Interoperable grid PKIs among untrusted domains: an architectural proposal

  • Authors:
  • Valentina Casola;Jesus Luna;Oscar Manso;Nicola Mazzocca;Manel Medina;Massimiliano Rak

  • Affiliations:
  • University of Naples, Italy;Universitat Politècnica de Catalunya, Spain;Universitat Politècnica de Catalunya, Spain;University of Naples, Italy;Universitat Politècnica de Catalunya, Spain;Second University of Naples, Italy

  • Venue:
  • GPC'07 Proceedings of the 2nd international conference on Advances in grid and pervasive computing
  • Year:
  • 2007

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Abstract

In the last years several Grid Virtual Organizations -VOs- have been proliferating, each one usually installing its own Certification Authority and thus giving birth to a large set of different and possibly untrusted security domains. Nevertheless, despite the fact that the adoption of Grid Certification Authorities (CAs) has partially solved the problem of identification and authentication between the involved parties, and that Public Key Infrastructure (PKI) technologies are mature enough, we cannot make the same assumptions when untrusted domains are involved. In this paper we propose an architecture to face the problem of secure interoperability among untrusted Grid-domains. Our approach is based on building a dynamic federation of CAs, formed thorough the quantitative and automatic evaluation of their Certificate Policies. In this paper we describe the proposed architecture and its integration into Globus Toolkit 4.