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It is well known that, in theory, the general secure multi-party computation problem is solvable using circuit evaluation protocols. However, the communication complexity of the resulting protocols depend on the size of the circuit that…

Cryptography and Security · Computer Science 2007-05-30 Tony Thomas

Secure Multiparty Computation (MPC) can improve the security and privacy of data owners while allowing analysts to perform high quality analytics. Secure aggregation is a secure distributed mechanism to support federated deep learning…

Cryptography and Security · Computer Science 2022-05-04 Timothy Stevens , Joseph Near , Christian Skalka

The application of secure multiparty computation (MPC) in machine learning, especially privacy-preserving neural network training, has attracted tremendous attention from the research community in recent years. MPC enables several data…

Cryptography and Security · Computer Science 2021-02-11 Ziyao Liu , Ivan Tjuawinata , Chaoping Xing , Kwok-Yan Lam

This paper introduces quantum multiparty protocols which allow the use of temporary assumptions. We prove that secure quantum multiparty computations are possible if and only if classical multi party computations work. But these strict…

Quantum Physics · Physics 2007-05-23 J. Mueller-Quade , H. Imai

Smart grids feature a bidirectional flow of electricity and data, enhancing flexibility, efficiency, and reliability in increasingly volatile energy grids. However, data from smart meters can reveal sensitive private information.…

Cryptography and Security · Computer Science 2024-11-25 Jonas von der Heyden , Nils Schlüter , Philipp Binfet , Martin Asman , Markus Zdrallek , Tibor Jager , Moritz Schulze Darup

Legal and ethical restrictions on accessing relevant data inhibit data science research in critical domains such as health, finance, and education. Synthetic data generation algorithms with privacy guarantees are emerging as a paradigm to…

Cryptography and Security · Computer Science 2022-11-01 Mayana Pereira , Sikha Pentyala , Anderson Nascimento , Rafael T. de Sousa , Martine De Cock

The cryptographic task of secure multi-party (classical) computation has received a lot of attention in the last decades. Even in the extreme case where a computation is performed between $k$ mutually distrustful players, and security is…

Quantum Physics · Physics 2020-06-17 Yfke Dulek , Alex B. Grilo , Stacey Jeffery , Christian Majenz , Christian Schaffner

Growth in research collaboration has caused an increased need for sharing of data. However, when this data is private, there is also an increased need for maintaining security and privacy. Secure multi-party computation enables any function…

Cryptography and Security · Computer Science 2016-12-28 Justin DeBenedetto , Marina Blanton

Secure multiparty computation enables the joint evaluation of multivariate functions across distributed users while ensuring the privacy of their local inputs. This field has become increasingly urgent due to the exploding demand for…

Quantum Physics · Physics 2026-01-07 Kfir Sulimany , Sri Krishna Vadlamani , Ryan Hamerly , Prahlad Iyengar , Dirk Englund

A client wishes to outsource computation on confidential data to a network of parties. He does not trust a single party but believes that multiple parties do not collude. To solve this problem, we use the idea of treating one of the parties…

Cryptography and Security · Computer Science 2017-07-21 Johannes Schneider

Secure multi-party computation is an area in cryptography which studies how multiple parties can compare their private information without revealing it. Besides digital protocols, many unconventional protocols for secure multi-party…

Cryptography and Security · Computer Science 2026-03-18 Suthee Ruangwises

The emergence of cloud computing provides a new computing paradigm for users -- massive and complex computing tasks can be outsourced to cloud servers. However, the privacy issues also follow. Fully homomorphic encryption shows great…

Cryptography and Security · Computer Science 2021-04-01 Lizhi Xiong , Wenhao Zhou , Zhihua Xia , Qi Gu , Jian Weng

In the setting of secure multiparty computation (MPC), a set of mutually distrusting parties wish to jointly compute a function, while guaranteeing the privacy of their inputs and the correctness of the output. An MPC protocol is called…

Cryptography and Security · Computer Science 2021-05-07 Ran Cohen , Iftach Haitner , Eran Omri , Lior Rotem

A critically important component of most signal processing procedures is that of computing the distance between signals. In multi-party processing applications where these signals belong to different parties, this introduces privacy…

Cryptography and Security · Computer Science 2016-09-26 Abelino Jimenez , Bhiksha Raj

Secure Multi-Party Computation (MPC) is an area of cryptography that enables computation on sensitive data from multiple sources while maintaining privacy guarantees. However, theoretical MPC protocols often do not scale efficiently to…

Cryptography and Security · Computer Science 2019-01-03 Valerie Chen , Valerio Pastro , Mariana Raykova

We propose a secure computation solution for blockchain networks. The correctness of computation is verifiable even under malicious majority condition using information-theoretic Message Authentication Code (MAC), and the privacy is…

Cryptography and Security · Computer Science 2018-12-17 Derek Zhang , Alex Su , Felix Xu , Jiang Chen

In recent years, machine learning techniques are widely used in numerous applications, such as weather forecast, financial data analysis, spam filtering, and medical prediction. In the meantime, massive data generated from multiple sources…

Cryptography and Security · Computer Science 2018-10-08 Wei Du , Ang Li , Qinghua Li

In secure multiparty computation, mutually distrusting users in a network want to collaborate to compute functions of data which is distributed among the users. The users should not learn any additional information about the data of others…

Information Theory · Computer Science 2016-11-15 Deepesh Data , Bikash Kumar Dey , Manoj Mishra , Vinod M. Prabhakaran

The tremendous development of cloud computing and network technology makes it possible for multiple people with limited resources to complete a large-scale computing with the help of cloud servers. In order to protect the privacy of…

Quantum Physics · Physics 2018-12-18 Hao Cao , Wenping Ma , Ge Liu , Liangdong Lyu

The growing volumes of data being collected and its analysis to provide better services are creating worries about digital privacy. To address privacy concerns and give practical solutions, the literature has relied on secure multiparty…

Cryptography and Security · Computer Science 2022-06-27 Nishat Koti , Shravani Patil , Arpita Patra , Ajith Suresh