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master's thesis
Supstitucijske šifre
2018. urn:nbn:hr:126:182770
Božić, Maja
Josip Juraj Strossmayer University of Osijek
Department of Mathematics
Chair of Pure Mathematics
Algebra and Calculus Research Group

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Božić, M. (2018). Supstitucijske šifre (Master's thesis). Retrieved from https://urn.nsk.hr/urn:nbn:hr:126:182770

Božić, Maja. "Supstitucijske šifre." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, 2018. https://urn.nsk.hr/urn:nbn:hr:126:182770

Božić, Maja. "Supstitucijske šifre." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, 2018. https://urn.nsk.hr/urn:nbn:hr:126:182770

Božić, M. (2018). 'Supstitucijske šifre', Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, accessed 29 January 2023, https://urn.nsk.hr/urn:nbn:hr:126:182770

Božić M. Supstitucijske šifre [Master's thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of Mathematics; 2018 [cited 2023 January 29] Available at: https://urn.nsk.hr/urn:nbn:hr:126:182770

M. Božić, "Supstitucijske šifre", Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Mathematics, Osijek, 2018. Available at: https://urn.nsk.hr/urn:nbn:hr:126:182770

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Metadata
TitleSupstitucijske šifre
Title (english)Supstitution Cipher
AuthorMaja Božić
MentorIvan Matić (mentor)
Committee memberIvan Soldo (predsjednik povjerenstva)
Committee memberIvan Matić (član povjerenstva)
Committee memberDragana Jankov Maširević (član povjerenstva)
GranterJosip Juraj Strossmayer University of Osijek
Department of Mathematics
(Chair of Pure Mathematics)
(Algebra and Calculus Research Group)
Osijek
Defense date and country2018-07-06, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Mathematics
Other Mathematical Disciplines
Abstract
U ovom radu bavili smo se supstitucijskim šiframa kao što su monoalfabetske supstitucijske šifre i nekima od nestandardnih supsticijskih šifri. Na samom početku rada naveli smo definicije, teoreme i rezultate iz područja algebre i teorije brojeva koji su nužni za praćenje daljnih rezultata u radu. Definirali smo supstitucijske šifre i na različitim primjerima proveli smo postupak šifriranja i dešifriranja istih. Prikazali smo šifre poput Cezarove i afine šifre, pigpen šifre i Polybiusovog kvadrata. Za svaku od ovih šifri naveli smo različite primjere na kojima smo pokazali postupke šifriranja i dešifriranja po pravilu za svaku navedenu šifru. Na kraju smo rada prikazali šifru koju je koristio serijski ubojica Zodiac,čiji šifrati već nekoliko godina nisu dekriptirani.
Abstract (english)
This paper elaborates on substitution ciphers such as monoalphabetic ciphers and some non-standard substitution ciphers. The paper starts with the definitions, theorems and results in the field of algebra and number theory all of which are essential for the paper scope and results. Upon defining the substitution ciphers, the procedures of ciphering and deciphering are exemplified, namely the Caesar, affine, pigpen and Polybius square ciphers are elaborate on. Each of the ciphers are exemplified and the procedures of ciphering and deciphering illustrated. Finally, the cipher used by the serial murderer Zodiac, whose ciphers have not been deciphered yet, is described.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:126:182770
Study programmeTitle: Mathematics and Computer Science
Study programme type: university
Study level: integrated undergraduate and graduate
Academic / professional title: magistar/magistra edukacije matematike i informatike (magistar/magistra edukacije matematike i informatike)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2018-07-10 06:58:22