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Cloud computing
Bräuer, Jonáš ; Dzurenda, Petr (referee) ; Ricci, Sara (advisor)
Bezpečnost a zachování důvěrnosti dat uložených s využitím veřejných cloudových služeb je dnes velmi aktuální téma. V této práci se, na rozdíl od tradičního šifrování, zabýváme možností využití dělení dat k zabezpečení citlivých dat. Cílem práce je implementovat a porovnat dva již publikované protokoly pro násobení matic využívající dva rozdílné přístupy dělení dat. Na základě jejich vlastností byla navržena originální varianta, která na rozdíl od původních protokolů zohledňuje i případ, kdy poskytovatelé cloudových slu- žeb tajně spolupracují. Všechny tyto protokoly byly naimplementovány za použití plat- formy Java a veřejných cloudových služeb. Na závěr byla změřena výkonnostní náročnost a zhodnoceny požadavky na úložiště.
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Enhance the Security of the Information System in the Municipal Administration
Solár, Matúš ; Martin,, Pétery (referee) ; Ondrák, Viktor (advisor)
This bachelor’s thesis deals and analyzes the problems in the area of information system security. It proposes a possible solutions, its practical implementation, improve safety in the real environment of government, namely the municipal office. First part of this work analyzes the current situation, which describes the deficiencies in the given directions. Another part of this work speaks about theoretical background and in the end are explained my practical advices for improving of the security system.
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Information System Assessment and Proposal for ICT Modification
Řezáč, Michal ; Smrž,, Pavel (referee) ; Koch, Miloš (advisor)
This diploma work deals with the information system assessment and proposal for its modification. The theoretical part describes the basic concepts and issues related to information systems. The analytical part of assessing information system according to the methods for determining the current state. The design part is based on the analytical part and the main goal of this section is to design changes to improve the current situation with the subsequent economic evaluation.
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Data transmition security with general linear block codes
Dzurenda, Petr ; Tejkal, Vladimír (referee) ; Němec, Karel (advisor)
This work deals with problematic basic characteristic common linear block codes, concretely with creation generating and controlling matrix and individual ways decoding common linear block codes and then are theoretic knowledge used in the next part bachelor’s thesis. Next part this work is bent on the concrete layout of common liner block code satisfactory specifications by submission. In this part it can by find way haw create generating matrix be able to correcting tree single errors then create control matrix for decoding and correct network for correcting errors. Programs are used in this work are explained there. In the end this part is example of coding and decoding. Lastly work is realization codec. In this part is description of coder and decoder realizations. This codec is simulating by program Matlab Simulink in part five. In last part are create boards of printed circuits by program Eagle for coder and decoder.
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Company´s Security Policy
Novotná, Ivana ; Hlavenka, Jiří (referee) ; Ondrák, Viktor (advisor)
Presented Bachelor’s thesis comprehensive analyses problems of IT security of concrete Czech company medial size and suggests integrated solution of this sphere including practical implementation at the same time. According to the extent of problems I choose section of company’s security policy.
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Anti-Error Coding Systems with Block Codes
Pacher, Jakub ; Zezula, Radek (referee) ; Němec, Karel (advisor)
This work deals with selection and proven suitable error-correcting code securing aggregating errors. First we give analysis anti-error coding system and requirements rapid/fire at them. The next text is focusing on survey and characteristics often used codes, mainly Fire, Hamming and two BCHs codes. After an explanation of Hamming code use, the text describes verification of proper function anti-error system in the MathCad enviroment.
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E-commerce Design
Staňka, Jakub ; Neuwirth, Bernard (referee) ; Luhan, Jan (advisor)
The thesis contains information about development of a simple online store using basic technologies like HTML, CSS, PHP, Javascript etc. The website design has been optimized for SEO and subjected to optimization test. Data security of the store is also the scope of the work.
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Data Backup and Data Storage
Rudy, Klára ; Neuwirth, Bernard (referee) ; Kříž, Jiří (advisor)
The bachelor’s thesis deals with the problematics pertaining to data backup and data storage. The theoretical section describes how computers interpret data. The history of data storage is then described, starting with punched cards and ending with the cloud. The section concerning data backup describes different types of backups along with suggested practices. The practical section of the thesis covers the analysis of the company Krako-Welding, s.r.o., the result of which is a proposal for improving practices for handling stored data.
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E-commerce Design
Staňka, Jakub ; Neuwirth, Bernard (referee) ; Luhan, Jan (advisor)
The thesis contains information about development of a simple online store using basic technologies like HTML, CSS, PHP, Javascript etc. The website design has been optimized for SEO and subjected to optimization test. Data security of the store is also the scope of the work.
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