USENIX Technical Program - Abstract - Smartcard 99
Design Principles for Tamper-Resistant Smartcard Processors
Oliver Kömmerling, Advanced Digital Security Research; Markus G. Kuhn, University of Cambridge
We describe techniques for extracting protected software and data
from smartcard processors. This includes manual microprobing, laser
cutting, focused ion-beam manipulation, glitch attacks, and power
analysis. Many of these methods have already been used to compromise
widely-fielded conditional-access systems, and current smartcards
offer little protection against them. We give examples of low-cost
protection concepts that make such attacks considerably more
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