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Numerous devices in smart grids are deployed at millions of buildings and streets, connected with wireless network and applied the uniform public protocols and standards. It indicates high-risk threats on the privacy and security of smart grids wireless communication. In this paper, two attack scenarios are presented to show the vulnerability of smart grids, and a new encryption method based on dynamic...
Attribute based encryption has captured the attention of crypto-researchers in recent years, which can be regarded as a special type of identity based encryption integrated with flexible access control policy. In this paper, we propose a new construction of key-policy attribute based encryption, which is proved to be secure in the Selective-Set model of security under the decisional BDH assumption...
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