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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Das, A. Memik, G. Zambreno, J. Choudhary, A. |
| Copyright Year | 2010 |
| Description | Author affiliation: Electrical and Computer Engineering Department, Iowa State University, Ames, USA (Zambreno, J.) || Electrical Engineering and Computer Science Department, Northwestern University, Evanston, IL USA (Das, A.; Memik, G.; Choudhary, A.) |
| Abstract | An increasing concern amongst designers and integrators of military and defense-related systems is the underlying security of the individual microprocessor components that make up these systems. Malicious circuitry can be inserted and hidden at several stages of the design process through the use of third-party Intellectual Property (IP), design tools, and manufacturing facilities. Such hardware Trojan circuitry has been shown to be capable of shutting down the main processor after a random number of cycles, broadcasting sensitive information over the bus, and bypassing software authentication mechanisms. In this work, we propose an architecture that can prevent information leakage due to such malicious hardware. Our technique is based on guaranteeing certain behavior in the memory system, which will be checked at an external guardian core that “approves” each memory request. By sitting between off-chip memory and the main core, the guardian core can monitor bus activity and verify the compiler-defined correctness of all memory writes. Experimental results on a conventional x86 platform demonstrate that application binaries can be statically reinstrumented to coordinate with the guardian core to monitor off-chip access, resulting in less than 60% overhead for the majority of the studied benchmarks. |
| Starting Page | 861 |
| Ending Page | 866 |
| File Size | 419382 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424470549 |
| ISSN | 15301591 |
| e-ISBN | 9783981080162 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-03-08 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | European Design Automation Association (EDAA) |
| Subject Keyword | Leak detection Hardware Circuits Monitoring Information security Microprocessors Process design Intellectual property Production facilities Broadcasting |
| Content Type | Text |
| Resource Type | Article |
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