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Double Master’s Program in Cryptography

Logo université de Rennes

The Double Master’s Program in Cryptography with the Université de Rennes 1 was established in the winter semester 2013/14. Within one program and without any additional time needed, students can receive two degrees: The French and the German master’s degrees.

Studying under the Roof of the German-French University

DFH LogoThe Double-Degree Program in Cryptography is offered and funded under the roof of the DFH (German-French University). While staying in the partner country, students receive a mobility allowance in the amount of EUR 270/month for a maximum period of ten months. Major tasks of the German-French University (DFH) are the initiation, coordination, and funding of studies programs of German and French partner universities. Only programs meeting certain criteria defined by the DFH are considered. The binational studies program has to result in a double degree. The DFH wishes to strengthen the cooperation between Germany and France in the university sector and increase the mobility of students and university teachers in both countries. A major mission of the German-French University is the formation of a constantly growing group of university graduates in various disciplines, who have both scientific qualification and binational competence.

Structure and Contents of the Program

The program always starts in the winter semester with the beginning of the academic year in France on September 01 (= start of lectures!). German students completing their bachelor’s program in the summer semester or having started the master’s studies already may take part. The program covers the complete master’s studies course. German students study together with French students in mixed binational age groups.

The contents of the program are outlined in a joint curriculum of both partner universities: In the first year, the mathematical fundamentals for the theory of security and cryptography are taught in special mathematics courses relating to cryptography at Rennes 1. French students are conveyed the basic knowledge in informatics. In the second year, further detailed knowledge in cryptography is taught at KIT. Due to the many offers at KIT, studies plans can be adapted to the interests of the students.

At the end of the studies, the graduate is conferred two master’s degrees:

  1. Master of Science (conferred by KIT)
  2. Master de Mathématique et Informatique, spécialité code correcteurs et cryptographie (conferred by Rennes 1)
As a result of the different structures of the academic year at Rennes 1 and KIT, a free time of several months results between the end of the first year at Rennes and the start of the second year at KIT. This time overlaps with the summer semester at KIT. It may be used by students to join courses at KIT and reach their degree more quickly.

Studies Plan for All Participants of the Double Master’s Program in Cryptography

  Rennes 1 KIT
1st year 1st and 2nd Semesters

Mathematics (algebra, number theory, general geometry); informatics (algorithms, programming, encoding, information theory, complexity theory, cryptography)
2nd year   3rd and 4th Semesters

Basic modules (e.g. formal systems, telematics); specialization/elective subjects (e.g. seminar, practical training, cryptography); master’s thesis

Application and Admission

If you are interested in the Double Master’s Program, please contact us .

The following requirements have to be met to participate in the Double Master’s Program in Cryptography with the University of Rennes 1:

  1. Admission for the KIT master’s program in informatics.
  2. Good to excellent knowledge of the French language.
  3. Above-average performance in the bachelor’s program.
  4. Interest in mathematics.
  5. Wish for specialization in cryptography.
  6. Completion of the bachelor’s program before the start of the master’s program (= September 1).

The complete application documents have to be submitted to the Service Center for Studies and Teaching of the Department of Informatics by April 1 at the latest. These documents are to include:

  • Motivation letter.
  • Curriculum vitae in tabular form with photo.
  • Current transcript of records and a copy of the university entrance certificate.

The motivation letter and the curriculum vitae shall be written in French.

Language Knowledge

Selected KIT-students have the opportunity to participate in French language courses for double degree students organized by KIT-DeFI. Furthermore they can brush up their French in language courses at the Langauge Center of KIT or at the Centre Culturel Franco-Allemand



Rennes is the capital of the French region and former duchy of Brittany. With a population of more than 200,000, Rennes is in 10th place of the biggest cities in France. Rennes has two universities: At the University of Rennes 1, natural sciences (biology, chemistry, physics, mathematics, geology), medicine, and philosophy are taught. The University of Rennes 2 teaches arts, social sciences, and humanities. 23,000 students study on three campuses. Of these, about 2700 are international students. More information on student life in Rennes can be found in the "Student Guide" of the city.

Links and General Information


Felix Ulmer
Université de Rennes 1
IRMAR, UFR Mathématiques
Campus de Beaulieu, bâtiments 22 et 23
263 avenue du Général Leclerc, CS 74205
35042 RENNES Cédex
Tel: (+33) 0223236044



Please do not hesitate to contact us at: exchange∂informatik.kit.edu

Contact person at the Department of Informatics: Christine Glaubitz