[Resource Topic] 2004/085: The CS2 Block Cipher

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The CS2 Block Cipher

Authors: Tom St Denis


In this paper we describe our new CS$^2$ block cipher which is an extension of the original CS-Cipher. Our new design inherits the efficiency of the original design while being upgraded to support a larger block size as well as use a slightly improved substitution box. We prove that our design is immune to differential and linear cryptanalysis as well as argue it resists several other known attacks.

ePrint: https://eprint.iacr.org/2004/085

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