检索结果-内蒙古大学图书馆

IEEE Conference on computer Communications, INFOCOM 2012

作者： Li, Zhenjiang Mo, Li Liu, Yunhao School of Computer Engineering Nanyang Technological University Singapore Department of Computer Science and Engineering Hong Kong University of Science and Technology Hong Kong MOE Key Lab. for Information System Security School of Software Tsinghua University China

ISBN: (纸本)9781467307758

In this paper, we investigate the problem of controlling node sleep intervals so as to achieve the min-max energy fairness in asynchronous duty-cycling sensor networks. We propose a mathematical model to describe the energy efficiency of such networks and observe that traditional sleep interval setting strategy, i.e., operating sensor nodes with identical sleep intervals, or intuitive control heuristics, i.e., greedily increasing sleep intervals of sensor nodes with high energy consumption rates, hardly perform well in practice. There is an urgent need to develop an efficient sleep interval control strategy for achieving fair and high energy efficiency. To this end, we theoretically formulate the Sleep Interval Control (SIC) problem and find it a convex optimization problem. By utilizing the convex property, we decompose the original problem and propose a distributed algorithm, called GDSIC. In GDSIC, sensor nodes can tune sleep intervals through a local information exchange such that the maximum energy consumption rate in the network approaches to be minimized. The algorithm is self-adjustable to the traffic load variance and is able to serve as a unified framework for a variety of asynchronous duty-cycling MAC protocols. We implement our approach in a prototype system and test its feasibility and applicability on a 50-node testbed. We further conduct extensive trace-driven simulations to examine the efficiency and scalability of our algorithm with various settings. © 2012 IEEE.

关键词： Sensor nodes

来源：评论

学校读者我要写书评

暂无评论

An new anonymous authentication scheme for cloud computing

An new anonymous authentication scheme for cloud computing

引用

2012 7th International Conference on computer Science and Education, ICCSE 2012

作者： Zhang, Zhi-Hua Li, Jian-Jun Jiang, Wei Zhao, Yong Gong, Bei China Tobacco Zhejiang Iidustrial Co. Ltd. Hangzhou 310009 China College of Computer Science Beijing University of Technology Beijing 100124 China Key Laboratory of Information and Network Security 3rd Research Institute Ministry of Public Security Beijing 100124 China Beijing 100124 China

ISBN: (纸本)9781467302425

Cloud computing is a hot topic of current research, for anonymous authentication is required in many applications scenarios of e-business based on cloud computing, users do not want to expose their identity, users just hope that service providers know they are legitimate users like, for this application, this paper presents a anonymous authentication scheme without certificate, which this scheme avoids the issues how to revocation public key certificate and the escrow problem of key, and then the security of the scheme is analyzed. © 2012 IEEE.

关键词： Cloud computing

来源：评论

学校读者我要写书评

暂无评论

A generic approach for providing revocation support in secret handshake

A generic approach for providing revocation support in secre...

引用

14th International Conference on information and Communications security, ICICS 2012

作者： Yang, Yanjiang Lu, Haibing Weng, Jian Ding, Xuhua Zhou, Jianying Institute for Infocomm Research Singapore Singapore Dept. of Operations Management and Information Systems Leavey School of Business Santa Clara University United States Department of Computer Science Emergency Technology Research Center of Risk Evaluation and Prewarning on Public Network Security Jinan University China Shanghai Key Laboratory of Integrate Administration Technologies for Information Security Shanghai China School of Information Systems Singapore Management University Singapore Singapore

ISBN: (纸本)9783642341281

Privacy protection and user revocation are essentially conflicting requirements in many cryptographic protocols. It is a particularly challenging problem to harmonize them in a secret handshake protocol that is geared to offering strong privacy protection on the participants' group membership in the protocol execution. In this paper, we study this problem and propose a generic approach to provide revocation support in secret handshake protocols, without sacrificing the notion of privacy preserving. The main building block of our approach is CGC (Confidential Group Communication), a primitive formulated in this paper, and we present a concrete instantiation so as to realize our generic approach. © 2012 Springer-Verlag.

关键词： Data privacy

来源：评论

学校读者我要写书评

暂无评论

Sentence alignment for web page text based on vector space model

Sentence alignment for web page text based on vector space m...

