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SPARTA Publications

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Experimental Analysis of the Electromagnetic Instruction Skip Fault Model

Menu, Alexandre and Dutertre, Jean-Max and Potin, Olivier and Rigaud, Jean-Baptiste and Danger, Jean-Luc

Abstract

Microcontrollers storing valuable data or using security functions are vulnerable to fault injection attacks. Among the various types of faults, instruction skips induced at runtime proved to be effective against identification routines or encryption algorithms. Until recently, most research works assessed a fault model that consists in a single instruction skip, i.e. the ability to prevent one chosen instruction in a program from being executed. We question this fault model for EM fault injection on experimental basis and report the possibility to induce several consecutive instructions skips.

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