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ThinkMind // SECURWARE 2013, The Seventh International Conference on Emerging Security Information, Systems and Technologies // View article securware_2013_2_40_30089


Active Shield with Electrically Configurable Interconnections

Authors:
Umut Guvenc

Keywords: active shield; secure IC; cryptography; physical attack countermeasure

Abstract:
An active shielding method is hereby introduced, providing security to security critical integrated circuits against some physical attacks such as probing, manipulation and modification. Active shields satisfy a physical clearance by preventing the reachability of the circuitry while they, themselves, are subject to modification in most cases. The proposed active shield, which is also subject to a patent application, provides the ability to detect any physical modification made on the shield itself by utilizing electrically configurable interconnections between shielding metal lines. By changing the selected interconnection configuration of the shielding lines, the proposed active shield provides a self detection ability as a countermeasure against the vulnerability to physical modification made on the active shield itself.

Pages: 43 to 45

Copyright: Copyright (c) IARIA, 2013

Publication date: August 25, 2013

Published in: conference

ISSN: 2162-2116

ISBN: 978-1-61208-298-1

Location: Barcelona, Spain

Dates: from August 25, 2013 to August 31, 2013

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