Desarrollo de una herramienta de uso didáctico esteganográfica para el envío de texto oculto y cifrado en archivos de audio MP3

Abstract

In the present project, a steganographic didactic use tool was developed for sending hidden text and ciphered in MP3 audio files that allows understanding and having as informative base the applications that can be given to steganographic techniques together with encryption techniques. The tool by means of the concealment module permits to the user make the message incrustation process inside an MP3 audio file; allowing the encryption of the message by the TripleDES technique, as well as in the obtaining module allows the extraction and decryption process entering the correctly hiding key. In the Chapter 1 reviews the theorical fundamentals of the steganographic methods, LSB technique, development of GUIDE applications inside of MATLAB environment and finally reviews the information to cipher process with encryption technique TripleDES. Chapter 2 shows the design and implementation of the different modules of the tool. Chapter 3 details the tests and the analysis of the results obtained. And finally, in Chapter 4 the conclusions and recommendations are shown.