A MECHANISM FOR PREVENTING DUPLICATE FILES IN CLOUD
Journal Title: International Research Journal of Computer Science - Year 2016, Vol 0, Issue 0
Abstract
cloud computing provides a way of storing a voluminous data and can be easily accessed anywhere. This work deals about the prevention of a duplicate file storage in cloud. Here there are three important components in our system namely the owner of the data who generated and will store it in the cloud, the user can be a valid person who will download the file after providing the suitable credentials namely the user will provide the encrypted key he obtained through his mail to download a file from the cloud, the third important component is the cloud. Here the file is provided a unique value which can be used to identify it SHA is used for this purpose. Then for the secure encryption and decryption RSA algorithm is used. The user needs to provide this key to decrypt and obtain file ensure confidentiality of data. A owner can upload a file and when he uploads a duplicate copy of the file the cloud server will notify a error. This duplicate prevention in a cloud ensures that the memory space is effectively utilized thereby reducing the processing overhead.
Authors and Affiliations
Komathi R, Deepapriya V, Mohana priya M, Natteshan N. V. S,
Keywords
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