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Locimetric authentication is a form of graphical authentication in which users validate their identity by selecting predetermined points on a predetermined image. Its primary advantage over the ubiquitous text-based approach stems from…

Cryptography and Security · Computer Science 2022-04-04 Antonios Saravanos , Dongnanzi Zheng , Stavros Zervoudakis , Donatella Delfino

Among the most challenging traffic-analysis attacks to confound are those leveraging the sizes of objects downloaded over the network. In this paper we systematically analyze this problem under realistic constraints regarding the padding…

Cryptography and Security · Computer Science 2021-08-05 Andrew C. Reed , Michael K. Reiter

Over the years security experts in the field of Information Technology have had a tough time in making passwords secure. This paper studies and takes a careful look at this issue from the angle of philosophy and cognitive science. We have…

Cryptography and Security · Computer Science 2009-09-15 M Atif Qureshi , Arjumand Younus , Arslan Ahmed Khan

The proliferation of open-source software (OSS) has made software supply chains prime targets for attacks like Package Confusion, where adversaries publish malicious packages with names deceptively similar to legitimate ones. To protect…

Software Engineering · Computer Science 2026-04-21 Yu Li , Wei Ma , Zhi Chen , Ye Liu , Lingxiao Jiang , Junyi Tao , Hao Liu , Yongqiang Lyu , Qiang Hu

Homomorphic encryption is a powerful cryptographic tool that enables secure computations on the private data. It evaluates any function for any operation securely on the encrypted data without knowing its corresponding plaintext. For…

Cryptography and Security · Computer Science 2025-09-18 Giovanni Giuseppe Grimaldi

Proper privacy protection in RFID systems is important. However, many of the schemes known are impractical, either because they use hash functions instead of the more hardware efficient symmetric encryption schemes as a efficient…

Cryptography and Security · Computer Science 2010-02-25 Jaap-Henk Hoepman , Rieks Joosten

We propose the object-oriented networking (OON) framework, for meeting the generalized interconnection, mobility and technology integration requirements underlining the Internet. In OON, the various objects that need to be accessed through…

Networking and Internet Architecture · Computer Science 2015-02-27 Panos Georgatsos , Paris Flegkas , Vasilis Sourlas , Leandros Tassiulas

Nowadays, the deployment of deep learning-based applications is an essential task owing to the increasing demands on intelligent services. In this paper, we investigate latency attacks on deep learning applications. Unlike common…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Erh-Chung Chen , Pin-Yu Chen , I-Hsin Chung , Che-rung Lee

A password composition policy restricts the space of allowable passwords to eliminate weak passwords that are vulnerable to statistical guessing attacks. Usability studies have demonstrated that existing password composition policies can…

Cryptography and Security · Computer Science 2013-02-26 Jeremiah Blocki , Saranga Komanduri , Ariel Procaccia , Or Sheffet

Strong passwords are fundamental to the security of password-based user authentication systems. In recent years, much effort has been made to evaluate password strength or to generate strong passwords. Unfortunately, the usability or…

Cryptography and Security · Computer Science 2020-06-25 Yao Cheng , Chang Xu , Zhen Hai , Yingjiu Li

Risk-based authentication (RBA) aims to protect users against attacks involving stolen passwords. RBA monitors features during login, and requests re-authentication when feature values widely differ from previously observed ones. It is…

Cryptography and Security · Computer Science 2022-11-11 Stephan Wiefling , Paul René Jørgensen , Sigurd Thunem , Luigi Lo Iacono

An attacker who breaks into an authentication server and steals all of the cryptographic password hashes is able to mount an offline-brute force attack against each user's password. Offline brute-force attacks against passwords are…

Cryptography and Security · Computer Science 2021-02-02 Wenjie Bai , Jeremiah Blocki

This work focuses on the problem of detection and prevention of stolen and misused secrets (such as private keys) for authentication toward centralized services. We propose a solution for such a problem based on the blockchain-based…

Cryptography and Security · Computer Science 2022-11-08 Jozef Drga , Ivan Homoliak , Juraj Vančo , Martin Perešíni , Petr Hanáček

Passwords are the most widely used method of authentication and password guessing is the essential part of password cracking and password security research. The progress of deep learning technology provides a promising way to improve the…

Cryptography and Security · Computer Science 2024-03-18 Min Jin , Junbin Ye , Rongxuan Shen , Huaxing Lu

Object-centric process mining is emerging as a promising paradigm across diverse industries, drawing substantial academic attention. To support its data requirements, existing object-centric data formats primarily facilitate the exchange of…

Internet of things (IoT) that integrate a variety of devices into networks to provide advanced and intelligent services have to protect user privacy and address attacks such as spoofing attacks, denial of service attacks, jamming and…

Cryptography and Security · Computer Science 2018-01-22 Liang Xiao , Xiaoyue Wan , Xiaozhen Lu , Yanyong Zhang , Di Wu

User profiling is a critical component of adaptive risk-based authentication, yet it raises significant privacy concerns, particularly when handling sensitive data. Profiling involves collecting and aggregating various user features,…

Cryptography and Security · Computer Science 2025-08-05 Yaser Baseri , Abdelhakim Senhaji Hafid , Dimitrios Makrakis

Password-based authentication schemes are the most widely used techniques for remote user authentication. Many static ID-based remote user authentication schemes both with and without smart cards have been proposed. Most of the schemes do…

Cryptography and Security · Computer Science 2016-11-18 Manik Lal Das , Ashutosh Saxena , Ved P. Gulati

We propose a new coded blockchain scheme suitable for the Internet-of-Things (IoT) network. In contrast to existing works for coded blockchains, especially blockchain-of-things, the proposed scheme is more realistic, practical, and secure…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-22 Amirhossein Taherpour , Xiaodong Wang

This paper address a new problem in RFID authentication research for the first time. That is, existing RFID authentication schemes generally assume that the backend server is absolutely secure, however, this assumption is rarely tenable in…

Cryptography and Security · Computer Science 2014-05-01 Wei Xie , Chen Zhang , Quan Zhang , Chaojing Tang
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