Electronic health record (EHR) systems provide the platform that enables digital documentation of patients health information. Practically, EHR systems aid in delivering quality medical healthcare and limiting medical errors. However, EHR systems are associated with known technical and security challenges such as interoperability, confidentiality, authentication, auditability, and access control. To overcome these challenges, we first propose a new heterogeneous signcryption with proxy re-encryption (HSC-PRE) scheme. Secondly, via an example design, we demonstrate how our scheme can be utilized to achieve a secure, interoperable, auditable and accessible EHR system using blockchain technology. The blockchain technology is required to assure interoperability and auditability while the HSC-PRE assures confidentiality, authentication and access control. Via comprehensive security analysis (in random oracle model (ROM)), we affirm that the HSC-PRE scheme is secure. Besides, it shows up efficient against other recent related schemes.KeywordsSigncryption • Blockchain • Proxy re-encryption • Electronic health records • SecurityIntroductionTraditionally, physicians use paper files and other color indexed charts to document the health records of patient. However, such an approach is tedious, complex and lacks structured security mechanisms for ensuring patients data privacy. On the contrary, the inception of EHR systems enhances EHR data keeping and contributes to limiting med-B Emmanuel Ahene

Emmanuel Ahene

Joojo Walker

Rose-mary Owusuaa Mensah Gyening

Gaddafi Abdul-Salaam

James Ben Hayfron-Acquah

Telecommunication Systems

TELECOMMUNICATION SYSTEMS 是一本涵盖电信系统建模、分析、设计和管理各个方面的期刊。该杂志发表高质量的文章，涉及使用分析和定量工具进行电信系统的建模、分析、设计和管理，涵盖：广域网和局域网的性能评估；网络互连；有线、无线、ADHOC、移动网络；新服务的影响（经济和组织影响）；光纤和光子交换；DSL、ADSL、有线电视及其影响；城域网中的设计和分析问题；网络协议；电信系统的动态和容量扩展；基于多媒体的系统，它们的设计配置和影响；分布式系统的配置；网络和电信服务的定价；局域网的性能分析；分布式群决策支持系统；配置具有可靠性和可用性的电信系统；电信系统的成本效益分析和经济影响；标准化和监管问题；电信系统中的安全、隐私和加密；基于蜂窝、移动和卫星的系统。

Telecommunication Systems is a journal that covers all aspects of modeling, analysis, design, and management of telecommunication systems. The journal publishes high-quality research articles that involve the modeling, analysis, design, and management of telecommunication systems using analytical and quantitative tools. Key topics include: performance evaluation of wide area networks (WANs) and local area networks (LANs); network interconnection; wired, wireless, ADHOC, and mobile networks; the economic and organizational impacts of new services; fiber and photonic switching technologies; the impacts of DSL, ADSL, and cable television; design and analysis issues in metropolitan area networks (MANs); network protocols; dynamics and capacity expansion of telecommunication systems; multimedia-based systems and their design configurations and impacts; configuration of distributed systems; pricing of network and telecommunication services; performance analysis of LANs; distributed group decision support systems; configuration of telecommunication systems with reliability and availability; cost-benefit analysis and economic impacts of telecommunication systems; standardization and regulatory issues; security, privacy, and encryption in telecommunication systems; and systems based on cellular, mobile, and satellite technologies.

《Telecommunication Systems》是一本涵盖电信系统建模、分析、设计和管理各个方面的期刊。该杂志发表高质量的研究文章，内容涉及电信系统的建模、分析、设计和管理，使用分析和定量工具。主要主题包括：广域网和局域网的性能评估；网络互连；有线、无线、ADHOC和移动网络；新服务的经济和组织影响；光纤和光子交换技术；DSL、ADSL和有线电视的影响；城域网的设计和分析问题；网络协议；电信系统的动态特性和容量扩展；基于多媒体的系统及其设计配置和影响；分布式系统的配置；网络和电信服务的定价；局域网的性能分析；分布式群体决策支持系统；具有可靠性和可用性的电信系统配置；电信系统的成本效益分析和经济影响；标准化和监管问题；电信系统中的安全、隐私和加密；基于蜂窝、移动和卫星的系统。

Category	Quartile
计算机科学	4
计算机科学, 电信学	4

Heterogeneous signcryption with proxy re-encryption and its application in EHR systems

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