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5th IEEE International Conference on Intelligent Networking and Collaborative Systems, INCoS 2013

作者： Huang, Zhengan Liu, Shengli Qin, Baodong Chen, Kefei Department of Computer Science and Engineering Shanghai Jiao Tong University Shanghai China College of Computer Science and Technology Southwest University of Science and Technology Mianyang China School of Science Hangzhou Normal University Hangzhou China State Key Laboratory of Mathematical Engineering and Advanced Computing Wuxi China

ISBN: (纸本)9780769549880

There are two main approaches to achieve selective opening chosen-cipher text security (SO-CCA security): lossy encryption (including all-but-many lossy trapdoor functions) and sender-equivocable encryption. The second approach was proposed in Euro crypt 2010 by Fehr et al., who proved that sender equivocability under chosen-cipher text attacks (NC-CCA security) implies SO-CCA security. They also proposed a new primitive called "cross-authentication code", and used it to construct a public-key encryption (PKE) scheme (the FHKW scheme) achieving NC-CCA security. However, recently in PKC 2013, Huang et al. pointed out that the properties of cross-authentication code cannot guarantee the NC-CCA security of the FHKW scheme, i.e., the security proof of the FHKW scheme is flawed. In this paper, we propose the notion of "strong cross-authentication code", which helps to fix the security proof of the FHKW scheme. This strong notion captures the ability of a cross-authentication code to efficiently generate a new key, based on all the other keys and the cross-authentication tag, such that the new key is statistically indistinguishable from the original key. With this code as a building block, we construct a new version of the FHKW scheme, and prove it to be NC-CCA secure for multi-bit plaintexts. Our work makes possible the instantiation of simulation-based SO-CCA secure PKE with a multi-bit message space from NC-CCA secure PKEs. © 2013 IEEE.

关键词： Authentication

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ZZ→ℓ+ℓ−ℓ′+ℓ′− cross-section measurements and search for anomalous triple gauge couplings in 13 TeV pp collisions with the ATLAS detector

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Physical Review D 2018年第3期97卷 032005-032005页

作者： M. Aaboud G. Aad B. Abbott O. Abdinov B. Abeloos S. H. Abidi O. S. AbouZeid N. L. Abraham H. Abramowicz H. Abreu R. Abreu Y. Abulaiti B. S. Acharya S. Adachi L. Adamczyk J. Adelman M. Adersberger T. Adye A. A. Affolder Y. Afik T. Agatonovic-Jovin C. Agheorghiesei J. A. Aguilar-Saavedra S. P. Ahlen F. Ahmadov G. Aielli S. Akatsuka H. Akerstedt T. P. A. Åkesson E. Akilli A. V. Akimov G. L. Alberghi J. Albert P. Albicocco M. J. Alconada Verzini S. C. Alderweireldt M. Aleksa I. N. Aleksandrov C. Alexa G. Alexander T. Alexopoulos M. Alhroob B. Ali M. Aliev G. Alimonti J. Alison S. P. Alkire B. M. M. Allbrooke B. W. Allen P. P. Allport A. Aloisio A. Alonso F. Alonso C. Alpigiani A. A. Alshehri M. I. Alstaty B. Alvarez Gonzalez D. Álvarez Piqueras M. G. Alviggi B. T. Amadio Y. Amaral Coutinho C. Amelung D. Amidei S. P. Amor Dos Santos S. Amoroso G. Amundsen C. Anastopoulos L. S. Ancu N. Andari T. Andeen C. F. Anders J. K. Anders K. J. Anderson A. Andreazza V. Andrei S. Angelidakis I. Angelozzi A. Angerami A. V. Anisenkov N. Anjos A. Annovi C. Antel M. Antonelli A. Antonov D. J. Antrim F. Anulli M. Aoki L. Aperio Bella G. Arabidze Y. Arai J. P. Araque V. Araujo Ferraz A. T. H. Arce R. E. Ardell F. A. Arduh J-F. Arguin S. Argyropoulos M. Arik A. J. Armbruster L. J. Armitage O. Arnaez H. Arnold M. Arratia O. Arslan A. Artamonov G. Artoni S. Artz S. Asai N. Asbah A. Ashkenazi L. Asquith K. Assamagan R. Astalos M. Atkinson N. B. Atlay K. Augsten G. Avolio B. Axen M. K. Ayoub G. Azuelos A. E. Baas M. J. Baca H. Bachacou K. Bachas M. Backes P. Bagnaia M. Bahmani H. Bahrasemani J. T. Baines M. Bajic O. K. Baker E. M. Baldin P. Balek F. Balli W. K. Balunas E. Banas A. Bandyopadhyay Sw. Banerjee A. A. E. Bannoura L. Barak E. L. Barberio D. Barberis M. Barbero T. Barillari M-S Barisits J. T. Barkeloo T. Barklow N. Barlow S. L. Barnes B. M. Barnett R. M. Barnett Z. Barnovska-Blenessy A. Baroncelli G. Barone A. J. Barr L. Barranco Navarro F. Barreiro J. Barreiro Guimarães da Costa R. Bartoldus A. E. Barton P. Bartos A. Basalaev A. B Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Department of Physics University of Toronto Toronto Ontario Canada Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz California USA Department of Physics and Astronomy University of Sussex Brighton United Kingdom Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion: Israel Institute of Technology Haifa Israel Center for High Energy Physics University of Oregon Eugene Oregon USA Department of Physics Stockholm University Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Department of Physics Northern Illinois University DeKalb Illinois USA Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Institute of Physics University of Belgrade Belgrade Serbia Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Laboratório de Instrumentação e Física Experimental de Partículas - LIP Lisboa Portugal Departamento de Fisica Teorica y del Cosmos Universidad de Granada Granada Portugal Department of Physics Boston University Boston Massachusetts USA Joint Institute for Nuclear Research JINR Dubna Dubna Russia INFN Sezione di Roma Tor Vergata Italy Dipartimento di Fisica Un

