Breaking Up Is Hard to Do: Modeling Security Threats for Smart Cards


Published: Feb 26, 2000 Updated: Feb 26, 2000 Section: Network Security Library :: Auth. & Access Control Author: Company: Counterpane Internet Security, Inc. Printable Version Adjust font size: Rating: 4/5 - 2 Votes 1 2 3 4 5

Smart card systems differ from conventional computer systems in that different aspects of the system are not under a single trust boundary. The processor, I/O, data, programs, and network may be controlled by different, and hostile, parties. We discuss the security ramifications of these "splits" in trust, showing that they are fundamental to a proper understanding of the security of systems that include smart cards.

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