Titlebook: Biometrics, Computer Security Systems and Artificial Intelligence Applications; Khalid Saeed,Jerzy Pejaś,Romuald Mosdorf Conference procee

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Synthesis of Codebooks with Perceptually Monitored Structure for Multiband CELP-Coders for multiband CELP-coders. Codebooks quality and its dependence on the codebooks structure are studied. The research work presents multiband codebook with multistage organization and reconfigurable structure optimized by SNR, Bark Spectrum Distortion (BSD), Modified Bark Spectrum Distortion (MBSD)

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Parallelization of Standard Modes of Operation for Symmetric Key Block Cipherswith the description of exploited parallelization tools. The data dependencies analysis of loops and loop transformations were applied in order to parallelize sequential algorithms. The OpenMP standard was chosen for representing parallelism of the standard modes of operation for block ciphers. The

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On Differential and Linear Approximation of S-box Functionsitrary functions with . binary inputs and . binary outputs, where 1 ≤ .=m ≤10. For randomly chosen functions from each of the classes, the distribution of the best nonzero approximations is investigated. The based on the definitions of differential and linear approximation algorithms to compute a si

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Random Generation of S-Boxes for Block Cipherslgorithms for the construction of bent functions and we formulate our algorithm for random generation of perfect nonlinear functions. We present results of experiments performed on S-boxes and we compare them with results obtained using deterministic methods.

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Hash Chaining for Authenticated Data Structures Freshness Checking popularity of public key infrastructure and its uses led to development of new data distribution methods — distribution based on untrusted publishers. It is possible to publish data by an untrusted publisher, however this data must contain authentication information in it. Validation of that inform

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