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OPENSSL_load_builtin_modules(3) OpenSSL OPENSSL_load_builtin_modules(3) NAME OPENSSL_load_builtin_modules, ASN1_add_oid_module, ENGINE_add_conf_module - add standard configuration modules LIBRARY libcrypto, -lcrypto SYNOPSIS #include <openssl/conf.h> void OPENSSL_load_builtin_modules(void); void ASN1_add_oid_module(void); void ENGINE_add_conf_module(void); DESCRIPTION The function OPENSSL_load_builtin_modules() adds all the standard OpenSSL configuration modules to the internal list. They can then be used by the OpenSSL configuration code. ASN1_add_oid_module() adds just the ASN1 OBJECT module. ENGINE_add_conf_module() adds just the ENGINE configuration module. NOTES If the simple configuration function OPENSSL_config() is called then OPENSSL_load_builtin_modules() is called automatically. Applications which use the configuration functions directly will need to call OPENSSL_load_builtin_modules() themselves before any other configuration code. Applications should call OPENSSL_load_builtin_modules() to load all configuration modules instead of adding modules selectively: otherwise functionality may be missing from the application if an when new modules are added. RETURN VALUES None of the functions return a value. SEE ALSO config(5), OPENSSL_config(3) HISTORY ENGINE_add_conf_module() was deprecated in OpenSSL 3.0. COPYRIGHT Copyright 2004-2020 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>. 3.0.12 2023-05-07 OPENSSL_load_builtin_modules(3)