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This paper presents a secure communication application called DiscoverFriends. Its purpose is to securely communicate to a group of online friends while bypassing their respective social networking servers under a mobile ad hoc network…

Cryptography and Security · Computer Science 2016-05-04 Joshua Joy , Eric Chung , Zengwen Yuan , Leqi Zou , Jiayao Li , Mario Gerla

Decentralized methods are gaining popularity for data-driven models in power systems as they offer significant computational scalability while guaranteeing full data ownership by utility stakeholders. However, decentralized methods still…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-20 Paritosh Ramanan , Murat Yildirim , Nagi Gebraeel , Edmond Chow

Vertical privacy-preserving machine learning (vPPML) enables multiple parties to train models on their vertically distributed datasets while keeping datasets private. In vPPML, it is critical to perform the secure dataset join, which aligns…

Cryptography and Security · Computer Science 2025-06-03 Shuyu Chen , Guopeng Lin , Haoyu Niu , Lushan Song , Chengxun Hong , Weili Han

In this work we introduce a new protocol for vector aggregation in the context of the Shuffle Model, a recent model within Differential Privacy (DP). It sits between the Centralized Model, which prioritizes the level of accuracy over the…

Cryptography and Security · Computer Science 2022-02-01 Mary Scott , Graham Cormode , Carsten Maple

Local Differential Privacy (LDP) provides provable privacy protection for data collection without the assumption of the trusted data server. In the real-world scenario, different data have different privacy requirements due to the distinct…

Cryptography and Security · Computer Science 2020-02-25 Xiaolan Gu , Ming Li , Li Xiong , Yang Cao

Traffic analysis for instant messaging (IM) applications continues to pose an important privacy challenge. In particular, transport-level data can leak unintentional information about IM -- such as who communicates with whom. Existing tools…

Cryptography and Security · Computer Science 2022-02-07 Boel Nelson , Aslan Askarov

Previous studies have found that an adversary attacker can often infer unintended input information from intermediate-layer features. We study the possibility of preventing such adversarial inference, yet without too much accuracy…

Machine Learning · Computer Science 2020-01-15 Liyao Xiang , Haotian Ma , Hao Zhang , Yifan Zhang , Jie Ren , Quanshi Zhang

We study the computational cost of differential privacy in terms of memory efficiency. While the trade-off between accuracy and differential privacy is well-understood, the inherent cost of privacy regarding memory use remains largely…

Cryptography and Security · Computer Science 2026-02-13 Alessandro Epasto , Xin Lyu , Pasin Manurangsi

Differential privacy is the state-of-the-art formal definition for data release under strong privacy guarantees. A variety of mechanisms have been proposed in the literature for releasing the output of numeric queries (e.g., the Laplace…

Cryptography and Security · Computer Science 2022-04-15 Victor A. E. Farias , Felipe T. Brito , Cheryl Flynn , Javam C. Machado , Subhabrata Majumdar , Divesh Srivastava

In this paper, we proposed an identification and data encrypt key manage protocol that can be used in some security system based on such secure devices as secure USB memories or RFIDs, which are widely used for identifying persons or other…

Cryptography and Security · Computer Science 2013-07-08 Chol-Un Kim , Dok-Jun An , Song Han

In this paper, we study a cooperative linear quadratic Gaussian (LQG) control system with a single user and a server. In this system, the user runs a process and employs the server to meet the needs of computation. However, the user regards…

Systems and Control · Electrical Eng. & Systems 2024-03-29 Wenhao Lin , Yuqing Ni , Wen Yang , Chao Yang

The emerging public awareness and government regulations of data privacy motivate new paradigms of collecting and analyzing data that are transparent and acceptable to data owners. We present a new concept of privacy and corresponding data…

Cryptography and Security · Computer Science 2022-06-08 Jie Ding , Bangjun Ding

Collaborative inference in next-generation networks can enhance Artificial Intelligence (AI) applications, including autonomous driving, personal identification, and activity classification. This method involves a three-stage process: a)…

Information Theory · Computer Science 2024-06-04 Mohamed Seif , Yuqi Nie , Andrea Goldsmith , Vincent Poor

This paper proposes a new recommendation system preserving both privacy and utility. It relies on the local differential privacy (LDP) for the browsing user to transmit his noisy preference profile, as perturbed Bloom filters, to the…

Cryptography and Security · Computer Science 2021-09-24 Seryne Rahali , Maryline Laurent , Souha Masmoudi , Charles Roux , Brice Mazeau

This paper presents Flash, an optimized private inference (PI) hybrid protocol utilizing both homomorphic encryption (HE) and secure two-party computation (2PC), which can reduce the end-to-end PI latency for deep CNN models less than 1…

Cryptography and Security · Computer Science 2025-01-20 Hyeri Roh , Jinsu Yeo , Yeongil Ko , Gu-Yeon Wei , David Brooks , Woo-Seok Choi

Stealth address prevents public association of a blockchain transaction's output with a recipient's wallet address and hides the actual destination address of a transaction. While stealth address provides an effective privacy-enhancing…

Cryptography and Security · Computer Science 2018-06-05 Xinxin Fan

Cloud-edge collaborative inference approach splits deep neural networks (DNNs) into two parts that run collaboratively on resource-constrained edge devices and cloud servers, aiming at minimizing inference latency and protecting data…

Cryptography and Security · Computer Science 2022-12-14 Yulong Wang , Xingshu Chen , Qixu Wang

Differential private (DP) query and response mechanisms have been widely adopted in various applications based on Internet of Things (IoT) to leverage variety of benefits through data analysis. The protection of sensitive information is…

Cryptography and Security · Computer Science 2022-12-09 Muhammad Islam , Mubashir Husain Rehmani , Jinjun Chen

Decentralized Federated Learning (DFL) enables collaborative model training without a central server, but it remains vulnerable to privacy leakage because shared model updates can expose sensitive information through inversion,…

Cryptography and Security · Computer Science 2025-12-09 Fardin Jalil Piran , Zhiling Chen , Yang Zhang , Qianyu Zhou , Jiong Tang , Farhad Imani

In this brief, we present an enhanced privacy-preserving distributed estimation algorithm, referred to as the ``Double-Private Algorithm," which combines the principles of both differential privacy (DP) and cryptography. The proposed…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Mehdi Korki , Fatemehsadat Hosseiniamin , Hadi Zayyani , Mehdi Bekrani