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On the Construction of Involutory MDS Matrices over F2^m
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作者 BAI Jian SUN Yao WANG Dingkang 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2020年第3期836-848,共13页
This paper studies the problem of constructing lightweight involutory maximal distance separable(MDS)matrices.The authors find the exact lower bound of the XOR counts for 4×4 involutory MDS matrices over F2^4.Fur... This paper studies the problem of constructing lightweight involutory maximal distance separable(MDS)matrices.The authors find the exact lower bound of the XOR counts for 4×4 involutory MDS matrices over F2^4.Further,some new structures of 4×4 involutory MDS matrices over F2^mare provided to construct involutory MDS matrices and the authors constructed the lightest4×4 involutory MDS matrices over F2^8so far by using these structures. 展开更多
关键词 Diffusion layer involutory mds matrix LIGHTWEIGHT
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