Measurements of ZZ production in the ℓ+ℓ−ℓ′+ℓ′− channel in proton–proton collisions at 13 TeV center-of-mass energy at the Large Hadron Collider are presented. The data correspond to 36.1 fb−1 of collisions collected by the ATLAS experiment in 2015 and 2016. Here ℓ and ℓ′ stand for electrons or muons. Integrated and differential ZZ→ℓ+ℓ−ℓ′+ℓ′− cross sections with Z→ℓ+ℓ− candidate masses in the range of 66 GeV to 116 GeV are measured in a fiducial phase space corresponding to the detector acceptance and corrected for detector effects. The differential cross sections are presented in bins of twenty observables, including several that describe the jet activity. The integrated cross section is also extrapolated to a total phase space and to all standard model decays of Z bosons with mass between 66 GeV and 116 GeV, resulting in a value of 17.3±0.9[±0.6(stat)±0.5(syst)±0.6(lumi)] pb. The measurements are found to be in good agreement with the standard model. A search for neutral triple gauge couplings is performed using the transverse momentum distribution of the leading Z boson candidate. No evidence for such couplings is found and exclusion limits are set on their parameters.

关键词： Electroweak interaction W & Z bosons Particle data analysis

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Operand stack dependence based Java static software birthmark

Operand stack dependence based Java static software birthmar...

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International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

作者： Yong Wang Fenlin Liu Zheng Zhao Bin Lu Xin Xie Zhengzhou Institute of Information Science and Technology Zhengzhou China State Key Laboratory of Mathematical Engineering and Advanced Computing Zhengzhou China

ISBN: (纸本)9781467352512

Due to the problem of semantic lost when extracting birthmark with k-gram algorithm, the operand stack dependence based static software birthmark is proposed in this paper. Before the birthmark extraction, the stack dependence bytecode fragments are got through analysis the stack dependence relation of stack behaviors in Java program. The birthmark is comprised of the stack dependence bytecode fragments and their occurrence frequencies in program. The experimental results show that the proposed birthmark has good credibility and robustness, and the performance is improved.

关键词： Software Java Resilience Semantics Heuristic algorithms Resistance Vectors

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Data recovery of user-defined procedures in binary translation

Data recovery of user-defined procedures in binary translati...

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International Conference on BioMedical engineering and Informatics (BMEI)

作者： Xiaonan Liu Rongcai Zhao Jianmin Pang Meijuan Yin Zhenfang Wei State Key Laboratory or Mathematics Engineering and Advanced Computing Zhengzhou China

ISBN: (纸本)9781479927623

A binary program is a set of binary data and operations on the data. In binary translation, operations on the source machine will be transplanted to the target machine. Also, the data which the operations depend on should be migrated to the target machine, so as to ensure the complete consistency of the data accessed by the transplanted target codes and the data accessed by the source codes. Firstly, the method is presented in this paper to convert the access to the data on the source machine to the access to the corresponding data on the target machine for the user-defined procedure, and to ensure the correctness of the accessed data on the target machine in the meanwhile. Then, for the binary translation from x64 architecture to RISC architecture, the data recovery method based on semantic mapping and balanced stack frame is proposed. Also, problems in data recovery for the user-defined procedure are solved by the proposed method.

