scholarly journals Distributed Ledger Technology for eHealth Identity Privacy: State of The Art and Future Perspective

Sensors ◽  
2020 ◽  
Vol 20 (2) ◽  
pp. 483 ◽  
Author(s):  
Mohammed Amine Bouras ◽  
Qinghua Lu ◽  
Fan Zhang ◽  
Yueliang Wan ◽  
Tao Zhang ◽  
...  
Keyword(s):  
Identity Management ◽  
State Of The Art ◽  
Future Perspective ◽  
Management Scenarios ◽  
Future Health ◽  
Distributed Ledger ◽  
Distributed Ledger Technology ◽  
Identity Management Systems ◽  
Identity Privacy ◽  
Management Approaches

Electronic healthcare (eHealth) identity management (IdM) is a pivotal feature in the eHealth system. Distributed ledger technology (DLT) is an emerging technology that can achieve agreements of transactional data states in a decentralized way. Building identity management systems using Blockchain can enable patients to fully control their own identity and provide increased confidence in data immutability and availability. This paper presents the state of the art of decentralized identity management using Blockchain and highlights the possible opportunities for adopting the decentralized identity management approaches for future health identity systems. First, we summarize eHealth identity management scenarios. Furthermore, we investigate the existing decentralized identity management solutions and present decentralized identity models. In addition, we discuss the current decentralized identity projects and identify new challenges based on the existing solutions and the limitations when applying it to healthcare as a particular use case.

Privacy- Enhanced Identity Management for E-Services

2007 ◽  
pp. 162-179 ◽  
Author(s):  
Claudio Agostino Ardagna ◽  
Marco Cremonini ◽  
Ernesto Damiani ◽  
Sabrina De Capitani di Vimercati ◽  
Fulvio Frati ◽  
...  
Keyword(s):  
Public Administration ◽  
Identity Management ◽  
State Of The Art ◽  
Information Privacy ◽  
Public Key Infrastructure ◽  
Public Key ◽  
Management Systems ◽  
Sensitive Information ◽  
Identity Management Systems ◽  
Modern Identity

This chapter introduces the concept of privacy-enhanced identity management for e-services supporting the users needs to protect their privacy and sensitive information. Business activities are increasingly based on the use of remote resources and e-services as well as on the interaction between different, remotely-located, parties. In this context, the electronic execution of private and/or sensitive transactions must fully preserve information privacy by managing in a trustworthy and responsible way all identity and profile information that is released to remote parties. In this chapter, we investigate the main problems concerning identity management for e-services and outline the features that the next-generation of identity management systems should provide for. State-of-the-art technology in the field of privacy-enhanced identity management systems is also compared with traditional Public Key Infrastructure (PKI) solutions. The analysis of the benefits of these modern identity management systems is presented and discussed with references also to the results of some experiences in the area of e-government, whose objective is the development of public administration privacy-aware e-services.

scholarly journals Blockchain and Citizenship: Uneasy Bedfellows

2020 ◽  
Author(s):  
Oskar Josef Gstrein ◽  
Dimitry Vladimirovich Kochenov
Keyword(s):  
Legal Status ◽  
Identity Management ◽  
Credit Scoring ◽  
Lessons Learned ◽  
Social Credit ◽  
Distributed Ledger ◽  
Distributed Ledger Technology ◽  
Traditional Patterns ◽  
Technology Focus ◽  
Political Realities

Distributed Ledger Technology can be an effective tool for resource distribution. As individuals and organisations explore innovations which allow to redefine the rules of access, possession and sharing these developments also become important for the future of self-determination. Demonstrated through credit scoring and ‘social credit systems’, the identity of an individual is intertwined with resource access, possession and transferability. A key pre-requisite for participation is formal legal status, which translates to citizenship. However, many proponents of Distributed Ledger Technology focus predominantly on technological features and capabilities, which might enable the implementation of concepts such as decentralised governance, ‘self-sovereign identity’ management, and trust-less transactions based on ‘zero-knowledge proof’. Nevertheless, such narrow consideration overlooks existing legal and political realities. Considering the lessons learned from citizenship, it becomes questionable whether Blockchain as player in the area of identity management will ultimately increase human dignity, or further manifest traditional patterns of discrimination and inequality.

