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Multi-Party Quantum Summation Based on Quantum Teleportation.

Cai Zhang1,2, Mohsen Razavi2, Zhiwei Sun3,4

  • 1College of Mathematics and Informatics, South China Agricultural University, Guangzhou 510642, China.

Entropy (Basel, Switzerland)
|December 3, 2020
PubMed
Summary
This summary is machine-generated.

This secure quantum summation protocol uses quantum teleportation and a third party to compute sums. It prevents attacks and ensures data security without sharing encoded states.

Keywords:
Bell statesparticipant attacksquantum cryptographyquantum informationquantum summationquantum teleportation

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Area of Science:

  • Quantum Information Science
  • Cryptography
  • Secure Computation

Background:

  • Secure multi-party computation is essential for privacy-preserving data analysis.
  • Existing quantum summation protocols face challenges with security and efficiency.
  • Quantum teleportation offers a novel approach for secure information transfer.

Purpose of the Study:

  • To develop a secure multi-party quantum summation protocol.
  • To leverage quantum teleportation for enhanced security and efficiency.
  • To enable summation computation with a trusted third party while protecting user data.

Main Methods:

  • Utilized quantum teleportation for secure entanglement distribution.
  • Employed Bell state measurements by participants.
  • Designed a protocol where a third party computes the summation from measurement results.

Main Results:

  • The protocol is secure against Trojan horse attacks as states are not shared.
  • The protocol demonstrates resilience against loss errors due to single entanglement distribution.
  • Security is maintained against both internal (participant) and external adversaries.

Conclusions:

  • The proposed quantum summation protocol offers a secure and efficient solution for multi-party computation.
  • Quantum teleportation is a viable tool for building robust and secure quantum cryptographic protocols.
  • This work advances the field of secure quantum information processing.