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Malicious Clients in Distributed Secret Sharing Based Storage Networks

  • Andreas HappeEmail author
  • Stephan Krenn
  • Thomas Lorünser
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10368)

Abstract

Multi-cloud storage is a viable alternative to traditional storage solutions. Recent approaches realize safe and secure solutions by combining secret-sharing with Byzantine fault-tolerant distribution schemes into safe and secure storage systems protecting a user against arbitrarily misbehaving storage servers.

In the case of cross-company projects with many involved clients it further becomes vital to also protect the storage system and honest users from malicious clients that are trying to cause inconsistencies in the system. So far, this problem has not been considered in the literature. In this paper, we detail the problems arising from a combination of secret sharing with Byzantine fault-tolerance in the presence of malicious clients, and provide first steps towards a practically feasible solution.

Keywords

Distributed systems Secret sharing Malicious clients Byzantine fault-tolerance 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Andreas Happe
    • 1
    Email author
  • Stephan Krenn
    • 1
  • Thomas Lorünser
    • 1
  1. 1.AIT Austrian Institute of Technology GmbHViennaAustria

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