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undergraduate thesis
Sustav za stvaranje sigurnosnih kopija dokumenata
2017. urn:nbn:hr:200:291917
Jelić, Borna
Josip Juraj Strossmayer University of Osijek
Faculty of Electrical Engineering, Computer Science and Information Technology Osijek
Department of Software Engineering
Chair of Visual Computing

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Jelić, B. (2017). Sustav za stvaranje sigurnosnih kopija dokumenata (Undergraduate thesis). Retrieved from https://urn.nsk.hr/urn:nbn:hr:200:291917

Jelić, Borna. "Sustav za stvaranje sigurnosnih kopija dokumenata." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, 2017. https://urn.nsk.hr/urn:nbn:hr:200:291917

Jelić, Borna. "Sustav za stvaranje sigurnosnih kopija dokumenata." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, 2017. https://urn.nsk.hr/urn:nbn:hr:200:291917

Jelić, B. (2017). 'Sustav za stvaranje sigurnosnih kopija dokumenata', Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, accessed 23 September 2022, https://urn.nsk.hr/urn:nbn:hr:200:291917

Jelić B. Sustav za stvaranje sigurnosnih kopija dokumenata [Undergraduate thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek; 2017 [cited 2022 September 23] Available at: https://urn.nsk.hr/urn:nbn:hr:200:291917

B. Jelić, "Sustav za stvaranje sigurnosnih kopija dokumenata", Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, Osijek, 2017. Available at: https://urn.nsk.hr/urn:nbn:hr:200:291917

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Metadata
TitleSustav za stvaranje sigurnosnih kopija dokumenata
AuthorBorna Jelić
MentorIrena Galić (mentor)
Committee memberIrena Galić (predsjednik povjerenstva)
Committee memberZdravko Krpić (član povjerenstva)
Committee memberGoran Martinović (član povjerenstva)
GranterJosip Juraj Strossmayer University of Osijek
Faculty of Electrical Engineering, Computer Science and Information Technology Osijek
(Department of Software Engineering)
(Chair of Visual Computing)
Osijek
Defense date and country2017-09-11, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Computing
Program Engineering
Abstract
Cilj ovog završnog rada je teorijski opisati način rada neenkripcijskog i enkripcijskih ransomwarea, značenje Bitcoin kriptovalute u virusnom napadu te objasniti postupak heširanja u razvijanju programske zaštite datoteka od kripto virusa. Usporedbom trenutno najkorištenijih sustava za stvaranje sigurnosnih kopija dokumenata zaključeno je da rade na drugačijem principu od klasičnog backupa. Potrebno je stvoriti sustav za stvaranje sigurnosnih kopija dokumenata u kojemu je moguće stvoriti sigurnosnu kopiju dokumenata određenih ekstenzija i omogućiti njihovo vraćanje. Usporedbom hash vrijednosti datoteke može se vidjeti promjena učinjena nad datotekom. Sustav provjerava hash vrijednost određenog dokumenta i uspoređuje s vrijednostima u bazi podataka. Ako je rezultat pretrage negativan, stvara kopiju datoteke i novi unos u bazu. Sustav time omogućuje vraćanje različitih verzija istog dokumenta, čime se izbjegava gubitak podataka. Aplikacija je izrađena u C# programskom jeziku.
Abstract (english)
The aim of this bachelor thesis was to theoretically describe the non-encrypting ransomware and encrypting ransomware, usage of Bitcoin cryptocurrency in a viral attack and to explain the process of hashing within the file protection system. By comparing the most frequently used file backup systems, it was concluded that they do not operate like a classic backup system should. It is necessary to create a file backup and restoration system in which it is possible to create copies of files with specific file extensions and to enable their restoration. By comparing hash values of a file, a change within the file can be detected. The system checks the hash value of the selected document and compares them with the values in its database. If the result of the search is negative, the system creates a copy of the selected file and a new entry in the database. With that, the system enables restoration of different versions of the file, avoiding data loss. The application was made in C# programming language.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:200:291917
Study programmeTitle: Undergraduate University Study Programme in Computer Engineering
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2017-10-31 15:48:15