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IT Security and Cryptography


Prof. Dr.-Ing. Tibor Jager

News

  • Accepted Paper to the Journal of Cryptology
    The research paper "Session Resumption Protocols and Efficient Forward Security for TLS 1.3 0-RTT"... [more]
  • GDD Science Award for Kai Gellert
    Dr.-Ing. Kai Gellert was awarded this year's science award from the Society for Data Protection and... [more]
  • Tibor Jager joins the program committee of ESORICS 2021
    ESORICS 2021 is the 26th European Symposium on Research in Computer Security. [more]
  • PhD Defense: Dr.-Ing. Rafael Kurek
    Dr.-Ing. Rafael Kurek successfully defended his PhD thesis "Effcient Cryptographic Constructions... [more]
  • Keynote talk on TLS 1.3 and Real-World Crypto at ISC 2020
    On December 16, 2020, Tibor Jager gave a keynote talk on "Real-World Cryptography from an Academic... [more]
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Accepted Paper to the Journal of Cryptology

The research paper "Session Resumption Protocols and Efficient Forward Security for TLS 1.3 0-RTT" by Kai Gellert, Tibor Jager and Nimrod Aviram (Tel Aviv University) has been accepted to the Journal of Cryptology.

This work investigates 0-RTT session resumption protocols, which enable a fest and secure resumption of past Internet connections, without the need to perform a fresh and expensive key exchange protocol. We show that it is possible to resume sessions with minimal latency and without sacrificing strong security properties such as forward security. The developed protocol can be directely integrated into existing Transport Layer Security (TLS) protocol implementations without the need to modify its standard.

This work is the full version of a paper that has been published at Eurocrypt 2019, one of the flagship conferences in cryptography. Our extended version will now also be published in the Journal of Cryptology, the leading journal in the area of cryptology.