Plaintext aware encryption in the standard model under the linear Diffie-Hellman knowledge assumption Online publication date: Mon, 18-May-2020
by Dongwei Gao; Hefeng Chen; Chin-Chen Chang
International Journal of Computational Science and Engineering (IJCSE), Vol. 22, No. 2/3, 2020
Abstract: In this paper, we consider the problem of constructing new plaintext aware encryption in the standard model. A new hybrid asymmetric encryption scheme is presented using a new key encapsulation method and a data encapsulation method. To prove the presented asymmetric encryption scheme is simulatable, we put forward some new sufficient conditions for judging a group to be simulatable. By introducing a new assumption called linear Diffie-Hellman knowledge assumption, we prove the proposed hybrid asymmetric encryption scheme is PA2.
Online publication date: Mon, 18-May-2020
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