@misc{Misztal_Michał_The, author={Misztal, Michał}, howpublished={online}, publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa}, language={ang}, title={The signal to noise ratio in the differential cryptanalysis of 9 rounds of data encryption standard, Journal of Telecommunications and Information Technology, 2006, nr 3}, type={artykuł}, keywords={differential cryptanalysis, substitution boxes, S/N ratio, block cipher DES}, }