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As one of the most important basic operations, matrix multiplication computation (MMC) has varieties of applications in the scientific and engineering community such as linear regression, k-nearest neighbor classification and biometric…

Cryptography and Security · Computer Science 2021-05-13 Chun Liu , Xuexian Hu , Xiaofeng Chen , Jianghong Wei , Wenfen Liu

Constrained devices in IoT networks often require to outsource resource-heavy computations or data processing tasks. Currently, most of those jobs are done in the centralised cloud. However, with rapidly increasing number of devices and…

Cryptography and Security · Computer Science 2018-07-18 Michał Król , Ioannis Psaras

Current trends in technology, such as cloud computing, allow outsourcing the storage, backup, and archiving of data. This provides efficiency and flexibility, but also poses new risks for data security. It in particular became crucial to…

Cryptography and Security · Computer Science 2017-08-08 Christian Weinert , Denise Demirel , Martín Vigil , Matthias Geihs , Johannes Buchmann

As deep learning blooms with growing demand for computation and data resources, outsourcing model training to a powerful cloud server becomes an attractive alternative to training at a low-power and cost-effective end device. Traditional…

Machine Learning · Computer Science 2022-10-25 Junyuan Hong , Lingjuan Lyu , Jiayu Zhou , Michael Spranger

Modular exponentiation is a common mathematical operation in modern cryptography. This, along with modular multiplication at the base and exponent levels (to different moduli) plays an important role in a large number of key agreement…

Symbolic Computation · Computer Science 2010-12-23 Deepak Kapur , Andrew Marshall , Paliath Narendran

With the rapid development of cloud computing, the privacy security incidents occur frequently, especially data security issues. Cloud users would like to upload their sensitive information to cloud service providers in encrypted form…

Cryptography and Security · Computer Science 2018-12-04 Qi Wang , Dehua Zhou , Yanling Li

Computation outsourcing is an integral part of cloud computing. It enables end-users to outsource their computational tasks to the cloud and utilize the shared cloud resources in a pay-per-use manner. However, once the tasks are outsourced,…

Cryptography and Security · Computer Science 2015-11-10 Kai Zhou , Jian Ren

The Discrete Logarithm Problem is well-known among cryptographers, for its computational hardness that grants security to some of the most commonly used cryptosystems these days. Still, many of these are limited to a small number of…

Cryptography and Security · Computer Science 2010-02-19 Martin Schaffer , Stefan Rass

Multi-scalar multiplication (MSM), MSM(vec{P},vec{x}) = sum_{i=1}^n x_i P_i, is a dominant computational kernel in discrete-logarithm-based cryptography and often becomes a bottleneck for verifiers and other resource-constrained clients. We…

Cryptography and Security · Computer Science 2026-04-10 Majid Khabbazian

This work considers the problem of privately outsourcing the computation of a matrix product over a finite field $\mathbb{F}_q$ to $N$ helper servers. These servers are considered to be honest but curious, i.e., they behave according to the…

Information Theory · Computer Science 2022-01-12 Jie Li , Okko Makkonen , Camilla Hollanti , Oliver Gnilke

A lot of research has been focused on secure outsourcing of biometric identification in the context of cloud computing. In such schemes, both the encrypted biometric database and the identification process are outsourced to the cloud. The…

Cryptography and Security · Computer Science 2018-09-13 Kai Zhou , Jian Ren

Matrix multiplication is one of the key operations in various engineering applications. Outsourcing large-scale matrix multiplication tasks to multiple distributed servers or cloud is desirable to speed up computation. However, security…

Information Theory · Computer Science 2018-06-04 Wei-Ting Chang , Ravi Tandon

Secure outsourced computation is critical for cloud computing to safeguard data confidentiality and ensure data usability. Recently, secure outsourced computation schemes following a twin-server architecture based on partially homomorphic…

Cryptography and Security · Computer Science 2023-09-28 Bowen Zhao , Weiquan Deng , Xiaoguo Li , Ximeng Liu , Qingqi Pei , Robert H. Deng

With the increasing number of mobile applications and the popularity of cloud computing, the combination of these two techniques that named mobile cloud computing (MCC) attracts great attention in recent years. A promising public key…

Cryptography and Security · Computer Science 2018-10-26 Jing Li , Zhitao Guan , Xiaojiang Du , Zijian Zhang , Jun Wu

The enforcement of security policies in outsourced environments is still an open challenge for policy-based systems. On the one hand, taking the appropriate security decision requires access to the policies. However, if such access is…

Cryptography and Security · Computer Science 2013-06-21 Muhammad Rizwan Asghar , Mihaela Ion , Giovanni Russello , Bruno Crispo

An edge computing marketplace could enable IoT devices (Outsourcers) to outsource computation to any participating node (Contractors) in their proximity. In return, these nodes receive a reward for providing computation resources. In this…

Cryptography and Security · Computer Science 2022-03-24 Christopher Harth-Kitzerow , Gonzalo Munilla Garrido

We consider the problem of secure distributed matrix multiplication in which a user wishes to compute the product of two matrices with the assistance of honest but curious servers. In this paper, we answer the following question: Is it…

Information Theory · Computer Science 2020-05-12 Rafael G. L. D'Oliveira , Salim El Rouayheb , Daniel Heinlein , David Karpuk

Despite exciting progress on cryptography, secure and efficient query processing over outsourced data remains an open challenge. We develop a communication-efficient and information-theoretically secure system, entitled Obscure for…

Databases · Computer Science 2020-04-29 Peeyush Gupta , Yin Li , Sharad Mehrotra , Nisha Panwar , Shantanu Sharma , Sumaya Almanee

This letter considers a multi-access mobile edge computing (MEC) network consisting of multiple users, multiple base stations, and a malicious eavesdropper. Specifically, the users adopt the partial offloading strategy by partitioning the…

Information Theory · Computer Science 2021-09-22 Mingxiong Zhao , Huiqi Bao , Li Yin , Jianping Yao , Tony Q. S. Quek

Computation offloading is indispensable for mobile edge computing (MEC). It uses edge resources to enable intensive computations and save energy for resource-constrained devices. Existing works generally impose strong assumptions on radio…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-26 Tianxi Ji , Changqing Luo , Lixing Yu , Qianlong Wang , Siheng Chen , Arun Thapa , Pan Li
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