rand.1
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" openssl\-rand, rand \- generate pseudo\-random bytes .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBopenssl rand\fR [\fB\-out\fR \fIfile\fR] [\fB\-rand\fR \fIfile(s)\fR] [\fB\-base64\fR] [\fB\-hex\fR] \&\fInum\fR .SH "DESCRIPTION" .IX Header "DESCRIPTION" The \fBrand\fR command outputs \fInum\fR pseudo-random bytes after seeding the random number generator once. As in other \fBopenssl\fR command line tools, \s-1PRNG\s0 seeding uses the file \fI\f(CI$HOME\fI/\fR\fB.rnd\fR or \fB.rnd\fR in addition to the files given in the \fB\-rand\fR option. A new \&\fI\f(CI$HOME\fI\fR/\fB.rnd\fR or \fB.rnd\fR file will be written back if enough seeding was obtained from these sources. .SH "OPTIONS" .IX Header "OPTIONS" .IP "\fB\-out\fR \fIfile\fR" 4 .IX Item "-out file" Write to \fIfile\fR instead of standard output. .IP "\fB\-rand\fR \fIfile(s)\fR" 4 .IX Item "-rand file(s)" Use specified file or files or \s-1EGD\s0 socket (see \fBRAND_egd\fR\|(3)) for seeding the random number generator. Multiple files can be specified separated by a OS-dependent character. The separator is \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for all others. .IP "\fB\-base64\fR" 4 .IX Item "-base64" Perform base64 encoding on the output. .IP "\fB\-hex\fR" 4 .IX Item "-hex" Show the output as a hex string. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBRAND_bytes\fR\|(3)
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