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2-round Substitution-Permutation and 3-round Feistel Networks have bad Algebraic Degree
2-round Substitution-Permutation 3-round Feistel Networks Algebraic Degree
2010/2/20
We study algebraic degree profile of reduced-round block cipher schemes.
We show that the degree is not maximal with elementary combinatorial
and algebraic arguments. We discuss on how it can be tur...