The key input format; the default is B<PEM>.
The only value with effect is B<ENGINE>; all others have become obsolete.
-See L<openssl(1)/Format Options> for details.
+See L<openssl-format-options(1)> for details.
=item B<-outform> B<DER>|B<PEM>
The key output formats; the default is B<PEM>.
-See L<openssl(1)/Format Options> for details.
+See L<openssl-format-options(1)> for details.
Private keys are an SEC1 private key or PKCS#8 format.
Public keys are a B<SubjectPublicKeyInfo> as specified in IETF RFC 3280.
The password source for the input and output file.
For more information about the format of B<arg>
-see L<openssl(1)/Pass Phrase Options>.
+see L<openssl-passphrase-options(1)>.
=item B<-des>|B<-des3>|B<-idea>