Index Generation and Secure Multi-user Access Control over an Encrypted Cloud Data

S. Raghavendra, K. Meghana, P. A. Doddabasappa, C. M. Geeta, Rajkumar Buyya, K. R. Venugopal, S. S. Iyengar, L. M. Patnaik

Research output: Contribution to journalConference articlepeer-review

11 Citations (Scopus)

Abstract

Cloud computing provides economical and effective solution for sharing data among cloud users with low maintenance cost. The security of data and identity confidentiality while sharing data in multi-owner way cannot be assured by the Cloud Service Providers (CSP's). The Cloud Service Providers are reliable but curious to know the recurrent membership changes in the cloud. In this paper, we propose a secure multi-owner data sharing for dynamic group in the cloud with RSA Chinese Remainder Theorem (RSA-CRT) encryption technique and substring index generation method. RSA-CRT efficiently manages revocation list, key management, with reduced storage and computational overhead. The substring Index generation algorithm reduces the storage space compared to wild card fuzzy alogorithm1.

All Science Journal Classification (ASJC) codes

  • General Computer Science

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