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Related Experiment Video

Updated: Dec 19, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

995

A Quantum secure sharing protocol for Cloud data based on proxy re-encryption.

Yan Chang1, Shi-Bin Zhang2, Li-Li Yan2

  • 1School of Cybersecurity, Chengdu University of Information Technology, Chengdu, 610225, China. cyttkl@cuit.edu.cn.

Scientific Reports
|June 5, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a quantum scheme for secure cloud data sharing using proxy re-encryption. It enables secure data sharing without the proxy accessing plaintext, enhancing data privacy.

Related Experiment Videos

Last Updated: Dec 19, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

995

Area of Science:

  • Quantum Information Science
  • Cloud Computing Security
  • Cryptography

Background:

  • Cloud data sharing poses security challenges, risking data privacy.
  • Traditional proxy re-encryption methods may expose data to the proxy.
  • Quantum cryptography offers enhanced security paradigms.

Purpose of the Study:

  • To propose a novel quantum scheme for secure cloud data sharing.
  • To leverage quantum principles for enhanced data privacy during sharing.
  • To implement secure proxy re-encryption in a quantum context.

Main Methods:

  • Utilizing quantum proxy re-encryption for ciphertext conversion.
  • Implementing Bell state production and measurements for the delegator.
  • Employing Z-basis measurements and reflection for the delegatee.
  • Ensuring one-time pad security for shared data.

Main Results:

  • The proxy can convert ciphertexts without decrypting them, protecting data.
  • Delegator requires Bell state preparation and measurement capabilities.
  • Delegatee has reduced quantum requirements (reflection and Z-basis measurement).
  • Achieved fine-grained, flexible secret data sharing with robust security.

Conclusions:

  • The proposed quantum scheme provides a secure and efficient method for cloud data sharing.
  • It offers enhanced security against plaintext and ciphertext attacks.
  • This approach significantly improves data privacy in cloud environments.