Abstract:SUMMARYAn encryption scheme is a tuple of algorithms used to ensure secrecy while exchanging messages over a public channel. Spatial encryption is a generalized extension of id-based encryption with the ability of partial order role delegation. In this paper, we propose an efficient spatial encryption with vector privacy preservation, which is derived from the technique of static assumption from dual system encryption in composite order groups. The proposed scheme achieves the cryptosystem properties of messag… Show more
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