The Journal of Supercomputing

, Volume 67, Issue 3, pp 691–710 | Cite as

A secure file sharing service for distributed computing environments

  • Aniello Castiglione
  • Luigi Catuogno
  • Aniello Del Sorbo
  • Ugo Fiore
  • Francesco Palmieri


Distributed cryptographic file systems enable file sharing among their users and need the adoption of a key management scheme for the distribution of the cryptographic keys to authorized users according to their specific degree of trust. In this paper we describe the architecture of a basic secure file sharing facility relying on a multi-party threshold-based key-sharing scheme that can be overlaid on top of the existing stackable networked file systems, and discuss its application to the implementation of distributed cryptographic file systems. It provides flexible access control policies supporting multiple combination of roles and trust profiles. A proof of concept prototype implementation within the Linux operating system framework demonstrated its effectiveness in terms of performance and security robustness.


Distributed file system Key escrow Key management/distribution Threshold based schemes Grid computing 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Aniello Castiglione
    • 1
  • Luigi Catuogno
    • 1
  • Aniello Del Sorbo
    • 1
  • Ugo Fiore
    • 2
  • Francesco Palmieri
    • 3
  1. 1.Dipartimento di InformaticaUniversità di SalernoFiscianoItaly
  2. 2.Centro di Ateneo per i Servizi InformativiUniversità di Napoli Federico IINapoliItaly
  3. 3.Dipartimento di Ingegneria Industriale e dell’InformazioneSeconda Università di NapoliAversaItaly

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