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Data anonymization is an approach to privacy-preserving data release aimed at preventing participants reidentification, and it is an important alternative to differential privacy in applications that cannot tolerate noisy data. Existing…

Data Structures and Algorithms · Computer Science 2022-01-31 Gecia Bravo-Hermsdorff , Robert Busa-Fekete , Lee M. Gunderson , Andrés Munõz Medina , Umar Syed

Within a trust infrastructure, a private key is often used to digitally sign a transaction, which can be verified with an associated public key. Using PKI (Public Key Infrastructure), a trusted entity can produce a digital signature,…

Cryptography and Security · Computer Science 2023-10-11 Sam Grierson , William J Buchanan , Craig Thomson , Baraq Ghaleb , Leandros Maglaras , Chris Eckl

In this paper, we study a distributed privacy-preserving learning problem in social networks with general topology. The agents can communicate with each other over the network, which may result in privacy disclosure, since the…

Social and Information Networks · Computer Science 2023-01-30 Youming Tao , Shuzhen Chen , Feng Li , Dongxiao Yu , Jiguo Yu , Hao Sheng

Network topology identification (TI) is an essential function for distributed energy resources management systems (DERMS) to organize and operate widespread distributed energy resources (DERs). In this paper, discriminant analysis (DA) is…

Systems and Control · Electrical Eng. & Systems 2020-11-17 Mohammad Jafarian , Alireza Soroudi , Andrew Keane

Fingerprint recognition systems are widely deployed for authentication and forensic applications, but the security of stored fingerprint data remains a critical vulnerability. While many systems avoid storing raw fingerprint images in favor…

Cryptography and Security · Computer Science 2025-11-18 Yaniv Hacmon , Keren Gorelik , Gilad Gressel , Yisroel Mirsky

Quantum key distribution (QKD) networks are expected to enable information-theoretical secure (ITS) communication over a large-scale network. Most researches on relay-based QKD network assume that all relays or nodes are completely…

Quantum Physics · Physics 2024-02-02 Yi Luo , Qiong Li , Hao-Kun Mao

For conventional secret sharing, if cheaters can submit possibly forged shares after observing shares of the honest users in the reconstruction phase then they cannot only disturb the protocol but also only they may reconstruct the true…

Cryptography and Security · Computer Science 2018-03-08 Masahito Hayashi , Takeshi Koshiba

Generative retrieval, a promising new paradigm in information retrieval, employs a seq2seq model to encode document features into parameters and decode relevant document identifiers (IDs) based on search queries. Existing generative…

Information Retrieval · Computer Science 2024-05-24 Yuxuan Liu , Tianchi Yang , Zihan Zhang , Minghui Song , Haizhen Huang , Weiwei Deng , Feng Sun , Qi Zhang

The agentic web marks a structural transition from a human-centered information network to a digital environment populated by artificial intelligence (AI) agents that perceive, decide, and act autonomously. As delegated action unfolds at…

Advanced Metering Infrastructure forms a communication network for the collection of power data from smart meters in Smart Grid. As the communication between smart meters could be secured utilizing public-key cryptography, however,…

Cryptography and Security · Computer Science 2020-08-07 Mumin Cebe , Kemal Akkaya

Decentralised identifiers have become a standardised element of digital identity architecture, with supra-national organisations such as the European Union adopting them as a key component for a unified European digital identity ledger.…

With changes in privacy laws, there is often a hard requirement for client data to remain on the device rather than being sent to the server. Therefore, most processing happens on the device, and only an altered element is sent to the…

Cryptography and Security · Computer Science 2022-12-27 Ajinkya K Mulay

The security of public key validation protocols for web-based applications has recently attracted attention because of weaknesses in the certificate authority model, and consequent attacks. Recent proposals using public logs have succeeded…

Cryptography and Security · Computer Science 2017-03-17 Jiangshan Yu , Vincent Cheval , Mark Ryan

Self-sovereign Identity promises to give users control of their own data, and has the potential to foster advancements in terms of personal data privacy. Self-sovereign concepts can also be applied to other entities, such as datasets and…

Software Engineering · Computer Science 2020-09-11 Iain Barclay , Maria Freytsis , Sherri Bucher , Swapna Radha , Alun Preece , Ian Taylor

The recent decades have seen a surge of interests in distributed computing. Existing work focus primarily on either distributed computing platforms, data query tools, or, algorithms to divide big data and conquer at individual machines etc.…

Machine Learning · Statistics 2019-08-01 Donghui Yan , Ying Xu

Zero Trust Architectures (ZTA) fundamentally redefine network security by adopting a "trust nothing, verify everything" approach that requires identity verification for all access. Conventional discrete access control measures have proven…

Cryptography and Security · Computer Science 2025-01-14 Sina Ahmadi

In our data world, a host of not necessarily trusted controllers gather data on individual subjects. To preserve her privacy and, more generally, her informational self-determination, the individual has to be empowered by giving her agency…

Cryptography and Security · Computer Science 2020-12-22 Josep Domingo-Ferrer , Jordi Soria-Comas

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

Redactable signature schemes and sanitizable signature schemes are methods that permit modification of a given digital message and retain a valid signature. This can be applied to decentralized identity systems for delegating identity…

Cryptography and Security · Computer Science 2023-10-27 Bryan Kumara , Mark Hooper , Carsten Maple , Timothy Hobson , Jon Crowcroft

Research on data confidentiality, integrity and availability is gaining momentum in the ICT community, due to the intrinsically insecure nature of the Internet. While many distributed systems and services are now based on secure…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-17 Antonio Magnani , Gabriele D'Angelo , Stefano Ferretti , Moreno Marzolla