[B<-signature filename>]
[B<-hmac key>]
[B<-fips-fingerprint>]
+[B<-rand file...>]
[B<-engine id>]
[B<-engine_impl>]
[B<file...>]
=back
-=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<-fips-fingerprint>
Compute HMAC using a specific key for certain OpenSSL-FIPS operations.