An extended access control model for permissioned blockchain frameworks

Khan, Muhammad Yasar; Zuhairi, Megat F.; Syed, Toqeer Ali; Alghamdi, Turki G.; Marmolejo-Saucedo, José Antonio

doi:10.1007/s11276-019-01968-x

Cited by 25 publications

(15 citation statements)

References 10 publications

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“…By default, Fabric uses Role-based Access Control. Khan et al [22] propose an alternative way of managing access control for private blockchain frameworks using Distributed Usage Control (DUC). Besides determining if access to a certain object on the ledger can be granted, using DUC would make it possible to track the usage of accessing these objects stored on the ledger.…”

Section: Related Workmentioning

confidence: 99%

Hyperledger Fabric: Evaluating Endorsement Policy Strategies in Supply Chains

Soelman

Andrikopoulos

Pérez

et al. 2020

2020 IEEE International Conference on Decentralized Applications and Infrastructures (DAPPS)

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Hyperledger Fabric is a permissioned blockchain solution, in which network participation is controlled by predefined rules. This makes it an attractive platform for enterprise settings. In Fabric, endorsement policies are used to specify the peers that must confirm a transaction before it can be considered as valid and appended to the ledger. This work examines various implications of Fabric's endorsement policy component, for which different endorsement policy strategies (and subsequent tradeoffs) are evaluated by modeling two real-world supply chain case studies. This work discusses how vulnerable endorsement policies can lead to admitting inauthentic data on the ledger. To address this issue, several approaches are proposed to balance integrity with limited disclosure of confidential information, with or without hosting a network peer directly. Furthermore, the concept of multi-tenancy in blockchain networks is introduced as a way of reducing the technological barrier in technology adoption.

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Section: Related Workmentioning

confidence: 99%

Hyperledger Fabric: Evaluating Endorsement Policy Strategies in Supply Chains

Soelman

Andrikopoulos

Pérez

et al. 2020

2020 IEEE International Conference on Decentralized Applications and Infrastructures (DAPPS)

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“…The ledger data can be stored in multiple formats and consensus mechanisms can be switched in and out. Fabric provides a secure and transparent Byzantine-fault tolerant (BFT) consensus algorithms for ensuring secure and reliable communication amongst the group of untrusted stakeholders [77].…”

Section: Hyperledger Fabric Blockchainmentioning

confidence: 99%

Next-generation Blockchain-Enabled Virtualized Cloud Security Solutions: Review and Open Challenges

Uddin¹,

Khalique²,

Jumani³

2020

Preprint

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This paper reviews, discusses, and highlights some of the standard cloud computing vulnerabilities primarily related to virtualization platforms and their implementations while outsourcing services and resources to different end-users and business enterprises. Furthermore, we provide Blockchain-enabled solutions for virtualized cloud computing platform involving both the end-users as well as cloud service providers (CSP) to address and solve different security and privacy-related vulnerabilities using blockchain-enabled solutions to improve their cloud services and resource provisioning facilities.

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“…An option we have is to use the TRADERS contract to check every transaction, but this kind of controlled access is a property of a permissioned blockchain, like Hyperledger Fabric [24]. We decided that this issue lies outside of the scope of our proof of concept implementation and approaches like [25] can be used to resolve this issue in practice.…”

Section: Implementation and Evaluation A Implementationmentioning

confidence: 99%