[B<-in> I<filename>]
[B<-out> I<filename>]
[B<-dsaparam>]
+[B<-check>]
[B<-noout>]
[B<-text>]
[B<-C>]
parameters, a fresh DH key should be created for each use to
avoid small-subgroup attacks that may be possible otherwise.
+=item B<-check>
+
+check if the parameters are valid primes and generator.
+
=item B<-2>, B<-5>
The generator to use, either 2 or 5. 2 is the default. If present then the