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Specified keywords search scheme for EHR sharing.

Shufen Niu1, Fei Yu1, Mi Song1

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Summary
This summary is machine-generated.

This study introduces a secure method for sharing electronic health records (EHR) using searchable encryption and proxy re-encryption. It enables restricted keyword searches, enhancing patient privacy and preventing data misuse.

Keywords:
Conjunctive keywordsElectronic health recordSearchable encryptionSpecified keywords

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Area of Science:

  • Health Informatics
  • Cryptography
  • Data Security

Background:

  • Searchable encryption enables keyword searches on encrypted data but lacks restrictions.
  • Electronic Health Records (EHR) contain sensitive patient information requiring secure access controls.
  • Unrestricted EHR searching and sharing pose significant privacy risks and potential for data misuse.

Purpose of the Study:

  • To propose a secure scheme for Electronic Health Record (EHR) sharing.
  • To enable restricted keyword searches within encrypted EHR data.
  • To enhance privacy preservation during EHR sharing.

Main Methods:

  • Developed a specified keyword search scheme for EHR sharing.
  • Integrated searchable encryption with proxy re-encryption techniques.
  • Implemented secure EHR retrieval and sharing from a medical cloud.

Main Results:

  • The proposed scheme allows data users to search EHR using doctor-specified keywords.
  • Proxy re-encryption ensures secure EHR sharing and privacy preservation.
  • Security proofs confirm the scheme's resilience against chosen keyword attacks.
  • Experimental results validate the scheme's computational efficiency.

Conclusions:

  • The developed scheme effectively addresses the security and privacy challenges in EHR sharing.
  • It provides a practical solution for controlled access and sharing of sensitive health data.
  • The approach balances search functionality with robust data protection.