Institute for Theoretical Information Technology

Cryptography (V2/Ü1)

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Links to Campus Office

Lecture
Exercise
Exam

Contents

• Classical cryptosystems
• Cryptanalysis of classical systems
• Entropy and perfect secrecy
• Fast block ciphers
• Number theoretic reference problems
• Cryptosystems based on discrete logarithms
• Public key cryptography

Prerequisites

Basic knowledge in stochastics and number theory.

Literature

• Our lecture notes for Cryptography & Advanced Methods of Cryptography.
• Handbook of Applied Cryptography by Menezes, van Oorschot and Vanstone.
• Lecture notes of the lecture Stochastik für Informatiker by R. Mathar.
• The book Informationstheorie by R. Mathar.
• Complete list of the bibliography.

Help-sheet

• Help-sheet for Cryptography (english version)
• Hilfsblatt zur Kryptographie (german version)

Pocket Calculator

While taking the written exam, you are allowed to use a pocket calculator from this list.

Exercises

• Homework 1 (2014-04-17)
• Homework 2 (2014-05-08)
• Homework 3 (2014-05-15), Ciphertext from Exercise 10
• Homework 4 (2014-05-22)
• Homework 5 (2014-06-05)
• Homework 6 (2014-06-26)
• Homework 7 (2014-07-03)
• Homework 8 (2014-07-10)
• Homework 9 (2014-07-17)

Consultation hour

Prof. Dr. R. Mathar upon agreement
Dipl.-Ing. Markus Rothe upon agreement
Milan Zivkovic M.Sc.EE upon agreement