYNOPSIS**\n- **DESCRIPTION**\n- **OPTIONS** (7 subsections)\n- **EXAMPLES**\n- **ENVIRONMENT**\n- **SEE ALSO**\n- **HISTORY**\n- **COPYRIGHT**\n\nUse structuredContent.sections for detailed options, examples, and full documentation.\n" } ], "structuredContent": { "command": "OPENSSL-ENGINE", "section": "", "mode": "man", "summary": "openssl-engine - load and query engines", "synopsis": "openssl engine [-help] [-v] [-vv] [-vvv] [-vvvv] [-c] [-t] [-tt] [-pre command] ... [-post\ncommand] ... [engine ...]", "tldr_summary": null, "tldr_examples": [], "tldr_source": null, "flags": [ { "flag": "", "long": null, "arg": null, "description": "Display an option summary." }, { "flag": "-v", "long": null, "arg": null, "description": "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." }, { "flag": "-c", "long": null, "arg": null, "description": "" }, { "flag": "-t", "long": null, "arg": null, "description": "" }, { "flag": "", "long": null, "arg": null, "description": "" }, { "flag": "", "long": null, "arg": null, "description": "" }, { "flag": "", "long": null, "arg": null, "description": "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. 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:", "$ openssl engine -t -tt -vvvv dynamic", "(dynamic) Dynamic engine loading support", "[ unavailable ]", "SOPATH: Specifies the path to the new ENGINE shared library", "(input flags): STRING", "NOVCHECK: Specifies to continue even if version checking fails (boolean)", "(input flags): NUMERIC", "ID: Specifies an ENGINE id name for loading", "(input flags): STRING", "LISTADD: Whether to add a loaded ENGINE to the internal list (0=no,1=yes,2=mandatory)", "(input flags): NUMERIC", "DIRLOAD: Specifies whether to load from 'DIRADD' directories (0=no,1=yes,2=mandatory)", "(input flags): NUMERIC", "DIRADD: Adds a directory from which ENGINEs can be loaded", "(input flags): STRING", "LOAD: Load up the ENGINE specified by other settings", "(input flags): NOINPUT", "To list the capabilities of the rsax engine:", "$ openssl engine -c", "(rsax) RSAX engine support", "[RSA]", "(dynamic) Dynamic engine loading support" ], "see_also": [ { "name": "openssl", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/openssl/1/json" }, { "name": "config", "section": "5", "url": "https://www.chedong.com/phpMan.php/man/config/5/json" } ], "section_outline": [ { "name": "NAME", "lines": 2, "subsections": [] }, { "name": "SYNOPSIS", "lines": 3, "subsections": [] }, { "name": "DESCRIPTION", "lines": 6, "subsections": [] }, { "name": "OPTIONS", "lines": 1, "subsections": [ { "name": "-help", "lines": 2 }, { "name": "-v -vv -vvv -vvvv", "lines": 4, "flag": "-v" }, { "name": "-c", "lines": 1, "flag": "-c" }, { "name": "-t", "lines": 1, "flag": "-t" }, { "name": "-tt", "lines": 1 }, { "name": "-pre _", "lines": 1 }, { "name": "-post _", "lines": 8 } ] }, { "name": "EXAMPLES", "lines": 27, "subsections": [] }, { "name": "ENVIRONMENT", "lines": 3, "subsections": [] }, { "name": "SEE ALSO", "lines": 2, "subsections": [] }, { "name": "HISTORY", "lines": 2, "subsections": [] }, { "name": "COPYRIGHT", "lines": 7, "subsections": [] } ], "sections": { "NAME": { "content": "openssl-engine - load and query engines\n", "subsections": [] }, "SYNOPSIS": { "content": "openssl engine [-help] [-v] [-vv] [-vvv] [-vvvv] [-c] [-t] [-tt] [-pre command] ... [-post\ncommand] ... [engine ...]\n", "subsections": [] }, "DESCRIPTION": { "content": "This command has been deprecated. Providers should be used instead of engines.\n\nThis command is used to query the status and capabilities of the specified engines. Engines\nmay be specified before and after all other command-line flags. Only those specified are\nqueried.\n", "subsections": [] }, "OPTIONS": { "content": "", "subsections": [ { "name": "-help", "content": "Display an option summary.\n" }, { "name": "-v -vv -vvv -vvvv", "content": "Provides information about each specified engine. The first flag lists all the possible\nrun-time control commands; the second adds a description of each command; the third adds\nthe input flags, and the final option adds the internal input flags.\n", "flag": "-v" }, { "name": "-c", "content": "", "flag": "-c" }, { "name": "-t", "content": "", "flag": "-t" }, { "name": "-tt", "content": "" }, { "name": "-pre _", "content": "" }, { "name": "-post _", "content": "Command-line configuration of engines. The -pre command is given to the engine before it\nis loaded and the -post command is given after the engine is loaded. The command is of\nthe form cmd:val where cmd is the command, and val is the value for the command. See the\nexample below.\n\nThese two options are cumulative, so they may be given more than once in the same\ncommand.\n" } ] }, "EXAMPLES": { "content": "To list all the commands available to a dynamic engine:\n\n$ openssl engine -t -tt -vvvv dynamic\n(dynamic) Dynamic engine loading support\n[ unavailable ]\nSOPATH: Specifies the path to the new ENGINE shared library\n(input flags): STRING\nNOVCHECK: Specifies to continue even if version checking fails (boolean)\n(input flags): NUMERIC\nID: Specifies an ENGINE id name for loading\n(input flags): STRING\nLISTADD: Whether to add a loaded ENGINE to the internal list (0=no,1=yes,2=mandatory)\n(input flags): NUMERIC\nDIRLOAD: Specifies whether to load from 'DIRADD' directories (0=no,1=yes,2=mandatory)\n(input flags): NUMERIC\nDIRADD: Adds a directory from which ENGINEs can be loaded\n(input flags): STRING\nLOAD: Load up the ENGINE specified by other settings\n(input flags): NOINPUT\n\nTo list the capabilities of the rsax engine:\n\n$ openssl engine -c\n(rsax) RSAX engine support\n[RSA]\n(dynamic) Dynamic engine loading support\n", "subsections": [] }, "ENVIRONMENT": { "content": "OPENSSLENGINES\nThe path to the engines directory.\n", "subsections": [] }, "SEE ALSO": { "content": "openssl(1), config(5)\n", "subsections": [] }, "HISTORY": { "content": "This command was deprecated in OpenSSL 3.0.\n", "subsections": [] }, "COPYRIGHT": { "content": "Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.\n\nLicensed under the Apache License 2.0 (the \"License\"). You may not use this file except in\ncompliance with the License. You can obtain a copy in the file LICENSE in the source\ndistribution or at .\n\n3.0.13 2026-07-29 OPENSSL-ENGINE(1SSL)", "subsections": [] } } } }