Abstract:This work proposes substantial algorithmic enhancements to the SPEA attack of Schlösser et al. [16] by adding cryptographic postprocessing, and improved signal processing to the photonic measurement phase. Our improved approach provides three crucial benefits: (1) For some SBox/SRAM configurations the original SPEA method is unable to identify a unique key, and terminates with up to 2 48 key candidates; using our new solver we are able to find the correct key regardless of the respective SBox/SRAM configuratio… Show more
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