CONTENTS
Efimov D. B. Combinatorial aspects of the q-Hafnian ... 5
Kutsenko A. V. Characterization of some classes of isometric mappings that preserve self-duality of generalized bent function ... 18
Pankratova I. A., Sorokoumova A. D. On cryptanalytic invertibility of discrete functions ... 37
Denisov O. V., Andreev E. D., Bataev M. A. Characteristics of distinguishing attacks on 3 and 4 rounds of the Luby — Rackoff scheme in independent permutations model ... 55
Ioganson I. D., Davydov V. V., Dakuo J.-M. N., Khutsaeva A. F. Mental poker protocol based on the problem of finding isogenies between elliptic curves ... 68
Cheremushkin A. V. General scheme for a class of Diffie — Hellman type protocols ... 94
Byzov V. A., Pushkarev I. A. Explicit construction of infinite families of strongly regular digraphs with parameters ((v+(2^(n+1)−4)t)2^(n−1), k+(2^n − 2)t, t, λ, t) ... 111
BRIEF INFORMATION ABOUT THE AUTHORS ... 129
