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SSL_library_init(3) OpenSSL SSL_library_init(3) NAME SSL_library_init, OpenSSL_add_ssl_algorithms - initialize SSL library by registering algorithms LIBRARY libcrypto, -lcrypto SYNOPSIS #include <openssl/ssl.h> int SSL_library_init(void); int OpenSSL_add_ssl_algorithms(void); DESCRIPTION SSL_library_init() registers the available SSL/TLS ciphers and digests. OpenSSL_add_ssl_algorithms() is a synonym for SSL_library_init() and is implemented as a macro. NOTES SSL_library_init() must be called before any other action takes place. SSL_library_init() is not reentrant. WARNINGS SSL_library_init() adds ciphers and digests used directly and indirectly by SSL/TLS. RETURN VALUES SSL_library_init() always returns "1", so it is safe to discard the return value. SEE ALSO ssl(7), RAND_add(3) HISTORY The SSL_library_init() and OpenSSL_add_ssl_algorithms() functions were deprecated in OpenSSL 1.1.0 by OPENSSL_init_ssl(). COPYRIGHT Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (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>. 1.1.1i 2020-01-23 SSL_library_init(3)