Decentralised Access Control With Aggregate Key Encyryption for Data Stored in Cloud

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Provided by: The International Journal of Innovative Research in Computer and Communication Engineering
Topic: Cloud
Format: PDF
The authors 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 they 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 centralized approaches.
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