scholarly journals A Privacy-Preserving Healthcare Framework Using Hyperledger Fabric

Sensors ◽  
2020 ◽  
Vol 20 (22) ◽  
pp. 6587
Author(s):  
Charalampos Stamatellis ◽  
Pavlos Papadopoulos ◽  
Nikolaos Pitropakis ◽  
Sokratis Katsikas ◽  
William J. Buchanan
Keyword(s):  
Privacy Preserving ◽  
Management Systems ◽  
Proof Of Concept ◽  
Current Management ◽  
Experimental Performance ◽  
Security Attack ◽  
Distributed Ledger ◽  
Distributed Ledger Technology ◽  
Storage Solutions ◽  
Management Approaches

Electronic health record (EHR) management systems require the adoption of effective technologies when health information is being exchanged. Current management approaches often face risks that may expose medical record storage solutions to common security attack vectors. However, healthcare-oriented blockchain solutions can provide a decentralized, anonymous and secure EHR handling approach. This paper presents PREHEALTH, a privacy-preserving EHR management solution that uses distributed ledger technology and an Identity Mixer (Idemix). The paper describes a proof-of-concept implementation that uses the Hyperledger Fabric’s permissioned blockchain framework. The proposed solution is able to store patient records effectively whilst providing anonymity and unlinkability. Experimental performance evaluation results demonstrate the scheme’s efficiency and feasibility for real-world scale deployment.

Technical Interoperability to Solve Cross-Domain Issues Among Federation Systems

2020 ◽  
Vol 7 (1) ◽  
pp. 21-40
Author(s):  
Hasnae L'Amrani ◽  
Younès El Bouzekri El Idrissi ◽  
Rachida Ajhoun
Keyword(s):  
Identity Management ◽  
Management Systems ◽  
Digital Identity ◽  
Identity Information ◽  
Cross Domain ◽  
Security Challenges ◽  
Identity Management Systems ◽  
Federated Identity Management ◽  
Management Approaches ◽  
Federated Identity

Digital identity management with the metamorphosis of web services enforces new security challenges. A set of identity management systems exists to deal with these identities, alongside the goal of improving user experience and gain secure access. Nowadays, one faces a large number of heterogeneous identity management approaches. This study treated several identity management systems. The federated system makes proof of it eligibility for the identity management. Thus, the researcher interest is on the federated model. Since it consists of the distribution of digital identity between different security domains. The base of security domains is a trust agreement between the entities in communication. Federated identity management faces the problem of interoperability between heterogeneous federated systems. This study is an approach of a technical interoperability between the federations. The authors propose an approach that will permit inter-operation and exchange identity information among heterogeneous federations.

scholarly journals Blockchain Evaluation Approaches: State-of-the-Art and Future Perspective

Sensors ◽  
2020 ◽  
Vol 20 (12) ◽  
pp. 3358 ◽  
Author(s):  
Sergey Smetanin ◽  
Aleksandr Ometov ◽  
Mikhail Komarov ◽  
Pavel Masek ◽  
Yevgeni Koucheryavy
Keyword(s):  
Future Perspective ◽  
Modeling And Analysis ◽  
Behavior Observation ◽  
Distributed Ledger ◽  
Distributed Ledger Technology ◽  
Efficient Performance ◽  
And Behavior ◽  
Evaluation Approaches ◽  
The Internet Of Things ◽  
Critical Literature

The present increase of attention toward blockchain-based systems is currently reaching a tipping point with the corporate focus shifting from exploring the technology potential to creating Distributed Ledger Technology (DLT)-based systems. In light of a significant number of already existing blockchain applications driven by the Internet of Things (IoT) evolution, the developers are still facing a lack of tools and instruments for appropriate and efficient performance evaluation and behavior observation of different blockchain architectures. This paper aims at providing a systematic review of current blockchain evaluation approaches and at identifying the corresponding utilization challenges and limitations. First, we outline the main metrics related to the blockchain evaluation. Second, we propose the blockchain modeling and analysis classification based on the critical literature review. Third, we extend the review with publicly accessible industrial tools. Next, we analyze the selected results for each of the proposed classes and outline the corresponding limitations. Finally, we identify current challenges of the blockchain analysis from the system evaluation perspective, as well as provide future perspectives.

