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Second Midterm Review

Written on 10.06.26 by Hanyu Luo Kriso

Dear students,

You can review your midterms on 12.06. in E9 1 (CISPA building), room 0.02 from 13:00 to 16:00.

Registration for the midterm exam review is now open in the CMS system (until tomorrow 17:00). Please sign up if you would like to review your exam, it will help us with the… Read more

Dear students,

You can review your midterms on 12.06. in E9 1 (CISPA building), room 0.02 from 13:00 to 16:00.

Registration for the midterm exam review is now open in the CMS system (until tomorrow 17:00). Please sign up if you would like to review your exam, it will help us with the organization and is mandatory.

Best,
Hanyu

No lecture on Wednesday (10.06.2026)

Written on 08.06.26 by Lucjan Hanzlik

Dear Students,

As mentioned during last week’s lectures, there will be no lecture this Wednesday (10.06.2026).

Instead, we will have a “Recap + Q&A Lecture” before the main exam on 03.08.2026 in HS I in E 2.5.
During this session, I will review the topics covered throughout the course and… Read more

Dear Students,

As mentioned during last week’s lectures, there will be no lecture this Wednesday (10.06.2026).

Instead, we will have a “Recap + Q&A Lecture” before the main exam on 03.08.2026 in HS I in E 2.5.
During this session, I will review the topics covered throughout the course and answer any remaining questions you may have before the exam.

Best,

Lucjan Hanzlik

Seating for Second Midterm

Written on 07.06.26 by Nico Döttling

Dear Students,

The second midterm will take place tomorrow. The seating for the second midterm is online. Please check where you are seated and make sure to be at the GHH lecture hall at 10:15 latest tomorrow if you take part in the second midterm!

Midterm Review

Written on 01.06.26 (last change on 02.06.26) by Hendrik Waldner

Dear students,

~~You can review your midterms on 03.06. in E9 1, room 2.22 (tentatively) from 14:30 to 16:00.~~

Please notice the changes.

The review will take place now at CISPA, Building D1, Kaiserstraße 21, 66386 Sankt Ingbert (not University of Saarland building). Due to that we extend the… Read more

Dear students,

~~You can review your midterms on 03.06. in E9 1, room 2.22 (tentatively) from 14:30 to 16:00.~~

Please notice the changes.

The review will take place now at CISPA, Building D1, Kaiserstraße 21, 66386 Sankt Ingbert (not University of Saarland building). Due to that we extend the time.

Registration for the midterm exam review is now open in the CMS system (until tomorrow 9:00). Please sign up if you would like to review your exam, it will help us with the organization and is mandatory.

Available time slots: 10:00–12:00 and 13:00–15:00.

Best,
Hendrik and Lucjan

Registration for Second Midterm

Written on 01.06.26 (last change on 01.06.26) by Lucjan Hanzlik

Dear students,

If you have not completed the required step yet, please register for the second midterm date (until Friday).

This also applies to students who have already registered for the first midterm date and did not pass it.

Best regards,

Lucjan Hanzlik

Seat Assignments for the first Midterm

Written on 26.05.26 by Nico Döttling

Dear Students,

we have completed the seat assignment for the first midterm exam tomorrow. Please find it in the materials section or just click here

The exam will be tomorrow 27.05.26 at 16:30. Please be at the lecture hall you were assigned at 16:15

Rules for the Midterm Exam

Written on 21.05.26 by Nico Döttling

Dear Students,

as this question was asked several times: For the midterm exam neither a calculator nor a cheat sheet is allowed. Thank you for you understanding

Start time of the midterm

Written on 20.05.26 by Nico Döttling

Dear Students,

the Midterm exam on 27.05. will start at 16:15, please make sure to be at the lecture hall at that time or better yet a few minutes early. Thank you for your understanding!

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.

Show all

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 27.05.26, 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.

The main exam will be on 06.08.26 from 15:00 to 17:00. It will take place in the lecture halls HS001, HS002, and HS003 in E 1.3 (potentially also 0.05 in E 9.1).
Seat assignment will be announced later.

The re-exam will be on 01.09.26 from 10:00 to 12:00. It will take place in the lecture halls HS I and HS II in E 2.5.