| Youssef A.M., Tavares S.E., Modelling Avalanche Characteristics of a Class of Substitution -Permutation Networks, Proceedings of the 1st International Conference on Theory and Applications of Cryptology, PRAGOCRYPT'96, Czech Republic, 1996. |
....strong S boxes which do not satisfy SAC. But the resulting S boxes can be modified by transforming their inputs by a suitable linear transformation [SZZ93b] into SAC satisfying S boxes. Both previous constructions yield large but complex cryptographically strong S boxes. Youssef and Tavares [YT96] presented simplier S blocks, so called Substitution Permutation Networks (SPN) with cryptographically good properties. The SPN s constructed by their method have very good avalanche characteristics, but do not satisfy the ideal SAC. Using the idea of constructing large S blocks from smaller ....
Youssef A.M., Tavares S.E., Modelling Avalanche Characteristics of a Class of Substitution -Permutation Networks, Proceedings of the 1st International Conference on Theory and Applications of Cryptology, PRAGOCRYPT'96, Czech Republic, 1996.
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Youssef A.M., Tavares S.E., Modelling Avalanche Characteristics of a Class of Substitution -Permutation Networks, Proceedings of the 1st International Conference on Theory and Applications of Cryptology, PRAGOCRYPT'96, Czech Republic, 1996.
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