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Necessity of Key Aggregation Cryptosystem for Data Sharing in Cloud Computing
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Author(s): R. Deepthi Crestose Rebekah (Ravindra college of Engineering for Women, India), Dhanaraj Cheelu (Ravindra college of Engineering for Women, India)and M. Rajasekhara Babu (VIT University, India)
Copyright: 2017
Pages: 18
Source title:
Emerging Technologies and Applications for Cloud-Based Gaming
Source Author(s)/Editor(s): P. Venkata Krishna (VIT University, India)
DOI: 10.4018/978-1-5225-0546-4.ch010
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Abstract
Cloud computing is one of the most exciting technologies due to its ability to increase flexibility and scalability for computer processes, while reducing cost associated with computing. It is important to share the data securely, efficiently, and flexibly in cloud storage. Existing data protection mechanisms such as symmetric encryption techniques are unsuccessful in preventing data sharing securely. This article suggests Key aggregate cryptosystem which produce constant size ciphertexts in order to delegate decryption rights for any set of ciphertexts. The uniqueness is that one can aggregate any number of secret keys and make them as compact as a single key. This compact aggregate key can be easily sent to others with very limited secure storage.
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