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Privacy-Preserving Instant Messaging Application
Krajanec, Štefan
Instant messaging applications noted significant grow especially in the last decade. In fact,the Internet communication is cheap and convenient way how to communicate with distant people.However, this grow of user communication and data exchange through the online world impactsuser security and privacy, as it was also shown recently by WhatsApp privacy issues. Firstly thisarticle evaluates security and privacy issues of current mobile messaging applications. Secondly, wedesign our basic open source solution with the focus on security, privacy, and user centric features.Furthermore, we provide proof-of-concept implementation of our system.
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Advanced Penetration Testing Of Obfuscated Android Applications
Michalec, Pavol
Android applications are susceptible to security vulnerabilities just like any other application. To minimize the risk and detect any potential vulnerabilities, penetration tests are conducted. However, many clients are not willing or are not capable to provide unobfuscated version of the application with security defenses disabled. It is up to the testers to bypass all these restrictions and properly test the application. Bypassing all the restrictions takes considerable ammount of time, thus making the test more expensive. This paper describes methodology for dealing with obfuscation as quickly as possible without creating unnecessary code or introducing additional tools.
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Mobile Application for Employees with Biometrics Support
Tesařová, Alena ; List, Jaroslav (referee) ; Hruška, Tomáš (advisor)
This thesis deals with the design and implementation of a mobile application for BUT employees. The final application is written for Android and iOS in React Native. The goal is to facilitate the daily activities of an employee, which leads to more efficient work and reduced administration. The theoretical part deals with the selection of the most important modules in the information system based on statistical data and questionnaires. The implementation part contains the design of the user interface of selected modules and a description of the application implementation. The final application was tested by a group of employees and received a very good verbal evaluation.
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Innovative Music Player for Smartphones and PC
Richter, Roman ; Špaňhel, Jakub (referee) ; Herout, Adam (advisor)
The goal of this thesis is to create a music player for smartphones as well as PCs that works with local music files in the user's device and which can learn which songs does the user like based on their actions during listening to music. The music player can, among other things, remember which songs were skipped by the user, when was volume turned up, or how many times was a certain song played. Each song has a score that is calculated based on these actions. With a higher score, there is also a higher chance of playing the song in the future. The results of my thesis are two full-featured versions of music player, which are capable of communication with each other to ensure synchronization of song scores. The main benefit of this thesis is an improvement of user experience during listening to music, which is achieved by the application's algorithm for song selection and minimalistic user interface.
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Smartwatch App for Sports Training and Competitions
Dohnalík, Pavel ; Bartl, Vojtěch (referee) ; Herout, Adam (advisor)
The aim of the work is to create an application for a smart watch, which will allow you to measure races and trainings, or create localization data for this activity. The application is implemented for mobile devices with the Android and iOS operating systems. The Wear OS operating system is supported for smart watches. The thesis describes the theory of programming for mobile operating systems and programming for the operating system Wear OS. The practical part describes the design, implementation and testing. For the implementation of the mobile application as well as for the smart watch application I decided to choose Flutter framework and programming language Dart. The resulting application allow users to measure races and workouts.
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Smart Digital Mirror for Individual Sports
Opichal, Tomáš ; Beran, Vítězslav (referee) ; Herout, Adam (advisor)
The aim of this diploma thesis is to create a practical solution for individual athletes in the form of a digital mirror, which can become an alternative to observing yourself in an ordinary mirror. The work contains and emphasizes the benefits of a digital mirror. Much of the work is devoted to the transfer of video between various devices for the ability to combine multiple videos on a single screen. The core of the solution is a mobile application for the Android platform, which works in various modes, the choice of which depends on how the application is used. The application was continuously tested with a group of users, resulting in iterative improvements to the application's features and the addition of new features. Furthermore, a web variant of the application was implemented, which increases the possibility of using the digital mirror across different platforms. The results of testing show that this whole solution can be used in the practical training of sports exercises and the application has the potential to connect with various sports.
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Design of a Mobile Application for Medical Sphere
Puček, Matej ; Kindlová, Dita (referee) ; Dydowicz, Petr (advisor)
The bachelor thesis is devoted to the design of a mobile application for the medical sphere, which would facilitate communication between doctors and their patients. The thesis contains an analysis of the mobile device market, the mobile application market for the presence of similar applications and the design of a database and application functions. The conclusion of the thesis focuses on the evaluation of the final design of the solution using selected methods.
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