scholarly journals Using Kerberos protocol for Single Sign-On in Identity Management Systems

2013 ◽  
Vol 5 (1) ◽  
Author(s):  
Ivan Milenković ◽  
Olja Latinović ◽  
Dejan Simić
Keyword(s):  
Identity Management ◽  
State Of The Art ◽  
Management Systems ◽  
Single Sign On ◽  
Government Institutions ◽  
Management Architecture ◽  
Different Types ◽  
Identity Management Systems ◽  
Large Enterprises

Abstract: Today, identity management systems are widely used in different types of organizations, from academic and government institutions to large enterprises. An important feature of identity management systems is the Single Sign-On functionality. Single Sign-On allows users to authenticate once, and freely use all services and resources available to them afterwards. In this paper, we present the usage of Kerberos in identity management systems. An overview of Kerberos protocol, state of the art of identity management systems and different generic architectures for identity management is given in the paper. Also, we present a Single Sign-On identity management architecture proposal based on Kerberos protocol, and discuss its properties. Special attention was given to authentication, authorization and auditing.

scholarly journals Decentralized Identity Systems: Architecture, Challenges, Solutions and Future Directions

2020 ◽  
Vol 4 (5) ◽  
pp. 19-40
Author(s):  
Omar Dib ◽  
Khalifa Toumi
Keyword(s):  
Identity Management ◽  
State Of The Art ◽  
Management Systems ◽  
The Novel ◽  
Future Directions ◽  
Systems Architecture ◽  
Digital Era ◽  
Identity Management Systems ◽  
Complete Study ◽  
Digital Identities

Due to the exponential rise of the Internet in the last two decades, the digital presence has seen an enormous increase. Today, billions of people, devices and objects are digitally connected making the interactions much easier than before. To securely establish this connectivity in the digital era, proving digital identities has become crucial. Due to this, a growing number of organizations are building solutions that establish, verify and manage digital identities. Yet, a solution whereby digital identities and their associated data are efficiently managed is still far from being achieved. To fully understand the reason behind this lack, this paper provides a detailed state of the art related to identity management systems. It overviews traditional systems, analyses their strengths and limitations. This work highly focuses on the novel decentralized identity systems based on blockchain; a complete study describing their architecture, components, lifecycle and workflow is detailed. Additionally, solutions enabling decentralized identity are discussed, analysed and compared according to the ten principles of self-sovereign identity. Lastly, the challenges hindering the shift toward the fully decentralized identity paradigm are discussed.

scholarly journals Distributed ledger technology: State-of-the-art and current challenges

2021 ◽  
pp. 37-37
Author(s):  
Maria Gorbunova ◽  
Pavel Masek ◽  
Mikhail Komarov ◽  
Aleksandr Ometov
Keyword(s):  
Internet Of Things ◽  
State Of The Art ◽  
The Internet ◽  
Task Load ◽  
Heterogeneous Architectures ◽  
Distributed Ledger ◽  
Distributed Ledger Technology ◽  
Integration Of Technology ◽  
The Internet Of Things ◽  
And Task

Distributed Ledger Technology (DLT) is making the first steps toward becoming a solution for the growing number of various decentralized systems worldwide. Unlike pure Blockchain, DLT finds many uses across different industries, including eHealth, finance, supply chain monitoring, and the Internet of Things (IoT). One of the vital DLT features is the ability to provide an immutable and commonly verifiable ledger for larger-scale and highly complex systems. Today?s centralized systems can no longer guarantee the required level of availability and reliability due to the growing number of the involved nodes, complicated heterogeneous architectures, and task load, while the publicly available distributed systems are still in their infancy. This paper aims to provide an exhaustive topical review of the state-of-theart of Distributed Ledger Technology applicability in various sectors. It outlines the importance of the practical integration of technology-related challenges, as well as potential solutions.

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