引用

2012 International Conference on computer Science and information Processing, CSIP 2012

作者： Zhang, Guanhong Odbal Department of Computer Science and Technology Key Lab of Network and Intelligent Information Processing Hefei University Anhui Hefei 230601 China Hefei Institutes of Physical Science of Chinese Academy Science Anhui Hefei 230031 China

ISBN: (纸本)9781467314114

There exist noisy, unparallel sentences in parallel web pages. Web page structure is subjected to some limitation for sentences alignment task for web page text. The most straightforward way of aligning sentences is using a translation lexicon. However, a major obstacle to this approach is the lack of dictionary for training. This paper presents a method for automatically align Mongolian-Chinese parallel text on the Web via vector space model. Vector space model is an algebraic model for representing any object as vectors of identifiers, such as index terms. In the statistically based vector-space model, a sentence is conceptually represented by a vector of keywords extracted from the text. Extracted keywords are composed by content words, known as terms and the weight of a term in a sentence vector can be determined tf-idf method. CHI is used to compute the association between bilingual words. Once the term weights are determined, the similarity between sentence vectors is computed via cosine measure. The experimental results indicate that the method is accurate and efficient enough to apply without human intervention. © 2012 IEEE.

关键词： Websites

来源：评论

学校读者我要写书评

暂无评论

A password authentication scheme against smart card security breach

A password authentication scheme against smart card security...

引用

3rd International Conference on information Computing and Applications, ICICA 2012

作者： Shen, Jing Du, Yusong South China Institute of Software Engineering Guangzhou University Guangzhou 510990 China School of Information Management Sun Yat-sen University Guangzhou 510006 China Key Lab. of Network Security and Cryptology Fujian Normal University Fuzhou 350007 China

ISBN: (纸本)9783642340611

Remote user authentication is very important for identifying whether communicating parties are genuine and trustworthy. Using a password and a smart card between a login user and a remote server is necessary. Recently, C.T. Li et al.'s noted that smart card security breach was not considered in the password authentication scheme given by S.K. Kim et al.'s in 2009, then they proposed a remote user authentication scheme against smart card security breach, which was presented in Data and Applications security and Privacy 2011. However, we note that Li et al.'s scheme needs a verification table in the remote server. It is well-known that a verification table should not be involved in a good password authentication scheme with smart cards. In this paper, we propose a password authentication scheme against smart card security breach and without maintaining verification tables. © 2012 Springer-Verlag.

关键词： Smart cards

来源：评论

学校读者我要写书评

暂无评论

RFID-based electronic identity security cloud platform in cyberspace

引用

Journal of networks 2012年第7期7卷 1131-1138页

作者： Chen, Bing Tan, Chengxiang Jin, Bo Zou, Xiang Dai, Yuebo The 3rd research institute of ministry of public security Shanghai China Key laboratory of information network security Ministry of Public Security Shanghai China Dept. of computer science and engineering Tongji University Shanghai China

With the moving development of networks, especially Internet of Things, electronic identity administration in cyberspace is becoming more and more important. And personal identity management in cyberspace associated with individuals in reality has been one significant and urgent task for the further development of information construction in China. So this paper presents a RFID-based electronic identity security cloud platform in cyberspace to implement an efficient security management of cyber personal identity, and designs and realizes a strong and pervasive security cloud service platform, and discusses key technology including security authentication mechanism for the electronic identity card, super high frequency RFID with eID cards, multilevel privacy protection mechanism, security cloud service, security isolation and single-oriented transmission, and boundary security gateway protection, and it can well apply to personal identity management with virtual roles of citizens in cyberspace such as E-Government and E-Business, and the electronic identity security platform has been primary implemented and achieved good effects in actual applications. © 2012 ACADEMY PUBLISHER.

关键词： Distributed database systems

来源：评论

学校读者我要写书评

暂无评论

RGH: An efficient RSU-aided group-based hierarchical privacy enhancement protocol for VANETs

RGH: An efficient RSU-aided group-based hierarchical privacy...

引用

13th International Conference on Web-Age information Management, WAIM 2012

作者： Yang, Tao Kong, Lingbo Yu, Liangwen Hu, Jianbin Chen, Zhong MoE Key Lab. of High Confidence Software Technologies Peking University 100871 Beijing China MoE Key Lab. of Computer Networks and Information Security Peking University 100871 Beijing China School of Electronics Engineering and Computer Science Peking University 100871 Beijing China School of Software Engineering Beijing Jiaotong University 100044 Beijing China

