Abstract GOST 28147-89 is a well-known block cipher. Its large key size of 256 bits and
incredibly low implementation cost make it a plausible alternative for AES-256 and triple …

Abstract GOST 28147-89 is a well-known Russian government encryption standard. Its large
key size of 256 bits at a particularly low implementation cost make that it is widely …

In this article the author revisits the oldest attack on GOST known, the Kara Reflection attack,
and another totally unrelated truncated differential attack by Courtois and Misztal. It is hard to …

In this paper, we present new general techniques for practical security evaluation against
differential and linear cryptanalysis for an extensive class of block ciphers similar to the …

In the paper, we construct security estimations of Poseidon hash function against non-binary
linear and differential attacks. We adduce the general parameters for the Poseidon hash …

Some results are obtained concerning the influence of bitwise (modular) addition on the
structure of the quotient group of a particular subgroup under the operation of modular …

Abstract GOST 28147-89 is a well-known block cipher and the official encryption standard of
the Russian Federation. A 256-bit block cipher considered as an alternative for AES-256 …

The upper bounds for the average probabilities of integer round differentials are obtained for
the composition of key adder, substitution block, and shift operator of special structure. The …