OPENSSL_VERSION - Online Linux Manual PageSection : 3ossl
Updated : 2022-03-15
Source : 3.0.2
Note : OpenSSL
NAMEOPENSSL_VERSION_MAJOR, OPENSSL_VERSION_MINOR, OPENSSL_VERSION_PATCH, OPENSSL_VERSION_PRE_RELEASE, OPENSSL_VERSION_BUILD_METADATA, OPENSSL_VERSION_TEXT, OPENSSL_VERSION_PREREQ, OPENSSL_version_major, OPENSSL_version_minor, OPENSSL_version_patch, OPENSSL_version_pre_release, OPENSSL_version_build_metadata, OpenSSL_version, OPENSSL_VERSION_NUMBER, OpenSSL_version_num, OPENSSL_info ​− get OpenSSL version number and other information
SYNOPSIS​ #include <openssl/opensslv.h> ​ ​ #define OPENSSL_VERSION_MAJOR x ​ #define OPENSSL_VERSION_MINOR y ​ #define OPENSSL_VERSION_PATCH z ​ ​ /* The definitions here are typical release values */ ​ #define OPENSSL_VERSION_PRE_RELEASE "" ​ #define OPENSSL_VERSION_BUILD_METADATA "" ​ ​ #define OPENSSL_VERSION_TEXT "OpenSSL x.y.z xx XXX xxxx" ​ ​ #define OPENSSL_VERSION_PREREQ(maj,min) ​ ​ #include <openssl/crypto.h> ​ ​ unsigned int OPENSSL_version_major(void); ​ unsigned int OPENSSL_version_minor(void); ​ unsigned int OPENSSL_version_patch(void); ​ const char *OPENSSL_version_pre_release(void); ​ const char *OPENSSL_version_build_metadata(void); ​ ​ const char *OpenSSL_version(int t); ​ ​ const char *OPENSSL_info(int t); ​ ​ /* from openssl/opensslv.h */ ​ #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnL ​ ​ /* from openssl/crypto.h */ ​ unsigned long OpenSSL_version_num();
DESCRIPTION
MacrosThe three macros OPENSSL_VERSION_MAJOR, OPENSSL_VERSION_MINOR and ​OPENSSL_VERSION_PATCH represent the three parts of a version identifier, MAJOR.MINOR.PATCH. The macro OPENSSL_VERSION_PRE_RELEASE is an added bit of text that indicates that this is a pre-release version, such as "−dev" for an ongoing development snapshot or "−alpha3" for an alpha release. The value must be a string. The macro OPENSSL_VERSION_BUILD_METADATA is extra information, reserved for other parties, such as "+fips", or "+vendor.1"). The OpenSSL project will not touch this macro (will leave it an empty string). The value must be a string. ​OPENSSL_VERSION_STR is a convenience macro to get the short version identifier string, "MAJOR.MINOR.PATCH". ​OPENSSL_FULL_VERSION_STR is a convenience macro to get the longer version identifier string, which combines OPENSSL_VERSION_STR, ​OPENSSL_VERSION_PRE_RELEASE and OPENSSL_VERSION_BUILD_METADATA. ​OPENSSL_VERSION_TEXT is a convenience macro to get a full descriptive version text, which includes OPENSSL_FULL_VERSION_STR and the release date. ​OPENSSL_VERSION_PREREQ is a useful macro for checking whether the OpenSSL version for the headers in use is at least at the given pre-requisite major (maj) and minor (min) number or not. It will evaluate to true if the header version number (OPENSSL_VERSION_MAJOR.OPENSSL_VERSION_MINOR) is greater than or equal to maj.min. ​OPENSSL_VERSION_NUMBER is a combination of the major, minor and patch version into a single integer 0xMNN00PP0L, where: M is the number from OPENSSL_VERSION_MAJOR, in hexadecimal notation NN is the number from OPENSSL_VERSION_MINOR, in hexadecimal notation PP is the number from OPENSSL_VERSION_PATCH, in hexadecimal notation
