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Elektronski varnostni sistem
MEDEN, JANA (Author), Žemva, Andrej (Mentor) More about this mentor... This link opens in a new window

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Abstract
Vsak posameznik se sprašuje, kako najbolje zavarovati svoje prihranke. Če želimo na bankomatu aktivirati kartico, nas tam čaka numerična tipkovnica, s katero vnesemo šifro in se identificiramo kot pravi uporabnik. S štirimestno kodo, ki nam jo določi banka, lahko preprečimo, da nam tat z ugrabljeno kartico ne more takoj dostopati do računa. Običajno banke ponujajo tudi možnost spletnega poslovanja, npr. storitev NLB Klik. Gre za aplikacijo, ki nudi več varnostnih mehanizmov: zaščito na nivoju glavnega gesla, overjanje prek certifikata in dodatnega varnostnega gesla. Idejo za diplomsko nalogo smo dobili pri uporabi varnostnih mehanizmov iz aplikacije NLB Klik. Dodatno geslo nudi drugi nivo zaščite pri izvedbi novih transakcij. Podoben mehanizem smo realizirali v našem varnostnem sistemu. Ta vsebuje dve fazi preverjanja pristnosti uporabnika. V prvi fazi uporabnik vpiše svoj štirimestni PIN, v drugi fazi pa se od njega zahteva še vpis dveh številk iz naključno sestavljenega šestmestnega števila. Pri tem mora uporabnik za uspešno verifikacijo poznati skrivnost (pozicije izbranih številk). Končni izdelek deluje s pomočjo platforme Arduino. Na platformo z mikrokrmilnikom smo povezali tipkovnico, prikazovalnik in servo motorček. Čeprav končni izdelek predstavlja prototip vezja za fizični sef, je večji poudarek našega dela na zasnovi varnostnih mehanizmov in njihovi programski implementaciji.

Language:Slovenian
Keywords:platforma Arduino, numerična tipkovnica, prikazovalnik LCD, servo motor, programiranje, varnostni sistem, Fritzing
Work type:Bachelor thesis/paper (mb11)
Organization:FE - Faculty of Electrical Engineering
Year:2017
Views:847
Downloads:540
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Secondary language

Language:English
Title:Electronic security system
Abstract:
Every individual is unsure about how to protect their savings. If we want to activate the card at cash dispenser, we need to use numeric keypad to enter our personal code and identify ourselves as the right user. By using the identification code, provided by the bank, we can prevent the thiefs from using a stolen card and therefore accessing our bank account. Usually, the banks also offer web-based accounting services, such as the application called NLB Klik. This is an application which offers multiple security mechanisms: protection using master password, verification using personal certificate and the usage of additional security password. The idea for this thesis is based on our observations of the security mechanisms in NLB Klik application. For example, additional security password offers second layer of protections when performing new transactions. We introduced a similar mechanism in our security system. The system offers two user verification phases. In the first phase, a PIN identifier must be provided by the user. It requires user input in a form of a PIN identifier. The second phase requires the selection of two digits from randomly assigned large number. In this case, the user must know the secret (i.e. both indexes of selected digits) in order to pass the second phase. The final product of our work is based on Arduino platform. On the platform with a microcontroller we connected keyboard, display and servo motor. Although our product represents the prototype circuit to be used in combination with a physical vault, we emphasize our work more on the development of the described security mechanisms and their programmatic implementation.

Keywords:Arduino, numeric keypad, LCD display, servo motor, programming, security system, Fritzing

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