Two Quantum Proxy Blind Signature Schemes Based on Controlled Quantum Teleportation

TL;DR

This paper introduces two quantum proxy blind signature schemes utilizing controlled quantum teleportation, leveraging entangled states, quantum cryptography techniques, and quantum key distribution for secure message delegation and verification.

Contribution

The paper proposes novel quantum proxy blind signature schemes based on controlled quantum teleportation with specific entangled states and cryptographic methods.

Findings

Successful teleportation of unknown two-particle entangled states.

Implementation of delegation, signature, and verification using quantum mechanics.

Integration of quantum key distribution and one-time pad for enhanced security.

Abstract

We present a scheme for teleporting an unknown, two-particle entangled state with a message from a sender (Alice) to a receiver (Bob) via a six-particle entangled channel. We also present another scheme for teleporting an unknown one-particle entangled state with a message transmitted in a two-way form between the same sender and receiver via a five-qubit cluster state. One-way hash functions, Bell-state measurements, and unitary operations are adopted in these two schemes. Our schemes use the physical characteristics of quantum mechanics to implement delegation, signature, and verification processes. Moreover, a quantum key distribution protocol and a one-time pad are adopted in these schemes.