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检索条件"主题词=encryption algorithm"

共 295 条记录，以下是281-290 订阅

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Towards Security of Cyber-Physical Systems using Quantum Computing algorithms

Towards Security of Cyber-Physical Systems using Quantum Com...

引用

IEEE International Conference on System of Systems Engineering (SoSE)

作者： Deepak Tosh Oscar Galindo Vladik Kreinovich Olga Kosheleva Department of Computer Science University of Texas at El Paso El Paso TX USA Department of Teacher Education University of Texas at El Paso El Paso TX USA

ISBN: (数字)9781728180502

ISBN: (纸本)9781728180519

For cyber-physical systems (CPS), ensuring process and data security is critically important since the corresponding infrastructure needs to have high operational efficiency with no downtime. There are many techniques available that make communications in CPS environments secure - such as enabling traffic encryption between sensors and the computers processing the sensor's data, incorporating message authentication codes to achieve integrity, etc. However, most of these techniques are dependent on some form of symmetric or asymmetric cryptographic algorithms like AES and RSA. These algorithms are under threat because of the emerging quantum computing paradigm: with quantum computing, these encryption algorithms can be potentially broken. It is therefore desirable to explore the use of quantum cryptography - which cannot be broken by quantum computing - for securing the classical communications infrastructure deployed in CPS. In this paper, we discuss possible consequences of this option. We also explain how quantum computers can help even more: namely, they can be used to maximize the system's security where scalability is never a constraint, and to ensure we are not wasting time cycles on communicating and processing irrelevant information.

关键词： cyber-physical systems security quantum cryptography quantum computations quantum computing Quantum cryptography Cyber-physical systems Security encryption algorithm Sensor Data Communications infrastructure message authentication Quantum computers Data Security algorithms

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Generalized Delayed Logistic Map Suitable For Pseudo-random Number Generation

Generalized Delayed Logistic Map Suitable For Pseudo-random ...

引用

International Conference on Science and Technology

作者： Samar M. Ismail Lobna A. Said Ahmed G. Radwan Ahmed H. Madian Mohamed F. Abu-ElYazeed Ahmed M. Soliman Faculty of IET German University in Cairo (GUC) Dept. of Engineering Mathematics and Physics Cairo University NISC Research Center Nile University Electronics and comm. Eng. Dept. Cairo University

ISBN: (纸本)9781467376716

This paper presents the generalization of a delayed version of the logistic map. The effect of the added two general parameters is studied, which offers the option of having three different maps. The dynamic behavior of the vertical, zooming and the general map is analyzed. The study of the fixed points, stability ranges and bifurcation diagram of the delayed logistic map at hand is detailed in this work. The flow of the system behavior from stability to chaos is also presented with its transient response as well as its phase plane portraits. Moreover, using the general parameters, the option of designing any specific map is validated by some design examples, which makes it more optimal for any specific applications. The added general parameters offer increased randomness with controllability of the map design, making it more suitable for pseudo-random sequence generators which are used in image encryption algorithms and in secure communication transfer.

关键词： Delayed logistic map 2D-map Bifurcation PRNG encryption cryptography BIFURCATION Logistic map Population parameter system behavior pseudo-random number encryption algorithm bifurcation diagram maps TRANSIENT RESPONSE

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Research on Attack and Defense of Android Mobile Screen Password

Research on Attack and Defense of Android Mobile Screen Pass...

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作者： Lei Wang School of information technology School of Jianqiao University

This paper mainly introduces the basic principle of screen graphics lock password and PIN password in Android system, and puts forward relevant protective measures, providing users with a better use of security experi... 详细信息

关键词： Graphic cryptography PIN password encryption algorithm

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The Research and Design of ATM PIN Pad Based on Triple DES

The Research and Design of ATM PIN Pad Based on Triple DES

引用

第八届IEEE信息与自动化国际会议(ICIC 2011)

作者： Wanping Wu Jianxun Jin Jun Cheng Center of Applied Superconductivity and Electrical Engin.University of Electronic Science and Techno Center of Applied Superconductivity and Electrical Engin.University of Electronic Science and Techno Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences.Shenzhen Guangdong ProvinceC

ISBN: (纸本)9781457702686

ATM(Automatic Teller Machine)PIN (personal identification number)pad is essential in *** present,DES (Data encryption Standard),RSA (public key encryption algorithm),DUKPT(Derived Unique Key per Transaction)etc encryption algorithm was applied in the ATM PIN *** the paper,a PIN Pad system is designed based on 3DES encryption algorithm,and the exception handling is added in the PIN Pad (such as:jitter,command coverage,the wrong password more than three times).The experimental results demonstrate feasibility of designed system.

