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Anonymity in networked communication is vital for many privacy-preserving tasks. Secure key distribution alone is insufficient for high-security communications, often knowing who transmits a message to whom and when must also be kept hidden…

We reconsider and modify the second secure multi-party quantum addition protocol proposed in our original work. We show that the protocol is an anonymous multi-party quantum addition protocol rather than a secure multi-party quantum…

Quantum Physics · Physics 2021-10-27 Zhaoxu Ji , Peiru Fan , Atta Ur Rahman , Huanguo Zhang

Most of the security services in the connected world of cyber-physical systems necessitate authenticating a large number of nodes privately. In this paper, the private authentication problem is considered which consists of a certificate…

Information Theory · Computer Science 2022-09-13 Narges Kazempour , Mahtab Mirmohseni , Mohammad Reza Aref

Security and privacy are the inherent problems in RFID communications. There are several protocols have been proposed to overcome those problems. Hash chain is commonly employed by the protocols to improve security and privacy for RFID…

Cryptography and Security · Computer Science 2010-08-17 Irfan Syamsuddin , Tharam Dillon , Elizabeth Chang , Song Han

In order to perform Quantum Cryptography procedures it is often essencial to ensure that the parties of the communication are authentic. Such task is accomplished by quantum authentication protocols which are distributed algorithms based on…

Information Theory · Computer Science 2011-05-27 Elloá B. Guedes , Francisco Marcos de Assis

A recently proposed authenticated key agreement protocol is shown to be insecure. In particular, one of the two parties is not authenticated, allowing an active man in the middle opponent to replay old messages. The protocol is essentially…

Cryptography and Security · Computer Science 2019-06-25 Chris J Mitchell

This paper develops a novel framework for sharing secret keys using the well-known Automatic Repeat reQuest (ARQ) protocol. The proposed key sharing protocol does not assume any prior knowledge about the channel state information (CSI),…

Information Theory · Computer Science 2009-08-04 Mohamed Abdel Latif , Ahmed Sultan , Hesham El Gamal

This paper develops a novel framework for sharing secret keys using existing Automatic Repeat reQuest (ARQ) protocols. Our approach exploits the multi-path nature of the wireless environment to hide the key from passive eavesdroppers. The…

Information Theory · Computer Science 2008-10-09 Mohamed Abdel Ghany , Ahmed Sultan , Hesham El Gamal

This paper investigates on the problem of combining routing scheme and physical layer security in multihop wireless networks with cooperative diversity. We propose an ad-hoc natured hop-by-hop best secure relay selection in a multihop…

Information Theory · Computer Science 2018-07-20 Anish Prasad Shrestha , Kyung Sup Kwak

Confidentiality, integrity and authentication are more relevant issues in Ad hoc networks than in wired fixed networks. One way to address these issues is the use of symmetric key cryptography, relying on a secret key shared by all members…

Cryptography and Security · Computer Science 2016-08-16 Raghav Bhaskar , Paul Mühlethaler , Daniel Augot , Cdric Adjih , Saadi Boudjit , Anis Laouiti

Many users would prefer the privacy of end-to-end encryption in their online communications if it can be done without significant inconvenience. However, because existing key distribution methods cannot be fully trusted enough for automatic…

Cryptography and Security · Computer Science 2013-12-02 Stuart Heinrich

This paper describes a new password-based mutual authentication protocol for Web systems which prevents various kinds of phishing attacks. This protocol provides a protection of user's passwords against any phishers even if dictionary…

Cryptography and Security · Computer Science 2009-11-30 Yutaka Oiwa , Hajime Watanabe , Hiromitsu Takagi

A secure human identification protocol aims at authenticating human users to a remote server when even the users' inputs are not hidden from an adversary. Recently, the authors proposed a human identification protocol in the RSA Conference…

Cryptography and Security · Computer Science 2007-05-23 Hassan Jameel , Heejo Lee , Sungyoung Lee

Though appropriate for core Internet infrastructure, the Internet Protocol is unsuited to routing within and between emerging ad-hoc edge networks due to its dependence on hierarchical, administratively assigned addresses. Existing ad-hoc…

Networking and Internet Architecture · Computer Science 2007-05-23 Bryan Ford

This paper presents a privacy-preserving protocol for identity registration and information sharing in federated authentication systems. The goal is to enable Identity Providers (IdPs) to detect duplicate or fraudulent identity enrollments…

Cryptography and Security · Computer Science 2025-12-02 Francesco Buccafurri , Carmen Licciardi

Reliable communication is a fundamental distributed communication abstraction that allows any two nodes of a network to communicate with each other. It is necessary for more powerful communication primitives, such as broadcast and…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-16 Rowdy Chotkan , Bart Cox , Vincent Rahli , Jérémie Decouchant

Anonymous credentials (ACs) are a crucial cryptographic tool for privacy-preserving authentication in decentralized networks, allowing holders to prove eligibility without revealing their identity. However, a major limitation of standard…

Cryptography and Security · Computer Science 2025-12-24 Bin Xie , Rui Song , Xuyuan Cai

Secure Shell (SSH) protocol requires all implementations to support public key authentication method ("publickey") for authentication purposes, so web applications which provide a SSH client over the web browser need to support "publickey".…

Cryptography and Security · Computer Science 2015-06-17 Dorai Ashok Shanmugavel Anbalagan

This paper addresses an interesting security problem in wireless ad hoc networks: the Dynamic Group Key Agreement key establishment. For secure group communication in an Ad hoc network, a group key shared by all group members is required.…

Cryptography and Security · Computer Science 2010-07-02 Krishnan Kumar , Nafeesa Begum J , V. Sumathy

As 5G networks expand into critical infrastructure, secure and efficient user authentication is more important than ever. The 5G-AKA protocol, standardized by 3GPP in TS 33.501, is central to authentication in current 5G deployments. It…

Cryptography and Security · Computer Science 2025-07-29 Nazatul H. Sultan , Xinlong Guan , Josef Pieprzyk , Wei Ni , Sharif Abuadbba , Hajime Suzuki