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Efficient Information-Theoretic Secure Multiparty Computation over Z/pkZ via Galois Rings
MPC Galois Rings
2019/7/30
At CRYPTO 2018, Cramer et al. introduced a secret-sharing based protocol called SPDZ2kZ2k that allows for secure multiparty computation (MPC) in the dishonest majority setting over the ring of integer...
An Authentication Code over Galois Rings with Optimal Impersonation and Substitution Probabilities
Authentication codes optimality against impersonation substitution attacks
2015/12/29
A new systematic authentication scheme based on the Gray map
over Galois rings is introduced. The Gray map determines an isometry between
the Galois ring and a vector space over a Galois field. The ...