关键词： 3DES encryption Microcontroller PIN Pad Microcontrollers exception handling PAD design system encryption algorithm

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Extensive Medical Data Storage With Prominent Symmetric algorithms On Cloud - A Protected Framework

Extensive Medical Data Storage With Prominent Symmetric Algo...

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IEEE International Conference on Smart Structures and Systems

作者： G. Nalinipriya R. Aswiri Kumar Associate Professor Saveetha Engineering College Chennai India. PG Scholar Saveetha Engineering College Chennai India.

ISBN: (纸本)9781467362429

The cloud is an emerging field in the IT. It is a way of delivering IT-enabled services in the form of software, platform and infrastructure. Cloud computing in recent times has become a trend among all walks of life to store and retrieve data from anywhere around the globe. With the rising cost for the data storage devices and data retrieval process;enterprises have moved to centralized storage for cost efficiency. This proves a greater task to the service providers in terms of security and consistency. As shared systems are prone to be attacked, various counter measures have been proposed by experts to secure the stored data. Here the data is being encrypted by the advanced encryption algorithm which is considered to be the most competent in the present security scenario. A symmetric key is generated to the stored file. To further enhance the trust of the service provider the trust certificate of the company is being sent along with the keys to the client. All the communication process is taken place using the Key Exchange protocol. These techniques are performed to ensure the client that the stored data is being secured, integrated and a total control over the route in which the data is being communicated. In this paper, a new efficient technique is proposed which indicates the effectiveness, flexibility of the storage and retrieval process by a generic framework. This framework fills the gap between the security needs and challenges.

关键词： Diffie Hellman Advanced encryption Standards - New Instructions Cloud Service Provider Data encryption Standards Message Digest Message Authentication Code and Cloud Security Alliance group Data Storage Data storage devices encryption algorithm Clients Nonprofit Organizations customers trust Trust CLOUDS Clouds Frameworks Keys Keys Cays Globe

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Improving Security in Optical Networks with Random Forwarding and Parallel Transmission

Improving Security in Optical Networks with Random Forwardin...

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IEEE Global Communications Conference

作者： Anna Engelmann Siqian Zhao Admela Jukan Technische Universitat Carolo-Wilhelmina zu Braunschweig

ISBN: (纸本)9781479959532

We focus on the problem on security, and to an extent, privacy in optical networks, under the assumption that the wiretap attacker either gains knowledge about secret key and encryption algorithm, or is able to decipher the identity of source and destination, and thus infer the user's privacy of communication. We propose two combined features to address this: (1) to parallelize the transmission between source and destination, i.e., split serial optical flows into multiple flows, and (2) to randomize the traffic forwarding along the parallel paths. To this end, we compare two forwarding methods for parallel transmission: i) explicit forwarding (PAR-EXP), akin to WDM networks with mulitpath routing, ii) random forwarding (PAR-RND), akin to either an optical packet switched network, or a multilayer optical network with Ethernet-based forwarding. The study shows that parallel transmission always increases security compared with serial transmission, whereby random forwarding is potentially more secure than explicit forwarding. We define the security degree of the network and show that it depends on various factors, such as the number of wiretap edges, network topology and number of disjoint paths available, and link capacity.

