A Distributed Implementation of the Certified Information Access Service

  • Authors:
  • Carlo Blundo;Emiliano Cristofaro;Aniello Sorbo;Clemente Galdi;Giuseppe Persiano

  • Affiliations:
  • Dipartimento di Informatica ed Applicazioni "R.M. Capocelli", Università degli Studi di Salerno, Fisciano (SA), Italy 84084;Dipartimento di Informatica ed Applicazioni "R.M. Capocelli", Università degli Studi di Salerno, Fisciano (SA), Italy 84084;Dipartimento di Informatica ed Applicazioni "R.M. Capocelli", Università degli Studi di Salerno, Fisciano (SA), Italy 84084;Dipartimento di Scienze Fisiche, Università degli Studi di Napoli "Federico II", Napoli, Italy 80126;Dipartimento di Informatica ed Applicazioni "R.M. Capocelli", Università degli Studi di Salerno, Fisciano (SA), Italy 84084

  • Venue:
  • ESORICS '08 Proceedings of the 13th European Symposium on Research in Computer Security: Computer Security
  • Year:
  • 2008

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Abstract

In this paper we consider the problem of securely outsourcing computation on private data. We present a protocol for securely distributing the computation of the data structures used by current implementations of the Certified Information Accessprimitive. To this aim, we introduce the concept of a Verifiable Deterministic Envelope- that may be of independent interest - and we provide practical implementations, based on standard cryptographic assumptions.We also discuss a prototype implementation of our proposal based on the PUB-WCL framework developed at the University of Paderborn for sharing computation across a network.