Browsing by Keywords "cryptography"

Now showing items 1-15 of 15

  • Privacy on large files using optimized cryptography software.

    Η.Μ.U, School of Engineering (ScENG), Electrical and Computer Engineering Dept
    Authors: Chatzigeorgiou, Paris
    Thesis advisor: Papadourakis, Georgios
    Publication Date: 2020-03-30
    The purpose of this thesis is the designing and development of a cryptography software for Universal Windows Platform (UPW) on Windows 10 operating system that utilizes well known robust cryptographic algorithms and ...

  • Steganography techniques and a software implementation using C#.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Fournarakis, Konstantinos
    Thesis advisor: Petrakis, Nikolaos
    Publication Date: 2017-11-02
    In this work were studied various steganography techniques, as well as, a user friendly software was developed, coded in C# language, with the capability to embed, plain text or a file, in an image and of course to retrieve ...

  • Developing efficient encryption system for embedded systems.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Avgenakis, Ioannis
    Thesis advisor: Kornaros, Georgios
    Publication Date: 02-12-2013
    Purpose of this thesis is the creation of a model of safe communication between two microcontrollers to be used in embedded systems. Specific encryption algorithm will be evaluated by the timing of the procedures of ...

  • Analogue voice coding.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Mavrogeorgis, Ioannis
    Thesis advisor: Makris, Ioannis
    Publication Date: 03-04-2008
    The aim of this project is the design and development of a simple scrambler system used for the range of audible frequencies and more specifically for the frequency range of telephone landline applications. The fundamental ...

  • Secure message transmission over a wireless peer network.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Sarris, Paraskevas
    Thesis advisor: Manifaras, Charalampos
    Publication Date: 04-07-2012
    The thesis is comprised by two parts and provides clear solutions to a series of matters related to the assurance of personal information. The first stage focuses on implementing an application that is suitable for a mobile ...

  • 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 of processed image of embedded systems.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Vazakopoulou, Kalliopi-Marina
    Thesis advisor: Kornaros, Georgios
    Publication Date: 19-12-2013
    This project focuses on the implementation of ciphers into multicores embedded systems. The outcome between four ciphers into a system of two cores, which is based on a prototype platform of Xilinx is also tested. Moreover ...

  • 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 ...

  • Mathematical and algorithmic analysis of cryptographic techniques.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Oglou, Georgios
    Thesis advisor: Papadakis, Nikolaos
    Publication Date: 15-01-2016
    Cryptography is an indispensable tool for protecting computer information systems.This report explains the inner workings of algorithms and low-level mechanisms are often used in the construction of cryptographic protocols ...

  • Information hiding using steganography techniques and tools.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Asoumanaki, Anna
    Thesis advisor: Manifavas, Charalampos
    Publication Date: 07-04-2015
    Nowadays, in the third decade of the birth of the Web, its users list in the billions and the need for communication, learning and entrepreneurship is still evolving rapidly. Thus the Web has the need to evolve according ...

  • Security mechanisms in grid computing.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Nanidis, Ignatios
    Thesis advisor: Mparmpounakis, Ioannis
    Publication Date: 16-06-2010
    Grid computing is a collection of geographically distributed resources that is used in a unified way for implementation of applications of large scale. It functions as a service for the distribution of computing power and ...

  • Data protection in personal computers.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Mountokalakis, Michalis
    Thesis advisor: Fyssarakis, Konstantinos
    Publication Date: 01-09-2011
    The need for security when even using personal computers has gradually increased over the years. The amount of private and sensitive information that are nowadays stored and transferred through personal computers (such as ...

  • Steganography in video. Implementation of the method of data hiding and player plug-in for its recurrence.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Sevastaki, Ioanna
    Thesis advisor: Manifavas, Charalampos
    Publication Date: 08-03-2010

  • Public key infrastructure in a windows server 2008 R2 platform.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Kosmadaki, Maria; Maragkaki, Anastasia
    Thesis advisor: Fysarakis, Konstantinos
    Publication Date: 25-11-2013
    Cryptography is an integral part of computer science and the secure operation of computer systems and their networks. This Thesis deals with the study of various aspects of cryptography and focuses on public key cryptography ...

  • Digital certificates and their use.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Chatzistefanou, Stylianos
    Thesis advisor: Barmpounakis, Ioannis
    Publication Date: 04-07-2013
    In this thesis we study and compare different techniques of cryptography.