Abstract
Cloud computing is one of the emerging information technologies, where millions of users store and access the information. As huge amount of data is stored in cloud data centers, data needs to be protected in all the aspects. Number of research works are proposed to address the data security and privacy issues. Since, huge amounts of data and applications are stored in the cloud, reliable and cost-effective data protection solutions are required. This paper has proposed a technique to enhance the data protection using key derivation based encryption technique. The proposed mechanism provides confidentiality, authentication and modification for the data stored in cloud. To provide data protection, a mechanism is designed to derive three separate secret keys from a single master key and each key is used for specific operation. The experimental results show that, the proposed method uses lower computational costs, while deriving the secret keys. The scheme also enhances data security by increasing the size of the keys and restricts hackers in cracking the secret keys.
Published Version
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