Security
SecurityPractical Covertly Secure MPC for Dishonest Majority – or: Breaking the SPDZ Limits
SPDZ (pronounced “Speedz”) is the nickname of the MPC protocol of Damgard et al. from Crypto 2012. SPDZ provided various efficiency innovations on both the theoretical and practical sides compared to previous work in the preprocessing model. In this paper, the authors resolve a number of open problems with SPDZ; and present several theoretical and ...