1=pod 2 3=head1 NAME 4 5rand - generate pseudo-random bytes 6 7=head1 SYNOPSIS 8 9B<openssl rand> 10[B<-out> I<file>] 11[B<-rand> I<file(s)>] 12[B<-base64>] 13[B<-hex>] 14I<num> 15 16=head1 DESCRIPTION 17 18The B<rand> command outputs I<num> pseudo-random bytes after seeding 19the random number generator once. As in other B<openssl> command 20line tools, PRNG seeding uses the file I<$HOME/>B<.rnd> or B<.rnd> 21in addition to the files given in the B<-rand> option. A new 22I<$HOME>/B<.rnd> or B<.rnd> file will be written back if enough 23seeding was obtained from these sources. 24 25=head1 OPTIONS 26 27=over 4 28 29=item B<-out> I<file> 30 31Write to I<file> instead of standard output. 32 33=item B<-rand> I<file(s)> 34 35Use specified file or files or EGD socket (see L<RAND_egd(3)|RAND_egd(3)>) 36for seeding the random number generator. 37Multiple files can be specified separated by a OS-dependent character. 38The separator is B<;> for MS-Windows, B<,> for OpenVMS, and B<:> for 39all others. 40 41=item B<-base64> 42 43Perform base64 encoding on the output. 44 45=item B<-hex> 46 47Show the output as a hex string. 48 49=back 50 51=head1 SEE ALSO 52 53L<RAND_bytes(3)|RAND_bytes(3)> 54 55=cut 56