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.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.32 .\" .\" Standard preamble: .\" ======================================================================== .de Sh \" Subsection heading .br .if t .Sp .ne 5 .PP \fB\\$1\fR .PP .. .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" 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 C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . 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\} .el\{\ . 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. .if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . nr % 0 . rr F .\} .\" .\" For nroff, turn off justification. 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The seed file is \f(CW$RANDFILE\fR if that environment variable is set, \f(CW$HOME\fR/.rnd otherwise. If \f(CW$HOME\fR is not set either, or \fBnum\fR is too small for the path name, an error occurs. .PP \&\fIRAND_load_file()\fR reads a number of bytes from file \fBfilename\fR and adds them to the \s-1PRNG\s0. If \fBmax_bytes\fR is non\-negative, up to to \fBmax_bytes\fR are read; starting with OpenSSL 0.9.5, if \fBmax_bytes\fR is \-1, the complete file is read. .PP \&\fIRAND_write_file()\fR writes a number of random bytes (currently 1024) to file \fBfilename\fR which can be used to initialize the \s-1PRNG\s0 by calling \&\fIRAND_load_file()\fR in a later session. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fIRAND_load_file()\fR returns the number of bytes read. .PP \&\fIRAND_write_file()\fR returns the number of bytes written, and \-1 if the bytes written were generated without appropriate seed. .PP \&\fIRAND_file_name()\fR returns a pointer to \fBbuf\fR on success, and \s-1NULL\s0 on error. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fIrand\fR\|(3), \fIRAND_add\fR\|(3), \fIRAND_cleanup\fR\|(3) .SH "HISTORY" .IX Header "HISTORY" \&\fIRAND_load_file()\fR, \fIRAND_write_file()\fR and \fIRAND_file_name()\fR are available in all versions of SSLeay and OpenSSL.