SSL_library_init.3ossl 5.4 KB

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  133. .\" ========================================================================
  134. .\"
  135. .IX Title "SSL_LIBRARY_INIT 3ossl"
  136. .TH SSL_LIBRARY_INIT 3ossl "2024-09-03" "3.3.2" "OpenSSL"
  137. .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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  139. .if n .ad l
  140. .nh
  141. .SH "NAME"
  142. SSL_library_init, OpenSSL_add_ssl_algorithms
  143. \&\- initialize SSL library by registering algorithms
  144. .SH "SYNOPSIS"
  145. .IX Header "SYNOPSIS"
  146. .Vb 1
  147. \& #include <openssl/ssl.h>
  148. \&
  149. \& int SSL_library_init(void);
  150. \&
  151. \& int OpenSSL_add_ssl_algorithms(void);
  152. .Ve
  153. .SH "DESCRIPTION"
  154. .IX Header "DESCRIPTION"
  155. \&\fBSSL_library_init()\fR registers the available \s-1SSL/TLS\s0 ciphers and digests.
  156. .PP
  157. \&\fBOpenSSL_add_ssl_algorithms()\fR is a synonym for \fBSSL_library_init()\fR and is
  158. implemented as a macro.
  159. .SH "NOTES"
  160. .IX Header "NOTES"
  161. \&\fBSSL_library_init()\fR must be called before any other action takes place.
  162. \&\fBSSL_library_init()\fR is not reentrant.
  163. .SH "WARNINGS"
  164. .IX Header "WARNINGS"
  165. \&\fBSSL_library_init()\fR adds ciphers and digests used directly and indirectly by
  166. \&\s-1SSL/TLS.\s0
  167. .SH "RETURN VALUES"
  168. .IX Header "RETURN VALUES"
  169. \&\fBSSL_library_init()\fR always returns \*(L"1\*(R", so it is safe to discard the return
  170. value.
  171. .SH "SEE ALSO"
  172. .IX Header "SEE ALSO"
  173. \&\fBssl\fR\|(7),
  174. \&\fBRAND_add\fR\|(3)
  175. .SH "HISTORY"
  176. .IX Header "HISTORY"
  177. The \fBSSL_library_init()\fR and \fBOpenSSL_add_ssl_algorithms()\fR functions were
  178. deprecated in OpenSSL 1.1.0 by \fBOPENSSL_init_ssl()\fR.
  179. .SH "COPYRIGHT"
  180. .IX Header "COPYRIGHT"
  181. Copyright 2000\-2016 The OpenSSL Project Authors. All Rights Reserved.
  182. .PP
  183. Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
  184. this file except in compliance with the License. You can obtain a copy
  185. in the file \s-1LICENSE\s0 in the source distribution or at
  186. <https://www.openssl.org/source/license.html>.