Fine-Grained Two-Factor Access Control for Web-Based Cloud Computing Services - 2016
In this paper, we tend to introduce a replacement fine-grained 2-factor authentication (2FA) access management system for web-primarily based cloud computing services. Specifically, in our proposed 2FA access control system, an attribute-based mostly access control mechanism is implemented with the need of each a user secret key and a lightweight security device. As a user cannot access the system if they are doing not hold both, the mechanism will enhance the security of the system, particularly in those scenarios where several users share the same laptop for web-primarily based cloud services. In addition, attribute-based mostly management in the system also allows the cloud server to restrict the access to those users with the identical set of attributes while preserving user privacy, i.e., the cloud server solely knows that the user fulfills the required predicate, however has no idea on the precise identity of the user. Finally, we conjointly perform a simulation to demonstrate the practicability of our proposed 2FA system.
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