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Related papers: A Directed -Threshold Multi-Signature Scheme

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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

In this paper, we describe an attack against one of the Oblivious-Transfer-based blind signatures scheme, proposed in [1]. An attacker with a primitive capability of producing specific-range random numbers, while exhibiting a partial MITM…

Cryptography and Security · Computer Science 2009-11-10 Stylianos Basagiannis , Panagiotis Katsaros , Andrew Pombortsis

In multiple testing scenarios, typically the sign of a parameter is inferred when its estimate exceeds some significance threshold in absolute value. Typically, the significance threshold is chosen to control the experimentwise type I error…

Methodology · Statistics 2018-01-03 Chaoyu Yu , Peter D. Hoff

Digital signatures are crucial for securing Central Bank Digital Currencies (CBDCs) transactions. Like most forms of digital currencies, CBDC solutions rely on signatures for transaction authenticity and integrity, leading to major issues…

Cryptography and Security · Computer Science 2026-05-06 Mostafa Abdelrahman , Filip Rezabek , Lars Hupel , Kilian Glas , Georg Carle

We propose an adaptive threshold multi secret sharing scheme based solely on cryptographically secure hash functions. We show that the proposed scheme is also: perfect, ideal, verifiable, and proactive. Moreover the proposed scheme has a…

Cryptography and Security · Computer Science 2023-02-07 M. Andrecut

Tardos codes are currently the state-of-the-art in the design of practical collusion-resistant fingerprinting codes. Tardos codes rely on a secret vector drawn from a publicly known probability distribution in order to generate each Buyer's…

Cryptography and Security · Computer Science 2010-10-14 Ana Charpentier , Caroline Fontaine , Teddy Furon , Ingemar Cox

We present a proxy signature scheme using bilinear pairings that provides effective proxy revocation. The scheme uses a binding-blinding technique to avoid secure channel requirements in the key issuance stage. With this technique, the…

Cryptography and Security · Computer Science 2007-12-20 Manik Lal Das , Ashutosh Saxena , Deepak B Phatak

Threshold cryptography is a powerful and well-known technique with many applications to systems relying on distributed trust. It has recently emerged also as a solution to challenges in blockchain: frontrunning prevention, managing wallet…

Cryptography and Security · Computer Science 2025-02-06 Mariarosaria Barbaraci , Noah Schmid , Orestis Alpos , Michael Senn , Christian Cachin

Key substitution vulnerable signature schemes are signature schemes that permit an intruder, given a public verification key and a signed message, to compute a pair of signature and verification keys such that the message appears to be…

Cryptography and Security · Computer Science 2007-10-31 Yannick Chevalier , Mounira Kourjieh

Signature-based detectors for hyperspectral target detection rely on knowing the specific target signature in advance. However, target signature are often difficult or impossible to obtain. Furthermore, common methods for obtaining target…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Changzhe Jiao , Alina Zare

A proxy signature scheme allows a proxy signer to sign messages on behalf of an original signer. Proxy signature schemes have found numerous practical applications such as grid computing, mobile agent systems and cloud applications.…

Cryptography and Security · Computer Science 2012-02-14 Miaomiao Tian , Liusheng Huang

The concept of universal designated verifier signatures was introduced by Steinfeld, Bull, Wang and Pieprzyk at Asiacrypt 2003. These signatures can be used as standard publicly verifiable digital signatures but have an additional…

Cryptography and Security · Computer Science 2008-02-11 Damien Vergnaud

This paper considers malleable digital signatures, for situations where data is modified after it is signed. They can be used in applications where either the data can be modified (collaborative work), or the data must be modified…

Cryptography and Security · Computer Science 2022-08-02 Thais Bardini Idalino , Lucia Moura , Carlisle Adams

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. The objective of signature verification systems is to discriminate if a given signature is genuine…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Documents are largely stored and shared digitally. Yet, digital documents are still commonly signed using (copies of) handwritten signatures, which are sensitive to fraud. Though secure, cryptography-based signature solutions exist, they…

Human-Computer Interaction · Computer Science 2024-10-10 Yorick Last , Jorrit Geels , Hanna Schraffenberger

Currently used digital signatures based on asymmetric cryptography will be vulnerable to quantum computers running Shor's algorithm. In this work, we propose a new quantum-assisted digital signature protocol based on symmetric keys…

To solve time inefficiency issue, only potential pairs are compared in string-matching-based source code plagiarism detection; wherein potentiality is defined through a fast-yet-order-insensitive similarity measurement (adapted from…

Software Engineering · Computer Science 2018-10-30 Oscar Karnalim , Lisan Sulistiani

A broadcasting multiple blind signature scheme based on quantum GHZ entanglement has been presented recently by Tian et al. It is said that the scheme's unconditional security is guaranteed by adopting quantum key preparation, quantum…

Quantum Physics · Physics 2017-04-04 Wei Zhang , Daowen Qiu , Xiangfu Zou , Paulo Mateus

Multi-receiver authentication codes allow one sender to construct an authenticated message for a group of receivers such that each receiver can verify authenticity of the received message. In this paper, we constructed one multi-receiver…

Information Theory · Computer Science 2013-02-19 Xiuli Wang

In this work, we introduce a strong Designated Verifier Signature (DVS) scheme that incorporates a message recovery mechanism inspired by the concept of the Universal Designated Verifier Signature (UDVS) scheme. It is worth noting that…

Cryptography and Security · Computer Science 2024-12-03 Hong-Sheng Huang , Yu-Lei Fu , Han-Yu Lin