Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency

Most of existing ORAM constructions have communication efficiency as the major optimization priority; the server storage efficiency, however, has not received much attention. Motivated by the observation that, the server storage efficiency is as important as communication efficiency when the storage...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Qiumao Ma [verfasserIn] Wensheng Zhang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	cloud storage data access pattern privacy oblivious ram

Übergeordnetes Werk:	In: EAI Endorsed Transactions on Security and Safety - European Alliance for Innovation (EAI), 2016, 6(2019), 20
Übergeordnetes Werk:	volume:6 ; year:2019 ; number:20

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.4108/eai.29-4-2019.162405

Katalog-ID:	DOAJ059809434

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author	Qiumao Ma
spellingShingle	Qiumao Ma misc cloud storage misc data access pattern privacy misc oblivious ram misc Technology misc T Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency
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topic_title	Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency cloud storage data access pattern privacy oblivious ram
topic	misc cloud storage misc data access pattern privacy misc oblivious ram misc Technology misc T
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title	Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency
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title_full	Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency
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title_sort	octopus oram: an oblivious ram with communication and server storage efficiency
title_auth	Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency
abstract	Most of existing ORAM constructions have communication efficiency as the major optimization priority; the server storage efficiency, however, has not received much attention. Motivated by the observation that, the server storage efficiency is as important as communication efficiency when the storage capacity is very large and/or the outsourced data are not frequently accessed, we propose in this paper a new ORAMconstruction called Octopus ORAM. Through extensive security analysis and performance comparison, wedemonstrate that, Octopus ORAM is secure; also, it significantly improves the server storage efficiency,achieves a comparable level of communication efficiency as state-of-the-art ORAM constructions, at the cost of increased client-side storage, and the increased client-side storage should be affordable to the clients who adopt local facilities such as cloud storage gateways.
abstractGer	Most of existing ORAM constructions have communication efficiency as the major optimization priority; the server storage efficiency, however, has not received much attention. Motivated by the observation that, the server storage efficiency is as important as communication efficiency when the storage capacity is very large and/or the outsourced data are not frequently accessed, we propose in this paper a new ORAMconstruction called Octopus ORAM. Through extensive security analysis and performance comparison, wedemonstrate that, Octopus ORAM is secure; also, it significantly improves the server storage efficiency,achieves a comparable level of communication efficiency as state-of-the-art ORAM constructions, at the cost of increased client-side storage, and the increased client-side storage should be affordable to the clients who adopt local facilities such as cloud storage gateways.
abstract_unstemmed	Most of existing ORAM constructions have communication efficiency as the major optimization priority; the server storage efficiency, however, has not received much attention. Motivated by the observation that, the server storage efficiency is as important as communication efficiency when the storage capacity is very large and/or the outsourced data are not frequently accessed, we propose in this paper a new ORAMconstruction called Octopus ORAM. Through extensive security analysis and performance comparison, wedemonstrate that, Octopus ORAM is secure; also, it significantly improves the server storage efficiency,achieves a comparable level of communication efficiency as state-of-the-art ORAM constructions, at the cost of increased client-side storage, and the increased client-side storage should be affordable to the clients who adopt local facilities such as cloud storage gateways.
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title_short	Octopus ORAM: An Oblivious RAM with Communication and Server Storage Efficiency
url	https://doi.org/10.4108/eai.29-4-2019.162405 https://doaj.org/article/94300784753541eaac5b6868097beb34 https://eudl.eu/pdf/10.4108/eai.29-4-2019.162405 https://doaj.org/toc/2032-9393
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up_date	2024-07-04T00:59:13.282Z
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