Verifiable encodings in multigroup fully homomorphic encryption. (arXiv:2303.08432v1 [cs.CR])

This article presents the application of homomorphic authenticators,
replication encodings to be precise, to multigroup fully homomorphic encryption
schemes. Following the works of Gennaro and Wichs on homomorphic authenticators
in combination with the work of multigroup schemes by Kwak et al. we present a
verifiable solution for a fully homomorphic primitive that includes the
multikey, multiparty and single-user cases. Furthermore, we propose a line of
prospective research in constrained-resource scenarios.

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