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Passwords remain a widely-used authentication mechanism, despite their well-known security and usability limitations. To improve on this situation, next-generation authentication mechanisms, based on behavioral biometric factors such as eye…

Cryptography and Security · Computer Science 2025-05-06 Matin Fallahi , Patricia Arias Cabarcos , Thorsten Strufe

Adversarial attacks on face recognition systems (FRSs) pose serious security and privacy threats, especially when these systems are used for identity verification. In this paper, we propose a novel method for generating adversarial…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Sunpill Kim , Seunghun Paik , Chanwoo Hwang , Minsu Kim , Jae Hong Seo

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

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

The malicious applications of deep forgery, represented by face swapping, have introduced security threats such as misinformation dissemination and identity fraud. While some research has proposed the use of robust watermarking methods to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Yunming Zhang , Dengpan Ye , Caiyun Xie , Long Tang , Chuanxi Chen , Ziyi Liu , Jiacheng Deng

Today, offline attacks are one of the most severe threats to password security. These attacks have claimed millions of passwords from prominent websites including Yahoo, LinkedIn, Twitter, Sony, Adobe and many more. Therefore, as a…

Cryptography and Security · Computer Science 2020-09-15 Harshal Tupsamudre , Sachin Lodha

Password authentication is a common approach to the system security and it is also a very important procedure to gain access to user resources. In the conventional password authentication methods a server has to authenticate the legitimate…

Cryptography and Security · Computer Science 2011-10-10 ASN Chakravarthy , Prof. P S Avadhani

Password authentication using Hopfield Networks is presented in this paper. In this paper we discussed the Hopfield Network Scheme for Textual and graphical passwords, for which input Password will be converted in to probabilistic values.…

Cryptography and Security · Computer Science 2012-07-07 ASN Chakravarthy , P S Avadhani , P. E. S. N Krishna Prasad , N. Rajeevand , D. Rajasekhar Reddy

Cancelable biometric schemes aim at generating secure biometric templates by combining user specific tokens, such as password, stored secret or salt, along with biometric data. This type of transformation is constructed as a composition of…

Cryptography and Security · Computer Science 2022-07-19 Axel Durbet , Pascal Lafourcade , Denis Migdal , Kevin Thiry-Atighehchi , Paul-Marie Grollemund

Human-chosen passwords are the a dominant form of authentication systems. Passwords strength estimators are used to help users avoid picking weak passwords by predicting how many attempts a password cracker would need until it finds a given…

Cryptography and Security · Computer Science 2020-05-06 Liron David , Avishai Wool

As an efficient watermark attack method, geometric distortions destroy the synchronization between watermark encoder and decoder. And the local geometric distortion is a famous challenge in the watermark field. Although a lot of geometric…

Multimedia · Computer Science 2023-02-07 Zehua Ma , Weiming Zhang , Han Fang , Xiaoyi Dong , Linfeng Geng , Nenghai Yu

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

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

Personal devices (e.g. laptops, tablets, and mobile phones) are conventional in daily life and have the ability to store users' private data. The security problems related to these appliances have become a primary concern for both users and…

Cryptography and Security · Computer Science 2017-03-30 Le Ngu Nguyen , Stephan Sigg

Password security can no longer provide enough security in the area of remote user authentication. Considering this security drawback, researchers are trying to find solution with multifactor remote user authentication system. Recently,…

Cryptography and Security · Computer Science 2017-11-06 Hossen Asiful Mustafa , Hasan Muhammad Kafi

The availability of bandwidth for internet access is sufficient enough to communicate digital assets. These digital assets are subjected to various types of threats. [19] As a result of this, protection mechanism required for the protection…

Multimedia · Computer Science 2013-01-23 Mahimn Pandya , Hiren Joshi , Ashish Jani

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

Learning useful representations from unstructured data is one of the core challenges, as well as a driving force, of modern data-driven approaches. Deep learning has demonstrated the broad advantages of learning and harnessing such…

Cryptography and Security · Computer Science 2020-07-28 Dario Pasquini , Ankit Gangwal , Giuseppe Ateniese , Massimo Bernaschi , Mauro Conti

In this paper, a new behavioral biometric password based on haptic interaction is described. This "haptic password" system is built on a device that has a force-sensitive screen. The user authentication process leverages maximal overlap…

Cryptography and Security · Computer Science 2020-10-28 Junjie Yan , Tamara Bonaci , Howard Jay Chizeck

Passwords remain the most widely used form of user authentication, despite advancements in other methods. However, their limitations, such as susceptibility to attacks, especially weak passwords defined by human users, are well-documented.…

Cryptography and Security · Computer Science 2024-02-20 Sam Parker , Haiyue Yuan , Shujun Li