$\textsf{Asterisk}$: Super-fast MPC with a Friend

ePrint Report: $\textsf{Asterisk}$: Super-fast MPC with a Friend

Banashri Karmakar, Nishat Koti, Arpita Patra, Sikhar Patranabis, Protik Paul, Divya Ravi

Secure multiparty computation (MPC) enables privacy-preserving collaborative computation over sensitive data held by multiple mutually distrusting parties. Unfortunately, in the most natural setting where a majority of the parties are maliciously corrupt (also called the $\textit{dishonest majority}$ setting), traditional MPC protocols incur high overheads and offer weaker security guarantees than are desirable for practical applications. In this paper, we explore …

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