Kryptoanalýza klasických šifrovacích algoritmů
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Vysoká škola báňská - Technická univerzita Ostrava
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Abstract
The aim of this thesis is to design and implement an application that will be able to encrypt and
decrypt texts using chosen historical methods and also to perform cryptoanalysis of the cipher
texts created by these methods. The first part of this thesis is focused on known ciphers and
their principles. The second part describes cryptoanalytical methods for substitution and transposition
ciphers. The last part talks about the application itself, describing its implementation,
usage and functionality.
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Cryptography, Cryptanalysis, Ciphertext-only attack, C#