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[dragonfly.git] / secure / lib / libssl / man / SSL_library_init.3
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80.\" If the F register is turned on, we'll generate
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96.TH SSL_library_init 3 "0.9.7d" "2/Sep/2004" "OpenSSL"
97.UC
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188.\}
189.rm #[ #] #H #V #F C
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190.SH "NAME"
191SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithms
a7d27d5a 192\- initialize SSL library by registering algorithms
984263bc 193.SH "SYNOPSIS"
a7d27d5a 194.PP
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195.Vb 1
196\& #include <openssl/ssl.h>
197.Ve
198.Vb 3
199\& int SSL_library_init(void);
200\& #define OpenSSL_add_ssl_algorithms() SSL_library_init()
201\& #define SSLeay_add_ssl_algorithms() SSL_library_init()
202.Ve
203.SH "DESCRIPTION"
a7d27d5a 204\fISSL_library_init()\fR registers the available ciphers and digests.
984263bc 205.PP
a7d27d5a 206\fIOpenSSL_add_ssl_algorithms()\fR and \fISSLeay_add_ssl_algorithms()\fR are synonyms
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207for \fISSL_library_init()\fR.
208.SH "NOTES"
a7d27d5a 209\fISSL_library_init()\fR must be called before any other action takes place.
984263bc 210.SH "WARNING"
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211\fISSL_library_init()\fR only registers ciphers. Another important initialization
212is the seeding of the PRNG (Pseudo Random Number Generator), which has to
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213be performed separately.
214.SH "EXAMPLES"
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215A typical TLS/SSL application will start with the library initialization,
216will provide readable error messages and will seed the PRNG.
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217.PP
218.Vb 3
219\& SSL_load_error_strings(); /* readable error messages */
220\& SSL_library_init(); /* initialize library */
a7d27d5a 221\& actions_to_seed_PRNG();
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222.Ve
223.SH "RETURN VALUES"
a7d27d5a 224\fISSL_library_init()\fR always returns \*(L"1\*(R", so it is safe to discard the return
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225value.
226.SH "SEE ALSO"
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227ssl(3), SSL_load_error_strings(3),
228RAND_add(3)
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229
230.rn }` ''
231.IX Title "SSL_library_init 3"
232.IX Name "SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithms - initialize SSL library by registering algorithms"
233
234.IX Header "NAME"
235
236.IX Header "SYNOPSIS"
237
238.IX Header "DESCRIPTION"
239
240.IX Header "NOTES"
241
242.IX Header "WARNING"
243
244.IX Header "EXAMPLES"
245
246.IX Header "RETURN VALUES"
247
248.IX Header "SEE ALSO"
249