A secret sharing scheme is one of cryptographies. A threshold scheme, which is introduced by Shamir in 1979, is very famous as a secret sharing scheme. We can consider that this scheme is based on Lagrange's interpolation formula. A secret sharing scheme has one key. On the other hand, a multi-secret sharing scheme has more than one keys; that is, a multi-secret sharing scheme has () 2 p ≥ keys. Dealers distribute shares of keys among n participants. Gathering () t n ≤ participants, keys can be reconstructed. In this paper, we give a scheme of a () , t n multi-secret sharing based on Hermite interpolation, in the case of p t ≤ .
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