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With the rapid development of the image generation technologies, the malicious abuses of the GAN-generated fingerprint images poses a significant threat to the public safety in certain circumstances. Although the existing universal deep…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Hui Miao , Yuanfang Guo , Yunhong Wang

Recently, two certificateless three-party authenticated key agreement protocols were proposed, and both protocols were claimed they can meet the desirable security properties including forward security, key compromise impersonation…

Cryptography and Security · Computer Science 2013-01-23 Haiyan Sun , Qiaoyan Wen , Hua Zhang , Zhengping Jin , Wenmin Li

An authentic digital signature scheme based on the correlation of Greenberger-Horne-Zeilinger (GHZ) states was presented. In this scheme, by performing a local unitary operation on the third particles of each GHZ triplet, Alice can encode…

Quantum Physics · Physics 2007-05-23 Wen Xiao-jun , Liu Yun

Quantum digital signatures (QDSs) can provide information-theoretic security of messages against forgery and repudiation. Compared with previous QDS protocols that focus on signing one-bit messages, hash function-based QDS protocols can…

Quantum Physics · Physics 2024-02-08 Ji-Qian Qin , Zong-Wen Yu , Xiang-Bin Wang

Language models now routinely produce text that is difficult to distinguish from human writing, raising the need for robust tools to verify content provenance. Watermarking has emerged as a promising countermeasure, with existing work…

Cryptography and Security · Computer Science 2026-02-18 Huijia Lin , Kameron Shahabi , Min Jae Song

Digital signatures are a powerful cryptographic tool widely employed across various industries for securely authenticating the identity of a signer during communication between signers and verifiers. While quantum digital signatures have…

Quantum Physics · Physics 2025-03-11 Wusheng Wang , Masahito Hayashi

Motivated by the rise of quantum computers, existing public-key cryptosystems are expected to be replaced by post-quantum schemes in the next decade in billions of devices. To facilitate the transition, NIST is running a standardization…

Cryptography and Security · Computer Science 2022-03-02 Saad Islam , Koksal Mus , Richa Singh , Patrick Schaumont , Berk Sunar

Biometrics deals with identity verification of an individual by using certain physiological or behavioral features associated with a person. Biometric identification systems using fingerprints patterns are called AFIS (Automatic Fingerprint…

Cryptography and Security · Computer Science 2010-05-25 Najme Zehra , Mansi Sharma , Somya Ahuja , Shubha Bansal

Despite significant research and engineering efforts, many of today's important computer systems suffer from bugs. To increase the reliability of software systems, recent work has applied formal verification to certify the correctness of…

Cryptography and Security · Computer Science 2020-12-16 Daniel W. Song , Konstantinos Mamouras , Ang Chen , Nathan Dautenhahn , Dan S. Wallach

Identity verification based on authenticity assessment of a handwritten signature is an important issue in biometrics. There are many effective methods for signature verification taking into account dynamics of a signing process. Methods…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Krzysztof Cpalka , Marcin Zalasinski , Leszek Rutkowski

In order to counter forgeries of tickets for public transport or mass events, a method to validate them, using printed unique random pattern markers was developed. These markers themselves are unforgeable by their physically random…

Cryptography and Security · Computer Science 2018-09-05 Stefan Marksteiner

In 2005, Yang, Wang, and Chang proposed an improved timestamp-based password authentication scheme in an attempt to overcome the flaws of Yang-Shieh_s legendary timestamp-based remote authentication scheme using smart cards. After analyzing…

Cryptography and Security · Computer Science 2008-12-18 Al-Sakib Khan Pathan , Choong Seon Hong

We present SMAUG (Secure Mobile Authentication Using Gestures), a novel biometric assisted authentication algorithm for mobile devices that is solely based on data collected from multiple sensors that are usually installed on modern devices…

Cryptography and Security · Computer Science 2017-08-17 Christian A. Gorke , Frederik Armknecht

Strongly unforgeable signature schemes provide a more stringent security guarantee than the standard existential unforgeability. It requires that not only forging a signature on a new message is hard, it is infeasible as well to produce a…

Quantum Physics · Physics 2015-09-11 Edward Eaton , Fang Song

This paper is a proof-of-concept demonstration for a specific digital signatures vulnerability that shows the ineffectiveness of the WYSIWYS (What You See Is What You Sign) concept. The algorithm is fairly simple: the attacker generates a…

Cryptography and Security · Computer Science 2012-01-04 Dan-Sabin Popescu

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

Ensuring the correctness of distributed system implementations remains a challenging and largely unaddressed problem. In this paper we present a protocol that can be used to certify the safety of consensus implementations. Our proposed…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-03-11 Aurojit Panda

Digital signatures provide scalable authentication with non-repudiation and are vital tools for the Internet of Things (IoT). Many IoT applications harbor vast quantities of resource-limited devices often used with cloud computing. However,…

Cryptography and Security · Computer Science 2026-01-08 Saif E. Nouma , Attila A. Yavuz

Digital signatures prove key possession, not authorship. An author who generates text with AI, constructs intermediate document states post-hoc, and signs each hash produces a signature chain indistinguishable from genuine composition. We…

Cryptography and Security · Computer Science 2026-02-03 David Condrey

In this paper, an efficient arbitrated quantum signature scheme is proposed by combining quantum cryptographic techniques and some ideas in classical cryptography. In the presented scheme, the signatory and the receiver can share a…

Quantum Physics · Physics 2020-06-16 Qin Li , Chengqing Li , Chunhui Wu , Dongyang Long , Changji Wang