An Efficient Autonomous Path Proxy Re-encryption Without Pairing for Cloud-Assisted mHealth

  • Linghui Chen
  • , Zhiguo Wan
  • , Jun Zhou*
  • , Carvajal Roca Ivan Edmar
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We propose the first construction of an efficient AP-PRE scheme without pairing for data confidentiality in the cloud-assisted Mobile Health (mHealth) system. In our scheme, the user can outsource his encrypted Personal Health Information (PHI) to the Cloud Service Provider (CSP) and share it with a list of doctors ordered in priority, where he has complete control over the transformation of the ciphertext. Based on the Modified Computational Diffie-Hellman (M-CDH) assumption, we prove the chosen-ciphertext security for our proposed scheme in the Random Oracle (RO) model. We demonstrate that our proposed AP-PRE scheme is highly efficient by comparing it with previous AP-PRE schemes based on bilinear pairing.

Original languageEnglish
Title of host publicationInformation Security and Cryptology - 19th International Conference, Inscrypt 2023, Revised Selected Papers
EditorsChunpeng Ge, Moti Yung
PublisherSpringer Science and Business Media Deutschland GmbH
Pages411-415
Number of pages5
ISBN (Print)9789819709441
DOIs
StatePublished - 2024
Event19th International Conference on Information Security and Cryptology, Inscrypt 2023 - Hangzhou, China
Duration: 9 Dec 202310 Dec 2023

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume14527 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference19th International Conference on Information Security and Cryptology, Inscrypt 2023
Country/TerritoryChina
CityHangzhou
Period9/12/2310/12/23

Keywords

  • Consensus network
  • Delegation path
  • Proxy re-encryption
  • mHealth

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