Improved Identity Based Encryption with Secured Revocation Mechanism in Cloud Computing
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2016, Vol 18, Issue 2
Abstract
Cloud data storing and retrieval is mostly important process in the cloud computing environment because of which cloud service providers are increase. When users attempts to store their contents in the third party service providers, the major challenge that might arise is the security. To ensure the security, data’s are stored in the encrypted formats. Here the data access control would be more difficult problem where the data access needs to be limited for the available users. In this work, identity based encryption is used to limit the dataaccess permission for the users by encrypting the data contents using the unique identity information. The identity based encryption is done in the block level to control the data contents that are provided to the users. To ensure thesecurity from the malicious users, this work introduces the user revocation scheme. Revocation process is outsourced to the key update server to reduce the burden of private key generator. The overall burden of revokedusers is eliminated by separating the key updation process from the data server. The key updation server is splitted and distributed to the different components such updation key generation process to the key updation server and the key updation process to the individual users. The experimental tests conducted by proved that the proposed methodology provides better result than the existing approach in terms of improved security level.
Authors and Affiliations
S. Dhivya , P. Senthil
Keywords
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