[B<-idea>]
[B<-f4>]
[B<-3>]
-[B<-rand file(s)>]
+[B<-rand file...>]
+[B<-writerand file>]
[B<-engine id>]
[B<numbits>]
The public exponent to use, either 65537 or 3. The default is 65537.
-=item B<-rand file(s)>
+=item B<-rand file...>
A file or files containing random data used to seed the random number
-generator, or an EGD socket (see L<RAND_egd(3)>).
+generator.
Multiple files can be specified separated by an OS-dependent character.
The separator is B<;> for MS-Windows, B<,> for OpenVMS, and B<:> for
all others.
+=item [B<-writerand file>]
+
+Writes random data to the specified I<file> upon exit.
+This can be used with a subsequent B<-rand> flag.
+
=item B<-engine id>
Specifying an engine (by its unique B<id> string) will cause B<genrsa>