TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Encryption Algorithms for Data Transmission Security in Industrial Environments
(Algoritmi de criptare pentru securizarea transmisiilor de date în medii industriale)
Vol LXVIII • No. 4/2016
Gabriela Bucur, Otilia Cangea, Cristina Popescu
Petroleum – Gas University of Ploiesti, 39 Bucureşti Blvd.
e-mail: ocangea@upg-ploiesti.ro

 Keywords   data security, RSA encryption algorithm, graphical interface

 Abstract
The paper presents an analysis and simulation of a secured data transmission system for parameters characteristic to industrial processes. An automatic system controls the temperature inside a furnace, and temperature values are stored into a data base. In order to be securely delivered into a text file for further transfer and processing, the measured values are encrypted using the RSA algorithm that provides a good encryption rate, has low technical requirements and is hard to be decrypted. The graphical interface of the secured temperature transmission application has been implemented in Microsoft Visual Studio 12.0 environment and it performs functions of process parameters acquisition, graphical representation of their dynamics, and data security using RSA encryption.

 Rezumat
Lucrarea prezintă analiza şi simularea unui sistem de transmisie a valorilor parametrilor caracteristici unui proces industrial. Un sistem automat reglează temperatura dintr-un cuptor, valorile măsurate fiind memorate intr-o bază de date. In plus, pentru a se putea realiza o transmisie securizată, aceste valori sunt criptate folosind algoritmul criptografic cu chei publice RSA, care permite obţinerea unor performanţe de securitate sporită. Aplicaţia de transmisie securizată a temperaturii a fost realizată în mediul Microsoft Visual Studio 12.0, folosind limbajul de programare C#. Sunt realizate funcţiile de achiziţie a parametrilor din proces, de reprezentare grafică a evoluţiei în timp a valorilor temperaturii şi de securizare a datelor folosind algoritmului de criptare RSA.



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