Geodesic
Key schedule based on a modified additive generator
Prikladnaya Diskretnaya Matematika. Supplement, no. 15 (2022), pp. 70-73.

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A method of round key generation for iterated block ciphers based on a modified additive generator (MAG), and, in addition, on MAG and a linear congruent generator in a series circuit is proposed. The bijectivity of the generating transformation is demonstrated. Using the matrix-graph approach the number of iterations necessary for achieving enhanced cryptographic properties is experimentally evaluated. This number depends on the generator characteristics.
Keywords: key scheduling algorithm, iterative block ciphers, matrix-graph approach, modified additive generator, mixing properties, nonlinearity. 
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V. M. Fomichev; D. A. Bobrovskiy; R. R. Sotov. Key schedule based on a modified additive generator. Prikladnaya Diskretnaya Matematika. Supplement, no. 15 (2022), pp. 70-73. http://geodesic.mathdoc.fr/item/PDMA_2022_15_a17/

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