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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

The authentication field is evolving towards mechanisms able to keep users continuously authenticated without the necessity of remembering or possessing authentication credentials. While existing continuous authentication systems have…

The advancement of low-altitude intelligent networks enables unmanned aerial vehicle (UAV) interconnection via flying ad-hoc networks (FANETs), offering flexibility and decentralized coordination. However, resource constraints, dynamic…

Cryptography and Security · Computer Science 2025-09-23 Yao Wu , Ziye Jia , Qihui Wu , Yian Zhu

Anonymous Single-Sign-On authentication schemes have been proposed to allow users to access a service protected by a verifier without revealing their identity which has become more important due to the introduction of strong privacy…

Cryptography and Security · Computer Science 2018-04-20 Jinguang Han , Liqun Chen , Steve Schneider , Helen Treharne , Stephan Wesemeyer

Multi-signcryption is used when different senders wants to authenticate a single message without revealing it. This paper proposes a multi signcryption scheme in which no pairing is computed on the signcryption stage and the signatures can…

Cryptography and Security · Computer Science 2009-09-09 Munendra Agrawal , Prashant Kushwah , Sunder Lal

We study the problem of efficiently disseminating authenticated blockchain information from blockchain nodes (servers) to Internet of Things (IoT) devices, through a wireless base station (BS). In existing blockchain protocols, upon…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-11 Pietro Danzi , Anders E. Kalør , Čedomir Stefanović , Petar Popovski

In this paper, we will study Lee, Kim and Yoo, a verifier password typed key agreement scheme and demonstrate that the scheme is not secure. Then, the authors will propose an enhanced verifier typed key agreement scheme relied on Lee, Kim…

Cryptography and Security · Computer Science 2010-02-08 Sattar J Aboud

The use of passwords and the need to protect passwords are not going away. The majority of websites that require authentication continue to support password authentication. Even high-security applications such as Internet Banking portals,…

Networking and Internet Architecture · Computer Science 2020-11-13 Teik Guan Tan , Pawel Szalachowski , Jianying Zhou

The standardized Authentication and Key Agreement protocol for 5G networks (5G AKA) have several security and privacy vulnerabilities. In this paper, we propose a novel authentication and key agreement protocol for 5G and beyond that is…

Cryptography and Security · Computer Science 2024-10-29 Mohamed Taoufiq Damir , Tommi Meskanen , Sara Ramezanian , Valtteri Niemi

Traditional user authentication involves entering a username and password into a system. Strong authentication security demands, among other requirements, long, frequently hard-to-remember passwords. Two-factor authentication aids in the…

Cryptography and Security · Computer Science 2015-04-28 Marcos Portnoi , Chien-Chung Shen

In 2002, Chien–Jan–Tseng introduced an efficient remote user authentication scheme using smart cards. Further, in 2004, W. C. Ku and S. M. Chen proposed an efficient remote user authentication scheme using smart cards to solve…

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

We consider the problem of secure identification: user U proves to server S that he knows an agreed (possibly low-entropy) password w, while giving away as little information on w as possible, namely the adversary can exclude at most one…

Quantum Physics · Physics 2009-08-05 Ivan Damgaard , Serge Fehr , Louis Salvail , Christian Schaffner

Authentication is the first defence mechanism in many electronic systems, including Internet of Things (IoT) applications, as it is essential for other security services such as intrusion detection. As existing authentication solutions…

Cryptography and Security · Computer Science 2023-07-10 Salem AlJanah , Ning Zhang , Siok Wah Tay

We introduce LOCATHE (Location-Enhanced Authenticated Key Exchange), a generic protocol that pools location, user attributes, access policy and desired services into a multi-factor authentication, allowing two peers to establish a secure,…

Cryptography and Security · Computer Science 2016-02-18 Marcos Portnoi , Chien-Chung Shen

In several critical military missions, more than one decision level are involved. These decision levels are often independent and distributed, and sensitive pieces of information making up the military mission must be kept hidden from one…

Cryptography and Security · Computer Science 2019-12-03 Jaouhar Fattahi , Mohamed Mejri , Marwa Ziadia , Ouejdene Samoud , Elies Ghayoula , Emil Pricop

In 2013, Tsai et al. cryptanalyzed Yeh et al. scheme and shown that Yeh et al., scheme is vulnerable to various cryptographic attacks and proposed an improved scheme. In this poster we will show that Tsai et al., scheme is also vulnerable…

Cryptography and Security · Computer Science 2014-01-24 Vorugunti Chandra Sekhar , Mrudula Sarvabhatla

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

The problem of Oblivious RAM (ORAM) has traditionally been studied in a single-server setting, but more recently the multi-server setting has also been considered. Yet it is still unclear whether the multi-server setting has any inherent…

Cryptography and Security · Computer Science 2018-09-05 T-H. Hubert Chan , Jonathan Katz , Kartik Nayak , Antigoni Polychroniadou , Elaine Shi

Existing fuzzy extractors and similar methods provide an effective way for extracting a secret key from a user's biometric data, but are susceptible to impersonation attack: once a valid biometric sample is captured, the scheme is no longer…

Cryptography and Security · Computer Science 2024-05-21 Hong Yen Tran , Jiankun Hu , Wen Hu

Secure Multiparty Computation (MPC) can improve the security and privacy of data owners while allowing analysts to perform high quality analytics. Secure aggregation is a secure distributed mechanism to support federated deep learning…

Cryptography and Security · Computer Science 2022-05-04 Timothy Stevens , Joseph Near , Christian Skalka