Blockchain-based RBAC Model with Separation of Duties constraint in Cloud Environment
In recent years, cloud computing has been developing rapidly and is widely used in various fields such as commerce and scientific research. However, security issues, including access control, are a very important problem in popularizing cloud computing and this has influenced its wide application of...
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Zusammenfassung: | In recent years, cloud computing has been developing rapidly and is widely
used in various fields such as commerce and scientific research. However,
security issues, including access control, are a very important problem in
popularizing cloud computing and this has influenced its wide application of
cloud computing. As one of the solutions to these problems, we have proposed a
blockchain-based role-based access control model with the separation of duties
constraints in a cloud environment. In the model, we used Hyperledger Fabric as
a blockchain platform for storing the access control policies and provided
several functions for effective role management. In addition, we presented an
access control scheme for cloud storage data by combining the proposed model
and the verification mechanism for the user's ownership of a role and analyzed
the security properties of the scheme. Finally, we deployed Hyperledger Fabric
test network, implemented an online test system that performs access control
using the proposed scheme in the Ali cloud environment, and evaluated the model
performance in this scenario. |
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DOI: | 10.48550/arxiv.2203.00351 |