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Manual: openssl-version

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OPENSSL-VERSION(1SSL)					   OpenSSL				       OPENSSL-VERSION(1SSL)

NAME
       openssl-version - print OpenSSL version information

SYNOPSIS
       openssl version [-help] [-a] [-v] [-b] [-o] [-f] [-p] [-d] [-e] [-m] [-r] [-c] [-w]

DESCRIPTION
       This command is used to print out version information about OpenSSL.

OPTIONS
       -help
	   Print out a usage message.

       -a  All information, this is the same as setting all the other flags.

       -v  The current OpenSSL version.

       -b  The date the current version of OpenSSL was built.

       -o  Option information: various options set when the library was built.

       -f  Compilation flags.

       -p  Platform setting.

       -d  OPENSSLDIR setting.

       -e  ENGINESDIR settings.

       -m  MODULESDIR settings.

       -r  The random number generator source settings.

       -c  The OpenSSL CPU settings info.

       -w  The OpenSSL OSSL_WINCTX build time variable, if set.	 Used for computing Windows registry key names.	 This option
	   is unavailable on non-Windows platforms.

HISTORY
       In  OpenSSL versions prior to 3.4, OpenSSL had a limitation regarding the OPENSSLDIR, MODULESDIR and ENGINESDIR build
       time macros.  These macros were defined at build time, and represented filesystem paths.	 This is common practice  on
       unix  like  systems,  as there was an expectation that a given build would be installed to a pre-determined location.
       On Windows however, there is no such expectation, as libraries can be installed to arbitrary locations.	 OSSL_WINCTX
       was  introduced	as  a  new  build  time	 variable  to  define  a  set  of  registry  keys  identified  by  the	name
       openssl--, in which the  value is derived from the version string in the openssl	source,	 and
       the    extension  is derived from the OSSL_WINCTX variable.	 The values of OPENSSLDIR, ENGINESDIR and MODULESDIR
       can be set to various paths underneath this key to break the requirement to predict the installation  path  at  build
       time.

NOTES
       The output of "openssl version -a" would typically be used when sending in a bug report.

COPYRIGHT
       Copyright 2000-2024 The OpenSSL Project Authors. All Rights Reserved.

       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
       .

3.5.5							 2026-01-27				       OPENSSL-VERSION(1SSL)
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