> Conclusion:
> Is there any way to encrypt the data "on the fly" from the unencrypted
> filesystem to the DVDRW without haveing an extra file and without
> using the DVDRW as "normal hd" ? I will only use one-shot DVDRW,
> i.e. I will always write the whole contents...no multisession or such.
If this is for archiving, you can use shunt:
http://www.serice.net/shunt/
Paul Serice