SSL_library_init.3 revision 180208
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Title "SSL_library_init 3"
Standard preamble:
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\\$1
.. ..
.... Set up some character translations and predefined strings. \*(-- will
give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
double quote, and \*(R" will give a right double quote. | will give a
real vertical bar. \*(C+ will give a nicer C++. Capital omega is used to
do unbreakable dashes and therefore won't be available. \*(C` and \*(C'
expand to `' in nroff, nothing in troff, for use with C<>.
.tr \(*W-|\(bv\*(Tr . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' 'br\}
If the F register is turned on, we'll generate index entries on stderr for
titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and index
entries marked with X<> in POD. Of course, you'll have to process the
output yourself in some meaningful fashion.
. de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . nr % 0 . rr F .\}
For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
Fear. Run. Save yourself. No user-serviceable parts.
. \" fudge factors for nroff and troff . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] .\} . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents . \" corrections for vroff . \" for low resolution devices (crt and lpr) \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} ========================================================================
Title "SSL_library_init 3"
SSL_library_init 3 "2007-03-15" "0.9.8e" "OpenSSL"
"NAME"
SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithms
\- initialize SSL library by registering algorithms
"SYNOPSIS"
Header "SYNOPSIS" .Vb 1
#include <openssl/ssl.h>
.Ve
.Vb 3 int SSL_library_init(void); #define OpenSSL_add_ssl_algorithms() SSL_library_init() #define SSLeay_add_ssl_algorithms() SSL_library_init() .Ve
"DESCRIPTION"
Header "DESCRIPTION" \fISSL_library_init() registers the available ciphers and digests.
\fIOpenSSL_add_ssl_algorithms() and SSLeay_add_ssl_algorithms() are synonyms for SSL_library_init().
"NOTES"
Header "NOTES" \fISSL_library_init() must be called before any other action takes place.
"WARNING"
Header "WARNING" \fISSL_library_init() only registers ciphers. Another important initialization
is the seeding of the \s-1PRNG\s0 (Pseudo Random Number Generator), which has to
be performed separately.
"EXAMPLES"
Header "EXAMPLES" A typical \s-1TLS/SSL\s0 application will start with the library initialization,
will provide readable error messages and will seed the \s-1PRNG\s0.
.Vb 3 SSL_load_error_strings(); /* readable error messages */ SSL_library_init(); /* initialize library */ actions_to_seed_PRNG(); .Ve
"RETURN VALUES"
Header "RETURN VALUES" \fISSL_library_init() always returns \*(L"1\*(R", so it is safe to discard the return
value.
"SEE ALSO"
Header "SEE ALSO" \fIssl\|(3), SSL_load_error_strings\|(3),
\fIRAND_add\|(3)