rotor alternative?

[Paul Rubin]

Nick Vargish <nav+posts at bandersnatch.org> writes:
> > the act of obtaining such a program is itself a psychological
> > barrier to decryption: you can't fool yourself about what you're
> > doing.
> 
> Not just a psychological barrier, but a legal one, if your aim is to
> provide a possible basis for future litigation.

Rotor is not needed to provide that barrier.  You can do the same thing
with a simple xor against the key.