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Cloud computing is Internet based technology where the users can subscribe high quality of services from data and software that resides solely in the remote servers. This provides many benefits for the users to create and store data in the remote servers thereby utilizing fewer resources in client system. However management of the data and software may not be fully trustworthy which possesses many security challenges. One of the security issues is the data storage security where frequent integrity checking of remotely stored data is carried out. RSA based storage security (RSASS) method uses public auditing of the remote data by improving existing RSA based signature generation. This public key cryptography technique is widely used for providing strong security. Using this RSASS method, the data storage correctness is assured and identification of misbehaving server with high probability is achieved. This method also supports dynamic operation on the data and tries to reduce the server computation time. The preliminary results achieved through RSASS, proposed scheme outperforms with improved security in data storage when compared with the existing methods.
Date of Conference: 19-21 April 2012