关键词： Fiber optic networks concurrent transmission destination increased safety serial transfer Security parallel paths link capacity encryption algorithm secret key wavelength division multiplexing network Packet switched networks public packet switching network Local Packet-switched Network Network topology

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Digital encrypt watermarking based on wavelet transform

Digital encrypt watermarking based on wavelet transform

引用

ICINS 2014 - 2014 International Conference on Information and Network Security

作者： Shibing Zhang Yanan Wu School of Electrical and Information Nantong University China

ISBN: (纸本)9781510804289

Watermarking encryption is an effective technique in the copyright protection of digital media. This paper focuses on the watermarking encryption and proposes a digital watermarking encryption algorithm which is based on Haar wavelet transform. In the algorithm, the watermark is pretreated with Arnold image transform according to the characteristic of the human vision system. It improves the security and the invisibility of watermark. Simulation results show that the algorithm is an effective encryption method and easy to be achieved.

关键词： Arnold transform Digital watermarking human visual system wavelet transform Digital watermarking wavelet transforms Watermarking cryptography Visual System computer vision encryption algorithm wavelets visibility

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A Network Traffic Prediction Model Based on Recurrent Wavelet Neural Network

A Network Traffic Prediction Model Based on Recurrent Wavele...

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International Conference on Computer Science and Network Technology

作者： Kun Zhang Yinping Chai Xing-an Fu Department of Mathematics Chuxiong normal university

ISBN: (纸本)9781467329637

The network traffic prediction model is the foundation of network performance analysis and designing. The traditional traffic models have the weakness of low-level efficiency. The recurrent wavelet neural network (RWNN) based on Elman network was proposed in the paper, and the dynamic gradient descent algorithm of RWNN was given, and could be used in the network traffic prediction. Experimental results show that the network traffic prediction model based on RWNN is feasible and effective.

关键词： TD-ERCS encryption algorithm Seed parameters traffic network telecommunication traffic encryption algorithm Wavelet neural networks recurrent neural nets Traffic models Hypodynamia

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Several security improvements of authentication solution based on Kerberos

Several security improvements of authentication solution bas...

引用

2017第二届亚太计算智能与信息技术学术会议 (APCIIT 2017)

作者： Nan Zhang Communication university of china

This paper is based on author's last paper:A lightweight authentication and authorization solution based on Kerberos(KLAS) [1]. In this paper,we pointed out some existing or potential security problems of KLAS,and put forward the corresponding improvement to solve these problems. The purpose is to make it better to deal with offline key guessing attack,replay attacks and other security problems,and analyses the security of improved KLAS,ultimately make it to be a practical and more secure solution.

关键词： authentication offline key guessing attack replay attack hash encryption algorithm

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E-REA Symmetric Key Cryptographic Technique

E-REA Symmetric Key Cryptographic Technique

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Emerging Trends in Information Technology and Engineering (ic-ETITE), Conference on

作者： B Dhanuja B. Prabadevi K Bhavani Shankari G. Sathiya School of Information Technology and Engineering Vellore Institute of Technology Vellore India

ISBN: (数字)9781728141428

ISBN: (纸本)9781728141435

As the internet evolves and computer networks grow bigger and bigger every day, network security has become one of the most unsafe factors for the companies towards digital computations. Security is a major concern in any kind of data communication. As technology evolves we tend to lose privacy indirectly. The process is automated but what about the data, where it goes how it is safeguarded still remains unanswered. By securing the web, one can decrease the chance of confidentiality spoofing, identity or information theft by the malicious or an intruder in the system, and factors that lead to the exploitation of resources. The information in transit includes our user credentials on different domains to the most private documents. So, privacy is the biggest challenge to enterprises that are victims of their effects. To transmit the data more securely, various cryptographic algorithms are used. These algorithms strive hard to avoid active and passive attacks. Though various cryptographic processes are being used to ensure the security of data, security in terms of various technicalities of the technique used such as key size plays a vital role in ensuring security. We propose a new and efficient cryptographic algorithm to secure the data from malicious attacks and provide data security during data transmission. This is the symmetric key encryption algorithm which uses same key for both encryption and decryption. The proposed algorithm is the enhancement of the Reverse encryption algorithm. The runtime estimation of the results obtained ensures that the algorithm is efficient and can be used for secure file transfer.

关键词： Cryptography Decryption encryption Spoofing Symmetric key cryptography Decryption Symmetric Key encryption algorithm computer information security Data Security Spoofing Companies cryptotechnique resource exploitation key length file transfers

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