An Improved Secure Model for Cloud Data Storage

Ewulonu O. V, Nwachukwu E. O, Onyejegbu L N

Abstract


Scientific computing has metamorphosed to a dimension where phenomenal data are reposited in cloud for safe storability, which make data readily available for decision making. Cloud computing is recent computing paradigm and innovation that has removed the danger of unexpected data loss. But cloud computing adoption and diffusion are threatened by unresolved security issues that affect both the Cloud provider and the cloud user especially in the area of cloud data storage. Security becomes an essential issue. A secure data storage is needed in cloud computing to lower the risk involved in moving sensitive data to cloud storage environment. This thesis is aimed at developing an improved secure model for cloud data storage. The methodology employed in our research is Object–Oriented Analysis and Design(OOAD) and experimentation in conjunction with selected sub set of Unified Modelling Techniques. The technique used in solving the existing security issues are: triple Advanced Encryption Standard (3AES) algorithm and Audio Steganography mechanism to provide a multi layered data security. Experimental data from our software; based on the proposed improved secure model for cloud data storage were collected and presented in tables with existing experimental result data of Kirubakaramoorthi et al. (2015). These data were plotted in line graphs for observation and inference. It was observed that cryptography techniques combined with audio steganography of the proposed system reduce time of downloading and uploading files more than existing system, and ensure data integrity and confidentiality in cloud computing environment.


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