Author : J. Rajiv Kumar 1
Date of Publication :14th March 2018
Abstract: Cloud computing is a platform to provide different services to the cloud users. User shared the sensitive data over the cloud which gives rise to security issues in cloud computing. So, to protect user’s data a secure methodology fragmentation and replication of data is used in this paper. The data is fragmented into pieces and then replicate them over the cloud nodes for maintaining the availability, performance level and backing up the data. T-coloring term is used here which is not giving any idea about locations of the fragments to an attacker. T-coloring method is used to assign the fragments and their replicas to improve the security. Three fish encryption algorithm used to provide high security. Data owner can use their secret key for encrypt the data. Then the files are in ciphertext form. These files are decrypted by the same key that is used for encryption on the receiver end. This system mainly focuses on the data and authentication system with good performance
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