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In the distributed environment, authentication and key exchange mechanisms play a major role. In general, for authentication, the client and the server mutually exchange a common cryptographic key. In earlier, passwords were stored on a…

Cryptography and Security · Computer Science 2017-12-14 D Siva Santosh Kumar , Dasari Kalyani

Password updates are a critical account security measure and an essential part of the password lifecycle. Service providers and common security recommendations advise users to update their passwords in response to incidents or as a critical…

Cryptography and Security · Computer Science 2025-11-17 Alexander Krause , Jacques Suray , Lea Schmüser , Marten Oltrogge , Oliver Wiese , Maximilian Golla , Sascha Fahl

The session initiation protocol (SIP) is a powerful signaling protocol that controls communication on the Internet, establishing, maintaining, and terminating the sessions. The services that are enabled by SIP are equally applicable in the…

Cryptography and Security · Computer Science 2011-08-23 Debiao He

In this work we review the security vulnerability of Quantum Cryptography with respect to "man-in-the-middle attacks" and the standard authentication methods applied to counteract these attacks. We further propose a modified authentication…

Quantum Physics · Physics 2007-05-23 M. Peev , M. Nölle , O. Maurhardt , T. Lorünser , M. Suda , A. Poppe , R. Ursin , A. Fedrizzi , A. Zeilinger

In the present day, the requirement of securing electronic cash flow system are increasing significantly. Todays life is so busy that spending a valuable second cost so much. In, such situation if money flow is possible swiftly by just one…

Computers and Society · Computer Science 2013-08-02 Susmita Mandal

Kang et al. [Chin. Phys. B 24 (2015) 090306] proposed a controlled mutual quantum entity authentication protocol. We find that the proposed protocol is not secure, that is, Charlie can eavesdrop the shared keys between Alice and Bob without…

Quantum Physics · Physics 2015-10-07 Gan Gao

In the past two decades, the number of mobile products being created by companies has grown exponentially. However, although these devices are constantly being upgraded with the newest features, the security measures used to protect these…

Cryptography and Security · Computer Science 2024-09-04 Laura Pryor , Rushit Dave , Naeem Seliya , Evelyn R Sowells Boone

Until now, there have been developed many arbitrated quantum signature schemes implemented with a help of a trusted third party. In order to guarantee the unconditional security, most of them take advantage of the optimal quantum one-time…

Quantum Physics · Physics 2015-05-28 Jeong Woon Choi , Ku-Young Chang , Dowon Hong

Recently an attack strategy was proposed by Chau [H. F. Chau, quant-ph/0602099 v3], which was claimed to be able to break all quantum string seal protocols, including the one proposed by He [G. P. He, Int. J. Quant. Inform. 4, 677 (2006)].…

Quantum Physics · Physics 2007-11-19 Guang Ping He

Password authentication is a weak point for security as passwords are easily stolen and a user may ignore the security by using a simple password. Therefore, services increasingly demand a second factor. While this may enhance security, it…

Cryptography and Security · Computer Science 2024-07-24 Anastasia Dimaratos , Daniela Pöhn

Information and computer security is supported largely by passwords which are the principle part of the authentication process. The most common computer authentication method is to use alphanumerical username and password which has…

Cryptography and Security · Computer Science 2009-12-08 Arash Habibi Lashkari , Samaneh Farmand , Dr. Omar Bin Zakaria , Dr. Rosli Saleh

The rapid development of information and network technologies motivates the emergence of various new computing paradigms, such as distributed computing, and edge computing. This also enables more and more network enterprises to provide…

Cryptography and Security · Computer Science 2021-02-01 Jinyong Chen , Reiner Dojen , Anca Jurcut

Text password has served as the most popular method for user authentication so far, and is not likely to be totally replaced in foreseeable future. Password authentication offers several desirable properties (e.g., low-cost, highly…

Cryptography and Security · Computer Science 2022-12-27 Lam Tran , Thuc Nguyen , Changho Seo , Hyunil Kim , Deokjai Choi

With the ubiquitous advancement in smart medical devices and systems, the potential of Remote Patient Monitoring (RPM) network is evolving in modern healthcare systems. The medical professionals (doctors, nurses, or medical experts) can…

Cryptography and Security · Computer Science 2022-11-09 Shafika Showkat Moni , Deepti Gupta

Biometric payment, i.e., biometric authentication implemented in digital payment systems, can reduce memory demands and streamline payment for older adults. However, older adults' perceptions and practices regarding biometric payment remain…

Human-Computer Interaction · Computer Science 2026-02-03 Yue Deng , Changyang He , Bo Li , Yixin Zou

Network & internet security is the burning question of today's world and they are deeply related to each other for secure successful data transmission. Network security approach is totally based on the concept of network security services.…

Cryptography and Security · Computer Science 2015-06-22 Sanjay Majumder , Sanjay Chakraborty , Suman Das

The first step of a secure communication is authenticating legible users and detecting the malicious ones. In the last recent years, some promising schemes proposed using wireless medium network's features, in particular, channel state…

Networking and Internet Architecture · Computer Science 2018-12-18 Amirhossein Yazdani Abyaneh , Ali Hosein Gharari Foumani , Vahid Pourahmadi

This paper modifies Kak's three-stage protocol so that it can guarantee secure transmission of information. Although avoiding man-in-the-middle attack is our primary objective in the introduction of classical authentication inside the…

Cryptography and Security · Computer Science 2007-05-23 Partha Basuchowdhuri

The National Institute of Standards and Technology (NIST) released new guidelines in June of 2017 that recommended new standards for managing and accepting user passwords. Among the new guidelines is a requirement that verifiers should…

Cryptography and Security · Computer Science 2018-05-09 JV Roig

Recently, Tsai et al. (Laser Phys. Lett. 17, 075202, 2020) proposed a lightweight authenticated semi-quantum key distribution protocol for a quantum participant to share a secret key with a classical participant. However, this study points…

Quantum Physics · Physics 2020-10-21 Jun Gu , Tzonelih Hwang
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