中文
相关论文

相关论文: A Characterization of Optimal-Rate Linear Homomorp…

200 篇论文

A Homomorphic Secret Sharing (HSS) scheme is a secret-sharing scheme that shares a secret $x$ among $s$ servers, and additionally allows an output client to reconstruct some function $f(x)$ using information that can be locally computed by…

信息论 · 计算机科学 2024-08-02 Keller Blackwell , Mary Wootters

A homomorphic secret sharing (HSS) scheme is a secret sharing scheme that supports evaluating functions on shared secrets by means of a local mapping from input shares to output shares. We initiate the study of the download rate of HSS,…

信息论 · 计算机科学 2022-05-31 Ingerid Fosli , Yuval Ishai , Victor I. Kolobov , Mary Wootters

Homomorphic secret sharing (HSS) allows multiple input clients to secret-share their data among multiple servers such that each server is able to locally compute a function on its shares to obtain a partial result and all partial results…

密码学与安全 · 计算机科学 2021-04-27 Xin Chen , Liang Feng Zhang

Disjunctive Hierarchical Secret Sharing (DHSS) scheme is a secret sharing scheme in which the set of all participants is partitioned into disjoint subsets. Each disjoint subset is said to be a level, and different levels have different…

信息论 · 计算机科学 2026-03-19 Jian Ding , Cheng Wang , Haifeng Yu , Hongju Li , Cheng Shu

Homomorphic secret sharing (HSS) allows multiple input clients to secretly share their private inputs to a function among several servers such that each server can homomorphically compute the function over its share to produce a share of…

密码学与安全 · 计算机科学 2025-12-02 Shuai Feng , Liang Feng Zhang

Conjunctive Hierarchical Secret Sharing (CHSS) is a type of secret sharing that divides participants into multiple distinct hierarchical levels, with each level having a specific threshold. An authorized subset must simultaneously meet the…

密码学与安全 · 计算机科学 2026-03-24 Jian Ding , Cheng Wang , Hongju Li , Cheng Shu , Haifeng Yu

Hashing methods have been widely used for efficient similarity retrieval on large scale image database. Traditional hashing methods learn hash functions to generate binary codes from hand-crafted features, which achieve limited accuracy…

计算机视觉与模式识别 · 计算机科学 2017-11-08 Jian Zhang , Yuxin Peng

Disjunctive Hierarchical Secret Sharing (DHSS)} scheme is a type of secret sharing scheme in which the set of all participants is partitioned into disjoint subsets, and each subset is said to be a level with different degrees of trust and…

密码学与安全 · 计算机科学 2026-03-18 Hongju Li , Jian Ding , Fuyou Miao , Cheng Wang , Cheng Shu

In Shamir's secret sharing scheme, all participants possess equal privileges. However, in many practical scenarios, it is often necessary to assign different levels of authority to different participants. To address this requirement,…

密码学与安全 · 计算机科学 2026-04-14 Jian Ding , Cheng Wang , Hongju Li , Cheng Shu , Haifeng Yu

Heterogeneous Distributed Storage Systems (DSSs) are close to the real world applications for data storage. Each node of the considered DSS, may store different number of packets and each having different repair bandwidth with uniform…

信息论 · 计算机科学 2016-07-22 Krishna Gopal Benerjee , Manish K. Gupta

Logistic Regression (LR) is the most widely used machine learning model in industry for its efficiency, robustness, and interpretability. Due to the problem of data isolation and the requirement of high model performance, many applications…

密码学与安全 · 计算机科学 2021-06-01 Chaochao Chen , Jun Zhou , Li Wang , Xibin Wu , Wenjing Fang , Jin Tan , Lei Wang , Alex X. Liu , Hao Wang , Cheng Hong

In this paper, we propose an algorithm that can be used on top of a wide variety of self-supervised (SSL) approaches to take advantage of hierarchical structures that emerge during training. SSL approaches typically work through some…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Kiran Kokilepersaud , Seulgi Kim , Mohit Prabhushankar , Ghassan AlRegib

Shamir's celebrated secret sharing scheme provides an efficient method for encoding a secret of arbitrary length $\ell$ among any $N \leq 2^\ell$ players such that for a threshold parameter $t$, (i) the knowledge of any $t$ shares does not…

密码学与安全 · 计算机科学 2018-12-14 Fuchun Lin , Mahdi Cheraghchi , Venkatesan Guruswami , Reihaneh Safavi-Naini , Huaxiong Wang

Caching is a commonly used technique in content-delivery networks which aims to deliver information from hosting servers to users in the most efficient way. In 2014, Maddah-Ali and Niessen formulated caching into a formal information…

信息论 · 计算机科学 2020-02-27 Tai Do Duc , Shuo Shao , Chaoping Xing

Homomorphic secret sharing (HSS) enables two servers to locally perform functions on encrypted data directly and obtain the results in the form of shares. A Paillier-based HSS solution seamlessly achieves multiplicative homomorphism and…

密码学与安全 · 计算机科学 2024-10-10 Weiquan Deng , Bowen Zhao , Yang Xiao , Yantao Zhong , Qingqi Pei , Ximeng Liu

Group oriented applications are getting more and more popular in mobile Internet and call for secure and efficient secret sharing (SS) scheme to meet their requirements. A $(t,n)$ threshold SS scheme divides a secret into $n$ shares such…

密码学与安全 · 计算机科学 2021-04-13 Fuyou Miao , Yue Yu , Keju Meng , Wenchao Huang , Yan Xiong

A heterogenous network with base stations (BSs), small base stations (SBSs) and users distributed according to independent Poisson point processes is considered. SBS nodes are assumed to possess high storage capacity and to form a…

信息论 · 计算机科学 2016-11-17 B. N. Bharath , K. G. Nagananda , H. Vincent Poor

Embedding image features into a binary Hamming space can improve both the speed and accuracy of large-scale query-by-example image retrieval systems. Supervised hashing aims to map the original features to compact binary codes in a manner…

机器学习 · 计算机科学 2016-11-17 Guosheng Lin , Chunhua Shen , Anton van den Hengel

Secret sharing schemes create an effective method to safeguard a secret by dividing it among several participants. By using hash functions and the herding hashes technique, we first set up a (t+1, n) threshold scheme which is perfect and…

密码学与安全 · 计算机科学 2011-11-08 Chi Sing Chum , Xiaowen Zhang

In this paper, we propose a class of threshold secret sharing schemes with repairing function between shares without the help of the dealer, that we called repairable threshold secret sharing schemes. Specifically, if a share fails, such as…

密码学与安全 · 计算机科学 2015-02-05 Xuan Guang , Jiyong Lu , Fang-Wei Fu
‹ 上一页 1 2 3 10 下一页 ›