关键词： Registers Semantics Libraries Reduced instruction set computing Computer architecture Layout Data mining

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A New Algorithm to Exploit Superword Level Parallelism

A New Algorithm to Exploit Superword Level Parallelism

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IEEE International Symposium on Dependable, Autonomic and Secure computing (DASC)

作者： Peng Liu Rong-cai Zhao Wei Gao Shuai Wei State Key Laboratory of Mathematical Engineering and Advanced Computing Zhengzhou China National Digital Switching System Engineering & Technology Research Center Zhengzhou China

Nowadays SIMD extensions became ubiquitous for computational platform, being widely used in signal processing, multimedia, and scientific applications. However, compilers still have difficult in vectorizing some applications, such as computations on non-contiguous and especially interleaved data, and loop nest for which inner loops that carry all the dependencies and external loops with strided memory accesses. In order to solve these problems, we adopt Isomorphic Statements Grouping (ISG) after extending group following UD and DU chains, which group isomorphic computation statements that perform the same operation. And correspondingly, we generate vector permutation instructions according to the target ISA SIMD instructions at the SIMD code generation phase. This approach has been implemented in a compiler based on Open64 which translate C source program to C source program with SIMD intrinsic functions. Experiments with this compiler show that ISG Super Level Parallelism(ISG-SLP) can be used to compile a number of real-world kernels, achieving up to 3.11 speedup.

关键词： Vectors Arrays Finite impulse response filters Program processors Indexes Algorithm design and analysis Image processing

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G Bytes Data Hiding Method Based on Cluster Chain Structure

G Bytes Data Hiding Method Based on Cluster Chain Structure

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第七届中国可信计算与信息安全学术会议

作者： NIU Xiaopeng LI Qingbao WANG Wei WANG Yulong State Key Laboratory of Mathematical Engineering and Advanced Computing Zhengzhou 450002HenanChina PLA Information Engineering University Zhengzhou 450001HenanChina

Protecting the security of sensitive information has become a matter of great concern to *** hiding tech nique solves the problem to some extent, but still, some short comings remain for *** improve the capability of hid ing huge data file in disk with high *** this paper, we propose a novel approach called CryptFS, which is achieved by utilizing the file access mechanism and modifying the cluster chain structure to hide *** can quickly hide data file with G bytes size in less than *** time used for hiding and recovering data is irrelevant to the size of data file, and the reli ability of the hidden file is high, which will not be overlaid by new created file and disk defragment.

关键词： data hiding file system cluster chain index entry efficiency robustness

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Creating cluster states in flux qubits with XY-type exchange interactions

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Physical Review A 2013年第4期88卷 044303-044303页

作者： Zu-Rong Zhang Chun-Yan Li Chun-Wang Wu Hong-Yi Dai Cheng-Zu Li College of Science National University of Defense Technology Changsha 410073 People's Republic of China State Key Laboratory of Mathematical Engineering and Advanced Computing Zhengzhou 450000 People's Republic of China

We propose a theoretical scheme to generate flux-qubit clusters using XY interactions. In our scheme, two neighboring qubits are coupled via a dc superconducting quantum interference device (SQUID). All flux qubits are always biased at their optimal points. The XY interaction can be controlled by the bias current applied to the SQUID for the two coupled qubits with the same resonance frequencies or by the frequency of a microwave pulse applied to the SQUID for the two coupled qubits with unequal resonance frequencies. The generation of a d-dimensional cluster state needs only 2d steps. Existing technology allows us to rapidly modulate the bias current and easily control the frequency of the pulse, and thus our scheme is experimentally feasible.