ISBN: (纸本)9783642322808

VANETs are gaining significant prominence from both academia and industry in recent years. In this paper, we introduce an Efficient RSU-aided Group-based Hierarchical Privacy Enhancement Protocol for VANETs. The protocol exploits the Road-Side-Unit (RSU) to form a temporary group based on the vehicles around it. As the group leader, the RSU takes charge of the verification of the member car through the Revocation List from the DoT (Department of Transportation). The RSU also generates the session key and determines the configuration for the group. The RSU handles the message from the group member, and then sends it to other group members. RSUs have hierarchical security because of the real environment secure threats. RSUs are divided into High-level RSU (HRSU) and Low-level RSU (LRSU). HRSU inserts a message-related trace entry into the trace log while LRSU attaches trace Tag on the message. HRSU has to submit the trace log to the Department of Audit (DoA) by secure way periodically. If required, DoA can trace out the disputed message's real signer with the cooperation of the DoT. Comparison with other existing classic schemes in the literature has been performed to show the efficiency and applicability of our scheme. © 2012 Springer-Verlag.

关键词： Vehicular ad hoc networks

来源：评论

学校读者我要写书评

暂无评论

An improved masked S-box for AES and hardware implementation

引用

Journal of Convergence information Technology 2012年第10期7卷 338-344页

作者： Zeng, Juanli Xu, Cheng Embedded System and Network Laboratory Hunan Province Key Lab. of Network and Information Security College of Inf. Sci. and Engineering Hunan University Changsha 410082 China

Masking in gate level is popularly used to protect AES S-box against power analysis attacks. But there still exists a kind of attack, called glitch attack, to achieve the sensitive information from gate cell leakage. Some works had been done to resist against glitch attack, which carefully masked AND gate or used Wave Dynamic Differential Logic (WDDL) cell. In this paper, we propose an improved masked AND gate, in which the relationship between input masked values and masks is nonlinear. Usually, when converting S-box operations from GF(28) to GF(((22)2)22), all the necessary computations become XOR and AND operations. Therefore, to fully mask AES S-box is to substitute the unmasked XOR and AND operations with the proposed masked AND gate and protected XOR gate. Although the proposed masked AND gate take up one extra XOR gate than Trichina's design and Baek's design, it can resist against glitch attack without using specific gate cell, such as WDDL. Finally with the masked AES Sbox, we provide a probable secure implementation of masked AES encryption with 32-bit data and verify the results.

关键词： Field programmable gate arrays (FPGA)

来源：评论

学校读者我要写书评

暂无评论

Biorthogonal nonunifrom b-spline wavelets with small supports

Biorthogonal nonunifrom b-spline wavelets with small support...

引用

2012 2nd International Conference on computer Application and System Modeling, ICCASM 2012

作者： Pan, Rijing Yao, Zhiqing College of Mathematics and Computer Science Fujian Normal University Fuzhou Fujian 350007 China Faculty of Software Fujian Normal University Fuzhou Fujian 350007 China Key Lab of Network Security and Cryptology Fujian Normal University Fuzhou Fujian 350007 China

ISBN: (纸本)9789491216008

A kind of biorthogonal nonuniform B-spline wavelets with small supports is constructed. And the performances of the wavelets are analyzed. In additional to having small supports, the proposed wavelets are simple and efficient in computation, possess good approximation property and are flexible for the application in multiresolution modeling of NURBS curves and surfaces. © The Authors.

关键词： Interpolation

来源：评论

学校读者我要写书评

暂无评论

PKU-STRAW-L: a simulative platform evaluate the power-saving rate of the intelligent street lamp system

PKU-STRAW-L: a simulative platform evaluate the power-saving...

引用

International Conference on Ubiquitous Intelligence & Computing

作者： Yang Tao Lingbo Kong Yinyang Wang Hu Jian-Bin Chen Zhong MoE Key Lab of High Confidence Software Technologies Peking University MoE Key Lab of Computer Networks and Information Security Peking University

ISBN: (纸本)9781467330848

A Low-Carbon Economy (LCE) has been a heated economy topic throughout the world. The street lamp system is a large energy consumption system although it is indispensable part of the basic facilities of a city. So it is important for many scientific researchers to provide many solutions to save energy efficiently. In this paper, we design a simulation platform named PKU-STRAW-L that evaluates the energy consumption based on famous Java simulator JiST/STRAW. We also design a test bed system that intelligently controls the street lamp based on Peking University STRAW. The intelligent lamp control system is based on the VANET's DSRC communication and focuses on some lamp-lighting strategies when vehicle drives on cross road, straight road and pre-lighting. By using this platform we can evaluate the power-saving rate of this intelligent street lamp system.

关键词： Power-saving DSRC STRAW JiST Street lamp system

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：