1OPENSSL-ENGINE(1ossl)               OpenSSL              OPENSSL-ENGINE(1ossl)
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NAME

6       openssl-engine - load and query engines
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SYNOPSIS

9       openssl engine [-help] [-v] [-vv] [-vvv] [-vvvv] [-c] [-t] [-tt] [-pre
10       command] ...  [-post command] ...  [engine ...]
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DESCRIPTION

13       This command has been deprecated.  Providers should be used instead of
14       engines.
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16       This command is used to query the status and capabilities of the
17       specified engines.  Engines may be specified before and after all other
18       command-line flags.  Only those specified are queried.
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OPTIONS

21       -help
22           Display an option summary.
23
24       -v -vv -vvv -vvvv
25           Provides information about each specified engine. The first flag
26           lists all the possible run-time control commands; the second adds a
27           description of each command; the third adds the input flags, and
28           the final option adds the internal input flags.
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30       -c  Lists the capabilities of each engine.
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32       -t  Tests if each specified engine is available, and displays the
33           answer.
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35       -tt Displays an error trace for any unavailable engine.
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37       -pre command
38       -post command
39           Command-line configuration of engines.  The -pre command is given
40           to the engine before it is loaded and the -post command is given
41           after the engine is loaded.  The command is of the form cmd:val
42           where cmd is the command, and val is the value for the command.
43           See the example below.
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45           These two options are cumulative, so they may be given more than
46           once in the same command.
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EXAMPLES

49       To list all the commands available to a dynamic engine:
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51        $ openssl engine -t -tt -vvvv dynamic
52        (dynamic) Dynamic engine loading support
53             [ unavailable ]
54             SO_PATH: Specifies the path to the new ENGINE shared library
55                  (input flags): STRING
56             NO_VCHECK: Specifies to continue even if version checking fails (boolean)
57                  (input flags): NUMERIC
58             ID: Specifies an ENGINE id name for loading
59                  (input flags): STRING
60             LIST_ADD: Whether to add a loaded ENGINE to the internal list (0=no,1=yes,2=mandatory)
61                  (input flags): NUMERIC
62             DIR_LOAD: Specifies whether to load from 'DIR_ADD' directories (0=no,1=yes,2=mandatory)
63                  (input flags): NUMERIC
64             DIR_ADD: Adds a directory from which ENGINEs can be loaded
65                  (input flags): STRING
66             LOAD: Load up the ENGINE specified by other settings
67                  (input flags): NO_INPUT
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69       To list the capabilities of the rsax engine:
70
71        $ openssl engine -c
72        (rsax) RSAX engine support
73         [RSA]
74        (dynamic) Dynamic engine loading support
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ENVIRONMENT

77       OPENSSL_ENGINES
78           The path to the engines directory.
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SEE ALSO

81       openssl(1), config(5)
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HISTORY

84       This command was deprecated in OpenSSL 3.0.
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87       Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
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89       Licensed under the Apache License 2.0 (the "License").  You may not use
90       this file except in compliance with the License.  You can obtain a copy
91       in the file LICENSE in the source distribution or at
92       <https://www.openssl.org/source/license.html>.
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963.1.1                             2023-08-31             OPENSSL-ENGINE(1ossl)
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