| =pod |
| |
| =head1 NAME |
| |
| rand - generate pseudo-random bytes |
| |
| =head1 SYNOPSIS |
| |
| B<openssl rand> |
| [B<-out> I<file>] |
| [B<-rand> I<file(s)>] |
| [B<-base64>] |
| I<num> |
| |
| =head1 DESCRIPTION |
| |
| The B<rand> command outputs I<num> pseudo-random bytes after seeding |
| the random number generator once. As in other B<openssl> command |
| line tools, PRNG seeding uses the file I<$HOME/>B<.rnd> or B<.rnd> |
| in addition to the files given in the B<-rand> option. A new |
| I<$HOME>/B<.rnd> or B<.rnd> file will be written back if enough |
| seeding was obtained from these sources. |
| |
| =head1 OPTIONS |
| |
| =over 4 |
| |
| =item B<-out> I<file> |
| |
| Write to I<file> instead of standard output. |
| |
| =item B<-rand> I<file(s)> |
| |
| Use specified file or files or EGD socket (see L<RAND_egd(3)|RAND_egd(3)>) |
| for seeding the random number generator. |
| Multiple files can be specified separated by a OS-dependent character. |
| The separator is B<;> for MS-Windows, B<,> for OpenVMS, and B<:> for |
| all others. |
| |
| =item B<-base64> |
| |
| Perform base64 encoding on the output. |
| |
| =back |
| |
| =head1 SEE ALSO |
| |
| L<RAND_bytes(3)|RAND_bytes(3)> |
| |
| =cut |
