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A New Quantum Multiparty Simultaneous Identity Authentication Protocol with the Classical Third-Party.

Xiang Li1, Kejia Zhang1,2, Long Zhang1

  • 1School of Mathematical Science, Heilongjiang University, Harbin 150080, China.

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Summary
This summary is machine-generated.

This study introduces a new quantum multiparty simultaneous identity authentication protocol using Greenberger-Home-Zeilinger (GHZ) states. The protocol enhances security in quantum networks by preventing impersonation and other attacks.

Keywords:
GHZ stateidentity authenticationmultiparty authenticationquantum authentication

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Area of Science:

  • Quantum Information Science
  • Cybersecurity
  • Quantum Cryptography

Background:

  • Information security is crucial across various sectors, including finance and daily life.
  • Quantum identity authentication offers advanced security solutions for communication.
  • Existing protocols may have limitations in practical implementation and security robustness.

Purpose of the Study:

  • To propose a novel quantum multiparty simultaneous identity authentication protocol.
  • To leverage Greenberger-Home-Zeilinger (GHZ) states for enhanced security.
  • To enable secure two-way identity authentication with a classical third party.

Main Methods:

  • Utilized Greenberger-Home-Zeilinger (GHZ) states for quantum entanglement.
  • Designed a protocol involving a quantum authenticator, certified parties, and a classical third party.
  • Incorporated security analysis to evaluate resistance against various attacks.

Main Results:

  • The protocol facilitates simultaneous two-way identity authentication.
  • It effectively prevents illegal participants from obtaining legitimate identities.
  • Demonstrated resistance against impersonation, intercept-measure-resend, and entangle-measure attacks.

Conclusions:

  • The proposed protocol is practical due to reduced quantum burden and lower trustworthiness requirements.
  • It significantly enhances information security in quantum communication networks.
  • Represents a valuable contribution to the field of secure quantum identity authentication.