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Information system for management of cars monitored by satellites
Čech, Dominik ; Skořepa, Michal (referee) ; Cvrk, Lubomír (advisor)
To purpose of this master´s thesis is modernization of database system. This system is designed in Microsoft Office Access program. To create the new system will be used HTML and PHP languages, as a database server will be used MySQL. The first section contains information about data modeling. In the next part there is description of UML language and Use Case diagram for users of system. The main part of the thesis is description of the created system. There are views of screens which can be used by users. Multiuser operation is realized by users rights and definitions enter to the system. The whole database is created as a web application. Application will be uploaded to the company server. Users start the system through their web browser.
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CMS system combined with e-shop system
Orság, Lubomír ; Vyoral, Josef (referee) ; Cvrk, Lubomír (advisor)
Aim of this master’s thesis was design of front-end and back-end interfaces of electronic shopping system. Design consists of completing individual use-case and workflow diagrams. Next it was explored possible security risks, designed security actions against these risks, explored payment methods usable in electronic shopping systems and methods of its implementation. There was chosen PHP programming language in combination with MySQL relation database management system to be used for development of final application. As result of this work was development of electronic shopping system final application with extended user options, ability of placement at any business type and possibilities that present-day internet user expects from electronic shopping system. To accomplishment the aim of this work contributed implementation of extended user options as advanced catalog items sorting, multi level catalog structure and advanced search options. It succeeded in choosing and implementing designed security prevention and implementing of template engine into final application. Whole system is described in detail using data modeling and class diagrams.
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Secure peer-to-peer communication system
Eliáš, Luboš ; Koutný, Martin (referee) ; Cvrk, Lubomír (advisor)
The main aim of this master's thesis is to implement a common, secure and peer-to-peer communication system. The system has ability to automatically establish and run a secure end-to-end connection. It has this ability even if a network address translator is in the way to the destination system, without need of any explicit configuration of this translator. The security procedures of this system are in a transparent manner masked from individual applications, which had to solve this challenge in their own way. A responsibility for a security is delegate to an application-independent subsystem working within the core of an operating system. The security of this subsystem is based on capturing the outbound and inbound IP packets and their authentication and encryption. The system was successfully implemented in MS Windows XP operating system, in programming language C++. Transfer rate of communication tunnel in different network bandwidth speeds was measured. Result shows, that in the case of use the system on standard PC sold nowadays is practically no decrease of the transfer rate in comparison to a common channel.
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