Secure Quantum Passwords

TL;DR

This paper introduces a quantum authentication protocol that uses disposable quantum passwords to prevent impersonation and protect secret information, even if secret keys are stolen.

Contribution

It presents a novel quantum authentication method leveraging disposable passwords to enhance security against key theft and information leakage.

Findings

Protocol is robust against secret key theft

Prevents impersonation attacks with quantum passwords

Protects secret information of certification agents

Abstract

We propose a quantum authentication protocol that is robust against the theft of secret keys. In the protocol, disposable quantum passwords prevent impersonation attacks with stolen secret keys. The protocol also prevents the leakage of secret information of a certification agent.