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This paper demonstrates a Fault Attack on anAES core protected by an infection type countermeasure. The redundant AES is implemented on a Xilinx Spartan-6FPGA, with a feature size of 45 nm. By injecting exactlythe same fault in both state registers of the redundantimplementation using lasers, we are able to annul theprotection added by the countermeasure and thus performa successful Differential Fault...
Steadily decreasing transistor sizes and new multi beam laser attacks lead to an increasing amount of multi-bit fault occurrences, e.g. during fault attacks against cryptographic implementations. Therefore, multi-bit fault injection becomes more important during security and safety verification. Fault injection techniques which are applicable during the development cycle of a device are based on either...
In this contribution, we present an FPGA-based simulation environment for fault attacks on cryptographic hardware designs. With our methodology, we are able to simulate the effects of global fault attacks from e.g., spikes and local attacks from e.g., focused laser beams. The environment simulates transient bit-flip faults in sequential elements of a digital design. In this way it is tailored to the...
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