christian janson

I am a Postdoc in the Cryptoplexity team led by Marc Fischlin at Technische Universität Darmstadt. Prior to this I was a Ph.D. student in the Information Security Group at Royal Holloway, University of London under the supervision of Carlos Cid. It all began at Universität Bremen where I studied mathematics and completed my diploma in the AlZAGK group under the supervision of Michael Hortmann.

I am a member of the IACR and my Erdös-Bacon number is 6.

research interests

My main (current) research interests are:

  • zero knowledge
  • authenticated encryption
  • secure channels

academic career and education

since July 2016: Postdoctoral researcher in the Cryptoplexity team, Technische Universität Darmstadt

2012-2016: Ph.D. in Information Security, Royal Holloway, University of London

2006-2012: Diploma in mathematics, Universität Bremen

professional activities

May 2019: Eurocrypt 2019 Workshop General Co-Chair

since March 2017: member of examining board (Prüfungskommission) in the computer science department

peer reviewing

Scientific Conferences

2020: PKC, Crypto

2019: PKC, Crypto, Asiacrypt, IMA CC

2018: Financial Cryptography, PKC, CT-RSA, Crypto, CCS, iPAT, Asiacrypt


2016: CT-RSA


2014: SAC


2017: Journal of Designs, Codes and Cryptography

2016: Journal of Designs, Codes and Cryptography, IEEE Transactions on Information Forensics and Security

programm committee

2020: iPAT

2019: IMA CC, iPAT

2018: iPAT


2018: Best Teaching Award for Lecture Real World Crypto, TU Darmstadt, summer term 2017 (teaching assistant)

research visits

January 2019: UCSD, San Diego, USA - Dep. of Computer Science and Engineering

Host: Dr. Felix Günther

September 2017: NTNU Trondheim, Trondheim, NO - Dep. of Information Security and Communication Technology

Host: Prof. Colin Boyd & Dr. Gareth T. Davies

August 2015: Universität Mannheim, Mannheim, GER - Dependable Systems Engineering

Host: Prof. Dr. Frederik Armknecht

Mai 2015: Universität Mannheim, Mannheim, GER - Dependable Systems Engineering

Host: Prof. Dr. Frederik Armknecht



Rune Fiedler (ongoing) - Stronger Security Notions for Post-Quantum Signature Schemes (co-supervised with Marc Fischlin)

Oliver Käfer (ongoing) - Formale Verifikation von Bluetooth (co-supervised with Marc Fischlin)


Timo Klonowski (May-July 2019) - Sicherheit des USB-Typ-C Authentifizierungsprotokolls (co-supervised with Marc Fischlin)

Jean-Pierre Münch (April-July 2019) - Analysis of the Current State of Non Memory-hard Password-based Cryptographic Primitives (co-supervised with Marc Fischlin)