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相关论文: Multi-Factor Credential Hashing for Asymmetric Bru…

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Nowadays, most online services offer different authentication methods that users can set up for multi-factor authentication but also as a recovery method. This configuration must be done thoroughly to prevent an adversary's access while…

密码学与安全 · 计算机科学 2024-03-25 Andre Büttner , Nils Gruschka

Hashing has been widely used for efficient similarity search based on its query and storage efficiency. To obtain better precision, most studies focus on designing different objective functions with different constraints or penalty terms…

数据结构与算法 · 计算机科学 2018-10-02 Xingbo Liu , Xiushan Nie , Yilong Yin

Even though passwords are the most convenient means of authentication, they bring along themselves the threat of dictionary attacks. Dictionary attacks may be of two kinds: online and offline. While offline dictionary attacks are possible…

密码学与安全 · 计算机科学 2011-11-17 Vipul Goyal , Virendra Kumar , Mayank Singh , Ajith Abraham , Sugata Sanyal

Bloom Filter is an important probabilistic data structure to reduce memory consumption for membership filters. It is applied in diverse domains such as Computer Networking, Network Security and Privacy, IoT, Edge Computing, Cloud Computing,…

数据结构与算法 · 计算机科学 2021-09-09 Sabuzima Nayak , Ripon Patgiri

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,…

密码学与安全 · 计算机科学 2017-11-06 Hossen Asiful Mustafa , Hasan Muhammad Kafi

In this letter, a physical unclonable function (PUF)-advanced encryption standard (AES)-PUF is proposed as a new PUF architecture by embedding an AES cryptographic circuit between two conventional PUF circuits to conceal their…

密码学与安全 · 计算机科学 2018-10-18 Weize Yu , Jia Chen

Webshells remain a primary foothold for attackers to compromise servers, particularly within PHP ecosystems. However, existing detection mechanisms often struggle to keep pace with rapid variant evolution and sophisticated obfuscation…

密码学与安全 · 计算机科学 2026-02-02 Yizhong Ding

Efficient password cracking is a critical aspect of digital forensics, enabling investigators to decrypt protected content during criminal investigations. Traditional password cracking methods, including brute-force, dictionary and…

密码学与安全 · 计算机科学 2025-04-07 Mohamad Hachem , Adam Lanfranchi , Nathan Clarke , Joakim Kavrestad

Hacking password databases is one of the most frequently reported cyber-attacks. Current password management systems are based on known and public algorithms. Also, many studies have shown that users select weak passwords. Thus, with the…

密码学与安全 · 计算机科学 2020-12-08 Mohammad Mohammadinodoushan

Recent cryptanalytic attacks have exposed the vulnerabilities of some widely used cryptographic hash functions like MD5 and SHA-1. Attacks in the line of differential attacks have been used to expose the weaknesses of several other hash…

密码学与安全 · 计算机科学 2012-09-19 Subhabrata Mukherjee , Bimal Roy , Anirban Laha

Blockchain is a distributed ledger, which is protected against malicious modifications by means of cryptographic tools, e.g. digital signatures and hash functions. One of the most prominent applications of blockchains is cryptocurrencies,…

密码学与安全 · 计算机科学 2019-12-20 E. O. Kiktenko , M. A. Kudinov , A. K. Fedorov

Biometric authentication systems pose privacy risks, as leaked templates such as iris or fingerprints can lead to security breaches. Fully Homomorphic Encryption (FHE) enables secure encrypted evaluation, but its deployment is hindered by…

密码学与安全 · 计算机科学 2025-06-17 Joon Soo Yoo , Tae Min Ahn , Ji Won Yoon

Counterfeit products pose significant risks to public health and safety through infiltrating untrusted supply chains. Among numerous anti-counterfeiting techniques, leveraging inherent, unclonable microscopic irregularities of paper…

密码学与安全 · 计算机科学 2025-12-11 Anirudh Nakra , Nayeeb Rashid , Chau-Wai Wong , Min Wu

Quantum algorithms can break factoring and discrete logarithm based cryptography and weaken symmetric cryptography and hash functions. In order to estimate the real-world impact of these attacks, apart from tracking the development of…

量子物理 · 物理学 2019-02-11 Vlad Gheorghiu , Michele Mosca

With the expansion of the Internet of Things industry, the information security of Internet of Things devices attracts much attention. Traditional encryption algorithms require sensitive information such as keys to be stored in memory, and…

密码学与安全 · 计算机科学 2020-07-22 Yao Wang , Zhengtai Chang

In 2013, Tsai et al. cryptanalyzed Yeh et al. scheme and shown that Yeh et al., scheme is vulnerable to various cryptographic attacks and proposed an improved scheme. In this poster we will show that Tsai et al., scheme is also vulnerable…

密码学与安全 · 计算机科学 2014-01-24 Vorugunti Chandra Sekhar , Mrudula Sarvabhatla

Large language models (LLMs) have been widely deployed as the backbone with additional tools and text information for real-world applications. However, integrating external information into LLM-integrated applications raises significant…

密码学与安全 · 计算机科学 2024-11-27 Jiongxiao Wang , Fangzhou Wu , Wendi Li , Jinsheng Pan , Edward Suh , Z. Morley Mao , Muhao Chen , Chaowei Xiao

Risk-based Authentication (RBA) is an adaptive security measure to strengthen password-based authentication. RBA monitors additional features during login, and when observed feature values differ significantly from previously seen ones,…

密码学与安全 · 计算机科学 2020-10-02 Stephan Wiefling , Markus Dürmuth , Luigi Lo Iacono

An interesting challenge for the cryptography community is to design authentication protocols that are so simple that a human can execute them without relying on a fully trusted computer. We propose several candidate authentication…

密码学与安全 · 计算机科学 2016-09-13 Jeremiah Blocki , Manuel Blum , Anupam Datta , Santosh Vempala

In the rapidly evolving landscape of cybersecurity threats, ransomware represents a significant challenge. Attackers increasingly employ sophisticated encryption methods, such as entropy reduction through Base64 encoding, and partial or…

密码学与安全 · 计算机科学 2025-04-30 Arash Mahboubi , Hamed Aboutorab , Seyit Camtepe , Hang Thanh Bui , Khanh Luong , Keyvan Ansari , Shenlu Wang , Bazara Barry