Titlebook: Kosten- und Leistungsrechnung; Helmuth Jost Book 1988Latest edition Springer Fachmedien Wiesbaden 1988 Datenverarbeitung.Instandhaltung.Ko

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A Note on the Higher Order Differential Attack of Block Ciphers with Two-Block Structures,rential and linear cryptanalysis. The two-block structures are classied three types according to the location of round function such as C(Center)-type, R(Right)-type, and L(Left)-type. We prove that in the case of 4 rounds encryption function, these three types provide an equal strength against high