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13.02.19

An Automated Algebraic Fault Attacks Constructor

Kategorie: Open Seminar - Rechnerarchitektur

09:00-09:45, external place, M. Sc. Mael Gay, Institut für Technische Informatik


AutoFault is a framework which automatically constructs fault-injection 
attacks for hardware realizations of ciphers. AutoFault can be used to 
quickly evaluate the resistance of security-critical hardware blocks to 
fault attacks and the adequacy of implemented countermeasures. A circuit 
description of the cipher and the faults is taken as input, and 
AutoFault produces an algebraic formula that can be handled by an 
external solver. In contrast to previous work, attacks constructed by 
AutoFault do not incorporate any cipher-specific cryptoanalytic 
derivations, making the framework accessible to users without 
cryptographic background. We report successful application of AutoFault 
in combination with a state-of-the-art SAT solver to LED-64 and to 
small-scale AES.

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