A New Distribution Version of Boneh-Goh-Nissim Cryptosystem: Security and performance analysis

07/16/2019 ∙ by Oualid Benamara, et al. ∙ 0

The aim of this paper is to provide two distributed versions of the Boneh-Goh-Nissim Cryptosystem (BGNC). We give a proof of the semantic security for the first one. This guaranties that our algorithm is semantically secure in the contest of active non-adaptive adversaries. Furthermore, we prove that the second version of our distributed scheme is computationally more efficient than the ElGamal destributed elliptic curve cryptosystem (EDECC) and secure under the Subgroup Decision problem (SDP) assumption.

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