CASca: a CA based scalable stream cipher. This paper presents a scalable stream cipher based on Cellular Automata. The cipher uses linear and nonlinear cellular automata as crypto primitives. The properties of maximum length nonlinear cellular automata have been exploited to design the cipher. Rotational symmetric bent function is used in the final combiner of the cipher which is proven to be secured against certain kind of fault attacks. The scalability provides different security level for different applications. Finally the cipher is shown to be very hardware efficient.

References in zbMATH (referenced in 1 article , 1 standard article )

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  1. Ghosh, Shamit; Chowdhury, Dipanwita Roy: CASca: a CA based scalable stream cipher (2015)