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We study the role of coded side information in single-server Private Information Retrieval (PIR). An instance of the single-server PIR problem includes a server that stores a database of $K$ independently and uniformly distributed messages,…

Information Theory · Computer Science 2019-10-18 Anoosheh Heidarzadeh , Fatemeh Kazemi , Alex Sprintson

Grid computing is the next logical step to distributed computing. Main objective of grid computing is an innovative approach to share resources such as CPU usage; memory sharing and software sharing. Data Grids provide transparent access to…

Distributed, Parallel, and Cluster Computing · Computer Science 2010-03-23 S. Vidhya , S. Karthikeyan

Supply chain data management faces challenges in traceability, transparency, and trust. These issues stem from data silos and communication barriers. This research introduces DIDChain, a framework leveraging blockchain technology,…

Cryptography and Security · Computer Science 2025-03-05 Patrick Herbke , Sid Lamichhane , Kaustabh Barman , Sanjeet Raj Pandey , Axel Küpper , Andreas Abraham , Markus Sabadello

Quantum Key Distribution (QKD) protocols require Information-Theoretically Secure (ITS) authentication of the classical channel to preserve the unconditional security of the distilled key. Standard ITS schemes are based on one-time keys:…

We consider the problem of identification and authentication based on secret key generation from some user-generated source data (e.g., a biometric source). The goal is to reliably identify users pre-enrolled in a database as well as…

Information Theory · Computer Science 2015-08-07 Kittipong Kittichokechai , Giuseppe Caire

We design and develop a secret-sharing-scheme-based cyberattack detection model(S3CDM)that can detect unauthorized or illegal activities (especially insider attacks) and protect sensitive information within complex network infrastructures…

Cryptography and Security · Computer Science 2026-04-14 Chi Sing Chum , Jia Lu , Claire Tang , Xiaowen Zhang

Most existing methods tackle the problem of occluded person re-identification (ReID) by utilizing auxiliary models, resulting in a complicated and inefficient ReID framework that is unacceptable for real-time applications. In this work, a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Yihu Song , Shuaishi Liu

The issue of identifiers is crucial in distributed computing. Informally, identities are used for tackling two of the fundamental difficulties that areinherent to deterministic distributed computing, namely: (1) symmetry breaking, and (2)…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-12-23 Pierre Fraigniaud , Magnús Halldórsson , Amos Korman

The growing complexity of Internet of Things (IoT) environments, particularly in cross-domain data sharing, presents significant security challenges. Existing data-sharing schemes often rely on computationally expensive cryptographic…

Cryptography and Security · Computer Science 2024-11-15 Kexian Liu , Jianfeng Guan , Xiaolong Hu , Jianli Liu , Hongke Zhang

Identifying transportation units (TUs) is essential for improving the efficiency of port logistics. However, progress in this field has been hindered by the lack of publicly available benchmark datasets that capture the diversity and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Emre Gülsoylu , André Kelm , Lennart Bengtson , Matthias Hirsch , Christian Wilms , Tim Rolff , Janick Edinger , Simone Frintrop

Quantum Key Distribution (QKD) is a means of generating keys between a pair of computing hosts that is theoretically secure against cryptanalysis, even by a quantum computer. Although there is much active research into improving the QKD…

Cryptography and Security · Computer Science 2017-12-08 Piotr K. Tysowski , Xinhua Ling , Norbert Lütkenhaus , Michele Mosca

This paper presents a multi-platform, open-source application that aims to protect data stored and shared in existing cloud storage services. The access to the cryptographic material used to protect data is implemented using the…

Cryptography and Security · Computer Science 2015-01-14 Eduardo Duarte , Filipe Pinheiro , André Zúquete , Hélder Gomes

We introduce baseSPIDER and SPIDER, private information retrieval (PIR) schemes that embody two technical advancements. The baseSPIDER protocol operates with a single server and a stateful client that performs pre-processing and stores…

Cryptography and Security · Computer Science 2026-05-22 Ofir Dvir , Kali Hale , Javin Zipkin , Divyakant Agrawal , Dahlia Malkhi

Self-Sovereign Identity is a transformative paradigm in digital identity management, empowering individuals with full control over their credentials. However, the coexistence of diverse SSI ecosystems, such as the European Digital Identity…

Emerging Technologies · Computer Science 2025-12-30 Hakan Yildiz , Axel Küpper

3D object detection using LiDAR-based point cloud data and deep neural networks is essential in autonomous driving technology. However, deploying state-of-the-art models on edge devices present challenges due to high computational demands…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-13 Taisuke Noguchi , Takayuki Nishio , Takuya Azumi

Cloud storage has become the backbone of modern data infrastructure, yet privacy and efficient data retrieval remain significant challenges. Traditional privacy-preserving approaches primarily focus on enhancing database security but fail…

Databases · Computer Science 2026-01-06 Azrin Sultana , Hasibur Rashid Chayon

Threshold cryptography has gained momentum in the last decades as a mechanism to protect long term secret keys. Rather than having a single secret key, this allows to distribute the ability to perform a cryptographic operation such as…

Cryptography and Security · Computer Science 2024-08-30 Florian Le Mouël , Maxime Godon , Renaud Brien , Erwan Beurier , Nora Boulahia-Cuppens , Frédéric Cuppens

Authentication and authorization are two key elements of a software application. In modern day, OAuth 2.0 framework and OpenID Connect protocol are widely adopted standards fulfilling these requirements. These protocols are implemented into…

Cryptography and Security · Computer Science 2018-08-21 Kavindu Dodanduwa , Ishara Kaluthanthri

Self-Sovereign Identity (SSI) is a new distributed method for identity management, commonly used to address the problem that users are lack of control over their identities. However, the excessive pursuit of self-sovereignty in the most…

Cryptography and Security · Computer Science 2022-06-13 Qiuyun Lyu , Shaopeng Cheng , Hao Li , Junliang Liu , Yanzhao Shen , Zhen Wang

Biometric authentication relies on physiological or behavioral traits that are inherent to a user, making them difficult to lose, forge or forget. Biometric data with a temporal component enable the following authentication protocol: recent…

Cryptography and Security · Computer Science 2025-06-25 Daniel Reijsbergen , Eyasu Getahun Chekole , Howard Halim , Jianying Zhou