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Strong designated verifier signature schemes rely on sender-privacy to hide the identity of the creator of a signature to all but the intended recipient. This property can be invaluable in, for example, the context of deniability, where the…

Cryptography and Security · Computer Science 2021-07-14 Jeroen van Wier

An Intrusion Detection System (IDS) aims to alert users of incoming attacks by deploying a detector that monitors network traffic continuously. As an effort to increase detection capabilities, a set of independent IDS detectors typically…

Cryptography and Security · Computer Science 2020-02-19 Guntur Dharma Putra , Volkan Dedeoglu , Salil S Kanhere , Raja Jurdak

Quantum Key Distribution (QKD) leverages the principles of quantum mechanics to provide theoretically unconditional security for cryptographic key sharing. However, practical implementations remain vulnerable due to non-ideal devices and…

Quantum Physics · Physics 2025-08-22 Cong Jiang , Xiao-Long Hu , Zong-Wen Yu , Hai Xu , Xiang-Bin Wang

Today, all types of digital signature schemes emphasis on secure and best verification methods. Different digital signature schemes are used in order for the websites, security organizations, banks and so on to verify user's validity.…

Cryptography and Security · Computer Science 2014-04-11 Mehran Alidoost Nia , Ali Sajedi , Aryo Jamshidpey

A single-photon entangled state (or single-particle entangled state (SPES) in general) can offer a more secure way of encoding and processing quantum information than their multi-photon (or multi-particle) counterparts. The SPES generated…

Quantum Physics · Physics 2024-12-03 Dinesh Kumar Panda , Colin Benjamin

Traditional financial institutions face inefficiencies that can be addressed by distributed ledger technology. However, a primary barrier to adoption is the privacy concerns surrounding publicly available transaction data. Existing private…

Cryptography and Security · Computer Science 2026-03-06 Yeoh Wei Zhu , Naresh Goud Boddu , Yao Ma , Shaltiel Eloul , Giulio Golinelli , Yash Satsangi , Rob Otter , Kaushik Chakraborty

Signing quantum messages has long been considered impossible even under computational assumptions. In this work, we challenge this notion and provide three innovative approaches to sign quantum messages that are the first to ensure…

Quantum Physics · Physics 2026-01-28 Mohammed Barhoush , Louis Salvail

Quantum secret sharing (QSS) enables a dealer to securely distribute keys to multiple players. Device-independent (DI) QSS can resist all possible attacks from practical imperfect devices and provide QSS the highest level of security in…

The use of features extracted using a deep convolutional neural network (CNN) combined with a writer-dependent (WD) SVM classifier resulted in significant improvement in performance of handwritten signature verification (HSV) when compared…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Victor L. F. Souza , Adriano L. I. Oliveira , Robert Sabourin

Post-quantum cryptography-PQC- aims to develop public-key primitives that are secure against adversaries using classical and quantum computing technologies. This study introduces novel protocols, a key encapsulation mechanism, a digital…

Cryptography and Security · Computer Science 2026-01-05 Juan Pedro Hecht , Hugo Daniel Scolnik

Safeguarding online communications using public key cryptography is a well-established practice today, but with the increasing reliance on `faceless', solely online entities one of the core aspects of public key cryptography is becoming a…

Cryptography and Security · Computer Science 2011-10-12 Alexander Zangerl

Online signature verification technologies, such as those available in banks and post offices, rely on dedicated digital devices such as tablets or smart pens to capture, analyze and verify signatures. In this paper, we suggest a novel…

Cryptography and Security · Computer Science 2016-12-20 Ben Nassi , Alona Levy , Yuval Elovici , Erez Shmueli

The EPCglobal network is a computer network which allows supply chain companies to search for their unknown partners globally and share information stored in product RFID tags with each other. Although there have been quite a number of…

Cryptography and Security · Computer Science 2015-09-21 Roy Ka-Wei Lee , Yingjiu Li

Detector-device-independent quantum key distribution (ddiQKD) held the promise of being robust to detector side-channels, a major security loophole in QKD implementations. In contrast to what has been claimed, however, we demonstrate that…

Quantum Physics · Physics 2016-12-21 Shihan Sajeed , Anqi Huang , Shihai Sun , Feihu Xu , Vadim Makarov , Marcos Curty

Offline signature verification (OSV) is a frequently utilized technology in forensics. This paper proposes a new model, DetailSemNet, for OSV. Unlike previous methods that rely on holistic features for pair comparisons, our approach…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Meng-Cheng Shih , Tsai-Ling Huang , Yu-Heng Shih , Hong-Han Shuai , Hsuan-Tung Liu , Yi-Ren Yeh , Ching-Chun Huang

We present a quantum digital signature scheme whose security is based on fundamental principles of quantum physics. It allows a sender (Alice) to sign a message in such a way that the signature can be validated by a number of different…

Quantum Physics · Physics 2007-05-23 Daniel Gottesman , Isaac Chuang

Two deterministic secure quantum communication schemes are proposed, one based on pure entangled states and the other on $d$-dimensional single-photon states. In these two schemes, only single-photon measurements are required for the two…

Quantum Physics · Physics 2007-05-23 Xi-Han Li , Fu-Guo Deng , Chun-Yan Li , Yu-Jie Liang , Ping Zhou , Hong-Yu Zhou

Currently there is an active Post-Quantum Cryptography (PQC) solutions search, which attempts to find cryptographic protocols resistant to attacks by means of for instance Shor polynomial time algorithm for numerical field problems like…

Cryptography and Security · Computer Science 2017-04-25 Pedro Hecht

The signcryption is a relatively new cryptographic technique that is supposed to fulfill the functionalities of encryption and digital signature in a single logical step. Although several signcryption schemes are proposed over the years,…

Cryptography and Security · Computer Science 2012-03-21 M. Toorani , A. A. Beheshti

Most quantum key distribution (QKD) protocols can be classified as either a discrete-variable (DV) protocol or continuous-variable (CV) protocol, based on how classical information is being encoded. We propose a protocol that combines the…