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检索条件"主题词=encryption algorithm"

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A DEM Data Disguise algorithm Based on Matrix Transformation and Cryptographic algorithm

A DEM Data Disguise Algorithm Based on Matrix Transformation...

引用

International Congress on Image and Signal Processing

作者： Xuchong Liu Yong Luo College of information Science and Engineering Hunan University College of Science National University of Defense Technology

ISBN: (纸本)9781467390996

A disguise algorithm about DEM data is proposed in this paper, and it is based on matrix transformation and cryptographic algorithm. In this algorithm, a terrain is generated with a parametric surface, which is generated by the two element trigonometric function. The security communication of DEM data is realized through the discretization of the real DEM data and the terrain. Experiments prove that this algorithm is safe and efficient. This scheme can be used widely in DEM data protection field.

关键词： DEM data Matrix transformation Disguise algorithm encryption algorithm terrains algorithms Discretization matrices Circular Functions

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Electronic aircraft maintenance record signature technology based on SM2 cryptographic algorithm

Electronic aircraft maintenance record signature technology ...

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IEEE International Conference on Civil Aviation Safety and Information Technology (ICCASIT)

作者： Rui Liu Yingzhi Zou Xinfeng Chen Haitao Yang Division of Maintenance Engineering China Academy of Civil Aviation Science and Technology Beijing China China Academy of Civil Aviation Science and Technology Law Regulation and Standardization Institute Beijing China

ISBN: (纸本)9781728125992

The paperlessness of maintenance records is an inevitable trend in the development of civil aviation informationization. This paper proposes a method for the use of reliable electronic signatures for electronic records in maintenance paperless, and uses domestic cryptographic algorithms to propose electronic signatures for maintenance records. And for the specific work scenario of maintenance, the special signature idea of structured data and layout archive synchronous double signature is proposed. The electronic maintenance record signature method based on SM2 algorithm proposed in this paper is applied in the construction of an airline's electronic signature system.

关键词： Electronic signature Aircraft maintenance MIS Information security SM2 digital signatures aircraft maintenance computer information security Management Information Systems Records maintenance encryption algorithm Confidential Information Electronic records signatures

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A New Method to Solve B/S Structure of Network Information Security

A New Method to Solve B/S Structure of Network Information S...

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2nd International Conference on Communication Technology(ICCT 2015)

作者： Jianning Yang Jiankun Yang Kun Lin Yunnan Normal University Business School Wuhua District Yunnan Normal University Business School Network Center Kunming branch of China Telecom Co.Ltd Dehong Vocational College

This paper introduces a new method to solve B/S structure of network information security, namely uses the session ID as the key to achieve encryption transmission and identity of fake sensitive information in the network to prevent the B/S structure. The session identifier(hereinafter referred to as Sessionid) is in the user the first request for a particular WEB application documents, by the server through a random series of numbers generated by complex algorithm. Using Sessionid as the key string encryption method, avoids the key distribution management and custody of the trouble, the key is composed of system dynamic random generation, one-time, without user participation, and does not require additional hardware investment. Only need reasonable encryption algorithm in the application will achieve ciphertext transmission between client— server. Is a WEB application is very easy to implement the encryption method. The implementation of this method on how to apply the Sessionid algorithm, the problem of information encryption and prevent counterfeiting identity were described, and also expatiates on how the application uses the encryption method and the problems that should be paid attention to.

关键词： Information security encryption Session marked encryption algorithm

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Smart and simple method for encrypting and decrypting image based on crossover of GA

Smart and simple method for encrypting and decrypting image ...

引用

International Conference on Information Communication and Embedded Systems (ICICES)

作者： Gamil R.S. Qaid Alo Abdo M. Al-kubati Dept. of Computer Engineering Hodeidah University Hodeidah City - Yeman Dept. of Informatics Systems Community College Bisha University Bisha City-KSA

ISBN: (纸本)9781509025534

The current age is called the age of information technology. The security of transmitting and storing this information are facing a huge challenge. Traditional and classical methods are not suitabel to protect this information, especially when the type of this information is a part of multimedia such as image, audio and video. This type of information needs the high level of security. For that purpose, many researchers designed novel and smart techniques and methods. In this paper suggests a new algorithm to investiage the quality of encryption based on genetic algorithm to find out an optimization solution for security, robustness, quality and speed of encryption algorithm. In this method, the genetic algorithm has been incorportaed within encryption algorithm to find a optimization solution minimize possible time and maximize the performance algorithm.

关键词： encryption algorithm Security level information technology Gallium Genetic Crossing Over Genetic algorithm (GA) Imagery (Psychotherapy) Image images cryptography MULTI-MEDIA SYSTEM

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A Low Cost High Performance Polynomial Multiplier Design For FPGA Implementation

A Low Cost High Performance Polynomial Multiplier Design For...

引用

International Conference on Electronics Technology (ICET)

作者： Liejun Ma Xingjun Wu Guoqiang Bai Institute of Microelectronics Tsinghua University Beijing China

ISBN: (数字)9781728162836

ISBN: (纸本)9781728162843

In the last few years, with the fleeting progress of quantum computer the traditional encryption technology is being threatened. Lattice based cryptography is a new post quantum cryptography which has been proved the security under the quantum computer attack. However, due to the limitation of communication frequency and power consumption, it is difficult to implement the lattice based cryptographic algorithm on the existing general processor platform. The polynomial multiplication is the most basic and critical operation in these lattice based cryptographic systems. It is also the computationally intensive operation which is more suitable for hardware implement. In this paper, we proposed a small area, low-power polynomial multiplier design in a specific field. Our scheme not only ensures the performance requirements, but also reduces the overhead of area and power consumption. The proposed scheme in this paper need not use the DSP resources on FPGA so that we can maximize the parallel NTT butterfly operators to improve the computing efficiency. It is a low-cost, high-performance implementation scheme.

