1. E-learning Tool For Education in Cryptography Supervisor: Assist. Prof. Vasilis Katos SCHOOL OF SCIENCE & TECHNOLOGY Panagiotis Paraschos MSc in ICT Systems – October 2011

2. "Cryptography is about communication in the presence of adversaries" - Ron Rivest "Cryptography is the science of writing in secret code and is an ancient art" - Gary C. Kessler Cryptography is the study of mathematical techniques related to aspects of information security such as confidentiality, data integrity, entity authentication, and data origin authentication Cryptography 2

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4. Examples of Applied Cryptography  Phone cards, cell phones, remote controls  Cash machines, money transfer between banks  Electronic cash, online banking, secure email  Satellite TV, pay-per-view TV  Immobilizer systems in cars  Digital Rights Management (DRM) Examples 4

5.  It is a symmetric encryption method  Blaise de Vigenere (1586)  “Le chiffre indechiffrable" (The Unbreakable Cipher) Vigenere 5

6.  Provide an easy, friendly e-learning tool  Make someone understand better the functionality of Vigenere Dissertation Goals 6

7.  Papers regarding cryptography and its implementations through time  Relevant open source applications for educational uses in cryptography Research Methology 7

8. Turtle Chat with Vigenere 8

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12.  It is an easy, friendly e-learning tool to help someone understand better the functionality of Vigenere in a chat application  It can be improved by adding further methods of cryptography (symmetric/ asymmetric) Conclusions 12