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Overview:

This paper proposes Raksha, an architecture for software security based on Dynamic Information Flow Tracking (DIFT). Raksha provides three novel features that allow for a flexible hardware/ software approach to security. First, it supports flexible and programmable security policies that enable software to direct hardware analysis towards a wide range of high-level and low-level attacks. Second, it supports multiple active security policies that can protect the system against concurrent attacks. Third, it supports low-overhead security handlers that allow software to correct, complement, or extend the hardware-based analysis without the overhead associated with operating system traps.

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Format:PDFSize:294 KB
Date:Jun 2007
Pages:12

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