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.\" ========================================================================
.\"
.IX Title "Random 3"
.TH Random 3 "2015-10-08" "perl v5.16.3" "User Contributed Perl Documentation"
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.SH "NAME"
Crypt::OpenSSL::Random \- OpenSSL/LibreSSL pseudo\-random number generator access
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Crypt::OpenSSL::Random;
\&
\& Crypt::OpenSSL::Random::random_seed($good_random_data);
\& Crypt::OpenSSL::Random::random_egd("/tmp/entropy");
\& Crypt::OpenSSL::Random::random_status() or
\& die "Unable to sufficiently seed the random number generator".
\&
\& my $ten_good_random_bytes = Crypt::OpenSSL::Random::random_bytes(10);
\& my $ten_ok_random_bytes = Crypt::OpenSSL::Random::random_pseudo_bytes(10);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`Crypt::OpenSSL::Random\*(C'\fR provides the ability to seed and query the
\&\fBOpenSSL\fR and \fBLibreSSL\fR library's pseudo-random number generators.
.PP
Note: On \fBLibreSSL\fR \f(CW\*(C`random_egd()\*(C'\fR is not defined.
.SS "\s-1EXPORT\s0"
.IX Subsection "EXPORT"
None by default.
.SH "Static Methods"
.IX Header "Static Methods"
.IP "random_bytes (\s-1IV\s0 num_bytes)" 4
.IX Item "random_bytes (IV num_bytes)"
This function, returns a specified number of cryptographically strong
pseudo-random bytes from the \s-1PRNG. \s0 If the \s-1PRNG\s0 has not been seeded
with enough randomness to ensure an unpredictable byte sequence, then
a false value is returned.
.IP "random_pseudo_bytes (\s-1IV\s0 num_bytes)" 4
.IX Item "random_pseudo_bytes (IV num_bytes)"
This function, is similar to c