Functions​OPENSSL_version_major(), OPENSSL_version_minor(), OPENSSL_version_patch(), ​OPENSSL_version_pre_release(), and OPENSSL_version_build_metadata() return the values of the macros above for the build of the library, respectively. ​OpenSSL_version() returns different strings depending on t: OPENSSL_VERSION The value of OPENSSL_VERSION_TEXT OPENSSL_VERSION_STRING The value of OPENSSL_VERSION_STR OPENSSL_FULL_VERSION_STRING The value of OPENSSL_FULL_VERSION_STR OPENSSL_CFLAGS The compiler flags set for the compilation process in the form ​compiler: ... if available, or compiler: information not available otherwise. OPENSSL_BUILT_ON The date of the build process in the form built on: ... if available or built on: date not available otherwise. The date would not be available in a reproducible build, for example. OPENSSL_PLATFORM The ‟Configure” target of the library build in the form platform: ... if available, or platform: information not available otherwise. OPENSSL_DIR The OPENSSLDIR setting of the library build in the form OPENSSLDIR: "..." if available, or OPENSSLDIR: N/A otherwise. OPENSSL_ENGINES_DIR The ENGINESDIR setting of the library build in the form ENGINESDIR: "..." if available, or ENGINESDIR: N/A otherwise. This option is deprecated in OpenSSL 3.0. OPENSSL_MODULES_DIR The MODULESDIR setting of the library build in the form MODULESDIR: "..." if available, or MODULESDIR: N/A otherwise. OPENSSL_CPU_INFO The current OpenSSL cpu settings. This is the current setting of the cpu capability flags. It is usually automatically configured but may be set via an environment variable. The value has the same syntax as the environment variable. For x86 the string looks like CPUINFO: OPENSSL_ia32cap=0x123:0x456 or CPUINFO: N/A if not available. For an unknown t, the text not available is returned. ​OPENSSL_info() also returns different strings depending on t: OPENSSL_INFO_CONFIG_DIR The configured OPENSSLDIR, which is the default location for OpenSSL configuration files. OPENSSL_INFO_ENGINES_DIR The configured ENGINESDIR, which is the default location for OpenSSL engines. OPENSSL_INFO_MODULES_DIR The configured MODULESDIR, which is the default location for dynamically loadable OpenSSL modules other than engines. OPENSSL_INFO_DSO_EXTENSION The configured dynamically loadable module extension. OPENSSL_INFO_DIR_FILENAME_SEPARATOR The separator between a directory specification and a filename. Note that on some operating systems, this is not the same as the separator between directory elements. OPENSSL_INFO_LIST_SEPARATOR The OpenSSL list separator. This is typically used in strings that are lists of items, such as the value of the environment variable $PATH on Unix (where the separator is :) or %PATH% on Windows (where the separator is ​;). OPENSSL_INFO_CPU_SETTINGS The current OpenSSL cpu settings. This is the current setting of the cpu capability flags. It is usually automatically configured but may be set via an environment variable. The value has the same syntax as the environment variable. For x86 the string looks like OPENSSL_ia32cap=0x123:0x456. For an unknown t, NULL is returned. ​OpenSSL_version_num() returns the value of OPENSSL_VERSION_NUMBER.
RETURN VALUES​OPENSSL_version_major(), OPENSSL_version_minor() and OPENSSL_version_patch() return the version number parts as integers. ​OPENSSL_version_pre_release() and OPENSSL_version_build_metadata() return the values of OPENSSL_VERSION_PRE_RELEASE and ​OPENSSL_VERSION_BUILD_METADATA respectively as constant strings. For any of them that is undefined, the empty string is returned. ​OpenSSL_version() returns constant strings.
SEE ALSO​crypto (7)
HISTORYThe macros and functions described here were added in OpenSSL 3.0, except for OPENSSL_VERSION_NUMBER and OpenSSL_version_num().
COPYRIGHTCopyright 2018−2022 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 <https://www.openssl.org/source/license.html>. 0
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