• Cryptography (Lecture, Master, 6 ECTS)
• Zero-Knowledge Proofs (Lecture, Master, 3 ECTS)
• It wasn't me, it was you! Deniable Authentication for the EUDI (Master Project, 12 ECTS)

• Advanced Cryptography (Lecture, Master, 6 ECTS)
• Cryptographic Proof Techniques (Seminar, Master, 6 ECTS)
• PAIRFECT: Performance, Efficiency, and Cryptographic Trade-offs in Pairing-Friendly Curves (with Prof. Chuengsatiansup, Master Project, 12 ECTS)
• The hacker mindset: Practical offensive and defensive IT-security in high-risk environments (Linus Neumann, Balthasar Martin; Lecture/Project, Master, 6 ECTS)

• Cryptography (Lecture, Master, 6 ECTS)
• Computing on Encrypted Data (Lecture, Master, 6 ECTS)
• Track me if you can: Attacking and Defending Batch-Issued Credentials (Master Project, 12 ECTS)

• Advanced Cryptography (Lecture, Master, 6 ECTS)
• Quantum-Safe Cryptography (Lecture, Master, 3 ECTS)
• Security Analysis of Apple's Private Cloud Compute (with Dr. Jiska Classen, Master Project, 12 ECTS)

• Introduction to Cryptography (Lecture, Master, 6 ECTS)
• Computing on Encrypted Data (Lecture, Master, 3 ECTS)
• Advanced Topics in Cryptography (Seminar, Master, 3 ECTS)

• Advanced Cryptography (Lecture, Master, 6 ECTS)

• Cryptographic Protocols (Seminar, Master, 6 ECTS)

• Advanced Cryptography Research Seminar (Projectseminar, Master, 6 ECTS)

• Quantum-Safe Cryptography (Lecture, Master, 3 ECTS, Dr. Gregor Seiler - IBM Research)

Reduced teaching due to sabbatical of Prof. Dr. Anja Lehmann.

• Security Analysis of Assertion Tokens in Single Sign-On Solutions (Master Project, Master, 12 ECTS)

Our team supports the following teaching offers by Dr.-Ing. Jiska Classen and Dr. Henning Seidler:

• Introduction to Cryptography (Dr. Henning Seidler, Lecture, Master, 6 ECTS)

• Mobile Security (Dr.-Ing. Jiska Classen, Lecture, Master, 6 ECTS)

• Advanced Cryptography (Lecture, Master, 6 ECTS)

• Cryptographic Protocols (Seminar, Master, 6 ECTS)

• Anonymous Credentials (Seminar, Master, 6 ECTS)

• Introduction to Cryptography (Lecture, Master, 6 ECTS)

• Current Topics in Secure Messaging (Project/Seminar, Master, 6 ECTS)

• MLS-based Multi-Client Authentication (Master Project, Master, 12 ECTS)

• Advanced Cryptography (Lecture, Master, 6 ECTS)

• Cryptography and Society (Seminar, Master, 3 ECTS)

• Password-based Authentication: Attacks & Defenses (Seminar, Master, 3 ECTS)

• Quantum-Safe Cryptography (Lecture/Seminar, Dr. Gregor Seiler/IBM Research, Master, 3 ECTS)

• Introduction to Cryptography (Lecture, Master, 6 ECTS)

• Privacy-Preserving & Copy-Resistant Immunity Certificates (Master Project, Master, 12 ECTS)

• Advanced Cryptography (Lecture, Master, 6 ECTS)

• Identity Management for End Users (Seminar, Master, 3 ECTS)

• Introduction to Cryptography (Lecture, Master, 6 ECTS)

• Identity Management for Secure Messaging (Seminar, Dr. Franziskus Kiefer/Wire, Master, 3 ECTS)

• Current Topics in Cryptography (Seminar, Master, 6 ECTS)

For bachelor/master thesis topics please send an email or stop by my office.

Winter Term 2025/2026: Track me if you can: Attacking and Defending Batch-Issued Credentials

Previous Projects:

• Security Analysis of Apple's Private Cloud Compute (SS25)
• Security Analysis of Assertion Tokens in Single Sign-On Solutions (WS23/24)
• MLS-based Multi-Client Authentication (WS22/23) - joint project with Phoenix R&D
• Privacy-Preserving & Copy-Resistant Immunity Certificates​​​​​​​ (WS21/22)