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Editing: SSL_library_init.3
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithms \&\- initialize SSL library by registering algorithms .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/ssl.h> \& \& int SSL_library_init(void); \& #define OpenSSL_add_ssl_algorithms() SSL_library_init() \& #define SSLeay_add_ssl_algorithms() SSL_library_init() .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBSSL_library_init()\fR registers the available \s-1SSL/TLS\s0 ciphers and digests. .PP \&\fBOpenSSL_add_ssl_algorithms()\fR and \fBSSLeay_add_ssl_algorithms()\fR are synonyms for \fBSSL_library_init()\fR. .SH "NOTES" .IX Header "NOTES" \&\fBSSL_library_init()\fR must be called before any other action takes place. \&\fBSSL_library_init()\fR is not reentrant. .SH "WARNING" .IX Header "WARNING" \&\fBSSL_library_init()\fR adds ciphers and digests used directly and indirectly by \&\s-1SSL/TLS.\s0 .SH "EXAMPLES" .IX Header "EXAMPLES" A typical \s-1TLS/SSL\s0 application will start with the library initialization, and provide readable error messages. .PP .Vb 2 \& SSL_load_error_strings(); /* readable error messages */ \& SSL_library_init(); /* initialize library */ .Ve .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBSSL_library_init()\fR always returns \*(L"1\*(R", so it is safe to discard the return value. .SH "NOTES" .IX Header "NOTES" OpenSSL 0.9.8o and 1.0.0a and later added \s-1SHA2\s0 algorithms to \fBSSL_library_init()\fR. Applications which need to use \s-1SHA2\s0 in earlier versions of OpenSSL should call \&\fBOpenSSL_add_all_algorithms()\fR as well. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBssl\fR\|(3), \fBSSL_load_error_strings\fR\|(3), \&\fBRAND_add\fR\|(3)
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