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1st International Conference on Intelligent Computing, Communication and Devices, ICCD 2014

作者： Sarath, Greeshma Deepu, S. Sundararajan, Sudharsan Achuthan, Krishnashree Department of Computer Science and Engineering Amrita Vishwa Vidyapeetham Amritapuri Kollam India Department of Cyber Security Systems and Networks Amrita Vishwa Vidyapeetham Amritapuri Kollam India

ISBN: (纸本)9788132220114

Secret sharing techniques have been used to ensure data confidentiality and enable secure reconstruction of data. In this paper, we propose a novel secret sharing scheme called ESEC based on Elliptic Curve Cryptography (ECC). The proposed scheme is to distribute a secret to a non-intersecting group of participants with different privilege levels. In our implementation, we have three phases involving share generation, distribution, and secret regeneration. The threshold of different privilege levels is different and for reconstruction of the secret all participants will have to be from the same privilege level. The proposed scheme is a perfect and ideal secret sharing scheme. © Springer India 2015.

关键词： Public key cryptography

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Multicast adaptive logic for Dynamic Adaptive Streaming over HTTP network

Multicast adaptive logic for Dynamic Adaptive Streaming over...

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IEEE Conference on computer Communications Workshops, INFOCOM WKSHPS 2015

作者： Dubin, Ran Dvir, Amit Hadar, Ofer Harel, Nissim Barkan, Refael Communication Systems Engineering Ben-Gurion University of the Negev Israel Cyber Security Center Department of Computer Science and Mathematics Ariel University Israel Computer Science Department Holon Institute of Technology Israel Computer Science School College of Management Academic Studies Israel

ISBN: (纸本)9781467371315

Video streaming constitutes the vast majority of Internet traffic and the DASH protocol has become the de-facto standard in the industry of multimedia delivery. The multicast method for information distribution has the potential to dramatically reduce multimedia streaming traffic;however, to date, there is no effective Adaptive Logic (AL) designed to support multicast constraints at the client side. In this paper we present an adaptive logic that is designed specifically for multicast scenarios. A comparison of our Multicast Adaptive Logic (MAL) with leading ALs under multicast conditions demonstrates that MAL provides the best performance under multicast conditions and good performance under unicast conditions. © 2015 IEEE.

关键词： computer circuits

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Erratum to: A new lightweight RFID grouping authentication protocol for multiple tags in mobile environment

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Multimedia Tools and Applications 2017年第21期76卷 22785-22785页

作者： Shen, Jian Tan, Haowen Zhang, Yan Sun, Xingming Xiang, Yang Jiangsu Engineering Center of Network Monitoring Jiangsu Collaborative Innovation Center on Atmospheric Environment and Equipment Technology School of Computer & Software Nanjing University of Information Science and Technology Nanjing China School of Computer & Software Nanjing University of Information Science & Technology Nanjing China Simula Research Laboratory of Norway and the Department of Informatics University of Oslo Oslo Norway Center for Cyber Security Research Deakin University Deakin Australia

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Experience Report: Detecting Poor-Responsive UI in Android Applications

Experience Report: Detecting Poor-Responsive UI in Android A...

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International Symposium on Software Reliability engineering (ISSRE)

作者： Yu Kang Yangfan Zhou Min Gao Yixia Sun Michael R. Lyu Shenzhen Research Institute The Chinese University Hong Kong China Computer Sci. & Eng. Dept. The Chinese Univercity Hong Kong China School of Computer Science Fudan University Shanghai China Ministry of Education Engineering Research Center of Cyber Security Auditing and Monitoring China School of Management Zhejiang University Hangzhou Zhejiang China

ISBN: (纸本)9781467390033

Good user interface (UI) design is key to successful mobile apps. UI latency, which can be considered as the time between the commencement of a UI operation and its intended UI update, is a critical consideration for app developers. Current literature still lacks a comprehensive study on how much UI latency a user can tolerate or how to identify UI design defects that cause intolerably long UI latency. As a result, bad UI apps are still common in app markets, leading to extensive user complaints. This paper examines user expectations of UI latency, anddevelops a tool to pinpoint intolerable UI latency in Android apps. To this end, we design an app to conduct a user survey of app UI latency. Through the survey, we find the tendency between user patience and UI latency. Therefore a timely screen update (e.g., loading animations) is critical to heavy-weighted UI operations (i.e. those that incur a long execution time before the final UI update is available). We then design a tool that, by monitoring the UI inputs and updates, can detect apps that do not follow this criterion. The survey and the tool are open-source released on-line. We also apply the tool to many real-world apps. The results demonstrate the effectiveness of the tool in combating app UI design defects.

