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The New Randomness Beacon Format Standard: An Exercise in Limiting the Power of a Trusted Third Party

  • John KelseyEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11322)

Abstract

We discuss the development of a new format for beacons–servers which provide a sequence of digitally signed and hash-chained public random numbers on a fixed schedule. Users of beacons rely on the trustworthiness of the beacon operators. We consider several possible attacks on the users by the beacon operators, and discuss defenses against those attacks that have been incorporated into the new beacon format. We then analyze and quantify the effectiveness of those defenses.

Notes

Acknowledgements

The author would like to thank René Peralta, Luís Brandão, Harold Bloom, Paul Black, Carl Miller, and the participants of the Vail Computer Elements Workshop and COSIC Seminar, for many useful comments, questions and conversations about this work. The author would also like to thank the anonymous referees, for many useful comments and requests for clarification.

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Copyright information

© This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply 2018

Authors and Affiliations

  1. 1.National Institute of Standards and TechnologyGaithersburgUSA
  2. 2.Department of Electrical Engineering, ESAT/COSICKU LeuvenLeuvenBelgium

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