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O kvantnoj kriptografiji

On quantum cryptography

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2019
osnovni rad (721.6Kb)
Authors
Jaćimovski, Stevo
Šetrajčić, Jovan
Lamovec, Jelena
Article (Published version)
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Abstract
Krajem dvadesetog veka čovečanstvo je ušlo u eru informacionih tehnologija. IT industrija, koja se bavi proizvodnjom, obradom, skladištenjem i prenosom informacija, postala je sastavni deo globalnog ekonomskog sistema, potpuno nezavisan i prilično značajan sektor privrede. Zavisnost savremenog društva od informacionih tehnologija je toliko velika da propusti u informacionim sistemima mogu dovesti do značajnih incidenata. Telekomunikacije su ključna industrija informacionih tehnologija. Međutim, informacije su tokom transporta veoma osetljive na razne vrste zloupotreba. Jedinice za skladištenje i obradu podataka mogu biti fizički zaštićene od nedobronamernih, što se ne može reći za komunikacione linije koje se protežu na stotine ili hiljade kilometara i koje je gotovo nemoguće zaštititi. Stoga je problem zaštite informacija u sferi telekomunikacija veoma značajan. Kriptologija kao nauka i posebno njen deo kriptografija upravo se bave ovom problematikom. Kvantna kriptografija je relativn...o novija oblast koja se bavi obezbeđenjem sigurne komunikacije između pošiljaoca i primaoca informacije, koristeći zakone kvantne fizike. Cilj rada je da se upoznamo sa principima kvantne distribucije ključa za kodiranje informacija i osnovnim problemima koji se javljaju pri njegovoj realizaciji.

In the late twentieth century, human race entered the era ofinformation technology (IT). The IT industry, which deals with the production,processing, storage and transmission of information, has become an integralpart of the global economic system, a completely independent and significantsector of the economy. The dependence of the modern society on informationtechnologies is so great that omissions in information systems may lead tosignificant incidents. Telecommunications are the key information technologyindustry. However, information is very susceptible to various types of abuseduring transmission. The units for data storage and processing can bephysically protected from anyone wishing harm, but this does not hold truefor the communication lines that span hundreds or thousands of kilometersand are virtually impossible to protect. Therefore, the problem of informationprotection in the field of telecommunications is highly significant. Cryptology,particularly cryptography, deals with... this issue. Quantum cryptography is arelatively new field ensuring safe communication between the sender and therecipient using the laws of quantum physics. This paper seeks to address theprinciples of the quantum distribution of a key for information encryption andthe fundamental problems arising from the execution.

Keywords:
kriptografija / algoritmi / kodiranje / ključ / kvantna fizika / protokoli
Source:
Žurnal za bezbjednost i kriminalistiku, 2019, 1, 1, 41-52
Publisher:
  • Banja Luka: Univerzitet u Banjoj Luci - Fakultet bezbjednosnih nauka
Projects:
  • Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-32008)
  • Inovation of Forensic Methods and their Application (RS-34019)
  • Design and modeling of specific features of nanostructured samples (RS-171039)
Note:
  • English version: http://cer.ihtm.bg.ac.rs/handle/123456789/3376

DOI: 10.7251/ZBK1901043J

ISSN: 2637-3076

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http://cer.ihtm.bg.ac.rs/handle/123456789/3472
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