Seminar block cipher cryptanalysis

Corresponding entry in Aachen Campus, Bonn Basis.

Lecture

Prof. Dr. Joachim von zur Gathen, Yona Raekow

Time & Place

Monday, 16³⁰-18⁰⁰, b-it 2.1.

First meeting: Monday, 04 April 2011, 16³⁰, b-it 2.1.

It is necessary to register for the seminar. In order to do so, please write an email to Yona Raekow containing the keyword "Seminar Block Cipher Cryptanalysis" in the subject.

The seminar can accomodate up to eleven students. The slots will be distributed on a first come first serve basis.

Allocation

2 SWS, 4 credits

Media Informatics, Computer and Communication Technology.
University of Bonn - Computer Science, A.
University of Bonn - Mathematics.

Credit Requirements

Submit a written report in PDF format two weeks before your presentation.
Meet with the tutor two weeks before the date of your presentation and present your slides.
A further mandatory meeting may be scheduled.
Give your presentation.
Attendance of all other talks is compulsory!

Schedule

Date	Topic	Name
04.04.2011	First meeting - Organization	Yona Raekow
11.04.2011	no seminar
18.04.2011	Introduction to Block Ciphers	Tim Syben
25.04.2011	Easter Monday - no seminar
02.05.2011	Introduction to FEAL and Linear Cryptanalysis	Folker Hoffmann
09.05.2011	Differential Cryptanalysis of FEAL	cancelled
16.05.2011	Correlation Attacks against RC5	Andreas Meisenheimer
23.05.2011	Side Channel Attacks on AES	Sinan Ayan
30.05.2011	From MISTY to KASUMI	Han Xiang
06.06.2011	Attacks on blockciphers - Overview and Examples	Dennis Molter
13.06.2011	Pentecost - no seminar
20.06.2011
27.06.2011
04.07.2011
11.07.2011		...

Topics

The topics will be chosen from the following list:

Introduction to Block Ciphers,
Modes of operation,
introduction to FEAL,
linear Cryptanalysis
differential Cryptanalysis,
related key attacks,
constructing Block Ciphers from Stream Ciphers,
attacks faster than brute force on DES,
cryptanalysis of Blowfish,
cryptanalysis of IDEA,
attacks on AES,
cryptanalysis of KASUMI,
cryptanalysis of MISTY,
cryptanalysis of RC5,
cryptanalysis of CAST.

Material & Literature

The slides of the introductory talk about "How to write a paper and how to prepare a talk" can be found here.

When preparing your paper you might find this LaTex template helpful, which is based on the Springer Lecture notes in computer science.

Literature

A nice collection of resources can be found in

A self-study course in block cipher cryptanalysis by Bruce Schneier

A good overview can be found here

Cryptanalysis of Block Ciphers: A Survey by Francois-Xavier Standaert, Gilles Piret, Jean-Jacques Quisquater

Prerequisits

A good understanding of basic concepts from probability theory and statistics is helpful.