Privacy Preservetion And Integrity Maintenance Using Fined-Grained Attribute Based Key Encryption Scheme.

Information Technology

Cloud computing has become a significant computing model in the IT industry, but Security and privacy are very important issues in cloud computing. In existing system access control in clouds are centralized in nature However, storing sensitive data on untrusted servers is a challenging issue for this model. To guarantee their confidentiality and proper access control of outsourced sensitive data, classical encryption techniques are used. However, such access control schemes are not feasible in cloud computing because of their lack of flexibility, scalability and in terms of access control definition. Instead, Attribute-Based Encryption (ABE) techniques, A new fine-attribute based data control scheme for secure data storage in clouds that supports anonymous authentication. this mechanism is nested in between fine-grained and attribute based encryption mechanism, which uses for Creation of access policy, file accessing and file restoring process. In this scheme key aggregation is also used with respect to usage of key mechanism. F-ABE (Fine-Attribute Based Encryption ) schemes and creates a secure way for authenticity and integrity maintenance for user's sensitive data, stored on Cloud Server.

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