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This paper tackles the problem of designing efficient binary-level verification for a subset of information flow properties encompassing constant-time and secret-erasure. These properties are crucial for cryptographic implementations, but…

密码学与安全 · 计算机科学 2022-09-05 Lesly-Ann Daniel , Sébastien Bardin , Tamara Rezk

Detecting encryption-driven cyber threats remains a large challenge due to the evolving techniques employed to evade traditional detection mechanisms. An entropy-based computational framework was introduced to analyze multi-domain system…

密码学与安全 · 计算机科学 2025-03-27 Michael Mannon , Evan Statham , Quentin Featherstone , Sebastian Arkwright , Clive Fenwick , Gareth Willoughby

At present, the cloud storage used in searchable symmetric encryption schemes (SSE) is provided in a private way, which cannot be seen as a true cloud. Moreover, the cloud server is thought to be credible, because it always returns the…

密码学与安全 · 计算机科学 2017-11-21 Huige Li , Fangguo Zhang , Jiejie He , Haibo Tian

Rekeying refers to an operation of replacing an existing key with a new key for encryption. It renews security protection, so as to protect against key compromise and enable dynamic access control in cryptographic storage. However, it is…

分布式、并行与集群计算 · 计算机科学 2017-04-13 Chuan Qin , Jingwei Li , Patrick P. C. Lee

Ransomware is still one of the most serious cybersecurity threats. Victims often pay but fail to regain access to their data, while also facing the danger of losing data privacy. These uncertainties heavily shape the attacker-victim…

密码学与安全 · 计算机科学 2026-01-13 Xinyu Hou , Yang Lu , Rabimba Karanjai , Lei Xu , Weidong Shi

Ransomware is currently the key threat for individual as well as corporate Internet users. Especially dangerous is crypto ransomware that encrypts important user data and it is only possible to recover it once a ransom has been paid.…

密码学与安全 · 计算机科学 2018-04-10 Krzysztof Cabaj , Marcin Gregorczyk , Wojciech Mazurczyk

The damage caused by crypto-ransomware, due to encryption, is difficult to revert and cause data losses. In this paper, a machine learning (ML) classifier was built to early detect ransomware (called crypto-ransomware) that uses…

密码学与安全 · 计算机科学 2020-03-17 Chih-Yuan Yang , Ravi Sahita

Encryption-based cyber threats continue to evolve, employing increasingly sophisticated techniques to bypass traditional detection mechanisms. Many existing classification strategies depend on static rule sets, signature-based matching, or…

The increasing sophistication of encryption-based ransomware has demanded innovative approaches to detection and mitigation, prompting the development of a hierarchical framework grounded in probabilistic cryptographic analysis. By focusing…

密码学与安全 · 计算机科学 2025-08-11 Kevin Pekepok , Persephone Kirkwood , Esme Christopolous , Florence Braithwaite , Oliver Nightingale

The current pandemic situation has increased cyber-attacks drastically worldwide. The attackers are using malware like trojans, spyware, rootkits, worms, ransomware heavily. Ransomware is the most notorious malware, yet we did not have any…

密码学与安全 · 计算机科学 2022-06-07 Nanda Rani , Sunita Vikrant Dhavale

Detection and analysis of a potential malware specifically, used for ransom is a challenging task. Recently, intruders are utilizing advanced cryptographic techniques to get hold of digital assets and then demand a ransom. It is believed…

密码学与安全 · 计算机科学 2020-06-08 Arslan Ashraf , Abdul Aziz , Umme Zahoora , Muttukrishnan Rajarajan , Asifullah Khan

Ransomware attacks have increased significantly in recent years, causing great destruction and damage to critical systems and business operations. Attackers are unfailingly finding innovative ways to bypass detection mechanisms,…

密码学与安全 · 计算机科学 2022-04-01 Avinash Singh , Richard Adeyemi Ikuesan , Hein Venter

Ransomware attacks have caused billions of dollars in damages in recent years, and are expected to cause billions more in the future. Consequently, significant effort has been devoted to ransomware detection and mitigation. Behavioral-based…

密码学与安全 · 计算机科学 2025-07-14 Dorjan Hitaj , Giulio Pagnotta , Fabio De Gaspari , Lorenzo De Carli , Luigi V. Mancini

The amount of data generated by scientific and commercial applications is growing at an ever-increasing pace. This data is often moved between geographically distributed sites for various purposes such as collaboration and backup which has…

分布式、并行与集群计算 · 计算机科学 2018-11-06 Engin Arslan , Ahmed Alhussen

A survey of machine learning techniques trained to detect ransomware is presented. This work builds upon the efforts of Taylor et al. in using sensor-based methods that utilize data collected from built-in instruments like CPU power and…

机器学习 · 计算机科学 2021-10-18 Erik Larsen , David Noever , Korey MacVittie

With current advancement in hybermedia knowledges, the privacy of digital information has developed a critical problem. To overawed the susceptibilities of present security protocols, scholars tend to focus mainly on efforts on alternation…

Using cryptography to protect information and communication has bacically two major drawbacks. First, the specific entropy profile of encrypted data makes their detection very easy. Second, the use of cryptography can be more or less…

密码学与安全 · 计算机科学 2015-03-17 Eric Filiol

Atomicity or strong consistency is one of the fundamental, most intuitive, and hardest to provide primitives in distributed shared memory emulations. To ensure survivability, scalability, and availability of a storage service in the…

分布式、并行与集群计算 · 计算机科学 2021-05-31 Nicolas Nicolaou , Viveck Cadambe , N. Prakash , Andria Trigeorgi , Kishori M. Konwar , Nancy Lynch , Muriel Medard

The threat from ransomware continues to grow both in the number of affected victims as well as the cost incurred by the people and organisations impacted in a successful attack. In the majority of cases, once a victim has been attacked…

密码学与安全 · 计算机科学 2021-06-29 Simon R Davies , Richard Macfarlane , William J Buchanan

Cloud computing is emerging as a revolutionary computing paradigm, while security and privacy become major concerns in the cloud scenario. For which Searchable Encryption (SE) technology is proposed to support efficient retrieval of…

信息检索 · 计算机科学 2017-06-01 Ruihui Zhao , Yuanliang Sun , Mizuho Iwaihara