Implementing Broadcast Channels with Memory for Electronic Voting Systems

Authors

  • Severin Hauser Bern University of Applied Siences
  • Rolf Haenni Bern University of Applied Siences University of Fribourg

DOI:

https://doi.org/10.29379/jedem.v8i3.441

Abstract

To provide universal verifiability, cryptographic voting protocols often require a broadcast channel to spread the election data to the public. The basic requirements on such a broadcast channel are similar for most protocols, for example that the channel maintains a memory of all broadcast messages and that nothing can be deleted from the channel’s memory. In this paper, we provide a formal definition for such broadcast channels with memory and describe their properties. We also analyze the significance of a broadcast channel with memory in cryptographic voting protocols and propose that such a channel is provided in form of a service that we call bulletin board. Based on this service, we analyze some real-world problems that cryptographic voting protocols might have and provide possible solutions. For this we define a generic interface for the main board functionalities, which offers a flexible way of extending the basic properties of a bulletin board to comply with all sorts of additional requirements.

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Author Biographies

Severin Hauser, Bern University of Applied Siences

RISIS

Rolf Haenni, Bern University of Applied Siences University of Fribourg

RISIS

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Published

19.12.2016

How to Cite

Hauser, S., & Haenni, R. (2016). Implementing Broadcast Channels with Memory for Electronic Voting Systems. JeDEM - EJournal of EDemocracy and Open Government, 8(3), 61–79. https://doi.org/10.29379/jedem.v8i3.441

Issue

Section

Research Papers