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Considerable attention has been paid to dynamic searchable symmetric encryption (DSSE) which allows users to search on dynamically updated encrypted databases. To improve the performance of real-world applications, recent non-interactive…

Cryptography and Security · Computer Science 2022-12-07 Hanqi Zhang , Chang Xu , Rongxing Lu , Liehuang Zhu , Chuan Zhang , Yunguo Guan

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

We propose SANSCrypt, a novel sequential logic encryption scheme to protect integrated circuits against reverse engineering. Previous sequential encryption methods focus on modifying the circuit state machine such that the correct…

Cryptography and Security · Computer Science 2021-02-12 Yinghua Hu , Kaixin Yang , Shahin Nazarian , Pierluigi Nuzzo

The challenge of achieving passwordless user authentication is real given the prevalence of web applications that keep asking passwords. Complicating this issue further, in an enterprise environment, a single sign-on (SSO) service is often…

Cryptography and Security · Computer Science 2023-10-10 Amin Mahnamfar , Kemal Bicakci , Yusuf Uzunay

Semantic communications have been envisioned as a potential technique that goes beyond Shannon paradigm. Unlike modern communications that provide bit-level security, the eaves-dropping of semantic communications poses a significant risk of…

Information Theory · Computer Science 2024-08-06 Yongkang Li , Zheng Shi , Han Hu , Yaru Fu , Hong Wang , Hongjiang Lei

Data security is of the utmost concern of a communication system. Since the early days, many developments have been made to improve the performance of the system. PSNR of the received signal, secure transmission channel, quality of encoding…

Cryptography and Security · Computer Science 2021-10-27 Venkatesh Subramaniyan , Vignesh Sivakumar , A. K. Vagheesan , S. Sakthivelan , K. J. Jegadish Kumar , K. K. Nagarajan

Passwords, a first line of defense against unauthorized access, must be secure and memorable. However, people often struggle to create secure passwords they can recall. To address this problem, we design Password inspiration by eXploring…

Cryptography and Security · Computer Science 2025-05-01 Shengqian Wang , Amirali Salehi-Abari , Julie Thorpe

Numerical simulations based on particle methods have been widely used in various fields including astrophysics. To date, simulation softwares have been developed by individual researchers or research groups in each field, with a huge amount…

Instrumentation and Methods for Astrophysics · Physics 2018-06-27 Daisuke Namekata , Masaki Iwasawa , Keigo Nitadori , Ataru Tanikawa , Takayuki Muranushi , Long Wang , Natsuki Hosono , Kentaro Nomura , Junichiro Makino

This work presents RiDDLE, short for Reversible and Diversified De-identification with Latent Encryptor, to protect the identity information of people from being misused. Built upon a pre-learned StyleGAN2 generator, RiDDLE manages to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Dongze Li , Wei Wang , Kang Zhao , Jing Dong , Tieniu Tan

The Open Radio Access Network (RAN) is a networking paradigm that builds on top of cloud-based, multi-vendor, open and intelligent architectures to shape the next generation of cellular networks for 5G and beyond. While this new paradigm…

Cryptography and Security · Computer Science 2024-07-26 Joshua Groen , Salvatore DOro , Utku Demir , Leonardo Bonati , Michele Polese , Tommaso Melodia , Kaushik Chowdhury

Recent work suggests that a type of nudge or priming technique called the presentation effect may potentially improve the security of PassPoints-style graphical passwords. These nudges attempt to prime or non-intrusively bias user password…

Cryptography and Security · Computer Science 2021-04-23 Zach Parish , Amirali Salehi-Abari , Julie Thorpe

Retrieval over large codebases is a key component of modern LLM-based software engineering systems. Existing approaches predominantly rely on dense embedding models, while learned sparse retrieval (LSR) remains largely unexplored for code.…

Information Retrieval · Computer Science 2026-03-24 Simon Lupart , Maxime Louis , Thibault Formal , Hervé Déjean , Stéphane Clinchant

Recently, several practical attacks raised serious concerns over the security of searchable encryption. The attacks have brought emphasis on forward privacy, which is the key concept behind solutions to the adaptive leakage-exploiting…

Cryptography and Security · Computer Science 2017-10-03 Xiangfu Song , Changyu Dong , Dandan Yuan , Qiuliang Xu , Minghao Zhao

Risk-based authentication (RBA) extends authentication mechanisms to make them more robust against account takeover attacks, such as those using stolen passwords. RBA is recommended by NIST and NCSC to strengthen password-based…

Cryptography and Security · Computer Science 2023-01-05 Stephan Wiefling , Jan Tolsdorf , Luigi Lo Iacono

It is practically impossible for users to memorize a large portfolio of strong and individual passwords for their online accounts. A solution is to generate passwords randomly and store them. Yet, storing passwords instead of memorizing…

Cryptography and Security · Computer Science 2017-04-27 Moritz Horsch , Johannes Braun , Dominique Metz , Johannes Buchmann

Password-based authentication faces various security and usability issues. Password managers help alleviate some of these issues by enabling users to manage their passwords effectively. However, malicious client-side scripts and browser…

Cryptography and Security · Computer Science 2024-02-12 Anuj Gautam , Tarun Kumar Yadav , Kent Seamons , Scott Ruoti

We examine the issue of password length leakage via encrypted traffic i.e., bicycle attacks. We aim to quantify both the prevalence of password length leakage bugs as well as the potential harm to users. In an observational study, we find…

Cryptography and Security · Computer Science 2020-02-06 Benjamin Harsha , Robert Morton , Jeremiah Blocki , John Springer , Melissa Dark

In this paper, we present a novel vision of large scale of empirical password sets available and improve the understanding of passwords by revealing their interconnections and considering the security on a level of the whole password set…

Cryptography and Security · Computer Science 2015-11-30 Xiujia Guo , Haibo Chen , Xuqin Liu , Xiangyu Xu , Zhong Chen

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

The rapid development of advanced computing technologies such as quantum computing imposes new challenges to current wireless security mechanism which is based on cryptographic approaches. To deal with various attacks and realize…

Cryptography and Security · Computer Science 2023-03-14 Li Sun , Xianhui Lu , Peng Liu , Jianjun Wu , Xiaohu You , Xiaofeng Tao