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.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. . \" fudge factors for nroff and troff .if n \{\ . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] \fP .\} .if t \{\ . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff .if n \{\ . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} .if t \{\ . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' .ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E . \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' . \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} .rm #[ #] #H #V #F C .\" ======================================================================== .\" .IX Title "ENGINE 1" .TH ENGINE 1 "2026-04-16" "1.1.1w" "OpenSSL" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" openssl\-engine, engine \- load and query engines .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBopenssl engine\fR [ \fIengine...\fR ] [\fB\-v\fR] [\fB\-vv\fR] [\fB\-vvv\fR] [\fB\-vvv\fR] [\fB\-vvv\fR] [\fB\-c\fR] [\fB\-t\fR] [\fB\-tt\fR] [\fB\-pre\fR \fIcommand\fR] [\fB\-post\fR \fIcommand\fR] [ \fIengine...\fR ] .SH "DESCRIPTION" .IX Header "DESCRIPTION" The \fBengine\fR command is used to query the status and capabilities of the specified \fBengine\fR's. Engines may be specified before and after all other command-line flags. Only those specified are queried. .SH "OPTIONS" .IX Header "OPTIONS" .IP "\fB\-v\fR \fB\-vv\fR \fB\-vvv\fR \fB\-vvvv\fR" 4 .IX Item "-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. .IP "\fB\-c\fR" 4 .IX Item "-c" Lists the capabilities of each engine. .IP "\fB\-t\fR" 4 .IX Item "-t" Tests if each specified engine is available, and displays the answer. .IP "\fB\-tt\fR" 4 .IX Item "-tt" Displays an error trace for any unavailable engine. .IP "\fB\-pre\fR \fIcommand\fR" 4 .IX Item "-pre command" .PD 0 .IP "\fB\-post\fR \fIcommand\fR" 4 .IX Item "-post command" .PD Command-line configuration of engines. The \fB\-pre\fR command is given to the engine before it is loaded and the \fB\-post\fR command is given after the engine is loaded. The \fIcommand\fR is of the form \fIcmd:val\fR where \fIcmd\fR is the command, and \fIval\fR is the value for the command. See the example below. .SH "EXAMPLES" .IX Header "EXAMPLES" To list all the commands available to a dynamic engine: .PP .Vb 10 \& $ 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 \*(AqDIR_ADD\*(Aq 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 .Ve .PP To list the capabilities of the \fIrsax\fR engine: .PP .Vb 4 \& $ openssl engine \-c \& (rsax) RSAX engine support \& [RSA] \& (dynamic) Dynamic engine loading support .Ve .SH "ENVIRONMENT" .IX Header "ENVIRONMENT" .IP "\fB\s-1OPENSSL_ENGINES\s0\fR" 4 .IX Item "OPENSSL_ENGINES" The path to the engines directory. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBconfig\fR\|(5) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2016\-2019 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
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