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Quantum and Post-quantum Cryptography
Krivulčík, Andrej ; Ricci, Sara (oponent) ; Hajný, Jan (vedoucí práce)
With advances in quantum computing comes the threat of breaking the algorithms that are used in everyday communication. With this, an industry of post-quantum cryptography has emerged that develops algorithms resistant to quantum computers. The aim of this thesis is to study methods for combining and using keys established by quantum and post-quantum algorithms in such a way that if one of the given algorithms is broken the resulting hybrid key will still be secure. The resulting key is then used in encrypting the file using AES--256 which is sent between clients.
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Slow DoS attacks generator
Krivulčík, Andrej ; Zeman, Václav (oponent) ; Sikora, Marek (vedoucí práce)
The work is focused on Slow DoS attacks and generating them. There are compared 3 most popular web servers and their defensive modules against this type of attacks. Closed are described network model TCP/IP, protocol HTTP (Hypertext Transfer Protocol), each DoS attack, Slow GET, Slow POST or Slow Read and also flood attacks. Afterwards the attack generator is described, with its functionality.
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Quantum and Post-quantum Cryptography
Krivulčík, Andrej ; Ricci, Sara (oponent) ; Hajný, Jan (vedoucí práce)
With advances in quantum computing comes the threat of breaking the algorithms that are used in everyday communication. With this, an industry of post-quantum cryptography has emerged that develops algorithms resistant to quantum computers. The aim of this thesis is to study methods for combining and using keys established by quantum and post-quantum algorithms in such a way that if one of the given algorithms is broken the resulting hybrid key will still be secure. The resulting key is then used in encrypting the file using AES--256 which is sent between clients.
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Slow DoS attacks generator
Krivulčík, Andrej ; Zeman, Václav (oponent) ; Sikora, Marek (vedoucí práce)
The work is focused on Slow DoS attacks and generating them. There are compared 3 most popular web servers and their defensive modules against this type of attacks. Closed are described network model TCP/IP, protocol HTTP (Hypertext Transfer Protocol), each DoS attack, Slow GET, Slow POST or Slow Read and also flood attacks. Afterwards the attack generator is described, with its functionality.
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