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Enhancing Public Digital Identity System (SPID) to Prevent Information Leakage

  • Francesco BuccafurriEmail author
  • Lidia Fotia
  • Gianluca Lax
  • Rocco Mammoliti
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9265)

Abstract

Public Digital Identity System (SPID) is the Italian government framework compliant with the EU eIDAS regulatory environment, aimed at implementing electronic identification and trust services in e-government and business applications. According to this federated identity management framework, digital identities are issued, upon application of the interested party, by digital identity providers. This way, users authenticate to service providers, which are public or private organizations providing a service to authorized users, provided that they adhere to SPID. A drawback that could limit the real diffusion of this framework is that, despite the fact that identity and service providers might be competitor private companies, SPID authentication results in information leakage about customers of identity providers. To overcome this potential limitation, in this paper, we propose a modification of SPID to allow user authentication by preserving the anonymity of the identity provider that grants the authentication credentials. This way, information leakage about customers of identity providers is fully prevented.

Notes

Acknowledgment

This work has been partially supported by the TENACE PRIN Project (n. 20103P34XC) funded by the Italian Ministry of Education, University and Research and by the Program “Programma Operativo Nazionale Ricerca e Competitività” 2007-2013, Distretto Tecnologico CyberSecurity funded by the Italian Ministry of Education, University and Research.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Francesco Buccafurri
    • 1
    Email author
  • Lidia Fotia
    • 1
  • Gianluca Lax
    • 1
  • Rocco Mammoliti
    • 2
  1. 1.DIIESUniversity Mediterranea of Reggio CalabriaReggio CalabriaItaly
  2. 2.Security and SafetyPoste Italiane S.p.ARomaItaly

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