Fault Attacks on RSA with CRT: Concrete Results and Practical Countermeasures
作者： C. Aumüller , P. Bier , W. Fischer , P. Hofreiter , J.-P. Seifert
关键词: Software 、 Embedded system 、 Countermeasure 、 Smart card 、 Hardware security module 、 Computer science 、 Software quality 、 Cryptanalysis 、 Fault (power engineering) 、 Public-key cryptography
摘要: This article describes concrete results and practically validated countermeasures concerning differential fault attacks on RSA using the CRT. We investigate smartcards with an coprocessor where any hardware to defeat have been switched off. scenario was chosen in order analyze reliability of software countermeasures.We start by describing our laboratory setting for attacks. Hereafter, we describe experiments a straightforward implementation well-known countermeasure. turned out be not sufficient. With data obtained these developed practical error model. enabled us specify enhanced which were able produce successful investigated chips.Nevertheless, are convinced that only sophisticated (sensors, filters, etc.) combination will provide security.
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