[Davio83] M. Davio, Y. Desmedt, M. Fosseprez, R. Govaerts, J. Hulsbosch, P. Neutjens, P. Piret, J. Quisquater, J. Vandevalle, and P Wouters, Analytical Characteristics of the DES, IACR, Advances in Cryptology, 1983, Aug, Plenum Press, 171-2 02. []
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