5 SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithms
6 - initialize SSL library by registering algorithms
10 #include <openssl/ssl.h>
12 int SSL_library_init(void);
13 #define OpenSSL_add_ssl_algorithms() SSL_library_init()
14 #define SSLeay_add_ssl_algorithms() SSL_library_init()
18 SSL_library_init() registers the available SSL/TLS ciphers and digests.
20 OpenSSL_add_ssl_algorithms() and SSLeay_add_ssl_algorithms() are synonyms
21 for SSL_library_init().
25 SSL_library_init() must be called before any other action takes place.
29 SSL_library_init() adds ciphers and digests used directly and indirectly by
34 A typical TLS/SSL application will start with the library initialization,
35 and provide readable error messages.
37 SSL_load_error_strings(); /* readable error messages */
38 SSL_library_init(); /* initialize library */
42 SSL_library_init() always returns "1", so it is safe to discard the return
47 OpenSSL 0.9.8o and 1.0.0a and later added SHA2 algorithms to SSL_library_init().
48 Applications which need to use SHA2 in earlier versions of OpenSSL should call
49 OpenSSL_add_all_algorithms() as well.
53 L<ssl(3)|ssl(3)>, L<SSL_load_error_strings(3)|SSL_load_error_strings(3)>,
54 L<RAND_add(3)|RAND_add(3)>