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Generalisation of Hadamard matrix to generate involutory MDS matrices for lightweight cryptography
Pehlivanoglu, Meltem Kurt; Sakalli, Muharrem Tolga; Akleylek, Sedat; Duru, Nevcihan; Rijmen, Vincent (Inst Engineering Technology-Iet, 2018)In this study, the authors generalise Hadamard matrix over F-2m and propose a new form of Hadamard matrix, which they call generalised Hadamard (GHadamard) matrix. Then, they focus on generating lightweight (involutory) ... -
Generating MDS Matrices in Toeplitz Form by Using Generalised Hadamard Form
In this paper, hardware efficient diffusion layers are generated. Non-involutory and new 8x8 MDS matrices over GF(2(8)) with the best-known XOR counts are constructed by using a new matrix form, which is developed by ... -
On the Design Strategies of Diffusion Layers and Key Schedule in Lightweight Block Ciphers
Pehlivanoglu, Meltem Kurt; Akleylek, Sedat; Sakalli, M. Tolga; Duru, Nevcihan (Ieee, 2017)In recent years, lightweight cryptography has become essential especially for the resource-constrained devices to ensure data protection and security. The selection of suitable cryptographic algorithm which is directly ...
