Ihor Vasyltsov

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In this paper, a new true random number generator (TRNG), based entirely on digital components is proposed. The design has been implemented using a fast random number generation method, which is dependent on a new type of ring oscillator with the ability to be set in metastable mode. Earlier methods of random number generation involved employment of jitter,(More)
In this paper the application of statistical approach for anomaly detection in a wearable ECG monitor has been considered. The method is based on the usage of the pre-defined expected behavior of the monitored biomedical signal and its on-line comparison with real-time measurements. Such comparison can be implemented based on the statistical model of ECG(More)
In this paper there is proposed an approach for seamless unlock security function for mobile application. The method combines the biomedical signals measured from human body and motion signals acquired from the devices. For this purpose a wearable device and a mobile device can be securely synchronized. It is shown that entropy extracted from biomedical ECG(More)
In this paper, the theoretical approach to estimate the amount of entropy which can be extracted from heart-rate based biomedical signals has been considered. Mathematical models for estimating the values of min-entropy, Shannon entropy, and collision entropy have been created. This allows obtaining the theoretical background and estimations for upper bound(More)
In this article we created the mathematical model of “client to server” communication including the compromised node probabilities and a number of possible routes having an admission to access points, also comparative characteristics of DoS/DDoS attacks in computer network has been provided herewith.
This paper represents the mathematical background to estimate the secret information leakage risks during timing analysis the most general modern modular exponentiation methods. The comparison of the leakage risk of those methods has been done. Possible countermeasures to decrease the secret information leakage risk level have also been proposed.