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As the demand for privacy-preserving computation continues to grow, fully homomorphic encryption (FHE)-which enables continuous computation on encrypted data-has become a critical solution. However, its adoption is hindered by significant…

硬件体系结构 · 计算机科学 2025-06-11 Sungwoong Yune , Hyojeong Lee , Adiwena Putra , Hyunjun Cho , Cuong Duong Manh , Jaeho Jeon , Joo-Young Kim

The nonrecursive Bernstein-Vazirani algorithm was the first quantum algorithm to show a superpolynomial improvement over the corresponding best classical algorithm. Here we define a class of circuits that solve a particular case of this…

量子物理 · 物理学 2023-04-03 Pablo Fernández , Miguel A. Martin-Delgado

Quantum communication protocols seek to leverage the unique properties of quantum systems for coordination or communication tasks, usually with guarantees of security or anonymity that exceed what is possible classically. One promising…

量子物理 · 物理学 2025-12-22 Francis Marcellino , Mingsong Wu , Rob Thew

Fully homomorphic encryption (FHE) enables private inference by evaluating neural networks on encrypted data. In this way, we can delegate the computation to a third party server without ever revealing the user's data. Currently, the CKKS…

密码学与安全 · 计算机科学 2026-05-25 Philipp Kern , Lorenzo Rovida , Samuel Teuber , Edoardo Manino , Carsten Sinz , Alberto Leporati

Modern democracies face an existential crisis of waning public trust in election results. While End-to-End Verifiable (E2E-V) voting systems promise mathematically secure elections, their reliance on complex cryptography creates a ``black…

密码学与安全 · 计算机科学 2026-03-24 Alon Gat

We construct a (compact) quantum fully homomorphic encryption (QFHE) scheme starting from (compact) classical fully homomorphic encryption scheme with decryption in $\mathsf{NC}^{1}$, together with a dual-mode trapdoor function family.…

量子物理 · 物理学 2024-06-06 Aparna Gupte , Vinod Vaikuntanathan

In the steady-state contingency analysis, the traditional Newton-Raphson method suffers from non-convergence issues when solving post-outage power flow problems, which hinders the integrity and accuracy of security assessment. In this…

分布式、并行与集群计算 · 计算机科学 2021-04-08 Rui Yao , Feng Qiu , Kai Sun

Homomorphic encryption is a cryptographic paradigm allowing to compute on encrypted data, opening a wide range of applications in privacy-preserving data manipulation, notably in AI. Many of those applications require significant linear…

密码学与安全 · 计算机科学 2026-04-28 Youngjin Bae , Jung Hee Cheon , Guillaume Hanrot , Jai Hyun Park , Damien Stehlé

Fully Homomorphic Encryption (FHE) is a set of powerful cryptographic schemes that allows computation to be performed directly on encrypted data with an unlimited depth. Despite FHE's promising in privacy-preserving computing, yet in most…

密码学与安全 · 计算机科学 2025-04-23 Yi Huang , Xinsheng Gong , Xiangyu Kong , Dibei Chen , Jianfeng Zhu , Wenping Zhu , Liangwei Li , Mingyu Gao , Shaojun Wei , Aoyang Zhang , Leibo Liu

Homomorphic encryption (HE) is a promising privacy-preserving technique for cross-silo federated learning (FL), where organizations perform collaborative model training on decentralized data. Despite the strong privacy guarantee, general HE…

密码学与安全 · 计算机科学 2021-09-30 Zhifeng Jiang , Wei Wang , Yang Liu

This paper aims to propose a novel machine learning (ML) approach incorporating Homomorphic Encryption (HE) to address privacy limitations in Unmanned Aerial Vehicles (UAV)-based face detection. Due to challenges related to distance,…

密码学与安全 · 计算机科学 2025-07-15 Nguyen Van Duc , Bui Duc Manh , Quang-Trung Luu , Dinh Thai Hoang , Van-Linh Nguyen , Diep N. Nguyen

With the rapid increase in cloud computing, concerns surrounding data privacy, security, and confidentiality also have been increased significantly. Not only cloud providers are susceptible to internal and external hacks, but also in some…

密码学与安全 · 计算机科学 2020-01-27 M. Sadegh Riazi , Kim Laine , Blake Pelton , Wei Dai

The number of measurements demanded by hybrid quantum-classical algorithms such as the variational quantum eigensolver (VQE) is prohibitively high for many problems of practical value. For such problems, realizing quantum advantage will…

量子物理 · 物理学 2021-03-24 Guoming Wang , Dax Enshan Koh , Peter D. Johnson , Yudong Cao

Homomorphic encryption (HE) allows computations to be directly carried out on ciphertexts and enables privacy-preserving cloud computing. The computations on the coefficients of the polynomials involved in HE are always followed by modular…

密码学与安全 · 计算机科学 2025-07-24 Sajjad Akherati , Jiaxuan Cai , Xinmiao Zhang

In today's data-driven world, recommendation systems personalize user experiences across industries but rely on sensitive data, raising privacy concerns. Fully homomorphic encryption (FHE) can secure these systems, but a significant…

密码学与安全 · 计算机科学 2025-09-04 Moontaha Nishat Chowdhury , André Bauer , Minxuan Zhou

Quantum Anonymous Veto (QAV) protocols enable secure and anonymous decision-making by allowing participants to detect the presence of a veto without revealing individual choices. While existing QAV schemes offer strong theoretical…

量子物理 · 物理学 2026-04-07 Ravi Sangwan , Harishankar Mishra , Henry Sukumar , Gudapati Naresh Raghava

Homomorphic encryption (HE) enables computations directly on encrypted data, offering strong cryptographic guarantees for secure and privacy-preserving data storage and query execution. However, despite its theoretical power, practical…

数据库 · 计算机科学 2026-03-02 Boram Jung , Yuliang Li , Hung-Wei Tseng

As quantum computing technology continues to advance, post-quantum cryptographic methods capable of resisting quantum attacks have emerged as a critical area of focus. Given the potential vulnerability of existing homomorphic encryption…

密码学与安全 · 计算机科学 2025-06-25 Abel C. H. Chen

At present, in the face of the huge and complex data in cloud computing, the parallel computing ability of quantum computing is particularly important. Quantum principal component analysis algorithm is used as a method of quantum state…

量子物理 · 物理学 2020-11-25 Changqing Gong , Zhaoyang Dong , Abdullah Gani , Han Qi

Within a modern democratic nation, elections play a significant role in the nation's functioning. However, with the existing infrastructure for conducting elections using Electronic Voting Systems (EVMs), many loopholes exist, which…

密码学与安全 · 计算机科学 2023-07-18 Arnab Mukherjee , Souvik Majumdar , Anup Kumar Kolya , Saborni Nandi