Labels:text | font | screenshot | paper | publication | document OCR: Design Principles for T mper-Resist nt Sm rtc rd Processors Oliver Kömmerling Markus G. Kuhn Advanced Digital University of Cambridge Security Research Computer Laboratory Mühlstraße 7 Pembroke Street 66484 Riedelberg Cambridge CB2 3QG Germany United Kingdom ok@ dsr.de mgk25@cl.c m. c.uk Abstr ct for counter measures. Sotne of these we believe to be We describe techniques for extracting protected new, while others have already been implemented in software and data from startcard processors. This products but are either not widely used or have de- includes manual tnicroprobing, laser cutting, fo- sign flaws that have allowed us to circumvent them. cused ion-beatn manipulation, glitch attacks, and power analysis. Many of these methods have already 2 T mpering Techniques been used to compromi ...