关键词： Delays Androids Humanoid robots Mobile communication Loading Internet Google

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Erratum to “An Efficient Code-Based Threshold Ring Signature Scheme with a Leader-Participant Model”

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security and Communication Networks 2017年第1期2017卷

作者： Guomin Zhou Peng Zeng Xiaohui Yuan Siyuan Chen Kim-Kwang Raymond Choo Department of Computer and Information Technology Zhejiang Police College Hangzhou Zhejiang Province *** Shanghai Key Laboratory of Trustworthy Computing East China Normal University Shanghai *** Department of Computer Science and Engineering University of North Texas Denton TX 76203 USAunt.edu College of Information Engineering China University of Geosciences Wuhan *** Department of Information Systems and Cyber Security University of Texas at San Antonio San Antonio TX 78249 USAutsa.edu

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A novel adaptive image zooming scheme via weighted least-squares estimation

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Frontiers of computer science 2015年第5期9卷 703-712页

作者： Xuexia ZHONG Guorui FENG Jian WANG Wenfei WANG Wen SI Cyber Physical System Research and Development Center The Third Research Institute of Ministry of Public Security Shanghai 201204 China School of Communication and Information Engineering Shanghai University Shanghai 200444 China School of Electronic Information and Electrical Engineering Shanghai Jiao Tong University Shanghai 200240 China Shanghai Chenrui Information Technology Company Shanghai 201204 China College of Information and Computer Science Shanghai Business School Shanghai 201400 China

A critical issue in image interpolation is preserving edge detail and texture information in images when zooming. In this paper, we propose a novel adaptive image zooming algorithm using weighted least-square estimation that can achieve arbitrary integer-ratio zoom （WLS-AIZ） For a given zooming ratio n, every pixel in a low-resolution （LR） image is associated with an n x n block of high-resolution （HR） pixels in the HR image. In WLS-AIZ, the LR image is interpolated using the bilinear method in advance. Model parameters of every n×n block are worked out through weighted least-square estimation. Subsequently, each pixel in the n × n block is substituted by a combination of its eight neighboring HR pixels using estimated parameters. Finally, a refinement strategy is adopted to obtain the ultimate HR pixel values. The proposed algorithm has significant adaptability to local image structure. Extensive experiments comparing WLS-AIZ with other state of the art image zooming methods demonstrate the superiority of WLS-AIZ. In terms of peak signal to noise ratio （PSNR）, structural similarity index （SSIM） and feature similarity index （FSIM）, WLS-AIZ produces better results than all other image integer-ratio zoom algorithms.

关键词： adaptive interpolation refinement strategy,weighted least-squares estimation arbitrary integer and WLS-AIZ scheme

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Bring-Your-Own-Application (BYOA): Optimal Stochastic Application Migration in Mobile Cloud Computing

Bring-Your-Own-Application (BYOA): Optimal Stochastic Applic...

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IEEE Global Communications Conference

作者： Jonathan Chase Dusit Niyato Sivadon Chaisiri School of Computer Engineering Nanyang Technological University Cyber Security Lab Department of Computer Science University of Waikato

ISBN: (纸本)9781479959532

The increasing popularity of using mobile devices in a work context, has led to the need to be able to support more powerful computation. Users no longer remain in an office or at home to conduct their activities, preferring libraries and cafes. In this paper, we consider a mobile cloud computing scenario in which users bring their own mobile devices and are offered a variety of equipment, e.g., desktop computer, smart-TV, or projector, to migrate their applications to, so as to save battery life, improve usability and performance. We formulate a stochastic optimization problem to optimize the allocation of user applications to equipment despite future uncertainties. Furthermore, we extend the scenario to consider multiple locations and geographic migration. The performance evaluation shows the superior benefit, e.g., higher profit, compared with a baseline algorithm.

