[B<-rand> I<file...>]
[B<-engine> I<id>]
[B<-engine_impl>]
-[B<file...>]
+[I<file> ...]
B<openssl> I<digest> [B<...>]
When used with the B<-engine> option, it specifies to also use
engine B<id> for digest operations.
-=item B<file...>
+=item I<file> ...
File or files to digest. If no files are specified then standard input is
used.