Advances In Cyber-Physical Systems. – 2022. – Vol. 7, No. 1

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Засновник і видавець Національний університет «Львівська політехніка». Виходить двічі на рік з 2016 року.

Advances in Cyber-Physical Systems / Lviv Polytechnic National University ; editor-in-chief A. Melnyk. – Lviv : Lviv Politechnic Publishing House, 2022. – Volume 7, number 1. – 64 p. : il.

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Content (Vol. 7, No 1)


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Recent Submissions

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  • Item
    Features of using large keys in “Kalyna” algorithm
    (Видавництво Львівської політехніки, 2022-06-06) Zaiats, Taras; Bilenko, Volodymyr; Hlukhov, Valerii; Lviv Polytechnic National University
    The information security is playing an increasingly important role nowadays. Therefore, virus can be transmitted through the information in encrypted form. This is also applied to embedded systems. In this regard, the article is assigned to the topic of cryptocurrency protection in embedded systems. The article is focused on the algorithm of symmetric block transformation “Kalyna”. The algorithm has been developed in cooperation with the State Special Communications Service and leading Ukrainian scientists. The experience and results of international and open national competition of cryptographic algorithms have been taken into account. The algorithm is intended for gradual replacement of the interstate standard DSTU GOST 28147: 2009. Its differences from other data encryption standards used, both in Ukraine and in the world, have been analyzed. The stability of the “Kalyna” algorithm has been also analyzed using a high-bit key (512 bits) and its speed has been compared with other cryptographic protection algorithms.
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    Performance analysis of stego image calibration with the usage of denoising autoencoders
    (Видавництво Львівської політехніки, 2022-06-06) Progonov, Dmytro; Igor Sikorsky Kyiv Polytechnic Institute
    Methods for early detection of sensitive information leakage by data transmission in open (public) communication systems have been of special interest. Reliable detection of modified (stego) cover files, like digital images, requires usage of computation-intensive methods of statistical steganalysis, namely covering rich models and deep convolutional neural networks. Necessity of finetuning parameters of such methods to minimize detection accuracy for each embedding methods has made fast retrain of stegdetectors in real cases impossible. Therefore, development of low-complexity methods for detection of weak alterations of cover image parameters under limited prior information about used embedding methods has been required. For solving this task, we have proposed to use special architectures of artificial neural networks, such as denoising autoencoder. Ability of such networks to estimate parameters of original (cover) image from the noisy ones under limited prior information about introduced alterations has made them an attractive alternative to state-of-the-art solutions. The results of performance evaluation for shallow denoising autoencoders showed increasing of detection accuracy (up to 0.1 for Matthews correlation coefficient) in comparison with the state-of-the-art stegdetectors by preserving low-computation complexity of network retraining.
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    Smart information board based on PSOC 6 MCU
    (Видавництво Львівської політехніки, 2022-06-06) Lozynskyi, Yurii; Torubka, Taras; Lviv Polytechnic National University
    Nowadays, the development of electronics and related technologies is very fast. An extremely significant role in the life of moder society is took by information output devices, the development and modernization of which is an urgent task. Using the idea regarding wireless control of remote devices, an information board with remote control was developed. This article provides a reader with the development of universal information board which customers will be able to assemble for the dimensions that they need. The created device displays text news from websites, displays time and important messages. For the convenience of updating information and automation – the board should have WiFi with Internet connection. The information board is a great way to receive news quickly, without using other means to obtain information. The information board is designed on the CY8C624ABZI-D44 microcontroller. Also, important structural elements of this board are: buffer chip – SN74ALS244CN, LED matrix control chip – MAX7219, LED matrix – 1088AS and WiFi module – LBEE5KL1DX. The functional diagram of the module 1088AS and MAX7219 connected to PSoC 6 has been designed.
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    Software system for monitoring the situation in the settlement
    (Видавництво Львівської політехніки, 2022-06-06) Kundys, Serhii; Havano, Bohdan; Morozov, Mykola; Lviv Polytechnic National University; Technical University of Munich, Boltzmannstr
    The goal of the work is to develop the software system of monitoring of a situation in the settlement. It consists of the user interface which is presented as a mobile application and the server. This paper describes the process of developing a client-server software system in stages using the latest technologies which will be relevant and easy to maintain in the future. The technologies used in the development process, the systems and modules which were integrated into the project, the main approaches to software development, as well as an explanation of why this particular stack of technologies was preferred for the implementation of this software system have been described. To make sure that developed mobile application meets common optimization requirements it has been tested for resources usage.
