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SSL_LIBRARY_INIT(3) Library Functions Manual SSL_LIBRARY_INIT(3)

SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithmsinitialize SSL library by registering algorithms

#include <openssl/ssl.h>

int
SSL_library_init(void);

int
OpenSSL_add_ssl_algorithms(void);

int
SSLeay_add_ssl_algorithms(void);

These functions are deprecated. It is never useful for any application program to call any of them explicitly. The library automatically calls them internally whenever needed.

SSL_library_init() registers the available ciphers and digests which are used directly or indirectly by TLS.

OpenSSL_add_ssl_algorithms() and SSLeay_add_ssl_algorithms() are synonyms for SSL_library_init() and are implemented as macros.

SSL_library_init() always returns 1.

ssl(3)

SSLeay_add_ssl_algorithms() first appeared in SSLeay 0.8.0 and has been available since OpenBSD 2.4.

SSL_library_init() first appeared in OpenSSL 0.9.2b and has been available since OpenBSD 2.6.

OpenSSL_add_ssl_algorithms() first appeared in OpenSSL 0.9.5 and has been available since OpenBSD 2.7.

June 14, 2019 OpenBSD-current