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Knowledge of Password Characteristics in Cracking Tasks
Hríbik, Samuel ; Polčák, Libor (referee) ; Hranický, Radek (advisor)
Táto bakalárska práca sa zaoberá metódami, ktorými uživatelia vytvárajú heslá, a tým, aký vplyv môžu mať zásady pre tvorbu hesiel na tieto metódy. Na základe zistených informácií o uživateľských zvyklostiach a často využívaných zásadách navrhuje proces na analýzu a generovanie masiek hesiel s využitím znalostí o vlastnostiach hesiel. Opisuje implementáciu procesu generovania masiek a spôsob, akým je tento proces integrovaný do nástroja na lámanie hesiel Fitcrack ako jeho rozšírenie. Nakoniec obsahuje výsledky experimentov s použitím procesu generovania masiek, ktoré prezentujú funkčnosť tohto rozšírenia v rôznych prípadoch použitia.
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Interactive Tool for Creating Password-Mangling Rules
Mládek, Jiří ; Pluskal, Jan (referee) ; Hranický, Radek (advisor)
The aim of this bachelor thesis was to create an interactive tool for creating password-mangling rules and integrate it into the Fitcrack system. In this thesis, I discuss password-mangling rules which use several available rule functions and can be used to enrich a dictionary attack. The implemented tool also provides a live preview of mangled passwords, allowing the creation of new more efficient dictionaries. The motivation for creating the tool was the current way of creating rules, where existing tools do not offer a graphical user interface and a large selection of rule functions at the same time. The experiments are then used to demonstrate use cases and the benefits of the tool. User testing is also part of the thesis.
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Integration Tests of the Fitcrack System in Selenium
Rucký, Viktor ; Polčák, Libor (referee) ; Hranický, Radek (advisor)
Fitcrack je systém pro distribuované lámání hesel vyvíjený na VUT FIT. Fitcrack je používán hlavně skrz webové rozhraní. Fitcrack je relativně velký projekt, kterému ale chybí sada automatických integračních testů. Selenium je projekt pro automatizované ovládání webových prohlížečů. Tato bakalářská práce má za cíl navrhnout sadu integračních testů, které budou implementované pomocí projektu Selenium. Návrh sady testů je založen na modelu page-object, způsob jak oddělit kód pro interakci s uživatelským rozhraním od testů. Testy jsou implementovány v jazyku Python pomocí frameworku Pytest.
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Optimization of Task Distribution in Fitcrack System
Ženčák, Tomáš ; Ryšavý, Ondřej (referee) ; Hranický, Radek (advisor)
The goal of this thesis is the optimization of task distribution in the Fitcrack system. The improvement is reached by way of increasing the accuracy of the estimation of the computational power of worker nodes, and the prevention of the creation of extremely small tasks, as well as increasing the efficiency of the transfer of the tasks to the worker nodes. In this thesis, the current state of the Fitcrack system is described, tested, and evaluated. This thesis then describes the weak points of the current implementation, proposes ways of remediating them and describes, tests and evaluates the implementation of those proposals.
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Administration of Computing Tasks in Fitcrack System
Horák, Adam ; Zobal, Lukáš (referee) ; Hranický, Radek (advisor)
The aim of this thesis is to design and implement extensions for the Fitcrack system management application. The system is used to crack hashes and recover passwords from encrypted files. It works by distributing computation tasks across multiple computers and includes many configuration options. The extensions outlined in this thesis are meant to aid the user in creating and working with jobs in the system. These include grouping jobs, batch running, and exporting to a file.
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Metadata Analysis of Cracking Password Task
Pokorný, Šimon ; Hranický, Radek (referee) ; Veselý, Vladimír (advisor)
This thesis deals with the design and implementation of the analytical web dashboard for remote administration of the Fitcrack system. This system is used for distributed password recovery. Web administration is a single-page application which is divided into a server and client part. These parts communicate with each other. There is a lot of information across the system that logged into a database for later analysis or displayed in real-time for the user. The best form to show data is a graphical element of various types (arrow, graph, table, square) and different colors showing what is happening.
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Distributed Password Recovery Using Hashcat Tool
Zobal, Lukáš ; Veselý, Vladimír (referee) ; Hranický, Radek (advisor)
The aim of this thesis is a distributed solution for password recovery, using hashcat tool. The basis of this solution is password recovery tool Fitcrack, developed during my previous work on TARZAN project. The jobs distribution is done using BOINC platform, which is widely used for volunteer computing in a variety of scientific projects. The outcome of this work is a tool, which uses robust and reliable way of job distribution across a local or the Internet network. On the client side, fast and efficient password recovery process takes place, using OpenCL standard for acceleration of the whole process with the use of GPGPU principle.
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Passwords and their quality
Šebková, Alena ; Pícka, Marek (advisor) ; Martínek, Tomáš (referee)
This thesis is about computer passwords and their quality. The main aim of this work is find out if a quality of the passwords depends on age, education and professes. It was created a questionnaire which was given out to many respondents. Respondents were different age and different professions. The work is divided to two parts. Theoretical part is about statistic methods, creating questionnaires and all about passwords. Practical part includes computings and results of statistic analysis.
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