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master's thesis
Monoalfabetske supstitucijske šifre
2017. urn:nbn:hr:126:038865
Božić, Lea
Josip Juraj Strossmayer University of Osijek
Department of Mathematics
Chair of Pure Mathematics
Algebra and Calculus Research Group

Cite this document

Božić, L. (2017). Monoalfabetske supstitucijske šifre (Master's thesis). Retrieved from https://urn.nsk.hr/urn:nbn:hr:126:038865

Božić, Lea. "Monoalfabetske supstitucijske šifre." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, 2017. https://urn.nsk.hr/urn:nbn:hr:126:038865

Božić, Lea. "Monoalfabetske supstitucijske šifre." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, 2017. https://urn.nsk.hr/urn:nbn:hr:126:038865

Božić, L. (2017). 'Monoalfabetske supstitucijske šifre', Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, accessed 28 November 2020, https://urn.nsk.hr/urn:nbn:hr:126:038865

Božić L. Monoalfabetske supstitucijske šifre [Master's thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of Mathematics; 2017 [cited 2020 November 28] Available at: https://urn.nsk.hr/urn:nbn:hr:126:038865

L. Božić, "Monoalfabetske supstitucijske šifre", Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, Osijek, 2017. Available at: https://urn.nsk.hr/urn:nbn:hr:126:038865

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Metadata
TitleMonoalfabetske supstitucijske šifre
AuthorLea Božić
MentorIvan Soldo (mentor)
GranterJosip Juraj Strossmayer University of Osijek
Department of Mathematics
(Chair of Pure Mathematics)
(Algebra and Calculus Research Group)
Osijek
Defense date and country2017-10, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Mathematics
Algebra
Abstract
U ovom radu bavili smo se analizom monoalfabetskih supstitucijskih šifri. Najprije smo naveli definicije i rezultate iz algebre i teorije brojeva što je potrebno kako bi se uspješno pratio sadržaj rada. Definirali smo monoalfabetske supstitucijske šifre te na primjerima pokazali šifriranje i dešifriranje teksta korištenjem raznim tipovima šifri. Naveli smo neke inačice monoalfabetskih šifri kao što su hebrejska, Cezarova, afina, pigpen šifra te Polybiusov kvadrat. Svaku od ovih šifri pokrijepili smo raznim primjerima. Objasnili smo i homofonu supstitucijsku šifru te njene razne inačice. Na kraju rada, spomenuli smo šifru kojom se koristio serijski ubojica Zodiac, čiji šifrati već desetke godina nisu dekriptirani.
Abstract (english)
In this paper, we analized a monoalphabetic substitution ciphers. First of all, we gave defnitions and results from algebra and number theory, usefull fot successfully reading the content of the paper. We defined the monoalphabetic substitution ciphers. Through the different types of examples we illustrated encryption and decryption of plain text. Moreover, we mentioned some versions of the monoalfabetic codes such as Hebrew code, Caesar cipher, Afine cipher, Pigpen code and Polybius square. Each of them is confirmed by various type of examples. Besides that, we explained the homophonic substitution cipher and some of its variants. At the end, we mentioned the code used by the serial killer Zodiac, whose ciphertext has not been decrypted for decades.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:126:038865
Study programmeTitle: Mathematics; specializations in: Financial and Statistical Mathematics, Mathematics and Computer Science, Industrial and Applied Mathematics
Course: Financial and Statistical Mathematics
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra matematike (magistar/magistra matematike)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2017-10-23 09:56:14