License protection with a tamper-resistant token


Chong, Cheun Ngen and Ren, Bin and Doumen, Jeroen and Etalle, Sandro and Hartel, Pieter H. and Corin, Ricardo (2004) License protection with a tamper-resistant token. [Report]

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Abstract:Content protection mechanisms are intended to enforce the usage rights on the content. These usage rights are carried by a license. Sometimes, a license even carries the key that is used to unlock the protected content. Unfortunately, license protection is difcult, yet it is important for digital rights management (DRM). Not many license protection schemes are available, and most if not all are proprietary. In this paper, we present a license protection scheme, which exploits tamper-resistant cryptographic hardware. The condentiality and integrity of the license or parts thereof can be assured with our protection scheme. In addition, the keys to unlock the protected content are always protected and stored securely as part of the license. We veriy secrecy and authentication aspects of
one of our protocols. We implement the scheme in a prototype to assess the performance.
Item Type:Report
Copyright:© 2004 CTIT
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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