Selektivno otkrivanje informacija prilikom verifikacije digitalnih vjerodajnica

master's thesis

• Title (english): Selective disclosure of information during verification of digital credentials
• Author: Adam Ban
• Mentor: Ante Đerek (mentor)
• Committee member: Ante Đerek (predsjednik povjerenstva)
• Committee member: Marin Golub (član povjerenstva)
• Committee member: Adrian Satja Kurdija (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2024-07-02, Croatia

Abstract

U ovom radu obrađene su metode selektivnog otkrivanja informacija. Predstavljen je problem koji navedene metode rješavaju, pojašnjeni su tipični djelovi sustava i funkcionalnosti koje oni zadovoljavaju te su obrađeni algoritmi kod atomskih vjerodajnica, vjerodajnica baziranih na hashiranju i vjerodajnica baziranih na merkle stablu. Dodatno, obrađen je i BBS potpis koji predstavlja napredniju metodu selektivnog otkrivanja informacija gdje korisnik ne otkriva digitalni potpis, ali svejedno uspješno verificira prezentaciju. Predložen je i implementiran sustav digitalne inačice osobne iskaznice koji ima funkcionalnost selektivnog otkrivanja informacija.

Abstract (english)

This paper deals with the methods for selective disclosure of information. The problem that the mentioned methods solve is presented, the typical parts of the system and the functionalities they satisfy are explained, and the algorithms within atomic credentials, credentials based on hashing and credentials based on Merkle tree are discussed. Additionally, the BBS signature was also processed, a more advanced method for selective disclosure of information where the user does not reveal the digital signature, but still successfully verifies the presentation. A system of a digital version of the ID card, which has the functionality of selective disclosure of information, was proposed and implemented.

• Keywords: selektivno otkrivanje informacija; digitalna vjerodajnica; digitalni dokument; kriptografija; digitalni potpis; kriptografska funkcija sažetka; merkle stablo; eliptička krivulja; BBS potpis; verifikacija; osobna iskaznica; android aplikacija; web server
• Keywords (english): selective disclosure of information; digital credential; digital document; cryptography; digital signature; hash function; Merkle tree; elliptic curve; BBS signature; verification; ID card; android application; web server
• Language: croatian
• URN:NBN: urn:nbn:hr:168:247551
• Study programme: Title: Computing; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka računarstva (magistar/magistra inženjer/inženjerka računarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2024-10-12 20:02:12