[B<-verify>]
[B<-encrypt>]
[B<-decrypt>]
+[B<-rand file...>]
+[B<-writerand file>]
[B<-pkcs>]
[B<-ssl>]
[B<-raw>]
Decrypt the input data using an RSA private key.
+=item B<-rand file...>
+
+A file or files containing random data used to seed the random number
+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<-pkcs, -oaep, -ssl, -raw>
The padding to use: PKCS#1 v1.5 (the default), PKCS#1 OAEP,