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Cryptovirology and Future of Malware
Prchal, Josef ; Říha, Zdeněk (referee) ; Cvrček, Daniel (advisor)
Malware is connected to information technology. They influence each other. The aim of this thesis is to describe various types of this software and give a brief account of its history and development. It also discusses main trends of this area and tries to foretell the future development.
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Distributed Rendering on WebGL Platform
Svačina, Lukáš ; Navrátil, Jan (referee) ; Šolony, Marek (advisor)
Bachelor thesis deals with the research and the usage possibilities of modern web browsers from the view of 3D graphics and data distribution. In the research were used the new HTML5 standard technologies, such as the WebGL technology for low level graphics together with direct programming of the card shaders or XHR2 technology for asynchronous binary data transfers. The objective of the thesis is to implement a simple distributed 3D graphics renderer by application of these technologies.
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Distributed Artificial Life Simulator
Weiss, Martin ; Kočí, Radek (referee) ; Martinek, David (advisor)
Along with the artificial intelligence modelling and related studies, distributed computing ranks amongs the most discussed scientific topics nowadays and one can be certain that it will not fade away anytime soon. This work is also concerned about the above mentioned topics, more precisely its its main goal is to design and implement a distributed artificial intelligence simulator. The mentioned application was realized during as an firm part of this work and some benchmarks were run to determine and observe some properties inherent to distributed systems. The actual realization takes into account different approaches to distributing simulation resources. The final product did not prove as that convenient for simulation of rather simple AI models, which it if fact, even slowed down at times. In the future the project should be aimed towards more computationally challenging problems, that can truly use the capacity and advantages of such a computational system.
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Web-Based Collaborative Real-Time Editor
Konečný, Martin ; Jaša, Petr (referee) ; Rychlý, Marek (advisor)
Real-time collaboration editing is research area that has been studied for over 20 years. It involves multiple users editing a document such as plain-text, rich-text or an image concurrently over a high-latency network. Many problems involving consistency between users are associated with concurrent document editing, and an innovative technique called Operational Transformation developed by the GROVE (GRoup Outline Viewing Editor) system in 1989 addresses some of these issues. This paper will compare and contrast current implementations of real-time collaborative editors, and on the basis of this analysis describe the creation of a new web-based editor with support for concurrent editing. The design of our web editor will focus on methods of mutual communication between the individual instances of the editors, propagation of text changes, how to solve conflicts between multiple operations, and communication failures.
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Distributed Computing by force of Action Script
Minář, Petr ; Kuba,, Martin (referee) ; Matoušek, Radomil (advisor)
This Master thesis deals with designing and realization of optimalization software in ActionScript 3.0 background. The designed applications realized in terms of computation by standalone and distributed variant and by means of chosen heuristic method called HC12. For verification of a function and performance was select set of testing examples. The main purpose of the work was create public clients in the network internet and calculated partial computing by it. The completed clients are selected by competence and carry on tasks. This research has been supported by the Czech Ministry of Education in the frame of MSM 0021630529 Research Intention Intelligent Systems in Automation.
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Distributed systems for cryptoanalysys
Zelinka, Miloslav ; Martinásek, Zdeněk (referee) ; Sobotka, Jiří (advisor)
This work deals with crytpoanalysis, calculation performance and its distribution. It describes the methods of distributing the calculation performance for the needs of crypto analysis. Further it focuses on other methods allowing the speed increasing in breaking the cryptographic algorithms especially by means of the hash functions. The work explains the relatively new term of cloud computing and its consecutive use in cryptography. The examples of its practical utilisation follow. Also this work deals with possibility how to use grid computing for needs of cryptoanalysis. At last part of this work is system design using „cloud computing“ for breaking access password.
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Hadoop: HDFS, MapReduce and cmputing in IBM BigInsights
Fessl, Adam ; Řezáč, Miroslav (advisor) ; Novotný, Ota (referee)
This undergraduate thesis thematically appertains to the field of Big Data. Particularly, it concerns Hadoop, an open-source tool, serving for distributed processing and saving data. The object of this thesis is to provide the reader with theoretical knowledge and basic prin-ciples concerning the Apache Hadoop with concentration on the file system HDFS and model for distributed MapReduce computing. Theoretical knowledge and principles are illustrated on modified application WordCount in IBM InfoSphereBigInsights. This work consists of three parts. First part is dealing with Hadoop and its basic modules. Second one provides information concerning the prominent Hadoop distributors; special attention is given to IBM. The last part presents practical computing. This thesis offers a comprehensive view on Hadoop, which combines technical point of view with practical application. Both of them are illustrated on particular examples and supplemented with methods to operate Hadoop.
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