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A Novel Perfect Privacy PIR Scheme for Privacy Critical Applications

  • Radhakrishna Bhat
  • N. R. Sunitha
Conference paper

Abstract

Majority of the business vendors have incorporated the policy-driven privacy setting that greatly disappoints the end user or customer even though the protocol-based privacy assurance is strongly expected. The reason behind this major disagreement between the vendor and the customer is due to the business survival necessity or the business expansion for the vendor and the mandatory technology adoption or the business monopoly creation for the customer. In order to cope up with the exponentially growing business needs, both vendor and customer have to agree upon the protocol-based privacy setting. Therefore, we have proposed a new generic (i.e., applicable for both client-server and peer-to-peer) perfect privacy preserving information retrieval protocol using the concept of Private Information Retrieval (PIR).

More interestingly, we have overcome the trivial solution of downloading the entire database by achieving o(n) communication cost by introducing a new perfect privacy preserving single database private information retrieval for privacy critical applications using quadratic residuosity as the underlying data privacy primitive. Finally, we have concluded by claiming a generic scheme suitable for privacy critical applications.

Keywords

Perfect privacy Private information retrieval PIR Quadratic residuosity Privacy critical applications 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Radhakrishna Bhat
    • 1
  • N. R. Sunitha
    • 1
  1. 1.Siddaganga Institute of TechnologyTumakuruIndia

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