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We introduce CryptGPU, a system for privacy-preserving machine learning that implements all operations on the GPU (graphics processing unit). Just as GPUs played a pivotal role in the success of modern deep learning, they are also essential…

密码学与安全 · 计算机科学 2021-04-23 Sijun Tan , Brian Knott , Yuan Tian , David J. Wu

Federated learning is a collaborative method that aims to preserve data privacy while creating AI models. Current approaches to federated learning tend to rely heavily on secure aggregation protocols to preserve data privacy. However, to…

密码学与安全 · 计算机科学 2022-11-14 John Reuben Gilbert

As more sensitive data is shared and stored by third-party sites on the internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data is that it can be selectively shared only at a coarse-grained…

密码学与安全 · 计算机科学 2014-07-15 Charan Kumar , Dinesh Kumar , Arun Kumar Reddy

With the expansion of cloud services, serious concerns about the privacy of users' data arise due to the exposure of the unencrypted data to the server during computation. Various security primitives are under investigation to preserve…

密码学与安全 · 计算机科学 2022-04-26 Zhehong Wang , Dennis Sylvester , Hun-Seok Kim , David Blaauw

The trend towards delegating data processing to a remote party raises major concerns related to privacy violations for both end-users and service providers. These concerns have attracted the attention of the research community, and several…

密码学与安全 · 计算机科学 2015-12-15 Youssef Gahi , Mouhcine Guennoun , Zouhair Guennoun , Khalil El-khatib

Aggregate signatures allow anyone to combine different signatures signed by different signers on different messages into a single short signature. An ideal aggregate signature scheme is an identity-based aggregate signature (IBAS) scheme…

密码学与安全 · 计算机科学 2018-11-21 Kwangsu Lee , Dong Hoon Lee

Private Computation (PC), recently introduced by Sun and Jafar, is a generalization of Private Information Retrieval (PIR) in which a user wishes to privately compute an arbitrary function of data stored across several servers. We construct…

信息论 · 计算机科学 2018-01-16 David Karpuk

The performance of any elliptic curve cryptography hardware accelerator significantly relies on the efficiency of the underlying point multiplication (PM) architecture. This article presents a hardware implementation of field-programmable…

This article presents an asynchronous FPGA architecture for implementing cryptographic algorithms secured against physical cryptanalysis. We discuss the suitability of asynchronous reconfigurable architectures for such applications before…

Decentralized secure aggregation (DSA) considers a fully-connected network of $K$ users, where each pair of users can communicate bidirectionally over an error-free channel. Each user holds a private input, and the goal is for each user to…

信息论 · 计算机科学 2025-12-19 Zhou Li , Xiang Zhang , Giuseppe Caire

The rapid adoption of AI and convenience offered by cloud services have resulted in the growing demands for GPUs in the cloud. Generally, GPUs are physically attached to host servers as PCIe devices. However, the fixed assembly combination…

分布式、并行与集群计算 · 计算机科学 2023-10-10 Bowen He , Xiao Zheng , Yuan Chen , Weinan Li , Yajin Zhou , Xin Long , Pengcheng Zhang , Xiaowei Lu , Linquan Jiang , Qiang Liu , Dennis Cai , Xiantao Zhang

Federated learning is a computing paradigm that enhances privacy by enabling multiple parties to collaboratively train a machine learning model without revealing personal data. However, current research indicates that traditional federated…

密码学与安全 · 计算机科学 2025-01-10 Runhua Xu , Bo Li , Chao Li , James B. D. Joshi , Shuai Ma , Jianxin Li

Smart meter data aggregation protocols have been developed to address rising privacy threats against customers' consumption data. However, these protocols do not work satisfactorily in the presence of failures of smart meters or network…

密码学与安全 · 计算机科学 2024-10-28 Günther Eibl , Sanaz Taheri-Boshrooyeh , Alptekin Küpçü

Hardening data protection using multiple methods rather than 'just' encryption is of paramount importance when considering continuous and powerful attacks in order to observe, steal, alter, or even destroy private and confidential…

密码学与安全 · 计算机科学 2017-02-14 Gerard Memmi , Katarzyna Kapusta , Patrick Lambein , Han Qiu

The development of deep learning techniques is a leading field applied to cases in which medical data is used, particularly in cases of image diagnosis. This type of data has privacy and legal restrictions that in many cases prevent it from…

机器学习 · 计算机科学 2025-01-28 Judith Sáinz-Pardo Díaz , Álvaro López García

Generating secure random numbers is a central problem in cryptography that needs a reliable source of enough computing entropy. Without enough entropy available - meaning no good source of secure random numbers - a device is susceptible to…

密码学与安全 · 计算机科学 2018-10-02 JV Roig

In recent times, a necessity has been raised in order to distribute computing applications often across grids. These applications are dependent on the services like data transfer or data portal services as well as submission of jobs.…

密码学与安全 · 计算机科学 2010-01-13 V. Ruckmani , Dr G Sudha Sadasivam

Cloud computing enables users to process and store data remotely on high-performance computers and servers by sharing data over the Internet. However, transferring data to clouds causes unavoidable privacy concerns. Here, we present a…

密码学与安全 · 计算机科学 2024-08-12 Haleh Hayati , Nathan van de Wouw , Carlos Murguia

Recent trends in business and technology (e.g., machine learning, social network analysis) benefit from storing and processing growing amounts of graph-structured data in databases and data science platforms. FPGAs as accelerators for graph…

数据库 · 计算机科学 2021-02-09 Jonas Dann , Daniel Ritter , Holger Fröning

Privacy-preserving data processing refers to the methods and models that allow computing and analyzing sensitive data with a guarantee of confidentiality. As cloud computing and applications that rely on data continue to expand, there is an…

密码学与安全 · 计算机科学 2026-01-13 Gaurav Sarraf , Vibhor Pal