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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Digital Text Steganography
 Pouč, Petr ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
This bachelor's thesis aims to identify the characteristics of a field of science called steganography, especially digital text steganography. The purpose of this study is to become acquainted with this field and analyze some of the methods of digital text steganography in a detail. Another objective of this bachelor's thesis was to choose and implement suitable methods for information hiding in text data. The chosen methods that were implemented were finally verified by automated tests and analyzed in detail. Based on the results of this research, it can be concluded that secret messages hidden by these methods can be very difficult to spot. The final statistics were processed into a comprehensible table, in which we can see, that perceptibility of some methods got over 95 % and success rate of hiding short messages reached almost 100 %. Based on the results of this study, we can choose a suitable method for the most reliable information hiding in the text file, so we can prevent unwanted decryption of a hidden message.
Detailed record
Digital Text Steganography
 Pouč, Petr ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
This bachelor's thesis aims to identify the characteristics of a field of science called steganography, especially digital text steganography. The purpose of this study is to become acquainted with this field and analyze some of the methods of digital text steganography in a detail. Another objective of this bachelor's thesis was to choose and implement suitable methods for information hiding in text data. The chosen methods that were implemented were finally verified by automated tests and analyzed in detail. Based on the results of this research, it can be concluded that secret messages hidden by these methods can be very difficult to spot. The final statistics were processed into a comprehensible table, in which we can see, that perceptibility of some methods got over 95 % and success rate of hiding short messages reached almost 100 %. Based on the results of this study, we can choose a suitable method for the most reliable information hiding in the text file, so we can prevent unwanted decryption of a hidden message.
Detailed record

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