Özdemir, Oğulcan

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https://hdl.handle.net/11147/16411
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01. Izmir Institute of Technology
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Sustainable Development Goals

NO POVERTY1
NO POVERTY
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ZERO HUNGER2
ZERO HUNGER
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GOOD HEALTH AND WELL-BEING3
GOOD HEALTH AND WELL-BEING
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QUALITY EDUCATION4
QUALITY EDUCATION
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GENDER EQUALITY5
GENDER EQUALITY
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CLEAN WATER AND SANITATION6
CLEAN WATER AND SANITATION
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AFFORDABLE AND CLEAN ENERGY7
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DECENT WORK AND ECONOMIC GROWTH8
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INDUSTRY, INNOVATION AND INFRASTRUCTURE9
INDUSTRY, INNOVATION AND INFRASTRUCTURE
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REDUCED INEQUALITIES10
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SUSTAINABLE CITIES AND COMMUNITIES11
SUSTAINABLE CITIES AND COMMUNITIES
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RESPONSIBLE CONSUMPTION AND PRODUCTION12
RESPONSIBLE CONSUMPTION AND PRODUCTION
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CLIMATE ACTION13
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LIFE BELOW WATER14
LIFE BELOW WATER
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LIFE ON LAND15
LIFE ON LAND
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PEACE, JUSTICE AND STRONG INSTITUTIONS16
PEACE, JUSTICE AND STRONG INSTITUTIONS
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PARTNERSHIPS FOR THE GOALS17
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Scholarly Output

2

Articles

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8947/586

Supervised MSc Theses

1

Supervised PhD Theses

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Open Access Source

2

Supervised Theses

1

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Author of Publication: search.filters.isAuthorOfPublication.ac09ee62-7151-465c-b143-6dc2058e9de8

Scholarly Output Search Results

Now showing 1 - 2 of 2
  • Conference Object
    Iot - Smart Contract Rule Based Secure Communication Scheme for Healthcare System
    (01. Izmir Institute of Technology, 2019) Kul, Aslı; Azin, Eda Nur; Şahin, Serap; Şahin, Serap; Özdemir, Oğulcan; Kul, Aslı; Azin, Eda Nur; 03.04. Department of Computer Engineering; 01. Izmir Institute of Technology; 03. Faculty of Engineering
    Nesnelerin İnterneti (IoT) gelişimini sürdüren yeni bir teknolojidir. IoT sensör cihazlarının kullanım amaçlarından biri de kritik bir alan olan tıbbi sağlık sistemlerinde hasta koşullarını izlemektir. Tıbbi cihazların, sensörlerin, uygulamaların entegrasyonu, dijital servisler ve ilgili verilerin gizliliği, doğruluğu ve kullanılabilirliği açısından kritik öneme sahiptir. Bu bildiride, IoT tabanlı sağlık sistemi yapısı tasarlanmış ve çeşitli saldırı türlerine karşı sistemin kullanılabilirliği test edilmiş Bockchain temelli akıllı sözleşme yapısının IoT sistemlerine entegre edilmesiyle sistemin davranışları Calvin ve Etherium Frameworkleri kullanılarak simüle edilmeye çalışılmıştır.
  • Master Thesis
    A Study on Early Decryption Mechanism at Veriflable Delay Functions
    (01. Izmir Institute of Technology, 2022) Özdemir, Oğulcan; Şahin, Serap; Şahin, Serap; 03.04. Department of Computer Engineering; 01. Izmir Institute of Technology; 03. Faculty of Engineering
    In computer science, can we measure the passage of time in accordance with Earth time and use this measurement mechanism as a time lock to decrypt encrypted data? The search for answers to these questions has not yet been given a definite, straightforward answer. Because there is no fixed definition of time in computer science. Research on the use and measurement of "time-locked cryptography" in computer science is based on the research of Time-Lock Puzzles and Timed-Release Crypto by Rivest et al. In 2017, two studies were published that accelerated development in this area: Simple Verifiable Delay Functions and Efficient Verifiable Delay Functions. In both studies, timing requirements are defined as Verifiable Delay Functions (VDF). However, current VDF solutions do not have a controlled early decryption feature for time locking mechanism. The contributions we intend to make to the VDF protocol in this study focus on the design, verification, and implementation of a new VDF protocol that both guarantees the time lock mechanism requirements defined by VDF and provides the ability to open the time lock in a controlled manner by authorised individuals before the target time. VDF solution to be developed, unlike similar VDF protocols, should also include the blockchain Ethereum component and work flexibly with any of the defined VDF time lock algorithms, depending on which one is chosen.