Вимірювальна техніка та метрологія. – 2021. – Випуск 82, №2

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Measuring Equipment and Metrology : scientific journal. – Lviv : Lviv Politechnic Publishing House, 2021. – Volume 82, № 2. – 58 р.

Вимірювальна техніка та метрологія

Зміст (том 82, № 2)

1. Титульний аркуш до “Вимірювальна техніка та метрологія”	1
2. Mochurad L., Kryvenchuk Y., Yatsyshyn S. Parallelization of RSA cryptographic algorithm based on CUDA technologies	5
3. Mykyichuk M., Hut T., Lazarenko N. Metrological requirements of weigh-in-motion systems for vehicles	10
4. Krayovskyy V., Pashkevych V., Horpenuk A., Romaka V., Stadnyk Y., Romaka L., Horyn A., Romaka V. Research of thermometric material Er1-xscxNiSb. I. Modelling of performances	16
5. Mašková K., Petrovska I., Ryshkovskyy O., Yatsyshyn S. Radio frequency identification in cyber-physical systems	22
6. Kuzmenko I., Samoilenko O., Tsiporenko S. Multipurpose measurement models for adjustment by the least-squares method	29
7. Mykyichuk M., Rudyk Y. Material testing and results estimation by safety indexes	38
8. Tchaban V. Problem of the cosmic gravity measurement	46
9. Kostiukov I. Dielectric dissipation factor in three-core power cables	50
10. Зміст до “Вимірювальна техніка та метрологія”	57

Content (Vol. 82, No 2)

1. Tytulnyi arkush do "Vymiriuvalna tekhnika ta metrolohiia"	1
2. Mochurad L., Kryvenchuk Y., Yatsyshyn S. Parallelization of RSA cryptographic algorithm based on CUDA technologies	5
3. Mykyichuk M., Hut T., Lazarenko N. Metrological requirements of weigh-in-motion systems for vehicles	10
4. Krayovskyy V., Pashkevych V., Horpenuk A., Romaka V., Stadnyk Y., Romaka L., Horyn A., Romaka V. Research of thermometric material Er1-xscxNiSb. I. Modelling of performances	16
5. Mašková K., Petrovska I., Ryshkovskyy O., Yatsyshyn S. Radio frequency identification in cyber-physical systems	22
6. Kuzmenko I., Samoilenko O., Tsiporenko S. Multipurpose measurement models for adjustment by the least-squares method	29
7. Mykyichuk M., Rudyk Y. Material testing and results estimation by safety indexes	38
8. Tchaban V. Problem of the cosmic gravity measurement	46
9. Kostiukov I. Dielectric dissipation factor in three-core power cables	50
10. Zmist do "Vymiriuvalna tekhnika ta metrolohiia"	57

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Parallelization of RSA cryptographic algorithm based on CUDA technologies
(Видавництво Львівської політехніки, 2021-02-23) Mochurad, Lesia; Kryvenchuk, Yuriy; Yatsyshyn, Svyatoslav; Lviv Polytechnic National University
The paper examines the efficiency of the application of CUDA technologies for the parallelization of the cryptographic algorithm with the public key. The speed of execution of several implementations of the algorithm is compared: sequential implementation on the CPU and two parallel implementations – on the CPU and GPU. A description of the public key algorithm is presented, as well as properties that allow it to be parallelized. The advantages and disadvantages of parallel implementations are analyzed. It is shown that each of them can be suitable for different scenarios. The software was developed and several numerical experiments were performed. The reliability of the obtained results of encryption and decryption is confirmed. To eliminate the influence of external factors at the time of execution the algorithm was tested ten times in a row and the average value was calculated. Acceleration coefficients for message encryption and decryption algorithms were estimated based on OpenMP and CUDA technology. The proposed approach focuses on the possibility of further optimization through the prospects of developing a multi-core architecture of computer systems and graphic processors.