Browsing by Keywords "κρυπτογράφηση"

Now showing items 1-18 of 18

  • "Bitcoin" the new currency?

    T.E.I. of Crete, School of Management and Economics (SDO), Department of Business Administration (in Heraklion)
    Authors: Georgiou, Georgios; Maraslis, Angelos
    Thesis advisor: Xanthos, Georgios
    Publication Date: 12-12-2014
    The bitcoin is online currency its not domocine in central bank or a government. The creators use encryption techniques to regulate the generation of unit of currency and verify the transfer of fund.

  • Evaluation and certification of software for examining the integrity of software on IoT devices.

    Η.Μ.U, School of Engineering (ScENG), Electrical and Computer Engineering Dept
    Authors: Margiolas, Adamantios
    Thesis advisor: Kornaros, Georgios
    Publication Date: 2022-11-09
    Nowadays, there are large-scale cyber-attacks on the World Wide Web, as well as destruction of important information infrastructure, due to software attacks such as worm, botnet and DDoS on IoT devices. Software measurement ...

  • How to intercepting GSM.

    T.E.I. of Crete, School of Engineering (STEF), PPS in Informatics and Multimedia
    Authors: Grigorakis, Ioannis
    Thesis advisor: Manifavas, Charalampos
    Publication Date: 2017-09-27
    Communication security is a great issue, notably in our day’s that we live in technologically advanced community .The GSM is a protocol that used for digital communications (mobile phones) , used by a lot of people around ...

  • Lightweight security mechanisms for small scale embedded system

    Η.Μ.U, School of Engineering (ScENG), Electrical and Computer Engineering Dept
    Authors: Daoutis, Georgios
    Thesis advisor: Kornaros, Georgios
    Publication Date: 2020-07-16
    The purpose of this thesis is to safely assign and execute processing tasks in an embedded system microprocessor through authentication, encryption and resource-controlling techniques, that are separate and isolated and ...

  • Securing access in embedded systems via DMA protection and light-weight cryptography.

    H.M.U., School of Engineering (ScENG) MSc in Informatics & Multimedia
    Authors: Kolympianakis, Filippos-Georgios
    Thesis advisor: Kornaros, Georgios
    Publication Date: 2021-09-03
    Embedded systems are the driving force for technological development in many domains such as automotive, healthcare and industrial control. Security is an important aspect of embedded system design. As more and more ...

  • Design, development and configuration of a wireless communication system with security mechanisms for interconnection and roaming the internet.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Tsairidis, Michail
    Thesis advisor: Barbounakis, Ioannis
    Publication Date: 20-11-2014
    This thesis presents the design, development and configuration of a wireless communication system with security and roaming mechanisms for internet interconnection.

  • Safety on wireless network 802.11.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Markomanolaki, Aikaterini
    Thesis advisor: Fusarakis, Konstantinos
    Publication Date: 16-02-2011
    The purpose of this thesis is to present the current state of Wireless Network Security on IEEE 802.11-based networks. This study will examine the architecture, protocols and specifications of wireless networks from a ...

  • Literature review for the digital currency bitcoin.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Vasmaridaki, Efthymia
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 2016-07-27
    The rapid evolution of technology and the increasing volume of the online transactions, led the economy to create digital currencies in order to become a method of buying/selling and payments in general. This practice is ...

  • Digital certificate for Technological Educational Institute of Greece.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Kageli; Konstantina; Glavina, Vasiliki
    Thesis advisor: Vasilakis, Konstantinos
    Publication Date: 19-05-2008

  • Cryptography and watermaking fo 2D image.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Alexopoulou, Eufrosyni; Kontokalou, Persefoni
    Thesis advisor: Triantafyllidis, Georgios
    Publication Date: 21-05-2012
    This study aims to analyze patterns of encryption and digital watermarking of a two dimensional image. This study was developed with various techniques. Reference is made in the history of cryptography and of watermarking, ...

  • Cryptography in e-commerce.

    Η.Μ.U, School of Management and Economic Sciences (SMES), Management Science and Technology Dept.
    Authors: Barsakis, Sotiris
    Thesis advisor: Arakadakis, Georgios
    Publication Date: 2020-07-19
    The rapid technological developments in the field of Informatics combined with the rapid spread of the Internet in recent years, have caused a real revolution in the field of business and have brought businesses facing a ...

  • Encrypting algorithm analysis for internet protection.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Filios, Georgos
    Thesis advisor: Antonidakis, Emmanouil
    Publication Date: 29-02-2008
    The aim of this study is to see how we can handle data effectively through all network that have been consolidated. In order to do this certain basic issues of systems of encryption and that can collaborate and produce ...

  • Study of encrypting algorithms and DES and Triple-DES in FPGA construction using VHDL (VHSIC Hardware Description Language).

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Fiolitakis, Antonis
    Thesis advisor: Petrakis, Nikolaos
    Publication Date: 29-02-2008
    The present work studies the basic notions as well as the terminology of cryptology, approaching progressively the various cryptographic techniques-categories and the design principles. Special attention is given at the ...

  • Study of cryptographic algorithm Advanced Encryption Standard (AES) and its implementation via software.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Dandoulakis, Nickolaos
    Thesis advisor: Petrakis, Nikolaos
    Publication Date: 14-02-2011
    In the present work has been implemented in software using C programming language, the AES alogrithm as well as a user friendly interface in visual basic.

  • Advanced Encryption Standard (AES) cryptographic algorithm. Realization in FPGA with VHDL

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Sideris, Georgios
    Thesis advisor: Petrakis, Nikolaos
    Publication Date: 24-07-2009
    The above dissertation studies the fundamental concepts of cryptography as well as the pertinent terminology. A variety of encrypt / decrypt techniques have mentioned starting from ancient times up to our days. Emphasis ...

  • Password cracking.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Orfanoudakis, Fanourios
    Thesis advisor: Manifavas, Charalampos
    Publication Date: 02-10-2009

  • Design and implementation of an authentication protocol assisting secure communications between embedded systems using smartcards.

    T.E.I. of Crete, School of Engineering (STEF), PPS in Informatics and Multimedia
    Authors: Saloustros, Marios
    Thesis advisor: Manifavas, Charalampos
    Publication Date: 01-12-2015
    In recent years the smart card technology has been grown, offering smart cards with more memory, faster processors and hardware accelerated cryptographic processes facilitating their spread as a mean of providing security ...

  • The digital currency Bitcoin

    T.E.I. of Crete, School of Management and Economics (SDO), Department of Business Administration (in Heraklion)
    Authors: Mavreli, Konstantina
    Thesis advisor: Vardas, Ioannis
    Publication Date: 20-04-2015
    The rapid evolution of technology and the increasing volume of the online transactions, led the economy to create digital currencies in order to become a method of buying/selling and payments in general. This practice is ...