Dr.-Ing. Kai Gellert

Awards

• GDD-Wissenschaftspreis 2020

Publications

2022

• Kai Gellert, Tibor Jager, Lin Lyu, Tom Neuschulten
  On Fingerprinting Attacks and Length-Hiding Encryption
  RSA Conference, Cryptographers’ Track - CT-RSA 2022

2021

• Denis Diemert, Kai Gellert, Tibor Jager, Lin Lyu
  Digital Signatures with Memory-Tight Security in the Multi-Challenge Setting
  27th Annual International Conference on the Theory and Applications of Cryptology and Information Security - ASIACRYPT 2021
• Colin Boyd, Gareth T. Davies, Bor de Kock, Kai Gellert, Tibor Jager, Lise Millerjord
  Symmetric Key Exchange with Full Forward Security and Robust Synchronization
  27th Annual International Conference on the Theory and Applications of Cryptology and Information Security - ASIACRYPT 2021
• Kai Gellert, Tobias Handirk
  A Formal Security Analysis of Session Resumption Across Hostnames
  26th European Symposium on Research in Computer Security - ESORICS 2021
• Denis Diemert, Kai Gellert, Tibor Jager, Lin Lyu
  More Efficient Digital Signatures with Tight Multi-User Security
  24th International Conference on Practice and Theory of Public-Key Cryptography - PKC 2021
• Nimrod Aviram, Kai Gellert, Tibor Jager
  Session Resumption Protocols and Efficient Forward Security for TLS 1.3 0-RTT
  Journal of Cryptology - Special Issue on TLS 1.3, 2021
• David Derler, Kai Gellert, Tibor Jager, Daniel Slamanig, Christoph Striecks
  Bloom Filter Encryption and Applications to Efficient Forward-Secret 0-RTT Key Exchange
  Journal of Cryptology, 2021

2020

• Fynn Dallmeier, Jan P. Drees, Kai Gellert, Tobias Handirk, Tibor Jager, Jonas Klauke, Simon Nachtigall, Timo Renzelmann, Rudi Wolf
  Forward-Secure 0-RTT Goes Live: Implementation and Performance Analysis in QUIC
  19th International Conference on Cryptology and Network Security 2020
• Colin Boyd, Kai Gellert
  A Modern View on Forward Security
  The Computer Journal, 2020
• Sebastian Lauer, Kai Gellert, Robert Merget, Tobias Handirk, Jörg Schwenk
  T0RTT: Non-Interactive Immediate Forward-Secret Single-Pass Circuit Construction
  Proceedings on Privacy Enhancing Technologies 2020

2019

• Nimrod Aviram, Kai Gellert, Tibor Jager
  Session Resumption Protocols and Efficient Forward Security for TLS 1.3 0-RTT
  38th Annual International Conference on the Theory and Applications of Cryptographic Techniques - EUROCRYPT 2019

Doctoral Dissertation

• Kai Gellert
  Construction and Security Analysis of 0-RTT Protocols
  PhD Thesis, 2020