Cloud Computing is a set of IT Services, for example network, software system, storage, hardware, software, and resources and these services are provided to a customer over a network. The IT services of Cloud Computing are delivered by third party provider who owns the infrastructure. Benefits of cloud storage are easy access means access to your knowledge anyplace, anyhow, anytime, scalability, resilience, cost efficiency, and high reliability of the data. Because of these benefits each and every organization is moving its data to the cloud, means it uses the storage service provided by the cloud provider. So there is a need to protect that data against unauthorized access, modification or denial of services etc. To secure the Cloud means secure the treatments (calculations) and storage (databases hosted by the Cloud provider). In this research paper, the proposed work plan is to eliminate the concerns regarding data privacy using cryptographic algorithms to enhance the security in cloud as per different perspective of cloud customers. Cloud Computing can become more secure using cryptographic algorithms. Cryptography is the art or science of keeping messages secure by converting the data into non readable forms. But the existing cryptographic algorithms are single level encryption algorithms. Cyber criminals can easily cracked single level encryption. Hence we propose a system which uses multilevel encryption and decryption to provide more security for Cloud Storage. As our proposed algorithm is a Multilevel Encryption and Decryption algorithm. Thus, in our proposed work, only the authorized user can access the data. Even if some intruder (unauthorized user) gets the data accidentally or intentionally, he must have to decrypt the data at each level which is a very difficult task without a valid key. It is expected that using multilevel encryption will provide more security for Cloud Storage than using single level encryption.
Also S.S. Khan & R.R.Tuteja REF their plan is to enhance the cloud security as per cloud customer's requirement and to eliminate the concerns related with data privacy.
Security in Cloud Computing using Cryptographic Algorithms
International Journal of Innovative Research in Computer and Communication Engineering
Computer Science