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Hardware Assistance for Trustworthy Systems through 3-D Integration

By Jonathan Valamehr, Mohit Tiwari, Timothy Sherwood, Ryan Kastner, Ted Huffmire, Cynthia Irvine and Timothy Levin


Hardware resources are abundant; state-of-the-art processors have over one billion transistors. Yet for a variety of reasons, specialized hardware functions for high assurance processing are seldom (i.e., a couple of features per vendor over twenty years) integrated into these commodity processors, despite a small flurry of late (e.g., ARM TrustZone, Intel VT-x/VT-d and AMD-V/AMD-Vi, Intel TXT and AMD SVM, and Intel AES-NI). Furthermore, as chips increase in complexity, trustworthy processing of sensitive information can become increasingly difficult to achieve due to extensive on-chip resource sharing and the lack of corresponding protection mechanisms. In this paper, we introduce a method to enhance the security of commodity integrated circuits, using minor modifications, in conjunction with a separat

Year: 2011
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