R-PEKS: RBAC Enabled PEKS for Secure Access of Cloud Data

K. Rajesh Rao, Indranil Ghosh Ray, Waqar Asif, Ashalatha Nayak, Muttukrishnan Rajarajan

Research output: Contribution to journalArticle

Abstract

In the recent past, few works have been done by combining attribute-based access control with multi-user PEKS, i.e., public key encryption with keyword search. Such attribute enabled searchable encryption is most suitable for applications where the changing of privileges is done once in a while. However, to date, no efficient and secure scheme is available in the literature that is suitable for these applications where changing privileges are done frequently. In this paper our contributions are twofold. Firstly, we propose a new PEKS scheme for string search, which, unlike the previous constructions, is free from bi-linear mapping and is efficient by 97% compared to PEKS for string search proposed by Ray et.al in TrustCom 2017. Secondly, we introduce role based access control (RBAC) to multi-user PEKS, where an arbitrary group of users can search and access the encrypted files depending upon roles. We termed this integrated scheme as R-PEKS. The efficiency of R-PEKS over the PEKS scheme is up to 90%. We provide formal security proofs for the different components of R-PEKS and validate these schemes using a commercial dataset.

Original languageEnglish
Article number8839027
Pages (from-to)133274-133289
Number of pages16
JournalIEEE Access
Volume7
DOIs
Publication statusPublished - 01-01-2019

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Access control
Cryptography

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Rajesh Rao, K., Ray, I. G., Asif, W., Nayak, A., & Rajarajan, M. (2019). R-PEKS: RBAC Enabled PEKS for Secure Access of Cloud Data. IEEE Access, 7, 133274-133289. [8839027]. https://doi.org/10.1109/ACCESS.2019.2941560
Rajesh Rao, K. ; Ray, Indranil Ghosh ; Asif, Waqar ; Nayak, Ashalatha ; Rajarajan, Muttukrishnan. / R-PEKS : RBAC Enabled PEKS for Secure Access of Cloud Data. In: IEEE Access. 2019 ; Vol. 7. pp. 133274-133289.
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Rajesh Rao, K, Ray, IG, Asif, W, Nayak, A & Rajarajan, M 2019, 'R-PEKS: RBAC Enabled PEKS for Secure Access of Cloud Data', IEEE Access, vol. 7, 8839027, pp. 133274-133289. https://doi.org/10.1109/ACCESS.2019.2941560

R-PEKS : RBAC Enabled PEKS for Secure Access of Cloud Data. / Rajesh Rao, K.; Ray, Indranil Ghosh; Asif, Waqar; Nayak, Ashalatha; Rajarajan, Muttukrishnan.

In: IEEE Access, Vol. 7, 8839027, 01.01.2019, p. 133274-133289.

Research output: Contribution to journalArticle

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Rajesh Rao K, Ray IG, Asif W, Nayak A, Rajarajan M. R-PEKS: RBAC Enabled PEKS for Secure Access of Cloud Data. IEEE Access. 2019 Jan 1;7:133274-133289. 8839027. https://doi.org/10.1109/ACCESS.2019.2941560