National Repository of Grey Literature 170 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Software for entropy resource evaluation
Šelinga, Martin ; Zeman, Václav (referee) ; Burda, Karel (advisor)
This thesis is focused on exploring the sources of entropy. It includes a description of random number generators and tests used to evaluate entropy quality. Random number generator for Windows and Linux OS was created together with software for entropy evaluation. Subsequently, measurement of entropy was performed on physical workstations and Cloud environments.
Security Aspects of Applications in Angular 5 Platform
Čermáková, Martina ; Zeman, Václav (referee) ; Burda, Karel (advisor)
The bachelor thesis is focused on security aspects of Single Page Application in An- gular 5. The main goal is to introduce security risks for developing a web applications and afterwards to implement author’s own knowledge that should guarantee security of the developed application. In theoretical part the reader is introduced to OWASP Top Ten project and security risks in backend, where is primary put stress on XSS and CSRF attacks. In practical part there is created a web application in Angular 5, there are simulations of XSS and CSRF attacks including explanation and fix of security issue. The thesis also aims at security of REST service and includes a summarizing list of recommendations for developers to know how to create secure web applications.
Teaching software for designing an intrusion alarm system
Malík, Ondrej ; Zeman, Václav (referee) ; Burda, Karel (advisor)
In this thesis, we propose a web application for creating basis of documentation for intrusion alarm systems. The application will serve students of the course Security systems for their project work. In the first part of the thesis, we describe general principles of intrusion alarm systems operation that are important for a correct design of a functional and secure alarm system. The proposed application builds on these principles and its functioning is described in the second part of the thesis.
Quantum-safe cryptography
Hovanová, Tatiana ; Člupek, Vlastimil (referee) ; Zeman, Václav (advisor)
This bachelor thesis deals with the possibilities of quantum computatutions and their use in cryptanalytic algorithms. The introductory chapters are devoted to explaining the basic concepts of quantum theory and quantum operations. Part of the thesis describes effects, that affect DiVincenzo’s criteria, such as superposition, quantum entanglement, quantum interference, decoherence, and quantum error correction. The current quantum computer chapter deals with the current stage of the quantum computer development by IBM, D-Wave and Intel. Shor’s and Grover’s algorithm are described from cryptoanalytical algorithms, and their impact on security is also described. Post-quantum cryptography is represented by cryptosystems from four basic directions: hash-based cryptography (Lamport’s scheme, Merkle’s scheme), cryptography based on coding theory (McEliece cryptosystem), grid-based cryptography (NTRU cryptosystem) and cryptography based on polynomial equations (stream cipher QAUD). The next part of the thesis is devoted to the design of a web-based educational application that includes, among other things, laboratory tasks demonstrating the current possibilities of quantum circuits. The website explains the principles of selected operations, cryptosystems and algorithms in the form of animations. The first laboratory task deals with the introduction to quantum computations. It contains five partial tasks explaining the basics of quantum operation (Hadamard, X-rotation, Z-rotation, Y-rotation, etc.). The second task includes instructions for constructing the Grover’s algorithm using the Quirk simulator.
Network tester
Haško, Juraj ; Fujdiak, Radek (referee) ; Zeman, Václav (advisor)
The thesis deals with data network testing. The aim of the thesis is to design a methodology for the comprehensive measurement of network transmission parameters and design of the tester concept and realisation by helping to extend the existing JMeter program.
Web portal for organizing races
Maslák, Roman ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
This bachelor thesis deals with system for support of races. CMS Drupal is used to manage this system, which this system is suitable for web site content management. The first part of this work is devoted to the description and requirements that the proposed system for the support of races has to contain. The second part of the thesis deals with comparison of available CMS systems. Here are the most commonly used CMS systems that are currently available in OpenSource licenses. Next, there is a possibility to create a custom content management system, or use it with one CMS system. The third part is devoted to designing a web portal. This section contains flowcharts describing the principle of how each function works. It also contains a description of the basic structure of the web portal and the procedure for installing the CMS system. The last part describes the practical realization of the web portal. The procedure for accessing data stored in the MySQL database, generating start and result documents in a PDF file, registering racers, using client mail and setting up a CMS system is described here. In conclusion, all the results of the work are summarized.
Electronic identification and trust services in electronic transactions
Hrbotický, Lukáš ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
Bachelors thesis talking about problematics of electronic identification and trust services in electronic transactions. It describes and explains concepts used in the area of electronical communication mentioned in regulation eIDAS. Solutions demonstrating trust services are part of the work. As practical part of this thesis was created laboratory exercise, in which will students try the possibilities offered by certification authority. The goal of this work is explanation and definition of concepts according to eIDAS regulations and realization of system demonstrating these services.
Certification authority
Herinek, Denis ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
There is a lot of available services on the internet those need to be more secured and trusted. Public key infrastructure is used in sectors where are higher expectations in case of authentication, integrity and confidentality. It is almost impossible to imagine how internet banking or electronic signatures of important documents would work without PKI. There is a lot of open-source realisations of PKI created by users. Digital certificates as a part of PKI are issued by certificate authorities. This diploma thesis consists of open- source realisation of certificate authority and timestamping authority to demonstrate services which they provide.
Analysis of control procedures in 4th generation mobile networks
Schaller, Lukáš ; Zeman, Václav (referee) ; Novotný, Vít (advisor)
The subject of the diploma thesis are procedures in EPS network related to the operation of mobile terminals. In the introduction of my work I described the EPS system, including the quality of services and bearers. The following section focuses on control procedures in the EPS system such as attach network procedure, detach procedure, service request, handover or tracking area procedure. Further, three technologies for Internet of Things were described, namely EC-GSM-IoT, LTE-M and NB-IoT. All the procedures mentioned above were also captured in the experimental VUT EPS network and analyzed by TravelHawk using software M5 and Wireshark. Theoretical and practical findings were subsequently used out for setting of laboratory task for subject MKPM.
Methods for measurement of data network performance and quality parameters
Sukup, Luboš ; Zeman, Václav (referee) ; Novotný, Vít (advisor)
Master thesis involves the development of quality measurement issues and performance parameters in data networks. It describes the main technologies as they affect the quality and performance parameters and the effect of these parameters for voice, video and data services. Next are listed some methods for measuring parameters of the data network.In the practical part is selected one method of measuring network parameters and properties of this method are demonstrated by illustrative examples.

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