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A data-sharing scheme that supports multi-keyword search for electronic medical records

Author

Listed:
  • Shufen Niu
  • Wenke Liu
  • Song Han
  • Lizhi Fang

Abstract

As cloud storage technology develops, data sharing of cloud-based electronic medical records (EMRs) has become a hot topic in the academia and healthcare sectors. To solve the problem of secure search and sharing of EMR in cloud platforms, an EMR data-sharing scheme supporting multi-keyword search is proposed. The proposed scheme combines searchable encryption and proxy re-encryption technologies to perform keyword search and achieve secure sharing of encrypted EMR. At the same time, the scheme uses a traceable pseudo identity to protect the patient’s private information. Our scheme is proven secure based on the modified Bilinear Diffie-Hellman assumption and Quotient Decisional Bilinear Diffie-Hellman assumption under the random oracle model. The performance of our scheme is evaluated through theoretical analysis and numerical simulation.

Suggested Citation

  • Shufen Niu & Wenke Liu & Song Han & Lizhi Fang, 2021. "A data-sharing scheme that supports multi-keyword search for electronic medical records," PLOS ONE, Public Library of Science, vol. 16(1), pages 1-16, January.
    • Handle: RePEc:plo:pone00:0244979
    DOI: 10.1371/journal.pone.0244979
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    References listed on IDEAS

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    1. Yanfeng Shi & Jiqiang Liu & Zhen Han & Qingji Zheng & Rui Zhang & Shuo Qiu, 2014. "Attribute-Based Proxy Re-Encryption with Keyword Search," PLOS ONE, Public Library of Science, vol. 9(12), pages 1-24, December.
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