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A myriad of authentication mechanisms embody a continuous evolution from verbal passwords in ancient times to contemporary multi-factor authentication. Nevertheless, digital asset heists and numerous identity theft cases illustrate the…

Cryptography and Security · Computer Science 2024-06-27 Marwa Mouallem , Ittay Eyal

With the recent proliferation of distributed systems and networking, remote authentication has become a crucial task in many networking applications. Various schemes have been proposed so far for the two-party remote authentication;…

Cryptography and Security · Computer Science 2015-05-13 Al-Sakib Khan Pathan , Choong Seon Hong

Human memory is not perfect - people constantly memorize new facts and forget old ones. One example is forgetting a password, a common problem raised at IT help desks. We present several protocols that allow a user to automatically recover…

Cryptography and Security · Computer Science 2009-06-26 Łukasz Chmielewski , Jaap-Henk Hoepman , Peter van Rossum

A partial password is a mode of password-based authentication that is widely used, especially in the financial sector. It is based on a challenge-response protocol, where at each login attempt, a challenge requesting characters from…

Cryptography and Security · Computer Science 2017-01-03 Theodosis Mourouzis , Marcin Wojcik , Nikos Komninos

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

In Internet of Things (IoT) systems with security demands, there is often a need to distribute sensitive information (such as encryption keys, digital signatures, or login credentials, etc.) among the devices, so that it can be retrieved…

Cryptography and Security · Computer Science 2019-11-28 Lake Bu , Mihailo Isakov , Michel A. Kinsy

Accurate and tamper-resistant timestamps are essential for applications demanding verifiable chronological ordering, such as legal documentation and digital intellectual property protection. Classical timestamp protocols rely on…

Quantum Physics · Physics 2025-07-24 Ming-Yang Li , Chen-Xun Weng , Wen-Bo Liu , Mengya Zhu , Zeng-Bing Chen

We propose pretty simple password-authenticated key-exchange protocol which is based on the difficulty of solving DDH problem. It has the following advantages: (1) Both $y_1$ and $y_2$ in our protocol are independent and thus they can be…

Cryptography and Security · Computer Science 2007-05-23 Kazukuni Kobara , Hideki Imai

Security of financial transaction in e-commerce is difficult to implement and there is a risk that users confidential data over the internet may be accessed by hackers. Unfortunately, interacting with an online service such as a banking web…

Cryptography and Security · Computer Science 2014-05-20 Safa Hamdare , Varsha Nagpurkar , Jayashri Mittal

Traditional text-based password schemes are inherently weak. Users tend to choose passwords that are easy to remember, making them susceptible to various attacks that have matured over the years. ObPwd [5] has tried to address these issues…

Cryptography and Security · Computer Science 2018-01-23 Sufian Hameed , Lamak Qaizar , Shankar Khatri

Encrypted cloud storage services are steadily increasing in popularity, with many commercial solutions currently available. In such solutions, the cloud storage is trusted for data availability, but not for confidentiality. Additionally,…

Cryptography and Security · Computer Science 2020-10-28 Anders Dalskov , Daniele Lain , Enis Ulqinaku , Kari Kostiainen , Srdjan Capkun

Among the various means of available resource protection including biometrics, password based system is most simple, user friendly, cost effective and commonly used. But this method having high sensitivity with attacks. Most of the advanced…

Cryptography and Security · Computer Science 2009-10-13 Manoj Kumar Singh

Cryptographic access control has been studied for over 30 years and is now a mature research topic. When symmetric cryptographic primitives are used, each protected resource is encrypted and only authorized users should have access to the…

Cryptography and Security · Computer Science 2015-06-02 Jason Crampton , Naomi Farley , Gregory Gutin , Mark Jones , Bertram Poettering

Signing quantum messages has long been considered impossible even under computational assumptions. In this work, we challenge this notion and provide three innovative approaches to sign quantum messages that are the first to ensure…

Quantum Physics · Physics 2026-01-28 Mohammed Barhoush , Louis Salvail

Implicit authentication consists of a server authenticating a user based on the user's usage profile, instead of/in addition to relying on something the user explicitly knows (passwords, private keys, etc.). While implicit authentication…

Cryptography and Security · Computer Science 2015-03-03 Josep Domingo-Ferrer , Qianhong Wu , Alberto Blanco-Justicia

Preservation of information and computer security is broadly dependent on the secured authentication system which is underpinned by password. Text based password is a commonly used and available system for authentication. But it bears many…

Cryptography and Security · Computer Science 2022-05-26 Sanjida Akter Sharna , Sheikh Ashraf Ali

Authentication schemes are practised globally to verify the legitimacy of users and servers for the exchange of data in different facilities. Generally, the server verifies a user to provide resources for different purposes. But due to the…

Cryptography and Security · Computer Science 2020-04-22 Trupil Limbasiya , Sanjay K. Sahay

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 Precision Time Protocol (PTP) aims to provide highly accurate and synchronised clocks. Its defining standard, IEEE 1588, has a security section ("Annex K") which relies on symmetric-key secrecy. In this paper we present a detailed…

Cryptography and Security · Computer Science 2016-05-26 Eyal Itkin , Avishai Wool

A while ago, I developed what I called an encryption method. The most favorable of reviews did not see a method but a collection of techniques. Be that as it may, the process used, is described in the paper, Windtalking Computers. This…

Cryptography and Security · Computer Science 2013-06-04 Givon Zirkind