English
Related papers

Related papers: $d$-MABE: Distributed Multilevel Attribute-Based E…

200 papers

Traditional data collection, storage and processing of Electronic Health Records (EHR) utilize centralized techniques that pose several risks of single point of failure and lean the systems to a number of internal and external data breaches…

Timely sharing of electronic health records (EHR) across providers is essential and significance in facilitating medical researches and prompt patients' care. With sharing, it is crucial that patients can control who can access their data…

Cryptography and Security · Computer Science 2022-03-25 Kheng-Leong Tan , Chi-Hung Chi , Kwok-Yan Lam

In a traditional cloud storage system, users benefit from the convenience it provides but also take the risk of certain security and privacy issues. To ensure confidentiality while maintaining data sharing capabilities, the…

Cryptography and Security · Computer Science 2023-09-11 Jingchi Zhang , Anwitaman Datta

In todays scenario, various organizations store their sensitive data in the cloud environment. Multiple problems are present while retrieving and storing vast amounts of data, such as the frequency of data requests (increasing the…

Cryptography and Security · Computer Science 2025-12-30 Partha Paul , Keshav Sinha

The digital transformation of the medical sector requires solutions that are convenient and efficient for all stakeholders while protecting patients' sensitive data. One example that has already attracted design-oriented research are…

Cryptography and Security · Computer Science 2023-01-05 Vincent Schlatt , Johannes Sedlmeir , Janina Traue , Fabiane Völter

With the widespread adoption of medical informatics, a wealth of valuable personal health records (PHR) has been generated. Concurrently, blockchain technology has enhanced the security of medical institutions. However, these institutions…

Cryptography and Security · Computer Science 2024-10-14 Yongyang Lv , Xiaohong Li , Yingwenbo Wang , Kui Chen , Zhe Hou , Ruitao Feng

Medical data involves a large amount of personal information and is highly privacy sensitive. In the age of big data, the increasing informatization of healthcare makes it vital that medical information is stored securely and accurately.…

Cryptography and Security · Computer Science 2022-07-14 Zhijie Sun , Dezhi Han , Dun Li , Xiangsheng Wang , Chin-Chen Chang , Zhongdai Wu

Data privacy refers to ensuring that users keep control over access to information, whereas data accessibility refers to ensuring that information access is unconstrained. Conflicts between privacy and accessibility of data are natural to…

The global Electronic Health Record (EHR) market is growing dramatically and has already hit $31.5 billion in 2018. To safeguard the security of EHR data and privacy of patients, fine-grained information access and sharing mechanisms are…

Cryptography and Security · Computer Science 2020-02-26 Hao Guo , Wanxin Li , Ehsan Meamari , Chien-Chung Shen , Mark Nejad

In modern healthcare systems, being able to share electronic health records is crucial for providing quality care and for enabling a larger spectrum of health services. Health data sharing is dependent on obtaining individual consent which,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-02 Vikas Jaiman , Visara Urovi

Integrating blockchain technology into healthcare systems presents a transformative approach to documenting, storing, and accessing electronic health records (EHRs). This research introduces a novel blockchain-based EHR system designed to…

Cryptography and Security · Computer Science 2025-03-04 Geeta N. Brijwani , Prafulla E Ajmire , Mohammad Atique Mohammad Junaid , Suhashini Awadhesh Charasia , Deepali Bhende

This paper presents a hybrid blockchain-edge architecture for managing Electronic Health Records (EHRs) with attribute-based cryptographic mechanisms. The architecture introduces a novel attribute-based signature aggregation (ABSA) scheme…

Cryptography and Security · Computer Science 2023-06-01 Hao Guo , Wanxin Li , Mark Nejad , Chien-Chung Shen

Electronic medical data sharing between stakeholders, such as patients, doctors, and researchers, can promote more effective medical treatment collaboratively. These sensitive and private data should only be accessed by authorized users.…

Software Engineering · Computer Science 2019-04-25 Chunmiao Li , Yang Cao , Zhenjiang Hu , Masatoshi Yoshikawa

Electronic Health Records (EHRs) store sensitive patient information, necessitating stringent access control and sharing mechanisms to uphold data security and comply with privacy regulations such as the General Data Protection Regulation…

Cryptography and Security · Computer Science 2026-02-25 Tayeb Kenaza , Islam Debicha , Youcef Fares , Mehdi Sehaki , Sami Messai

In recent years, availability and usage of extensive systems for Electronic Healthcare Record (EHR) is increased. In medical centers such hospitals and other laboratories, more health data sets were formed during the treatment process. In…

Computers and Society · Computer Science 2020-04-06 Faizal Khan , Omar Reyad

The emergence of the Internet of Things (IoT) has resulted in a significant increase in research on e-health. As the amount of patient data grows, it has become increasingly challenging to protect patients' privacy. Patient data is commonly…

Cryptography and Security · Computer Science 2023-04-04 Sajad Meisami , Sadaf Meisami , Melina Yousefi , Mohammad Reza Aref

Health data is a sensitive category of personal data. It might result in a high risk to individual and health information handling rights and opportunities unless there is a palatable defense. Reasonable security standards are needed to…

Cryptography and Security · Computer Science 2020-10-21 Ayan Chatterjee , Ali Shahaab , Martin W. Gerdes , Santiago Martinez , Pankaj Khatiwada

Decentralized data sovereignty and secure data exchange are regarded as foundational pillars of the new era. Attribute-based encryption (ABE) is a promising solution that enables fine-grained access control in data sharing. Recently,…

Cryptography and Security · Computer Science 2025-07-08 Dongliang Cai , Liang Zhang , Borui Chen , Haibin Kan

The rapid expansion of user medical records across global systems presents not only opportunities but also new challenges in maintaining effective application models that ensure user privacy, controllability, and the ability to…

Cryptography and Security · Computer Science 2024-06-06 Phong Tran , Thong Nguyen , Long Chu , Nhi Tran , Hang Ta

In recent years, many researchers have focused on developing a feasible solution for storing and exchanging medical images in the field of health care. Current practices are deployed on cloud-based centralized data centers, which increase…

Cryptography and Security · Computer Science 2021-01-01 Mohamed Yaseen Jabarulla , Heung-No Lee