Special Issue Article Open Access

Decentralised Access Control with Aggregate Key Encyryption For Data Stored In Cloud

Abstract

We propose a perfect decentralized access control scheme with aggregate key encryption for data stored in cloud. This scheme provides secure data storage and retrieval. Along with the security the access policy is also hidden for hiding the user’s identity. This scheme is so powerful since we use aggregate encryption and string matching algorithms in a single scheme. The scheme detects any change made to the original file and if found clear the error’s. The algorithm used here are very simple so that large number of data can be stored in cloud without any problems. The security, authentication, confidentiality are comparable to the centralised approaches.

Mr. Ashwin Chandra C, Ms. Dharani S

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