Abstract

The aim of the research is cloud security and privacy in order to attain efficient secure storage and secure computation in cloud computing. We suggest a signing method for secure storage and computation process in this study. The proposed hybrid blow fish algorithm is to develop the secure storage of file. Here blowfish algorithm is hybrid with improved particle swarm optimization technique for the intention of secure storage and computation. Blow fish algorithm is applied for encryption and decryption process of our proposed method. In this method inserting a renew key to the file, as if the policy time of the file is over it will routinely erase the file from the cloud server. So that the implemented method employed one renew key for the renewal process of file. Based on this, the executed method is accomplishing high security level. Our method will be implemented in Cloud simulator in the working platform of Java.

Keywords:

Blow fish algorithm, computation, encryption and decryption, optimization, particle swarm optimization , policy renewal,

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Competing interests

The authors have no competing interests.

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