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Related papers: AOT: Anonymization by Oblivious Transfer

200 papers

Concealing an intermediate point on a route or visible from a route is an important goal in some transportation and surveillance scenarios. This paper studies the Transit Obfuscation Problem, the problem of traveling from some start…

Artificial Intelligence · Computer Science 2024-02-14 Hideaki Takahashi , Alex Fukunaga

Anonymous communication systems are subject to selective denial-of-service (DoS) attacks. Selective DoS attacks lower anonymity as they force paths to be rebuilt multiple times to ensure delivery which increases the opportunity for more…

Cryptography and Security · Computer Science 2015-03-19 Anupam Das , Nikita Borisov

Social networks, instant messages and file sharing systems are common communication means among friends, families, coworkers, etc. Due to concerns of personal privacy, identify thefts, data misuse, freedom of speech and government…

Cryptography and Security · Computer Science 2019-01-30 Wei Jiang , Adam Bowers , Dan Lin

The traditional Domain Name System (DNS) lacks fundamental features of security and privacy in its design. As concerns of privacy increased on the Internet, security and privacy enhancements of DNS have been actively investigated and…

Cryptography and Security · Computer Science 2024-04-24 Jun Kurihara , Takeshi Kubo

Unsupervised action segmentation has recently pushed its limits with ASOT, an optimal transport (OT)-based method that simultaneously learns action representations and performs clustering using pseudo-labels. Unlike other OT-based…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Elena Bueno-Benito , Mariella Dimiccoli

Voice anonymization masks vocal traits while preserving linguistic content, which may still leak speaker-specific patterns. To assess and strengthen privacy evaluation, we propose a dual-stream attacker that fuses spectral and…

Sound · Computer Science 2026-03-17 Ridwan Arefeen , Xiaoxiao Miao , Rong Tong , Aik Beng Ng , Simon See , Timothy Liu

We introduce a gossip-like protocol for covert message passing between Alice and Bob as they move in an area watched over by a warden Willie. The area hosts a multitude of Internet of (Battlefield) Things (Io\b{eta}T) objects. Alice and Bob…

Information Theory · Computer Science 2021-12-23 Pei Peng , Emina Soljanin

This paper proposes a new medium access control (MAC) protocol for Internet of Things (IoT) applications incorporating pure ALOHA with power domain non-orthogonal multiple access (NOMA) in which the number of transmitters are not known as a…

Signal Processing · Electrical Eng. & Systems 2018-03-28 Eren Balevi , Faeik T. Al Rabee , Richard D. Gitlin

This paper consider a new secure communication scene where a full-duplex transmitter (Alan) need to transmit confidential information to a half-duplex receiver (Bob), with a silent eavesdropper (Eve) that tries to eavesdrop the confidential…

Networking and Internet Architecture · Computer Science 2017-10-20 Xinyue Hu , Caihong Kai , Shengli Zhang , Zhongyi Guo , Jun Gao

System and network event logs are essential for security analytics, threat detection, and operational monitoring. However, these logs often contain Personally Identifiable Information (PII), raising significant privacy concerns when shared…

Cryptography and Security · Computer Science 2025-07-30 Shreyas Bargale , Akshit Vakati Venkata , Jaimandeep Singh , Chester Rebeiro

This paper investigates how to realize better and more efficient embedding learning to tackle the semi-supervised video object segmentation under challenging multi-object scenarios. The state-of-the-art methods learn to decode features with…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Zongxin Yang , Yunchao Wei , Yi Yang

Mobile ad hoc networks (MANETs) are self-configuring infrastructure-less networks comprised of mobile nodes that communicate over wireless links without any central control on a peer-to-peer basis. These individual nodes act as routers to…

Cryptography and Security · Computer Science 2012-03-09 Hamza Aldabbas , Tariq Alwada'n , Helge Janicke , Ali Al-Bayatti

This paper proposes a novel cooperative secure unmanned aerial vehicle (UAV) aided transmission protocol, where a source (Alice) sends confidential information to a destination (Bob) via an energy-constrained UAV-mounted amplify-and-forward…

Information Theory · Computer Science 2019-10-24 Milad Tatar Mamaghani , Yi Hong

Secure communication between two nodes in a network depends on reliable key management systems that generate and distribute keys between communicating nodes and a secure routing protocol that establishes a route between them. But due to…

Cryptography and Security · Computer Science 2012-05-14 Kamal Kumar Chauhan , Amit Kumar Singh Sanger

In the era of big data, anonymity is recognized as an important attribute in privacy-preserving communications. The existing anonymous authentication and routing are applied at higher layers of networks, ignoring physical layer (PHY) also…

Information Theory · Computer Science 2020-10-20 Zhongxiang Wei , Fan Liu , Christos Masouros , H. Vincent Poor

The Internet of Things (IoT) is a paradigm that can tremendously revolutionize health care thus benefiting both hospitals, doctors and patients. In this context, protecting the IoT in health care against interference, including service…

Cryptography and Security · Computer Science 2017-10-03 Rym Zrelli , Moez Yeddes , Nejib Ben Hadj-Alouane

We consider an Internet of Battlefield Things (IoBT) system consisting of multiple devices that want to securely communicate with each other during a mission in the presence of an adversary with unbounded computational power. The adversary…

Cryptography and Security · Computer Science 2025-08-05 Mohammad Moltafet , Hamid R. Sadjadpour , Zouheir Rezki

We consider the communication scenario where K transmitters are each connected to a common receiver with an orthogonal noiseless link. One of the transmitters has a message for the receiver, who is prohibited from learning anything in the…

Information Theory · Computer Science 2018-04-05 Hua Sun

In this paper, we present a novel encryption-less algorithm to enhance security in transmission of data packets across mobile ad hoc networks. The paper hinges on the paradigm of multipath routing and exploits the properties of polynomials.…

Cryptography and Security · Computer Science 2011-12-12 Rangarajan A. Vasudevan , Sugata Sanyal

Motivated by the applications of secure multiparty computation as a privacy-protecting data analysis tool, and identifying oblivious transfer as one of its main practical enablers, we propose a practical realization of randomized quantum…