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IT Security and Cryptography


Prof. Dr.-Ing. Tibor Jager

News

  • PhD Defense: Dr.-Ing. Kai Gellert
    Dr.-Ing. Kai Gellert successfully defended his PhD thesis "Construction and Security Analysis of... [more]
  • Accepted Paper to the Journal of Cryptology
    The research paper "On the Tight Security of TLS 1.3: Theoretically-Sound Cryptographic Parameters... [more]
  • Accepted Paper to the Journal of Cryptology
    The paper "Bloom Filter Encryption and Applications to Efficient Forward-Secret 0-RTT Key Exchange"... [more]
  • Accepted paper to the Computer Journal
    The paper "A Modern View on Forward Security" by Kai Gellert (in collaboration with Colin Boyd from... [more]
  • Accepted paper at ICICS 2020
    The research paper "Client-oblivious OPRAM" by Gareth T. Davies and co-authors Christian Janson (TU... [more]
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Accepted Paper to the Journal of Cryptology

The research paper "On the Tight Security of TLS 1.3: Theoretically-Sound Cryptographic Parameters for Real-World Deployments" by Denis Diemert and Tibor Jager has been accepted to the Journal of Cryptology.

This work provides a new security proof for version 1.3 of the Internet's most important security mechanism, Transport Layer Security (TLS). Compared to previous proofs, it provides a tight security bound, which implies that it is possible to deploy TLS efficiently without loosing a certain level of security.