DATA CENTRIC ROLE BASED ACCESS CONTROL AUTHORIZATION MODEL : AN EFFICIENT WAY TO IMPROVE SECURITY IN INTERCLOUD SCENARIO

Cloud computing provides various services depending upon user requirements i.e. platform, software and Infrastructure. Cloud computing breaks the limitation or borders in resources sharing. But at the same time increases security issues as data is residing outside control of data owner. Identity based proxy re-encryption is used while uploading data in the cloud. As data may move from one cloud to another, so rule based data centric solution is proposed. For preventing unauthorized access of data Role Based Authorization access control are developed. The solution is developed using Open stack. Virtual machine instances are created for different sets. The execution time is compared.