[B<-inform PEM|NET|DER>]
[B<-outform PEM|NET|DER>]
[B<-in filename>]
+[B<-passin password>]
+[B<-envpassin var>]
[B<-out filename>]
+[B<-passout password>]
+[B<-envpassout var>]
[B<-des>]
[B<-des3>]
[B<-idea>]
option is not specified. If the key is encrypted a pass phrase will be
prompted for.
+=item B<-passin password>
+
+the input file password. Since certain utilities like "ps" make the command line
+visible this option should be used with caution.
+
+=item B<-envpassin var>
+
+read the input file password from the environment variable B<var>.
+
=item B<-out filename>
This specifies the output filename to write a key to or standard output by
prompted for. The output filename should B<not> be the same as the input
filename.
+=item B<-passout password>
+
+the output file password. Since certain utilities like "ps" make the command line
+visible this option should be used with caution.
+
+=item B<-envpassout var>
+
+read the output file password from the environment variable B<var>.
+
=item B<-des|-des3|-idea>
These options encrypt the private key with the DES, triple DES, or the