Auditing to keep online storage services honest
HOTOS'07 Proceedings of the 11th USENIX workshop on Hot topics in operating systems
Dynamic provable data possession
Proceedings of the 16th ACM conference on Computer and communications security
Privacy-preserving public auditing for data storage security in cloud computing
INFOCOM'10 Proceedings of the 29th conference on Information communications
Toward publicly auditable secure cloud data storage services
IEEE Network: The Magazine of Global Internetworking
Efficient audit service outsourcing for data integrity in clouds
Journal of Systems and Software
IEEE Transactions on Information Theory
Toward Secure and Dependable Storage Services in Cloud Computing
IEEE Transactions on Services Computing
Dynamic Audit Services for Outsourced Storages in Clouds
IEEE Transactions on Services Computing
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Cloud Computing is a technology that allows the users to store their data at a remote place without the need of physical possession. There are a number of cloud service providers (CSPs) available to provide storage services. But, the problems that need to be addressed in a cloud environment are the security and integrity of the data. Ultimately, it is the task of the CSPs to ensure that the data has not been modified and free from security risks. Also the data may be lost because of a server failure. In order to address these problems, a security scheme is proposed that integrates both erasure code and raptor code. The data integrity is ensured using the token values based on erasure and raptor codes. The same codes are used to recover the original data from the cloud server in case of a server failure, as these schemes help to distribute files across several servers.