DISTRIBUTED RANDOMNESS GENERATION VIA MULTI-PARTY COMPUTATION

摘要

Described is a system for jointly generating a random value amongst a set of servers for secure data sharing. The set of servers initiates a randomness generation protocol where each server in the set of servers selects a randomly generated polynomial and broadcasts a cryptographic hash function of the randomly generated polynomial. Each server sends its value of the cryptographic hash function of the randomly generated polynomial to the set of servers. The randomness generation protocol is used in a multi-party computation protocol to ensure a set of data is securely shared electronically amongst the set of servers via a secure, authenticated broadcast channel.