A Hybrid Algorithm for Encrypting Electronic Health Record Using Blockchain in a Cloud Computing Environment
Keywords:
Electronic health records, Blockchain Cloud Computing, BlockSim blockchain simulator .Abstract
Emerging technologies, such as eHealth, are revolutionizing healthcare systems by providing high-quality services and improving health outcomes for a diverse range of patients. The core of eHealth is the safe and effective management of electronic health records (EHRs) using advanced information and communication technologies (ICTs).Traditional and cloud-based electronic health systems often lack adequate privacy protection and secure storage, posing critical issues in healthcare provision.The problem addressed in this paper is the security threats faced by EHRs stored in cloud systems, including data privacy, integrity, and confidentiality. The study aims to enhance EHR security and management in cloud systems by proposing a new encryption model and implementing an encryption model .This paper introduces SC2M-EHR-B, a secure cloud computing model for electronic health records (EHRs) using blockchain technology. The SC2M-EHR-B model combines blockchain to secure and share medical records, enhancing security, and provide a patient control over their medical data, more over the model make use of the cloud computing to store medical records.
This paper also proposed a hybrid algorithm consisting of two (AES and Blowfish) algorithms to encrypt the electronic health record using blockchain. The performance of the hybrid algorithm, measured using the BlockSim blockchain simulator, showed better results. The results showed better performance for the hybrid algorithm. Also, the results successfully demonstrates the effectiveness of the proposed model in and enhancing security , ensuring secure storage and sharing of medical records, at a lower communication cost .
The importance of this paper lies in providing high-quality medical services, increasing patient confidence and satisfaction, and improving patients' ability to monitor their medical records.
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