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Managing passwords securely and conveniently is still an open problem for many users. Existing research has examined users' password management strategies and identified pain points, such as security concerns, leading to insecure practices.…

Cryptography and Security · Computer Science 2025-10-16 Alexander Ponticello , Filipo Sharevski , Simon Anell , Katharina Krombholz

This paper presents a novel solution to the age long problem of password security at input level. In our solution, each of the various characters from which a password could be composed is encoded with a random single digit integer and…

Cryptography and Security · Computer Science 2012-03-01 A. T. Akinwale , F. T. Ibharalu

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

Formal verification has recently been increasingly used to prove the correctness and security of many applications. It is attractive because it can prove the absence of errors with the same certainty as mathematicians proving theorems.…

Cryptography and Security · Computer Science 2025-09-09 Carolina Carreira , João F. Ferreira , Alexandra Mendes , Nicolas Christin

Despite their well-known security problems, passwords are still the incumbent authentication method for virtually all online services. To remedy the situation, end-users are very often referred to password managers as a solution to the…

Cryptography and Security · Computer Science 2017-12-27 Sanam Ghorbani Lyastani , Michael Schilling , Sascha Fahl , Sven Bugiel , Michael Backes

Metaverse in general holds a potential future for cyberspace. At the beginning of Web 2.0, it was witnessed that people were signing in with various pseudonyms or 'nyms', risking their online identities by increasing presence of fake…

Cryptography and Security · Computer Science 2023-01-06 Sibi Chakkaravarthy Sethuraman , Aditya Mitra , Anisha Ghosh , Gautam Galada , Anitha Subramanian

Web password recovery, enabling a user who forgets their password to re-establish a shared secret with a website, is very widely implemented. However, use of such a fall-back system brings with it additional vulnerabilities to user…

Cryptography and Security · Computer Science 2018-01-31 Fatma Al Maqbali , Chris J Mitchell

Protecting personal computers (PCs) from unauthorized access typically relies on password authentication, which is know to suffer from cognitive burden and weak credentials. As many users nowadays carry mobile devices with advanced security…

Human-Computer Interaction · Computer Science 2025-07-15 Andreas Pramendorfer , Rainhard Dieter Findling

Although there have been many solutions applied, the safety challenges related to the password security mechanism are not reduced. The reason for this is that while the means and tools to support password attacks are becoming more and more…

Cryptography and Security · Computer Science 2019-12-05 Nguyen Hong Son , Ha Thanh Dung

Choosing authentication schemes for a specific purpose is challenging for service providers, developers, and researchers. Previous ratings of technical and objective aspects showed that available schemes all have strengths and limitations.…

Human-Computer Interaction · Computer Science 2022-09-29 Verena Zimmermann , Paul Gerber , Alina Stöver

In 2004, Das, Saxena and Gulati proposed a dynamic ID-based remote user authentication scheme which has many advantage such as no verifier table, user freedom to choose and change password and so on. However the subsequent papers have shown…

Cryptography and Security · Computer Science 2010-07-15 Mohammed Aijaz Ahmed , D. Rajya Lakshmi , Sayed Abdul Sattar

Authentication is a process by which an entity,which could be a person or intended computer,establishes its identity to another entity.In private and public computer networks including the Internet,authentication is commonly done through…

Cryptography and Security · Computer Science 2013-01-11 Maheswara Rao Valluri

The majority of systems rely on user authentication on passwords, but passwords have so many weaknesses and widespread use that easily raise significant security concerns, regardless of their encrypted form. Users hold the same password for…

Cryptography and Security · Computer Science 2021-01-22 Vassilis Papaspirou , Leandros Maglaras , Mohamed Amine Ferrag , Ioanna Kantzavelou , Helge Janicke , Christos Douligeris

As Virtual Reality (VR) expands into fields like healthcare and education, ensuring secure and user-friendly authentication becomes essential. Traditional password entry methods in VR are cumbersome and insecure, making password managers…

Cryptography and Security · Computer Science 2025-03-25 Emiram Kablo , Yorick Last , Patricia Arias Cabarcos , Melanie Volkamer

System passwords serve as critical credentials for user authentication and access control when logging into operating systems or applications. Upon entering a valid password, users pass verification to access system resources and execute…

Cryptography and Security · Computer Science 2026-02-03 Chaofang Shi , Zhongwen Li , Xiaoqi Li

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

In 2004, W. C. Ku and S. M. Chen proposed an efficient remote user authentication scheme using smart cards to solve the security problems of Chien et al.'s scheme. Recently, Hsu and Yoon et al. pointed out the security weaknesses of the Ku…

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

Passwordless authentication was first tested for seamless and secure merchant payments without the use of passwords or pins. It opened a whole new world of authentications giving up the former reliance on traditional passwords. It relied on…

Cryptography and Security · Computer Science 2023-07-17 Aditya Mitra , Anisha Ghosh , Sibi Chakkaravarthy Sethuraman

This paper considers password generators, i.e. systems designed to generate site-specific passwords on demand. Such systems are an alternative to password managers. Over the last 15 years a range of password generator systems have been…

Cryptography and Security · Computer Science 2016-07-18 Fatma AL Maqbali , Chris J Mitchell

User authentication is one of the most important part of information security. Computer security most commonly depends on passwords to authenticate human users. Password authentication systems will be either been usable but not secure, or…

Cryptography and Security · Computer Science 2013-11-19 Gloriya Mathew , Shiney Thomas