Lightning-Fast and Privacy-Preserving Outsourced Computation in the Cloud
Ximeng Liu, Robert H. Deng, Pengfei Wu, Yang Yang

TL;DR
This paper introduces LightCom, a fast and privacy-preserving framework for outsourced computation in the cloud that enables secure data storage and processing on a single server with side-channel attack protections.
Contribution
The paper presents a novel framework for secure, fast outsourced computation on a single cloud server with side-channel attack resistance and access pattern protection.
Findings
Achieves secure integer and floating-point computation against side-channel attacks.
Ensures access pattern protection during data processing.
Demonstrates efficiency and utility through simulations.
Abstract
In this paper, we propose a framework for lightning-fast privacy-preserving outsourced computation framework in the cloud, which we refer to as LightCom. Using LightCom, a user can securely achieve the outsource data storage and fast secure data processing in a single cloud server different from the existing multi-server outsourced computation model. Specifically, we first present a general secure computation framework for LightCom under the cloud server equipped with multiple Trusted Processing Units (TPUs) which face the side-channel attack. Under the LightCom, we design two specified fast processing toolkits which allow the user to achieve the commonly-used secure integer computation and secure floating-point computation against the side-channel information leakage of TPUs, respectively. Furthermore, our LightCom can also guarantee access pattern protection during the data processing…
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Taxonomy
TopicsCryptography and Data Security · Diamond and Carbon-based Materials Research · Security and Verification in Computing