关键词： Mobile cloud computing Application migration Stochastic programming Cloud Computing stochastic programming Stochastic models Mobile devices Cafes user application Battery Life Mobile Stochastic EQUIPMENT Consumers Immigration Migrations Performance Evaluation

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Privacy Preservation and Protection Scheme over ALARM on Geographical Routing

Privacy Preservation and Protection Scheme over ALARM on Geo...

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International Conference on security Technology, SECTECH

作者： B. Muthusenthil S. Murugavalli Hyunsung Kim Dept. of Computer Science and Engineering Valliammai Engineering College Dept. of Computer Science and Engineering Panimalar Engineering College Dept. of Cyber Security Kyungil University

Routing and security is a major issue in mobile ad-hoc networks due to dynamic network topology. Each node may compromise the packet routing functionality by disrupting the route discovery technique. Clustering divides a physical network into disjoint virtual sub networks in each cluster consisting of fewer nodes. The cluster based routing schemes in Mobile ad-hoc network are used to reduce the channel contention in networks with a numerous number of nodes. Privacy preservation and protection scheme is proposed to protect mobile ad hoc network link layer and operations of delivering packet over the location based routing or geographical routing.

关键词： Ad hoc networks Mobile computing Routing Routing protocols security Privacy Clustering algorithms

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Physical layer security in wireless cooperative relay networks: State of the art and beyond

Physical layer security in wireless cooperative relay networ...

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作者： Rodriguez, Leonardo Jimenez Tran, Nghi H. Duong, Trung Q. Le-Ngoc, Tho Elkashlan, Maged Shetty, Sachin McGill University MontrealQC Canada Department of Electrical and Computer Engineering University of Akron OH United States Queen's University Belfast United Kingdom Department of Electrical and Computer Engineering McGill University Canada School of Electronic Engineering and Computer Science Queen Mary University of London United Kingdom Cyber Security Laboratory TSU Interdisciplinary Graduate Engineering Research Institute United States

Cooperative relaying is an effective method of increasing the range and reliability of wireless networks, and several relaying strategies have been adopted in major wireless standards. Recently, cooperative relaying has also been considered in the context of PHY security, which is a new security paradigm to supplement traditional cryptographic schemes that usually handle security at the upper layers. In wireless PHY security, relay nodes can be used to exploit the physical layer properties of wireless channels in order to support a secured transmission from a source to a destination in the presence of one or more eavesdroppers. While some breakthroughs have been made in this emerging research area, to date, the problem of how to effectively adopt advanced relaying protocols to enhance PHY security is still far from being fully understood. In this article, we present a comprehensive summary of current state-of-theart PHY security concepts in wireless relay networks. A case study is then provided to quantify the benefits of power allocation and relay location for enhanced security. We finally outline important future research directions in relaying topologies, full-duplex relaying, and cross-layer design that can ignite new interests and ideas on the topic. © 1979-2012 IEEE.

关键词： Cooperative communication

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security and Privacy Framework for Academic Monitoring System

Security and Privacy Framework for Academic Monitoring Syste...

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International Conference on security Technology, SECTECH

作者： B. Muthusenthil C. Vijayakumaran Hyunsung Kim Dept. of Computer Science and Engineering Valliammai Enzineering College Dept. of Computer Science and Engineering Valliammai Engineering College Dept. of Cyber Security Kyungil University

Mobile device based academic monitoring system (AMS) are inherently open systems and thereby vulnerable to various attacks. This paper proposes a security and privacy framework for AMS, which is based on a security model with the tree permission hierarchy using bilinear pairing. The proposed framework supports privacy based on anonymity, untraceability, and security for confidentiality, integrity, nonrepudiation, key management, and authentication and so on.

关键词： Privacy Cloud computing Servers Authentication Monitoring Cryptography

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