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LABORARTORY BRNO
Ryšavá, Pavla ; Pospíšil, Zdeněk (referee) ; Boháč, Ivo (advisor)
Solved land is located near the city of Brno close to the ring road. Adjacent to the park is varied, Janáček Theatre. There is a good connection to public transport. The main design concept is based on linking the two materials, which follows the line of the streets fluctuate Milady Horakove. At the junction of streets objects recede, they do not interfere into the intersection and at the same time formed a space before entering the building. The first floor is solved uncharacteristically against the other in order to create space for the smooth movement of pedestrians and affiliated street fluctuate Milady Horakove as Captain class Jaros. The last floor is increased compared to the other to produce a higher main exhibition space.
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Web-based application for cryptographic protocols visualization
Ryšavá, Pavla ; Dzurenda, Petr (referee) ; Ricci, Sara (advisor)
Práce se zabývá vytvořením interaktivní webové aplikace pro substituční šifry a jejich interaktivní kryptoanalýzu. V práci je implementováno šest šifer a zástupci monoalfabetických šifer jsou Caesarova šifra, Atbaš a substituce s klíčovým slovem. Dále zástupci polyalfabetických šifer jsou Vigenrova šifra, Kryptos a Vernamova šifra. Pro interaktivní analýzu je použita frekvenční analýza, index koincidence a n-gramová statistika jako fitness funkce. Výsledek byl dosažen za pomoci HTML5, CSS a skriptovacího jazyka ReactJS což je JavaScriptová knihovna s možností typové kontroly proměnných.
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Secret Sharing Authentication Key Agreement
Ryšavá, Pavla ; Dzurenda, Petr (referee) ; Ricci, Sara (advisor)
Práce se zabývá implementací a vytvořením kryptografické knihovny a grafického uživatelského rozhraní (GUI) pro nově navržený protokol "Smlouva o autentizačním klíči na základě Shamirova sdílení tajemnství" (ang. "Shamir’s Secret Sharing-based Authenticated Key Agreement", zkráceně ShSSAKA). Protokol je založený na principu AKA (autentizovaná domluva klíče), Schnorrově podpisu a rozšířen Paillierovým schématem pro možnost podílení se více zařízení na podpisu a autentizaci. Prezentovány jsou také benchmarky na osobním počítači a RaspberryPi.
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Paillier Cryptosystem Optimisations for Homomorphic Computation.
Ryšavá, P. ; Ricci, S.
Homomorphic encryptions can ensure privacy in systems operating with sensitive data. It also allows outsourcing the data processing without the need to disclose the information within. To keep good performance over the growing mass of data, the execution of homomorphic schemes has to be efficient. In this article, we focus on the optimization of the Paillier scheme. This scheme allows the addition of a constant or another ciphertext without decryption of the encrypted values. Since the exponentiation used in the encryption process is time-consuming, we have implemented noise and message pre-computation to avoid time-demanding operations. These adjustments significantly fasten the encryption process, especially using the noise pre-computation.
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Secret Sharing Authentication Key Agreement
Ryšavá, Pavla ; Dzurenda, Petr (referee) ; Ricci, Sara (advisor)
Práce se zabývá implementací a vytvořením kryptografické knihovny a grafického uživatelského rozhraní (GUI) pro nově navržený protokol "Smlouva o autentizačním klíči na základě Shamirova sdílení tajemnství" (ang. "Shamir’s Secret Sharing-based Authenticated Key Agreement", zkráceně ShSSAKA). Protokol je založený na principu AKA (autentizovaná domluva klíče), Schnorrově podpisu a rozšířen Paillierovým schématem pro možnost podílení se více zařízení na podpisu a autentizaci. Prezentovány jsou také benchmarky na osobním počítači a RaspberryPi.
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Determination of active substances in lubricant gel using gas chromatography.
Ryšavá, Pavlína ; Matysová, Ludmila (advisor) ; Šatínský, Dalibor (referee)
This thesis deals with the topic The determination of content substances in lubrication gel by method of gas chromatography and with lubrication gel Tea Tree Fantasy, which includes natural substance of tea tree oil. Tea tree oil has strong antiseptic, antimycotic and antifungal effects, and the terpinene-4-ol is its important germicidal component. This thesis is divided into eight chapters; its main part consists of chapters 3 - 6. The third chapter deals with the theoretical part, where the gas chromatography is described. This method is suitable for determination of terpinene-4-ol in lubrication gel. This chapter also deals with the validation of analytical method and with individual parameters and contains the characteristics of lubrication gel, tea tree oil and terpinene-4- ol. In the fourth chapter, there are worked out the search of used methods. The fifth chapter deals with the experimental part; all chemicals, instruments and conditions of isolation are written down there. The sixth chapter describes results and discussion from the development of analytical method, from the system suitability test and from the validation. The main goal of this thesis is the validation of gas chromatography method for the determination terpinene-4-ol in lubrication gel.
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Web-based application for cryptographic protocols visualization
Ryšavá, Pavla ; Dzurenda, Petr (referee) ; Ricci, Sara (advisor)
Práce se zabývá vytvořením interaktivní webové aplikace pro substituční šifry a jejich interaktivní kryptoanalýzu. V práci je implementováno šest šifer a zástupci monoalfabetických šifer jsou Caesarova šifra, Atbaš a substituce s klíčovým slovem. Dále zástupci polyalfabetických šifer jsou Vigenrova šifra, Kryptos a Vernamova šifra. Pro interaktivní analýzu je použita frekvenční analýza, index koincidence a n-gramová statistika jako fitness funkce. Výsledek byl dosažen za pomoci HTML5, CSS a skriptovacího jazyka ReactJS což je JavaScriptová knihovna s možností typové kontroly proměnných.
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Changes in the tax quota in EU Member States
RYŠAVÁ, Petra
This master thesis is about tax quota and its change in the states of European Union. The practical part starts with display of the tax quota in the states of EU and its changes after 20 years, there is a comparison of the tax quota in 1995 and 2015. In these years, there is also performed the cluster analysis in the programme STATISTICA 12. The cluster analysis consists of four variables (partial tax quota): indirect taxes, personal income taxes, corporate income taxes, social contributions. The aim of this analysis is to find groups of states with a similar development of the tax quota. Then follows the convergence analysis, which says that tax systems of the states in EU are gradually approaching each other. The last topic in this thesis is a comparison of the average values EU of the development tax quota with development of the total tax revenues and the GDP. The very similar and unstable development of the two last mentioned indicators are ensuring a relatively stable value of the tax quota over time.
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