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As massive data are produced from small gadgets, federated learning on mobile devices has become an emerging trend. In the federated setting, Stochastic Gradient Descent (SGD) has been widely used in federated learning for various machine…

机器学习 · 计算机科学 2020-03-25 Ruixuan Liu , Yang Cao , Masatoshi Yoshikawa , Hong Chen

In this paper, we propose new location privacy preserving schemes for database-driven cognitive radio networks that protect secondary users' (SUs) location privacy while allowing them to learn spectrum availability in their vicinity. Our…

网络与互联网体系结构 · 计算机科学 2018-06-12 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

Homomorphic encryption is a very useful gradient protection technique used in privacy preserving federated learning. However, existing encrypted federated learning systems need a trusted third party to generate and distribute key pairs to…

密码学与安全 · 计算机科学 2020-11-26 Hangyu Zhu , Rui Wang , Yaochu Jin , Kaitai Liang , Jianting Ning

A privacy-preserving Support Vector Machine (SVM) computing scheme is proposed in this paper. Cloud computing has been spreading in many fields. However, the cloud computing has some serious issues for end users, such as unauthorized use…

密码学与安全 · 计算机科学 2018-09-20 Takahiro Maekawa , Takayuki Nakachi , Sayaka Shiota , Hitoshi Kiya

With the increasing affordability and availability of patient data, hospitals tend to outsource their data to cloud service providers (CSPs) for the purpose of storage and analytics. However, the concern of data privacy significantly limits…

密码学与安全 · 计算机科学 2021-08-31 Xiaojie Zhu , Erman Ayday , Roman Vitenberg

Deep learning models have been extensively adopted in various regions due to their ability to represent hierarchical features, which highly rely on the training set and procedures. Thus, protecting the training process and deep learning…

密码学与安全 · 计算机科学 2025-03-12 Haodi Wang , Tangyu Jiang , Yu Guo , Chengjun Cai , Cong Wang , Xiaohua Jia

Benchmarking is crucial for evaluating a DBMS, yet existing benchmarks often fail to reflect the varied nature of user workloads. As a result, there is increasing momentum toward creating databases that incorporate real-world user data to…

数据库 · 计算机科学 2025-04-11 Yunqing Ge , Jianbin Qin , Shuyuan Zheng , Yongrui Zhong , Bo Tang , Yu-Xuan Qiu , Rui Mao , Ye Yuan , Makoto Onizuka , Chuan Xiao

The proliferation of online biometric authentication has necessitated security requirements of biometric templates. The existing secure biometric authentication schemes feature a server-centric model, where a service provider maintains a…

密码学与安全 · 计算机科学 2017-11-15 Kai Zhou , Jian Ren

Entropically Secure Encryption (ESE) offers unconditional security with shorter keys compared to the One-Time Pad. In this paper, we present the first implementation of ESE for bulk encryption. The main computational bottleneck for bulk ESE…

密码学与安全 · 计算机科学 2024-11-15 Mehmet Hüseyin Temel , Boris Skoric , Idelfonso Tafur Monroy

The use of synthetic data in health applications raises privacy concerns, yet the lack of open frameworks for privacy evaluations has slowed its adoption. A major challenge is the absence of accessible benchmark datasets for evaluating…

机器学习 · 计算机科学 2026-01-21 Bing Hu , Yixin Li , Asma Bahamyirou , Helen Chen

Searchable Encryption (SE) enables users to query outsourced encrypted data while preserving data confidentiality. However, most efficient schemes still leak the search pattern and access pattern, which may allow an honest-but-curious cloud…

密码学与安全 · 计算机科学 2026-04-10 Jing Zhang , Ganxuan Yang , Yifei Yang , Siqi Wen , Zhengyang Qiu

The privacy-preserving federated learning schemes based on the setting of two honest-but-curious and non-colluding servers offer promising solutions in terms of security and efficiency. However, our investigation reveals that these schemes…

密码学与安全 · 计算机科学 2025-07-31 Jiahui Wu , Fucai Luo , Tiecheng Sun , Haiyan Wang , Weizhe Zhang

In this paper, we study methods for improving the efficiency and privacy of compressed DNA sequence comparison computations, under various querying scenarios. For instance, one scenario involves a querier, Bob, who wants to test if his DNA…

密码学与安全 · 计算机科学 2011-07-20 David Eppstein , Michael T. Goodrich , Pierre Baldi

New cryptographic techniques such as homomorphic encryption (HE) allow computations to be outsourced to and evaluated blindfolded in a resourceful cloud. These computations often require private data owned by multiple participants, engaging…

密码学与安全 · 计算机科学 2020-08-13 Asma Aloufi , Peizhao Hu , Yongsoo Song , Kristin Lauter

In privacy-preserving machine learning, individual parties are reluctant to share their sensitive training data due to privacy concerns. Even the trained model parameters or prediction can pose serious privacy leakage. To address these…

密码学与安全 · 计算机科学 2020-09-04 Lingjuan Lyu , Yee Wei Law , Kee Siong Ng , Shibei Xue , Jun Zhao , Mengmeng Yang , Lei Liu

Recent advances in DNA sequencing technologies have put ubiquitous availability of fully sequenced human genomes within reach. It is no longer hard to imagine the day when everyone will have the means to obtain and store one's own DNA…

密码学与安全 · 计算机科学 2015-03-19 Pierre Baldi , Roberta Baronio , Emiliano De Cristofaro , Paolo Gasti , Gene Tsudik

This paper presents a privacy-preserving event detection scheme based on measurements made by a network of sensors. A diameter-like decision statistic made up of the marginal types of the measurements observed by the sensors is employed.…

信息论 · 计算机科学 2025-05-06 Xiaoshan Wang , Tan F. Wong

The main aim of Privacy-Preserving Machine Learning (PPML) is to protect the privacy and provide security to the data used in building Machine Learning models. There are various techniques in PPML such as Secure Multi-Party Computation,…

机器学习 · 计算机科学 2022-06-01 Syed Imtiaz Ahamed , Vadlamani Ravi

Privacy regulation laws, such as GDPR, impose transparency and security as design pillars for data processing algorithms. In this context, federated learning is one of the most influential frameworks for privacy-preserving distributed…

In traditional runtime verification, a system is typically observed by a monolithic monitor. Enforcing privacy in such settings is computationally expensive, as it necessitates heavy cryptographic primitives. Therefore, privacy-preserving…

密码学与安全 · 计算机科学 2026-03-23 Mahyar Karimi , K. S. Thejaswini , Roderick Bloem , Thomas A. Henzinger