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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. We show how to construct polynomial schemes for the outer…

Information Theory · Computer Science 2024-05-13 Ryann Cartor , Rafael G. L. D'Oliveira , Salim El Rouayheb , Daniel Heinlein , David Karpuk , Alex Sprintson

We consider the problem of secure distributed matrix computation (SDMC), where a \textit{user} queries a function of data matrices generated at distributed \textit{source} nodes. We assume the availability of $N$ honest but curious…

Information Theory · Computer Science 2021-11-16 Nitish Mital , Cong Ling , Deniz Gunduz

We consider the problem of computing an aggregation function in a \emph{secure} and \emph{scalable} way. Whereas previous distributed solutions with similar security guarantees have a communication cost of $O(n^3)$, we present a distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-11-24 Sebastien Gambs , Rachid Guerraoui , Hamza Harkous , Florian Huc , Anne-Marie Kermarrec

The present paper introduces a practical protocol for provably secure, outsourced computation. Our protocol minimizes overhead for verification by requiring solutions to withstand an interactive game between a prover and challenger. For…

Computer Science and Game Theory · Computer Science 2016-06-21 Sanjay Jain , Prateek Saxena , Frank Stephan , Jason Teutsch

Bitcoin and Ethereum, whose miners arguably collectively comprise the most powerful computational resource in the history of mankind, offer no more power for processing and verifying transactions than a typical smart phone. The system…

Cryptography and Security · Computer Science 2019-08-14 Jason Teutsch , Christian Reitwießner

Many techniques for privacy-preserving data mining (PPDM) have been investigated over the past decade. Often, the entities involved in the data mining process are end-users or organizations with limited computing and storage resources. As a…

Cryptography and Security · Computer Science 2014-12-16 Bharath K. Samanthula , Fang-Yu Rao , Elisa Bertino , Xun Yi , Dongxi Liu

The emerging ad hoc clouds form a new cloud computing paradigm by leveraging untapped local computation and storage resources. An important application application over ad hoc clouds is outsourcing computationally intensive problems to…

Cryptography and Security · Computer Science 2016-08-30 Wenlong Shen , Bo Yin , Xianghui Cao , Yu Cheng

Data outsourcing is a growing business model offering services to individuals and enterprises for processing and storing a huge amount of data. It is not only economical but also promises higher availability, scalability, and more effective…

Cryptography and Security · Computer Science 2013-08-19 Muhammad Rizwan Asghar , Mihaela Ion , Giovanni Russello , Bruno Crispo

Data outsourcing allows data owners to keep their data at \emph{untrusted} clouds that do not ensure the privacy of data and/or computations. One useful framework for fault-tolerant data processing in a distributed fashion is MapReduce,…

Databases · Computer Science 2019-08-07 Shlomi Dolev , Peeyush Gupta , Yin Li , Sharad Mehrotra , Shantanu Sharma

Compressed sensing (CS), breaking the constriction of Shannon-Nyquist sampling theorem, is a very promising data acquisition technique in the era of multimedia big data. However, the high complexity of CS reconstruction algorithm is a big…

Cryptography and Security · Computer Science 2021-03-30 Ping Wang

With the emergence of cloud computing services, computationally weak devices (Clients) can delegate expensive tasks to more powerful entities (Servers). This raises the question of verifying a result at a lower cost than that of recomputing…

Cryptography and Security · Computer Science 2017-04-11 Jean-Guillaume Dumas , Vincent Zucca

The increasing deployment of sensor networks, ranging from home networks to industrial automation, leads to a similarly growing demand for storing and processing the collected sensor data. To satisfy this demand, the most promising approach…

Networking and Internet Architecture · Computer Science 2016-07-13 Martin Henze , René Hummen , Roman Matzutt , Klaus Wehrle

At design time, modern operating systems are locked in a specific safety and isolation strategy that mixes one or more hardware/software protection mechanisms (e.g. user/kernel separation); revisiting these choices after deployment requires…

The demand for processing vast volumes of data has surged dramatically due to the advancement of machine learning technology. Large-scale data processing necessitates substantial computational resources, prompting individuals and…

Cryptography and Security · Computer Science 2024-10-30 Xirong Ma , Chuan Li , Yuchang Hu , Yunting Tao , Yali Jiang , Yanbin Li , Fanyu Kong , Chunpeng Ge

Quantum key distribution (QKD) has been researched for almost four decades and is currently making its way to commercial applications. However, deployment of the technology at scale is challenging, because of the very particular nature of…

Quantum Physics · Physics 2023-02-08 Thomas Loruenser , Stephan Krenn , Christoph Pacher , Bernhard Schrenk

Spurred by developments such as cloud computing, there are increasing efforts for outsourcing of data management. A company (data owner) who lacks expertise and comptational resources can outsource his data to a third-party service provider…

Cryptography and Security · Computer Science 2019-01-08 Bo Zhang , Boxiang Dong , Hui Wang

Quantum secret sharing (QSS) allows a dealer to distribute a secret quantum state among a set of parties so that certain subsets can reconstruct the secret, while unauthorized subsets obtain no information. While QSS was introduced over…

Quantum Physics · Physics 2023-05-02 Alper Çakan , Vipul Goyal , Chen-Da Liu-Zhang , João Ribeiro

Outsourcing data and computation to cloud server provides a cost-effective way to support large scale data storage and query processing. However, due to security and privacy concerns, sensitive data (e.g., medical records) need to be…

Databases · Computer Science 2018-06-05 Jinfei Liu , Juncheng Yang , Li Xiong , Jian Pei

Cloud computing enables the outsourcing of big data analytics, where a third party server is responsible for data storage and processing. In this paper, we consider the outsourcing model that provides string similarity search as the…

Cryptography and Security · Computer Science 2016-04-04 Boxiang Dong , Hui Wang

The rapid development of mobile Internet and sharing economy brings the prosperity of Spatial Crowdsourcing (SC). SC applications assign various tasks according to reported location information of task's requesters and outsourced workers…

Cryptography and Security · Computer Science 2022-11-18 Shun Zhang , Tao Zhang , Zhili Chen , N. Xiong