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The article is devoted to the questions of increasing the efficiency of one of the main cryptographic primitives of block encryption — 5-block. The variants of constructing the replacement block based on the block of stochastic data transformation are considered, providing, among other things, improving the statistical properties of the transformed sequences. An approach that consists in replacing...
The paper deals with the increase of protection systems' efficiency by means of the Honeypot technology. The design principles of this technology are described. We propose several ways of the file storages effective organization. Plans of collecting statistical information on malefactor's actions are discussed. Also the efficiency of the suggested approach is estimated.
The paper is devoted to the critical analysis of the pseudo-random number generators (PRNG) classification. The conclusion about the need to review the existing classification is done. It is shown that in addition to the traditional Feistel's Network «Square» and «Cube» must be considered, as well as hybrid architecture using Feistel's Network which round function is realized according to the scheme...
The paper is devoted to a research of modern block cryptoalgorithms statistical secure. The influence of each nonlinear round function step on transformed sequence statistical properties is analyzed. Theoretical calculations of the minimum rounds quantity necessary for full information dispersion and hashing are performed. The experimental results of modern stochastic algorithms nonlinear function...
This offers an approach to improvement of the graphic test “Distribution on the Plane” allowing finding of weaknesses unidentifiable by the conventional tests. This contains testing findings of various pseudorandom number generators using the improved test.
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