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Random Register Renaming to Foil DPA

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationCryptographic Hardware and Embedded Systems - CHES 2001
Publisher or commissioning bodySpringer Berlin Heidelberg
Pages28 - 38
Number of pages11
Volume2162
DatePublished - May 2001

Abstract

Techniques such as DPA and SPA can be used to find the secret keys stored in smart-cards. These techniques have caused concern for they can allow people to recharge their stored value smartcards (in effect printing money), or illegally use phone or digital TV services. We propose an addition to current processors which will counteract these techniques. By randomising register usage, we can hide the secret key stored in a smartcard. The extension we propose can be added to existing processors, and is transparent to the algorithm.

Additional information

Editors: Koç, CK, Naccache, D & Paar, C ISBN: 3540425217 Publisher: Springer Name and Venue of Conference: Cryptographic Hardware and Embedded Systems, CHES 2001: 3rd International Workshop, Paris, 14-16 May Other: http://www.cs.bris.ac.uk/Publications/pub_info.jsp?id=1000551

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