Collective advancements on access control scheme for multi-authority cloud storage system
by Balamurugan Balusamy; P. Venkata Krishna
International Journal of Grid and Utility Computing (IJGUC), Vol. 6, No. 3/4, 2015

Abstract: In this information age, the amount of data generated by an individual and organisation is increasing exponentially. Cloud computing has come as a rescue to store and compute the data efficiently at a low cost. On the other hand, according to cloud security alliance, the threats and vulnerabilities related to cloud computing are on the rise and they may reach an uncontrollable level if cloud security inhabits the same shape. Attribute-based encryption techniques are used in several critical applications for data access control. Our proposed work enhances the security of (DAC-MAC) during the user registration phase by the advent of digital signature over user credentials for avoiding man-in-the-middle attack and providing non-repudiation during user registration phase. Secondly, a verification scheme based on user-privilege list for file access request is included. Lastly, by logging the user behaviours in the separate database table, the authenticity of the access node can be verified, monitored and DDoS attack can be nullified. The framework could be used for IaaS application.

Online publication date: Sat, 18-Jul-2015

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