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Delay Encryption (often called Timed-Release Encryption) is a scheme in which a message is sent into the future by ensuring its confidentiality only for a given amount of time. We propose a new scheme based on a novel time-lock puzzle. This…

Cryptography and Security · Computer Science 2022-05-12 Ivo Maffei , A. W. Roscoe

False information detection on social media is challenging as it commonly requires tedious evidence-collecting but lacks available comparative information. Clues mined from user comments, as the wisdom of crowds, could be of considerable…

Social and Information Networks · Computer Science 2020-09-09 Tian Tian , Yudong Liu , Xiaoyu Yang , Yuefei Lyu , Xi Zhang , Binxing Fang

Using multi group asymmetric public and private keys, this paper proposes a encryption email communication system, which makes email communication more secure, lowers the service provider\'s network and storage consumption, and completely…

Cryptography and Security · Computer Science 2019-02-26 Avanna , Psycho Zhang , Simon Yan , Jonne Mao

Noisy Intermediate-Scale Quantum (NISQ) devices, while accessible via cloud platforms, face challenges due to limited availability and suboptimal quality. These challenges raise the risk of cloud providers offering fraudulent services. This…

Cryptography and Security · Computer Science 2024-08-22 Jindi Wu , Tianjie Hu , Qun Li

Deep reinforcement learning (DRL) has demonstrated impressive performance in various gaming simulators and real-world applications. In practice, however, a DRL agent may receive faulty observation by abrupt interferences such as black-out,…

Machine Learning · Computer Science 2022-01-26 Chao-Han Huck Yang , I-Te Danny Hung , Yi Ouyang , Pin-Yu Chen

Spam messes up users inbox, consumes resources and spread attacks like DDoS, MiM, Phishing etc., Phishing is a byproduct of email and causes financial loss to users and loss of reputation to financial institutions. In this paper we study…

Cryptography and Security · Computer Science 2016-11-15 Cynthia Dhinakaran , Jae Kwang lee , Dhinaharan Nagamalai

In this paper an attempt is made to review technological, economical and legal aspects of the spam in detail. The technical details will include different techniques of spam control e.g., filtering techniques, Genetic Algorithm, Memory…

Cryptography and Security · Computer Science 2011-12-26 M. Tariq Banday , Jameel A. Qadri

Despite a large amount of effort devoted in the past years trying to limit unsolicited mail, spam is still a major global concern. Content-analysis techniques and blacklists, the most popular methods used to identify and block spam, are…

Networking and Internet Architecture · Computer Science 2008-09-01 Dominik Schatzmann , Martin Burkhart , Thrasyvoulos Spyropoulos

It is not been a long time since the advent of cloud-based technology. However, in this short period of timeseveral advantages and disadvantages have been emerged. This is a problem solving technology with some threats as well. These…

Networking and Internet Architecture · Computer Science 2018-01-09 Hamed Rezaei , Nima Ghazanfari motlagha , Yaghoub Farjamib , Mohammad Hossein Yektae

Privacy-preserving distributed average consensus has received significant attention recently due to its wide applicability. Based on the achieved performances, existing approaches can be broadly classified into perfect accuracy-prioritized…

Cryptography and Security · Computer Science 2024-07-16 Qiongxiu Li , Jaron Skovsted Gundersen , Milan Lopuhaa-Zwakenberg , Richard Heusdens

Spam messes up user's inbox, consumes network resources and spread worms and viruses. Spam is flooding of unsolicited, unwanted e mail. Spam in blogs is called blog spam or comment spam.It is done by posting comments or flooding spams to…

Cryptography and Security · Computer Science 2010-11-16 Dhinaharan Nagamalai , Beatrice Cynthia Dhinakaran , Jae Kwang Lee

Email breaches are commonplace, and they expose a wealth of personal, business, and political data that may have devastating consequences. The current email system allows any attacker who gains access to your email to prove the authenticity…

Cryptography and Security · Computer Science 2019-04-16 Michael Specter , Sunoo Park , Matthew Green

Malicious emails including Phishing, Spam, and Scam are one significant class of cyber social engineering attacks. Despite numerous defenses to counter them, the problem remains largely open. The ineffectiveness of current defenses can be…

Cryptography and Security · Computer Science 2025-01-07 Theodore Longtchi , Rosana Montañez Rodriguez , Kora Gwartney , Ekzhin Ear , David P. Azari , Christopher P. Kelley , Shouhuai Xu

The Bloom filter is a simple yet space-efficient probabilistic data structure that supports membership queries for dramatically large datasets. It is widely utilized and implemented across various industrial scenarios, often handling…

Cryptography and Security · Computer Science 2026-01-26 Yekun Ke , Yingyu Liang , Zhizhou Sha , Zhenmei Shi , Zhao Song , Jiahao Zhang

Email continues to be a pivotal and extensively utilized communication medium within professional and commercial domains. Nonetheless, the prevalence of spam emails poses a significant challenge for users, disrupting their daily routines…

Computation and Language · Computer Science 2025-02-13 Shijing Si , Yuwei Wu , Le Tang , Yugui Zhang , Jedrek Wosik , Qinliang Su

This paper describes the design and development of a decentralized firewall system powered by a novel malware detection engine. The firewall is built using blockchain technology. The detection engine aims to classify Portable Executable…

Cryptography and Security · Computer Science 2017-11-07 Saurabh Raje , Shyamal Vaderia , Neil Wilson , Rudrakh Panigrahi

Smart meters (SMs) play a pivotal rule in the smart grid by being able to report the electricity usage of consumers to the utility provider (UP) almost in real-time. However, this could leak sensitive information about the consumers to the…

Signal Processing · Electrical Eng. & Systems 2021-11-29 Mohammadhadi Shateri , Francisco Messina , Pablo Piantanida , Fabrice Labeau

Software Defined Networking (SDN) enables flexible and scalable network control and management. However, it also introduces new vulnerabilities that can be exploited by attackers. In particular, low-rate and slow or stealthy…

Networking and Internet Architecture · Computer Science 2019-09-05 Trung V. Phan , T M Rayhan Gias , Syed Tasnimul Islam , Truong Thu Huong , Nguyen Huu Thanh , Thomas Bauschert

Deep neural networks (DNNs) have achieved tremendous success in computer vision, natural language processing, and scientific and engineering domains. However, DNNs can make unexpected, incorrect, yet overconfident predictions, leading to…

Machine Learning · Computer Science 2025-12-16 Wenchong He , Zhe Jiang , Tingsong Xiao , Zelin Xu , Yukun Li

In recent years, Cyber attacks have increased in number, and with them, the intensity of the attacks and their potential to damage the user have also increased significantly. In an ever-advancing world, users find it difficult to keep up…

Cryptography and Security · Computer Science 2024-11-22 Latesh G. Malik , Rohini Shambharkar , Shivam Morey , Shubhlak Kanpate , Vedika Raut
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