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Title: Two-factor authentication for trusted third party free dispersed storage
Authors: Esiner, Ertem
Datta, Anwitaman
Keywords: Engineering::Computer science and engineering
Two-factor Access Control
Layered Security
Issue Date: 2018
Source: Esiner, E., & Datta, A. (2019). Two-factor authentication for trusted third party free dispersed storage. Future Generation Computer Systems, 90, 291-306. doi:10.1016/j.future.2018.08.001
Series/Report no.: Future Generation Computer Systems
Abstract: We propose a trusted third party free protocol for secure (in terms of content access, manipulation, and confidentiality) data storage and multi-user collaboration over an infrastructure of untrusted storage servers. It is achieved by the application of data dispersal, encryption as well as two-factor (knowledge and possession) based authentication and access control techniques so that unauthorized parties (attackers) or a small set of colluding servers cannot gain access to the stored data. The protocol design takes into account usability issues as opposed to the closest prior work Esiner and Datta (2016). We explore the security implications of the proposed model with event tree analysis and report on experiment results to demonstrate the practicality of the approach concerning computational overheads. Given that the protocol does not rely on any trusted third party, and most operations including actual collaboration do not require users to be online simultaneously, it is suitable not only for traditional multi-cloud setups but also for edge/fog computing environments.
ISSN: 0167-739X
DOI: 10.1016/j.future.2018.08.001
Rights: © 2018 Elsevier B.V. All rights reserved. This paper was published in Future Generation Computer Systems and is made available with permission of Elsevier B.V.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Journal Articles

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