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Direct Construction of Lightweight Rotational-XOR MDS Diffusion Layers
Lightweight Cryptography MDS Diffusion Layers Bit-wise Circulant Matrices
2016/12/7
As a core component of Substitution-Permutation Networks, diffusion layer is mainly introduced by matrices from maximum distance separable (MDS) codes. Surprisingly, up to now, most constructions of M...
Direct Construction of Recursive MDS Diffusion Layers using Shortened BCH Codes
Recursive MDS Diffusion Layers Shortened BCH Codes
2016/1/8
MDS matrices allow to build optimal linear diffusion layers in
block ciphers. However, MDS matrices cannot be sparse and usually have
a large description, inducing costly software/hardware implement...
Efficient MDS Diffusion Layers Through Decomposition of Matrices
Diffusion layer MDS matrix Symmetric cipher
2015/12/24
Diffusion layers are critical components of symmetric ciphers. MDS matrices are diffusion layers of maximal branch number which have been used in various symmetric ciphers. In this article, we examine...