This paper presents Truly protect, a system, incorporating a virtual machine, that enables execution of encrypted programs. Our intention is to form a framework for a conditional access/digital rights management system.
We avoid relying on obscurity and rely only on assumptions about the system itself and on cryptographic measures to develop VM based conditional access/trusted computing environment.
Rolles in, proposes a general way of breaking systems of type described herein. We claim that Rolles' method fails to defeat our system.
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