Author : Ahalya Mary J 1
Date of Publication :31st March 2018
Abstract: The main objective of this paper is to explain the sharing of data in cloud., we explain how data can be stored and shared in an efficient, secure and convenient way using a system which incorporates Key-Aggregated Cryptosystem to produce cipher texts of a constant size. By using a compact key, which is made by combining a set of secret keys, we can share our files with others or store in a very limited secure storage.
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