Main Page

News

Registration for Midterm Exams

Written on 15.05.26 by Nico Döttling

Dear Students,

the Registration for the midterm exam is now open. Registration is mandatory for participation in the midterm exam. You can register for the first date until the 25.05 and for the second date until the 05.06. Don't forget the midterm modalities: If you pass the on the first date you cannot take the exam on the second date, so only register for the second date if you cannot make it to the first one or if you failed on the first date!

Room Changes and Rescheduling for Tutorials

Written on 06.05.26 (last change on 06.05.26) by Hendrik Waldner

Dear students,

There are some room changes for the tutorials this month and in the coming months. The following changes will take place at UdS:

07.05., 02.07. will take place in SR014, building E 1.3.
13.05., 10.06., and 17.06. will take place in SR01, building E 2.5.
03.06. will take… Read more

Dear students,

There are some room changes for the tutorials this month and in the coming months. The following changes will take place at UdS:

07.05., 02.07. will take place in SR014, building E 1.3.
13.05., 10.06., and 17.06. will take place in SR01, building E 2.5.
03.06. will take place in Zeichensaal (U.39, E2 5 – Mathe).
15.06., 21.08. will take place in SR015, building E 1.3.

Furthermore, there are some rescheduled sessions due to holidays:

14.05. has been moved to 15.05., 08:00–10:00, in the CISPA lecture hall.
04.06. has been moved to 02.06., 14:00–16:00, in SR 03 (U.11, E2.5-Mathe).

Course Registration now open

Written on 07.04.26 by Nico Döttling

Dear Students, the course registration is now open and you can register for this course.

Cryptography

Lecture Period

The first lecture will take place during the week starting on Wednesday, April 8, 2026, and the lectures will end in the week ending on Friday, July 17, 2025.

Course Overview

Instructors: Nico Döttling and Lucjan Hanzlik

This lecture will provide an introduction to the field of cryptography. Modern cryptography is the study of the design and analysis of systems with a guaranteed resilience against adversarial abuse. During the run of the course, we will cover the following topics:

Basic Concepts of Modern Cryptography
Basic Cryptanalysis
Practical Aspects of Cryptography

Lecture Times and Place

The lecture will take place in the GHH and at the following dates:

Monday 10:15 - 11:45
Wednesday 16:00 - 17:30

On the 13.07.26 the lecture will take place in HS002

For your convenience, we will make the recordings of previous iterations of lecture available in the materials section. Be aware though that several topics may change this year.

Tutorials

Dates of the tutorials will be announced here.

Midterm

There will be a midterm exam. The first midterm will be on the 25.05.25, the midterm re-exam on the 08.06.26. Don't forget to register! Rules for the midterms are simple: You need to pass the midterm in order to qualify for the exam. If you cannot make it to the first date or fail on the first attempt, you can take the exam on the second date. You cannot take the second date to improve the grade of your first attempt.

Semesterapparat

You will find online copies of the textbooks this course is based on here. Furthermore, please refer to the Book "Complexity Theory: A modern Approach" by Arora and Barak (available here) for foundations in computational complexity.

Exercise Sheets

There will be weekly exercise sheets which are not graded.

Literature

The course is based on the textbook "Introduction to Modern Cryptography" by Katz and Lindell. You can find complementary literature in the Semesterapparat.

Exams

The exams will be in person and on site. Once the dates and place are set they will be announced here.