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Continuous Authentication (CA) has been proposed as a potential solution to counter complex cybersecurity attacks that exploit conventional static authentication mechanisms that authenticate users only at an ingress point. However, widely…

Cryptography and Security · Computer Science 2020-10-13 Syed W. Shah , Naeem F. Syed , Arash Shaghaghi , Adnan Anwar , Zubair Baig , Robin Doss

Road network is employed for exchanging the information among the vehicles where accidents and traffic information can be delivered, or receive services by an infrastructure. Although wireless communication systems yield an efficient…

Cryptography and Security · Computer Science 2017-06-09 Imran Memon , Hina Memon

Emerging communication networks are envisioned to support massive wireless connectivity of heterogeneous devices with sporadic traffic and diverse requirements in terms of latency, reliability, and bandwidth. Providing multiple access to an…

Information Theory · Computer Science 2023-04-19 Sajad Daei , Marios Kountouris

Random access is a multiple access communication protocol where the users simultaneously communicate with a base station (BS) in an uncoordinated fashion. In this work, we consider the problem of multiuser detection in a random access…

Information Theory · Computer Science 2016-07-15 Md Mashud Hyder

Passkeys have recently emerged as a passwordless authentication mechanism, yet their usability in captive portals remains unexplored. This paper presents an empirical, comparative usability study of passkeys and passwords in a Wi-Fi hotspot…

Cryptography and Security · Computer Science 2026-03-27 Martiño Rivera-Dourado , Rubén Pérez-Jove , Alejandro Pazos , Jose Vázquez-Naya

In password-based authentication systems, the username fields are essentially unprotected, while the password fields are susceptible to attacks. In this article, we shift our research focus from traditional authentication paradigm to the…

Cryptography and Security · Computer Science 2026-05-06 Suyun Borjigin

In today's technology-driven world, web services have opened up new opportunities for blind and visually impaired people to interact independently. Securing interactions with these services is crucial; however, currently deployed…

Cryptography and Security · Computer Science 2026-03-10 Md Mojibur Rahman Redoy Akanda , Ahmed Tanvir Mahdad , Nitesh Saxena

The Internet of Things (IoT) has improved people's lives by seamlessly integrating into many facets of modern life and facilitating information sharing across platforms. Device Authentication and Key exchange are major challenges for the…

Cryptography and Security · Computer Science 2023-11-08 Chandranshu Gupta , Gaurav Varshney

We propose a capability-based access control technique for sharing Web resources, based on Verifiable Credentials (VCs) and OAuth 2.0. VCs are a secure means for expressing claims about a subject. Although VCs are ideal for encoding…

Cryptography and Security · Computer Science 2021-04-30 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos

As has been widely discussed, the GSM mobile telephony system only offers unilateral authentication of the mobile phone to the network; this limitation permits a range of attacks. While adding support for mutual authentication would be…

Cryptography and Security · Computer Science 2016-07-06 Mohammed Shafiul Alam Khan , Chris J Mitchell

The UAV network has recently emerged as a capable carrier for ubiquitous wireless intelligent communication in the B5G/6G era. Nevertheless, the separation of dual identity raises challenges from the perspective of communication efficiency…

Signal Processing · Electrical Eng. & Systems 2023-07-03 Yanpeng Cui , Zhiyong Feng , Qixun Zhang , Zhiqing Wei , Chenlong Xu , Ping Zhang

Very recently, Barman et al. proposed a multi-server authentication protocol using fuzzy commitment. The authors claimed that their protocol provides anonymity while resisting all known attacks. In this paper, we analyze that Barman et…

Cryptography and Security · Computer Science 2020-04-17 Hafeez Ur Rehman , Anwar Ghani , Shehzad Ashraf Chaudhry , Mohammed H. Alsharif , Narjes Nabipour

Due to the convergence of various mobile access technologies like UMTS, WLAN, and WiMax the need for a new supporting infrastructure arises. This infrastructure should be able to support more efficient ways to authenticate users and…

Cryptography and Security · Computer Science 2007-05-23 Nicolai Kuntze , Andreas U. Schmidt

The rapid adoption of Mobile Money Services (MMS) in Sub-Saharan Africa (SSA) offers a viable path to improve e-Government service accessibility in the face of persistent low internet penetration. However, existing Mobile Money…

Cryptography and Security · Computer Science 2025-09-26 Oluwole Adewusi , Wallace S. Msagusa , Jean Pierre Imanirumva , Okemawo Obadofin , Jema D. Ndibwile

The traditional two-factor authentication (2FA) methods primarily rely on the user manually entering a code or token during the authentication process. This can be burdensome and time-consuming, particularly for users who must be…

Cryptography and Security · Computer Science 2024-01-15 Ali Abdullah S. AlQahtani , Thamraa Alshayeb , Mahmoud Nabil , Ahmad Patooghy

As wireless access technologies grow rapidly, the recent studies have focused on granting mobile users the ability of roaming across different wireless networks in a seamless manner thus offering seamless mobility. The different…

Networking and Internet Architecture · Computer Science 2011-12-30 Hanan Alhazmi , Nadine Akkari

With the rapid advancement of wireless network technology, usage of WSN in real time applications like military, forest monitoring etc. found increasing. Generally WSN operate in an unattended environment and handles critical data.…

Cryptography and Security · Computer Science 2013-11-14 Chandra Sekhar Vorugunti , Mrudula Sarvabhatla

Although the security properties of 3G and 4G mobile networks have significantly improved by comparison with 2G (GSM), significant shortcomings remain with respect to user privacy. A number of possible modifications to 2G, 3G and 4G…

Cryptography and Security · Computer Science 2015-04-14 Mohammed Shafiul Alam Khan , Chris J Mitchell

The pervasiveness of wireless communication recently gave mobile ad hoc networks (MANET) a significant researchers' attention, due to its innate capabilities of instant communication in many time and mission critical applications. However,…

Cryptography and Security · Computer Science 2007-05-23 Tomasz Ciszkowski , Zbigniew Kotulski

Multi-Access or Mobile Edge Computing (MEC) is being deployed by 4G/5G operators to provide computational services at lower latencies. Federating MECs across operators expands capability, capacity, and coverage but gives rise to two issues…

Cryptography and Security · Computer Science 2022-04-12 Asad Ali , Samin Rahman Khan , Sadman Sakib , Md. Shohrab Hossain , Ying-Dar Lin