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Web-based application for cryptographic protocols visualization
Ryšavá, Pavla ; Dzurenda, Petr (oponent) ; Ricci, Sara (vedoucí práce)
The thesis deals with the creation of an interactive web application for substitution ciphers and their interactive cryptanalysis. Six ciphers are implemented in the work. Representatives of monoalphabetic ciphers are Caesar’s cipher, Atbash, and Keyword cipher and representatives of polyalphabetic ciphers are Vigenre cipher, Kryptos and Vernam cipher. Frequency analysis, index of coincidence and n-gram statistics as a fitness function are used for interactive cryptanalysis. The result is achieved by using HTML5, CSS and ReactJS scripting language which is a JavaScript library with the ability of variable type-check.
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Web-based application for cryptographic protocols visualization
Ryšavá, Pavla ; Dzurenda, Petr (oponent) ; Ricci, Sara (vedoucí práce)
The thesis deals with the creation of an interactive web application for substitution ciphers and their interactive cryptanalysis. Six ciphers are implemented in the work. Representatives of monoalphabetic ciphers are Caesar’s cipher, Atbash, and Keyword cipher and representatives of polyalphabetic ciphers are Vigenre cipher, Kryptos and Vernam cipher. Frequency analysis, index of coincidence and n-gram statistics as a fitness function are used for interactive cryptanalysis. The result is achieved by using HTML5, CSS and ReactJS scripting language which is a JavaScript library with the ability of variable type-check.
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Secure Communication In Modern Radio Networks
Frei, Martin
The goal of this research is to create fast, secure and low energy E2E encryption that would supplement the absence of such cryptosystem in the currently expanding Sigfox network and, at the same time, utilize the already existing network security as best as possible.
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