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    Service for monitoring the conditions of vaccination of the population against coronavirus infection
    (Видавництво Львівської політехніки, 2022-06-06) Feshchenko, Zakharii-Andrii; Yurchak, Iryna; Lviv Polytechnic National University
    Health care is a system of measures aimed at ensuring the preservation and development of physiological and psychological functions, optimal performance and social activity of man at the maximum biologically possible individual life expectancy. The key goal of any health care system is the availability and quality of medical care, medical services, medical care. The main goal of any country is to build an effective model of the health care system and achieve the highest level of public health with minimal resources. The purpose of developing a service to monitor the vaccination status of the population against coronavirus infection is to help users learn information about vaccination and general statistics in the country on vaccinations. This system is suitable for both qualified medical users and users who are unfamiliar with medicine but want to know more about vaccination data. The article attempts to analyze the types of services for vaccinations and their alternatives. It describes the principle of operation of the vaccination service in the form of a report made on the application platform for visualization of Microsoft Power BI Desktop.
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    A secure design on mifare classic cards for ensuring contactless payment and control services
    (Видавництво Львівської політехніки, 2022-06-06) Kose, Busra Ozdenizci; Uluoz, Hakan; Coskun, Vedat; Gebze Technical University, Kocaeli, Turkey; Konfides Information Technologies, Istanbul, Turkey; Beykent University, Istanbul, Turkey
    Today, various contactless smart cards are used to protect our personal information and to perform secure and fast transactions. Many contactless smart card applications are becoming commonplace, from corporate access control cards to electronic passports and financial payment. There is a wide variety of smart cards on the market that differ in size, chasis, memory, computing power, and even the security features they provide. Although MIFARE Classic cards, which are used in many areas due to their price performance, meet certain security and functional needs, the weaknesses of these cards have made the applications and systems they are used in question. The aim of this study is to introduce a new design on MIFARE Classic contactless cards that will eliminate the basic shortcomings with minimum impact, and to perform high-security payment transactions using these cards, which do not support high-security payment transactions in their basic design. By using flexible data organization and storage scheme, their sector structure can be used for different purposes. The proposed new design includes derivation of critical card data by using cardspecific information which ensures that the keys that provide access to the sectors of card are different on all cards; protection of card information through a certificate mechanism; usage of a new data structure with mirroring and redundancy methods to ensure data integrity and provide a server-side authentication mechanism for online transactions. It is possible that the proposed new design will pave the way for the secure use of MIFARE Classic cards in new generation payment and control systems.
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    Client-server system for parsing data from web pages
    (Видавництво Львівської політехніки, 2022-06-06) Britvin, Artur; Alrawashdeh, Jawad Hammad; Tkachuck, Rostyslav; Lviv Polytechnic National University; Majmaah University; Lviv State University of Life Safety
    An overview of the basic principles and approaches for extracting information and processing information from web pages has been conducted. A methodology for developing a client-server system based on a tool for automation of work in Selenium web browsers based on the analyzed information about data parsing has been created. A third-party API as a user interface to simplify and speed up system development has been used. User access without downloading additional software has been enabled. Data from web pages have been received and processed. Development has been based on this methodology of its own client-server system, which is used to parse and collect the information presented on web pages. Analysis of cloud technology services for further deployment of data collection system from web pages has been carried out. Assessment and analysis of the viability of the system in an autonomous state have been deployed in the cloud service during long-term operation.
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    Microprocessor subsystem of the smart house to control the multichannel irrigation of the room plants
    (Видавництво Львівської політехніки, 2022-06-06) Borak, Taras; Kushnir, Dmytro; Paramud, Yaroslav; Lviv Polytechnic National University
    This article develops the principles of building an intelligent home microprocessor subsystem to control the multi-channel irrigation of houseplants. The relevance of this topic has also been substantiated. Currently, there is a small number of devices in demand with a comfortable user interface and timer, which allows to adjust the watering at any time of day. The advantages over other available analogs and the need to create a customized system have been investigated. The developed structuralschematic diagram of the irrigation control system of houseplants based on the Arduino Nano microcontroller and a diagram of the algorithm of the subsystem has been proposed and given. As a result, there has been an example of the development of a subsystem that aims to improve and simplify the care of houseplants, which will save time and water resources.