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Paper Details

An Aggregate Key Based Cryptosystem for Secure Data Sharing in Cloud Computing?

R. Vanitha, V. Elavarasi?

Journal Title:International Journal of Computer Science and Mobile Computing - IJCSMC
Abstract


Cloud computing provides the flexible architecture to share the applications as well as the other network resources. Cloud storage enables networked online storage when data is stored on multiple virtual servers generally hosted by third parties, rather than being hosted on dedicated servers. Key management and key sharing plays the main role in the data sharing concept of cloud computing. Traditional key cryptosystem lack the enhanced security techniques as the keys are generated by the exciting random key generation. Existing system said to have aggregate key cryptosystem in which key generated by means of various derivations of cipher text class properties of data and its associated keys. The aggregate was generated at only once, if we lost the key means it is difficult to access the data. So we introduce a SSH (Secure Shell) key, Digital signature, key escrow and encapsulation algorithm for secure authentication in cloud. This key is used to authenticate the remote computer and allow it to authenticate the user.

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