In order to get a technique like mine to work, what you actually have to do is make it so that, instead of decrypting the disk the same way in every player, each player decrypts in its own unique way. That way, when illegal copies are found, they can be traced back to the specific disk and machine from which they were made.
Q: How does this help prevent copyright infringement and protect privacy?
A: The approach doesn't prevent anything. But it lets an investigator, who has already got proof that there was a crime, go through and trace it back to the device. We call it forensic marketing.
Sounds to me like
IF this guys idea ever gets off the ground you just by you equiptment with cash and
NEVER send the reg card in to the company, or even sign for a warranty from the store to be safe.
