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Multi-recipient encryption is an important public key cryptosystem, which can be applied for a variety of purposes, such as broadcasting data. In order to design an secure multi-recipient public key encryption (MRPKE) in post-quantum era, in this paper, we construct a novel MRPKE scheme base on Garg-Gentry-Halevi (GGH) framework which is a graded algebras analogue of multilinear maps from ideal lattice...
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