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. 
@article{PDMA_2022_15_a17,
     author = {V. M. Fomichev and D. A. Bobrovskiy and R. R. Sotov},
     title = {Key schedule based on a modified additive generator},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {70--73},
     publisher = {mathdoc},
     number = {15},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2022_15_a17/}
}
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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/