关键词： Creating cluster states Scheme Bias currents Countries (nations) flux Clusters resonant frequencies microwave pulse Exchange interaction Superconducting quantum interference devices

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Interlayer vibrational modes in few-quintuple-layer Bi2Te3 and Bi2Se3 two-dimensional crystals: Raman spectroscopy and first-principles studies

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Physical Review B 2014年第24期90卷 245428-245428页

作者： Yanyuan Zhao Xin Luo Jun Zhang Junxiong Wu Xuxu Bai Meixiao Wang Jinfeng Jia Hailin Peng Zhongfan Liu Su Ying Quek Qihua Xiong Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore Institute of High Performance Computing 1 Fusionopolis Way #16-16 Connexis Singapore 138632 Singapore Department of Physics Centre for Advanced 2D Materials and Graphene Research Centre National University of Singapore 6 Science Drive 2 Singapore 117546 Singapore Center for Nanochemistry Beijing National Laboratory for Molecular Sciences (BNLMS) College of Chemistry and Molecular Engineering Peking University Beijing 100871 People's Republic of China Department of Physics Key Laboratory of Artificial Structures and Quantum Control Ministry of Education Shanghai Jiao Tong University Shanghai 200240 People's Republic of China NOVITAS Nanoelectronics Centre of Excellence School of Electrical and Electronic Engineering Nanyang Technological University Singapore 639798 Singapore

Layered materials, such as graphite/graphene, boron nitride, transition metal dichalcogenides, represent materials in which reduced size, dimensionality, and symmetry play critical roles in their physical properties. Here, we report on a comprehensive investigation of the phonon properties in the topological insulator Bi2Te3 and Bi2Se3 two-dimensional (2D) crystals, with the combination of Raman spectroscopy, first-principles calculations, and group theory analysis. Low frequency (<30cm−1) interlayer vibrational modes are revealed in few-quintuple-layer (QL) Bi2Te3/Bi2Se3 2D crystals, which are absent in the bulk crystal as a result of different symmetries. The experimentally observed interlayer shear and breathing mode frequencies both show blueshifts, with decreasing thickness in few-QL Bi2Te3 (down to 2QL) and Bi2Se3 (down to 1QL), in agreement with first-principles calculations and a linear chain model, from which the interlayer coupling force constants can be estimated. Besides, an intense ultralow (<12cm−1) frequency peak is observed in 2–4QL Bi2Te3, which is tentatively attributed to a substrate-induced interface mode supported by a linear chain model analysis. The high frequency Raman peaks exhibit frequency shifts and broadening from 3D to 2D as a result of the phonon confinement effect. Our studies shed light on a general understanding of the influence of dimensionality and crystal symmetry on the phonon properties in layered materials.

关键词： RAMAN spectroscopy GROUP theory CRYSTAL symmetry GRAPHITE BORON nitride TRANSITION metals PHONONS

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Stochastic Multi-Symplectic Integrator for Stochastic Nonlinear Schrodinger Equation

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Communications in Computational Physics 2013年第7期14卷 393-411页

作者： Shanshan Jiang Lijin Wang Jialin Hong College of Science Beijing University of Chemical TechnologyBeijing 100029P.R.China School of Mathematical Sciences Graduate University of Chinese Academy of SciencesBeijing 100049P.R.China State Key Laboratory of Scientific and Engineering Computing Institute of ComputationalMathematics and Scientific/Engineering ComputingAcademy of Mathematics and System ScienceChinese Academy of SciencesP.O.Box 2719Beijing 100190P.R.China

In this paper we propose stochastic multi-symplectic conservation law for stochastic Hamiltonian partial differential equations,and develop a stochastic multisymplectic method for numerically solving a kind of stochastic nonlinear Schrodinger *** is shown that the stochasticmulti-symplecticmethod preserves themultisymplectic structure,the discrete charge conservation law,and deduces the recurrence relation of the discrete *** experiments are performed to verify the good behaviors of the stochastic multi-symplectic method in cases of both solitary wave and collision.

关键词： Stochastic nonlinear Schrodinger equations stochasticmulti-symplectic Hamiltonian systems multi-symplectic integrators

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The Research on Cryptographic Algorithms Recognition Technology

The Research on Cryptographic Algorithms Recognition Technol...

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International Conference on Intelligent System Design and engineering Application (ISDEA)

作者： Rui Chang Liehui Jiang Hui Shu Yaobin Xie State Key Laboratory of Mathematic Engineering and Advanced Computing Zhengzhou Henan China

At present, the research on security of computer system and searching for malicious codes pays more attention to cryptographic algorithms recognition technology. However, the existing theories or tools in the field of cryptographic algorithms recognition are not mature. In order to improve the accuracy of cryptographic algorithms recognizing, this paper discusses encryption and decryption functions characteristic information database and proposes a recognition model to recognize cryptographic algorithms from binary files. The accuracy assessment indicates the model is effective and feasible.

关键词： Algorithm design and analysis Ciphers Databases Information entropy Encryption Accuracy

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