An Investigation Of An Efficient Attribute-Based Encryption Scheme In Cloud Computing


In recent years, more and more users and enterprises have entrusted data storage and platform construction to proxy cloud service providers (PCSP) through the cloud technology. In this context, the attribute-based encryption (ABE) mechanism can make up for the shortcomings of traditional encryption through flexible and fine-grained access policies and prevention of collusion. However, there are some security issues with the access policy and files need to be updated in actual applications. With ABE has an over-calculation problem, Storage costs. In this article, an effective ciphertext strategy Proposed an ABE scheme with policy update and document update in cloud computing. Generated ciphertext component, the password obtained through the first encryption can be shared when the policy is updated and a file update occurs. It reduces the storage and communication costs and computing costs of the client PCSP. In addition, the program proved to be it is safe under the decision q-parallel bilinear assumption Diffie–Hellman Index (BDHE). Finally, the experimental simulation shows that the scheme is efficient. In terms of policy updates and document updates. Keywords- Attribute-based encryption (ABE), ciphertext policy (CP), Cloud computing, file update, policy update.



Software And Hardware

• Hardware: Processor: i3 ,i5 RAM: 4GB Hard disk: 16 GB • Software: operating System : Windws2000/XP/7/8/10 Anaconda,jupyter,spyder,flask Frontend :-python Backend:- MYSQL