Quantum secret sharing with qudit graph states

TL;DR

This paper introduces a unified framework for threshold quantum secret sharing using qudit graph states, enabling secure sharing of classical and quantum secrets across various communication channels.

Contribution

It develops a formalism for threshold quantum secret sharing with prime-dimensional qudit graph states, covering multiple secret sharing scenarios.

Findings

Unified formalism for qudit graph state secret sharing

Protocols for classical and quantum secret sharing

Applicable to classical and quantum channels

Abstract

We present a unified formalism for threshold quantum secret sharing using graph states of systems with prime dimension. We construct protocols for three varieties of secret sharing: with classical and quantum secrets shared between parties over both classical and quantum channels.