HEALTHY MONITORING OF ADMISSIONS CONTROL WITH MULTILEVEL AUTHORITY FOR PUBLIC CLOUD STORAGE-ENVIRONMENT

Abstract

Control of access to data is a difficult problem in public cloud storage systems. Cryptographic encryption (CP-ABE) was adopted as a promising way to provide control over access to flexible, reliable and secure cloud storage data with honest but colorful cloud servers. However, in the current CP-ABE schemes, the only attribute of the authority must be carried out to verify the legitimacy of the user and the timing of key distribution, which leads to suffocation and a point when the program is adopted CP-ABE in - system storage, cloud users can be caught in the queue waiting period Long time to get their keys, resulting in low system efficiency. Although motion control schemes propose multiple wills, these schemes can not yet overcome single-point bottlenecks and decrease their efficiency, due to the fact that each of the authorities continues to independently manage a set of separate attributes. In this document, we propose a new heterogeneous framework to eliminate the one-point performance bottleneck problem and provide a more efficient access control scheme with an audit mechanism. Our framework employs multiple authority authorities to share and verify the user's legitimacy. Meanwhile, in our scheme, CA (Central Authority) is provided to generate secret keys for legitimate users to verify. Unlike other multi-center access control systems, each authority in our system manages the complete set of attributes individually. To improve security, we also suggest an audit mechanism to detect any AA (attribute authority) that has incorrectly or maliciously verified the legitimacy. The analysis shows that our system not only guarantees the security requirements but also significantly improves the performance in the generation of keys.