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Identity-Based Proxy Re-Encryption Scheme Using Fog Computing and Anonymous Key Generation.

Han-Yu Lin1, Tung-Tso Tsai1, Pei-Yih Ting1

  • 1Department of Computer Science and Engineering, National Taiwan Ocean University, Keelung 202, Taiwan.

Sensors (Basel, Switzerland)
|March 11, 2023
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Summary
This summary is machine-generated.

This study introduces a new identity-based proxy re-encryption scheme for fog computing. It enhances security and reduces computational complexity for remote healthcare data access.

Keywords:
anonymouscloudfog computingidentity basedproxy re-encryption

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Cloud Computing

Background:

  • Fog computing architecture utilizes fog nodes closer to clients for request processing and message forwarding.
  • In remote healthcare, patient sensor data is encrypted and sent to fog nodes, which act as re-encryption proxies for cloud data users.
  • Existing proxy re-encryption schemes for fog computing face security flaws or high computational costs.

Purpose of the Study:

  • To propose a novel identity-based proxy re-encryption scheme tailored for fog computing architectures.
  • To address the security vulnerabilities and computational inefficiencies of previous schemes.
  • To facilitate secure and efficient data access in applications like remote healthcare.

Main Methods:

  • Developed an identity-based proxy re-encryption scheme leveraging fog computing principles.
  • Utilized public channels for key distribution, eliminating key escrow issues.
  • Formally proved the scheme's security under the IND-PrID-CPA notion.

Main Results:

  • The proposed scheme offers enhanced security and avoids key escrow problems.
  • Demonstrated improved performance with lower computational complexity compared to existing methods.
  • Successfully secured the re-encryption process for sensitive data in the cloud.

Conclusions:

  • The presented identity-based proxy re-encryption scheme is a viable solution for secure data handling in fog computing environments.
  • The scheme provides a robust and efficient mechanism for remote healthcare and similar applications.
  • This work contributes to advancing secure and performant cloud-data access through fog infrastructure.