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Related papers: A DSA-like digital signature protocol

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We analyse the security of some variants of the CFS code-based digital signature scheme. We show how the adoption of some code-based hash-functions to improve the efficiency of CFS leads to the ability of an attacker to produce a forgery…

Cryptography and Security · Computer Science 2024-02-07 Giuseppe D'Alconzo , Alessio Meneghetti , Paolo Piasenti

A designated verifier signature scheme allows a signer to generate a signature that only the designated verifier can verify. This paper proposes multi-signer strong designated multi-verifier signature schemes based on multiple cryptographic…

Cryptography and Security · Computer Science 2022-09-09 Neha Arora , R. K. Sharma

This paper proposes a signature scheme where the signatures are generated by the cooperation of a number of people from a given group of senders and the signatures are verified by a certain number of people from the group of recipients.…

Cryptography and Security · Computer Science 2007-05-23 Sunder lal , Manoj Kumar

A quantum digital signature (QDS) protocol is investigated in respect of an attacker who can impersonate other communicating principals in the style of Lowe's attack on the Needham-Schroeder public-key authentication protocol. A…

Cryptography and Security · Computer Science 2015-09-15 Derrick Newton

In this letter, we proposed a quantum authentication protocol. The authentication process is implemented by the symmetric cryptographic scheme with quantum effects.

Quantum Physics · Physics 2007-05-23 Guihua Zeng , Guangcan Guo

Authenticity of access in very information are very important in the current era of Internet-based technology, there are many ways to secure information from irresponsible parties with various security attacks, some of technique can use for…

According to actual needs, generalized signcryption scheme can flexibly work as an encryption scheme, a signature scheme or a signcryption scheme. In this paper, firstly, we give a security model for identity based generalized signcryption…

Cryptography and Security · Computer Science 2010-04-09 Gang Yu , Xiaoxiao Ma , Yong Shen , Wenbao Han

Digital signatures are the building blocks of modern communication to prevent masquerading by any party other than recipients, repudiation by signatory and forgery by any individual recipient. Digital signature scheme is said to be standard…

Quantum Physics · Physics 2015-12-31 Muhammad Nadeem , Xiaolin Wang

This article presents a new signcryption scheme which is based on the Schnorr digital signature algorithm. The new scheme represents my personal contribution to signcryption area. I have been implemented the algorithm in a program and here…

Cryptography and Security · Computer Science 2012-02-09 Laura Savu

Digital signatures represent a crucial cryptographic asset that must be protected against quantum adversaries. Quantum Digital Signatures (QDS) can offer solutions that are information-theoretically (IT) secure and thus immune to quantum…

Quantum Physics · Physics 2025-08-08 Federico Grasselli , Gaetano Russo , Massimiliano Proietti

Public-key cryptography algorithms, especially elliptic curve cryptography (ECC) and elliptic curve digital signature algorithm (ECDSA) have been attracting attention from many researchers in different institutions because these algorithms…

Cryptography and Security · Computer Science 2019-02-28 Mishall Al-Zubaidie , Zhongwei Zhang , Ji Zhang

In this thesis, we propose some directed signature schemes. In addition, we have discussed their applications in different situations. In this thesis, we would like to discuss the security aspects during the design process of the proposed…

Cryptography and Security · Computer Science 2007-05-23 Manoj Kumar

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

Digital signature algorithms (DSAs) are fundamental to cryptographic security, ensuring data integrity and authentication. While RSA, DSA, ECDSA, and EdDSA are widely used, their performance varies significantly depending on key sizes, hash…

Cryptography and Security · Computer Science 2025-06-02 Sefik Serengil , Alper Ozpinar

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

In this paper we propose a signature scheme based on two intractable problems, namely the integer factorization problem and the discrete logarithm problem for elliptic curves. It is suitable for applications requiring long-term security and…

Cryptography and Security · Computer Science 2015-08-25 Dimitrios Poulakis , Robert Rolland

Digital signature scheme is commonly employed in modern electronic commerce and quantum digital signature (QDS) offers the information-theoretical security by the laws of quantum mechanics against attackers with unreasonable computation…

Quantum Physics · Physics 2019-04-30 Xin Yao , Xu Liu , Rong Xue , Heqing Wang , Hao Li , Zhen Wang , Lixing You , Yidong Huang , Wei Zhang

Guaranteeing nonrepudiation, unforgeability as well as transferability of a signature is one of the most vital safeguards in today's e-commerce era. Based on fundamental laws of quantum physics, quantum digital signature (QDS) aims to…

Quantum Physics · Physics 2016-03-23 Hua-Lei Yin , Yao Fu , Zeng-Bing Chen

We propose a quantum authentication protocol that is robust against the theft of secret keys. In the protocol, disposable quantum passwords prevent impersonation attacks with stolen secret keys. The protocol also prevents the leakage of…

Quantum Physics · Physics 2008-06-09 Masahiro Hotta , Masanao Ozawa

Signatures are primarily used as a mark of authenticity, to demonstrate that the sender of a message is who they claim to be. In the current digital age, signatures underpin trust in the vast majority of information that we exchange,…

Cryptography and Security · Computer Science 2020-09-28 K. Longmate , E. M. Ball , E. Dable-Heath , R. J. Young