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In this paper we present reclaimID: An architecture that allows users to reclaim their digital identities by securely sharing identity attributes without the need for a centralised service provider. We propose a design where user attributes…

Cryptography and Security · Computer Science 2018-09-11 Martin Schanzenbach , Georg Bramm , Julian Schütte

Anonymous quantum conference key agreement (AQCKA) allows a group of users within a network to establish a shared cryptographic key without revealing their participation. Although this can be achieved using bi-partite primitives alone, it…

The rapid expansion of Vehicle-to-Everything (V2X) networks within the Internet of Vehicles (IoV) demands secure and efficient authentication to support high-speed, high-density and mobility-challenged environments. This paper presents a…

Cryptography and Security · Computer Science 2025-05-13 Morteza Azmoudeh Afshar , Nesrine Benchoubane , Busra Cayoren , Gunes Karabulut Kurt , Enver Ozdemir

In password-based authentication systems, the username fields are essentially unprotected, while the password fields are susceptible to attacks. In this article, we shift our research focus from traditional authentication paradigm to the…

Cryptography and Security · Computer Science 2026-05-06 Suyun Borjigin

A smart grid is an advanced method for supplying electricity to the consumers alleviating the limitations of the existing system. It causes frequent meter reading transmission from the end-user to the supplier. This frequent data…

Cryptography and Security · Computer Science 2020-06-12 Mohammad Saidur Rahman

Popular instant messaging applications such as WhatsApp and Signal provide end-to-end encryption for billions of users. They rely on a centralized, application-specific server to distribute public keys and relay encrypted messages between…

Cryptography and Security · Computer Science 2022-10-19 Tarun Kumar Yadav , Devashish Gosain , Amir Herzberg , Daniel Zappala , Kent Seamons

Local differential privacy (LDP) is a strong privacy standard that has been adopted by popular software systems. The main idea is that each individual perturbs their own data locally, and only submits the resulting noisy version to a data…

Cryptography and Security · Computer Science 2024-04-04 Fei Wei , Ergute Bao , Xiaokui Xiao , Yin Yang , Bolin Ding

With the rise of increasingly complex autonomous systems powered by black box AI models, there is a growing need for Run Time Assurance (RTA) systems that provide online safety filtering to untrusted primary controller output. Currently,…

Systems and Control · Electrical Eng. & Systems 2022-09-05 Umberto Ravaioli , Kyle Dunlap , Kerianne Hobbs

With the rapid advancement of wireless network technology, usage of WSN in real time applications like military, forest monitoring etc. found increasing. Generally WSN operate in an unattended environment and handles critical data.…

Cryptography and Security · Computer Science 2013-11-14 Chandra Sekhar Vorugunti , Mrudula Sarvabhatla

We introduce LOCATHE (Location-Enhanced Authenticated Key Exchange), a generic protocol that pools location, user attributes, access policy and desired services into a multi-factor authentication, allowing two peers to establish a secure,…

Cryptography and Security · Computer Science 2016-02-18 Marcos Portnoi , Chien-Chung Shen

Generative Adversarial Networks (GANs) have demonstrated their ability to generate synthetic samples that match a target distribution. However, from a privacy perspective, using GANs as a proxy for data sharing is not a safe solution, as…

This paper introduces a three-point biometric authentication system for a blockchain-based decentralized identity network. We use existing biometric authentication systems to demonstrate the unique noise fingerprints that belong to each…

Cryptography and Security · Computer Science 2024-09-10 Sarah A. Flanery , Christiana Chamon

With the rapid advancement of 6G technology, the Tactile Internet is emerging as a novel paradigm of interaction, particularly in intelligent transportation systems, where stringent demands for ultra-low latency and high reliability are…

Quantum Algebra · Mathematics 2025-11-07 Shakil Ahmed , Amika Tabassum , Ibrahim Almazyad , Ashfaq Khokhar

Our previous work established the feasibility of FPGA-based real-time trajectory anonymization, a critical task for protecting user privacy in modern location-based services (LBS). However, that pioneering approach relied exclusively on…

Hardware Architecture · Computer Science 2025-11-14 Hiroshi Nakano , Hiroaki Nishi

Blockchain assets are increasingly controlled by organizations rather than individuals. DAO treasuries, consortium wallets, and custodial exchanges rely on threshold authorization and multi-party key management, yet existing payment…

Cryptography and Security · Computer Science 2026-04-17 Minfeng Qi , Lin Zhong , Qin Wang

The Domain Name System (DNS) plays a foundational role in Internet infrastructure, yet its core protocols remain vulnerable to compromise by quantum adversaries. As cryptographically relevant quantum computers become a realistic threat,…

Cryptography and Security · Computer Science 2025-06-26 Juyoul Lee , Sanzida Hoque , Abdullah Aydeger , Engin Zeydan

Active re-identification attacks pose a serious threat to privacy-preserving social graph publication. Active attackers create fake accounts to build structural patterns in social graphs which can be used to re-identify legitimate users on…

Social and Information Networks · Computer Science 2020-09-15 Xihui Chen , Ema Këpuska , Sjouke Mauw , Yunior Ramírez-Cruz

Identification schemes are interactive protocols typically involving two parties, a prover, who wants to provide evidence of his or her identity and a verifier, who checks the provided evidence and decide whether it comes or not from the…

Using public cloud services for storing and sharing confidential data requires end users to cryptographically protect both the data and the access to the data. In some cases, the identity of end users needs to remain confidential against…

Cryptography and Security · Computer Science 2020-04-07 Stefan Contiu , Sébastien Vaucher , Rafael Pires , Marcelo Pasin , Pascal Felber , Laurent Réveillère

Nowadays, Vehicular Ad hoc Networks (VANETs) are popularly known as they can reduce traffic and road accidents. These networks need several security requirements, such as anonymity, data authentication, confidentiality, traceability and…

Cryptography and Security · Computer Science 2021-04-07 A. Aghabagherloo , J. Mohajeri , M. Salmasizadeh , M. Mohassel Feghhi