11. – 16. September 2016, Dagstuhl-Seminar 16371

Public-Key Cryptography


Marc Fischlin (TU Darmstadt, DE)
Alexander May (Ruhr-Universität Bochum, DE)
David Pointcheval (ENS – Paris, FR)
Tal Rabin (IBM TJ Watson Research Center – Yorktown Heights, US)

Auskunft zu diesem Dagstuhl-Seminar erteilt

Dagstuhl Service Team


Dagstuhl Report, Volume 6, Issue 9 Dagstuhl Report
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Programm des Dagstuhl-Seminars [pdf]


Cryptography has turned out to be an invaluable tool for protecting the confidentiality and integrity of digital data. At the same time, cryptography does not yet provide satisfying solutions to all practical scenarios and threats. To accomplish appropriate protection of the data, cryptography needs to address several challenges.

Cryptography has always been a prominent theme within the Dagstuhl Seminar series, with the first meeting about cryptography held in 1993, and subsequent seminars on this topic about every 5 years. In 2007 and 2012 a seminar for the subarea of "Symmetric Cryptography" has been added, inciting us to coin the seminar here "Public-Key Cryptography" for sake of distinction. The public-key branch has been held for the second time, after the first event in 2011.

The seminar brought together 27 scientists in the area of public-key cryptography, including three student researchers who were invited by Dagstuhl to pick a seminar to participate in. The participants came from all over the world, including countries like the US, Great Britain, Israel, France, or Japan. Among the affiliations, Germany lead the number with 9 participants, followed by the US and France with 6 each. The program contained 21 talks, each of 25 to 60 minutes, and a panel discussion about the uneasiness with the current state of our reviewing system, with a free afternoon on Wednesday for social activities and the afternoon on Thursday for collaborations. Before the seminar, we asked the participants to present very recent and ongoing work which, ideally, should not have been published or accepted to publication yet. Most of the participants followed our suggestion and to a large extend the presentations covered topics which have not even been submitted at the time.

The topics of the talks represented the diversity of public-key cryptography. The goal of the seminar was to bring together three challenge areas in cryptography, namely, cryptanalysis and foundations (investigating and evaluating new primitives), optimization (making solutions more efficient), and deployment (designing real-world protocols). As envisioned, the seminar thus has a good mixture of talks from these areas. There were also suggestions to try to co-locate future events of the seminar with other security-related events at Dagstuhl to foster even broader interdisciplinary research. Discussions during and after the talks were lively. It seems as if the goal of stimulating collaborations among these areas has been met. The discussion about the reviewing system has led to some hands-on practices which could be deployed to improve the quality of reviews. This includes incentives such as``Best Reviewer Awards'' and teaching students about proper reviewing.

Summary text license
  Creative Commons BY 3.0 Unported license
  Marc Fischlin

Dagstuhl-Seminar Series


  • Security / Cryptology


  • Encryption
  • Signatures
  • Cryptanalysis
  • Obfuscation
  • Homomorphic Encryption
  • Key Exchange


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