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A distributed graph algorithm is basically an algorithm where every node of a graph can look at its neighborhood at some distance in the graph and chose its output. As distributed environment are subject to faults, an important issue is to…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-22 Laurent Feuilloley

Low-cost portable devices capable of capturing signature signals are being increasingly used. Additionally, the social and legal acceptance of the written signature for authentication purposes is opening a range of new applications. We…

Cryptography and Security · Computer Science 2023-01-12 Fernando Alonso-Fernandez , Julian Fierrez-Aguilar , Javier Ortega-Garcia , Joaquin Gonzalez-Rodriguez

Distributed multi-writer atomic registers are at the heart of a large number of distributed algorithms. While enjoying the benefits of atomicity, researchers further explore fast implementations of atomic reigsters which are optimal in…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-26 Kaile Huang , Yu Huang , Hengfeng Wei

Many software products are composed of components integrated from other teams or external parties. Each additional link in a software product's supply chain increases the risk of the injection of malicious behavior. To improve supply chain…

Software Engineering · Computer Science 2025-03-31 Kelechi G. Kalu , Tanya Singla , Chinenye Okafor , Santiago Torres-Arias , James C. Davis

Digital signatures are fundamental cryptographic tools that provide authentication and integrity in digital communications. However, privacy-sensitive applications, such as e-voting and digital cash, require more restrictive verification…

Cryptography and Security · Computer Science 2025-08-19 Farzin Renan

The naive combination of polymorphic effects and polymorphic type assignment has been well known to break type safety. Existing approaches to this problem are classified into two groups: one for restricting how effects are triggered and the…

Programming Languages · Computer Science 2024-05-29 Taro Sekiyama , Takeshi Tsukada , Atsushi Igarashi

Software signing is the most robust method for ensuring the integrity and authenticity of components in a software supply chain. Legacy key-managed signing tools (e.g., OpenPGP) burdened practitioners with key management and signer…

Software Engineering · Computer Science 2026-04-16 Kelechi G. Kalu , Sofia Okorafor , Tanmay Singla , Sophie Chen , Santiago Torres-Arias , James C. Davis

We examine the conditions under which a signed graph contains an edge or a vertex that is contained in a unique negative circle or a unique positive circle. For an edge in a unique signed circle, the positive and negative case require the…

Combinatorics · Mathematics 2017-01-03 Richard Behr

Recent web-based cyber attacks are evolving into a new form of attacks such as private information theft and DDoS attack exploiting JavaScript within a web page. These attacks can be made just by accessing a web site without distribution of…

Cryptography and Security · Computer Science 2015-02-16 JongHun Jung , Hwan-Kuk Kim , Soojin Yoon

An anonymous Single Sign-On (ASSO) scheme allows users to access multiple services anonymously using one credential. We propose a new ASSO scheme, where users can access services anonymously through the use of anonymous credentials and…

Cryptography and Security · Computer Science 2019-04-12 Jinguang Han , Liqun Chen , Steve Schneider , Helen Treharne , Stephan Wesemeyer , Nick Wils

A secure quantum identification system combining a classical identification procedure and quantum key distribution is proposed. Each identification sequence is always used just once and new sequences are ``refuelled'' from a shared provably…

Quantum Physics · Physics 2009-10-31 Miloslav Dusek , Ondrej Haderka , Martin Hendrych , Robert Myska

Many concurrent and distributed systems are safety-critical and therefore have to provide a high degree of assurance. Important properties of such systems are frequently proved on the specification level, but implementations typically…

Logic in Computer Science · Computer Science 2023-08-22 Wolfgang Jeltsch , Javier Díaz

The rapid growth of the Internet of Things (IoT) introduces challenges in secure authentication and delegation due to the limited computational capabilities of devices. Proxy signature schemes offer an effective solution by enabling…

Cryptography and Security · Computer Science 2026-03-31 Somnath Kumar , Kunal Dey , Vikas Srivastava , Sumit Kumar Debnath , Ashok Kumar Das , Shehzad Ashraf Chaudhry

An undeniable signature scheme is type of digital signature where the signer retains control over the signature's verifiability. Therefore with the approval of the signer, only an authenticated verifier can verify the signature. In this…

Cryptography and Security · Computer Science 2024-10-28 Kunal Dey , Mansi Goyal , Bupendra Singh , Aditi Kar Gangopadhyay

A general class of authentication schemes for arbitrary quantum messages is proposed. The class is based on the use of sets of unitary quantum operations in both transmission and reception, and on appending a quantum tag to the quantum…

Quantum Physics · Physics 2015-06-26 Esther Perez , Marcos Curty , David J. Santos , Priscila Garcia-Fernandez

This paper proposes a signature-based approach for solving redundancy allocation problems when component lifetimes are not only heterogeneous but also dependent. The two common schemes for allocations, that is active and standby…

Other Statistics · Statistics 2017-08-24 Mahdi Doostparast

Autonomous systems are often deployed in complex sociotechnical environments, such as public roads, where they must behave safely and securely. Unlike many traditionally engineered systems, autonomous systems are expected to behave…

Robotics · Computer Science 2023-04-27 Georgios Bakirtzis , Steven Carr , David Danks , Ufuk Topcu

Many finance, physics, and engineering phenomena are modeled by continuous-time dynamical systems driven by highly irregular (stochastic) inputs. A powerful tool to perform time series analysis in this context is rooted in rough path theory…

Machine Learning · Computer Science 2023-04-27 Enea Monzio Compagnoni , Anna Scampicchio , Luca Biggio , Antonio Orvieto , Thomas Hofmann , Josef Teichmann

In [3] the authors proposed a new aggregate signature scheme referred to as multiple-TA (trusted authority) one-time identity-based aggregate signature (MTA-OTIBAS). Further, they gave a concrete MTA-OTIBAS scheme. We recall here the…

Cryptography and Security · Computer Science 2015-06-30 Lei Zhang , Qianhong Wu , Josep Domingo-Ferrer , Bo Qin , Chuanyan Hu

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. Several signcryption schemes are proposed throughout the years, each…

Cryptography and Security · Computer Science 2012-03-20 M. Toorani , A. A. Beheshti