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Related Experiment Video

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Revocable and Traceable Undeniable Attribute-Based Encryption in Cloud-Enabled E-Health Systems.

Zhongxiang He1, Yuling Chen1, Yun Luo1

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Summary
This summary is machine-generated.

This study introduces MA-RUABE, a new cloud encryption method for electronic healthcare data. It enhances security with faster attribute revocation, traceability, and multi-permission access, improving efficiency and preventing data breaches.

Keywords:
attribute-based encryptionclouddirect revocationelectronic healthcaremulti-authoritytraceable

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Area of Science:

  • Cloud Computing
  • Cybersecurity
  • Health Informatics

Background:

  • Cloud storage enhances electronic healthcare efficiency but raises security concerns.
  • Existing ciphertext policy attribute-based encryption (CP-ABE) schemes struggle with attribute revocation, computational efficiency, and key management.

Purpose of the Study:

  • To introduce a novel revocable and traceable undeniable ciphertext policy attribute-based encryption (MA-RUABE) scheme.
  • To address limitations in current CP-ABE schemes for secure electronic healthcare data in the cloud.

Main Methods:

  • Developed MA-RUABE with direct revocation and multi-permission mechanisms.
  • Implemented fast and accurate data traceability to prevent key leakage.
  • Conducted security analysis against chosen plaintext attacks.

Main Results:

  • MA-RUABE offers enhanced computational efficiency through direct revocation.
  • The multi-permission mechanism mitigates power centralization issues.
  • The system demonstrated resilience against chosen plaintext attacks.

Conclusions:

  • MA-RUABE improves computational overhead and system performance for cloud-based electronic healthcare.
  • The scheme ensures robust data-sharing security and addresses key management challenges.