关键词： post quantum cryptography lattice RLWE polynomial multiplication NTT crystal lattices Quantum computers cryptography Field programmable gate arrays Power consumption cryptographic system encryption algorithm Polynomial Multiplying circuits Quantum cryptography

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A Survey on Hardware Implementation of Cryptographic algorithms Using Field Programmable Gate Array

A Survey on Hardware Implementation of Cryptographic Algorit...

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International Conference on Communication Systems and Network Technologies (CSNT)

作者： Keshav Kumar K.R. Ramkumar Amanpreet Kaur Somanshu Choudhary Chitkara University Institute of Engineering and TechnologyChitkara University Punjab India

ISBN: (数字)9781728149769

ISBN: (纸本)9781728149776

In the past recent years the idea towards secure data communication is increasing day by day. The secure communication is being achieved by applying various cryptographic algorithms on the data which is to be transferred over wireless networks. The different cryptographic algorithms that are generally practiced in the current cyber world are Advanced encryption Standard (AES), Data encryption Standard (DES), RSA algorithm, Message Digest 5 (MD5), Secure Hash algorithm (SHA). All these algorithms are highly secured with sound and complex mathematical computations that makes the hacker tedious to breach the data which is protected by these algorithm. The hardware implementation of algorithms enhances the speed, efficiency and reliability of security standards. In this work the Field Programmable Gate Array (FPGA) implementation of various cryptographic algorithms is discussed in details. The main motivation behind the FPGA implementations of Security algorithms is to increase the speed and decrease delays of software implementations. There are millions of logic gates that are clustered in FPGA, this brings new innovations to existing algorithms. This paper surveyss the parameters such as throughput, operating frequency, number of slice registers used and number of clock cycles of FPGA that have the major role in execution process of cryptographic algorithms. Comparative analysis on hardware implementation of security algorithms on different FPGA's is also done.

关键词： FPGA Cryptographic algorithm Secure Communication Throughput Frequency Clock cycles Slice registers Field programmable gate arrays Communication system security algorithms Throughput encryption algorithm clock cycle Safety standards

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Analyzing Energy and Time Overhead of Security Mechanisms in Wireless Sensor Networks

Analyzing Energy and Time Overhead of Security Mechanisms in...

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International Conference on Systems, Signals and Image Processing

作者： P. Trakadas T. Zahariadis H. C. Leligou S. Voliotis K. Papadopoulos Dept. of Electrical Engineering TEI of Chalkis Psahna Chalkis Greece

ISBN: (纸本)9788022728560

The primary requirements of a successful Wireless Sensor Network security architecture are confidentiality, integrity and authentication. Most of these security objectives can be addressed using appropriate hash functions and cryptography schemes. By applying these mechanisms, the energy consumption increases, shortening the sensor node lifetime. On the other hand, the selection of a highly secure encryption algorithm might lead to unacceptable computational time, taking into account the constrained processor power of the sensor nodes. This paper presents an overview of the results published in the literature regarding time and energy consumption overhead of hashing and encryption mechanisms in Wireless Sensor Networks. The evaluation of these results helps on the selection of the appropriate algorithms, depending on the application.

关键词： Sensor networks Security Energy consumption overhead Wireless sensor networks Sensor networks Security Goals node lifetime Security energy consumption hashing cryptography encryption algorithm

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Several security improvements of authentication solution based on Kerberos

Several security improvements of authentication solution bas...

引用

2017 Asia-Pacific Computational Intelligence and Information Technology Conference

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 *** 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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Cryptography using Artificial Intelligence

Cryptography using Artificial Intelligence

引用

International Joint Conference on Neural Networks

作者： Jonathan Blackledge Sergei Bezobrazov Paul Tobin School of Mathematics Statistics and Computer Science University of KwaZulu-Natal Durban South Africa Intelligent In formation Technologies Department Brest State Technical University Brest Belarus School of Electrical and Electronic Engineering Dublin Institute of Technology Dublin Ireland

ISBN: (纸本)9781479919611

This paper presents and discusses a method of generating encryption algorithms using neural networks and evolutionary computing. Based on the application of natural noise sources obtained from data that can include atmospheric noise (generated by radio emissions due to lightening, for example), radioactive decay, electronic noise and so on, we 'teach' a system to approximate the input noise with the aim of generating an output nonlinear function. This output is then treated as an iterator which is subjected to a range of tests to check for potential cryptographic strength in terms of metric such as a (relatively) large positive Lyapunov exponent, high information entropy, a high cycle length and key diffusion characteristics, for example. This approach provides the potential for generating an unlimited number of unique Pseudo Random Number Generator (PRNG) that can be used on a 1-to-1 basis. Typical applications include the encryption of data before it is uploaded onto the Cloud by a user that is provided with a personalized encryption algorithm rather than just a personal key using a 'known algorithm' that may be subject to a 'known algorithm attack' and/or is 'open' to the very authorities who are promoting its use.

关键词： coding and encryption artificial intelligence multiple algorithms personalised encryption engines artificial neural networks evolutionary computing Artificial Intelligence encryption algorithm cryptography Artificial neural networks Data encryption Pseudorandom number generator atmospherics input noise Lightening of fetus Noise sources

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Performance Evaluation for DES and AES algorithms-An Comprehensive Overview

Performance Evaluation for DES and AES Algorithms-An Compreh...

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IEEE International Conference on Recent Trends in Electronics, Information & Communication Technology

作者： Sriperumbuduru Srilaya Sirisha velampalli Department of computer science CR RAO AIMSCS University of Hyderabad

ISBN: (数字)9781538624401

ISBN: (纸本)9781538624418

Now-a-days there is fast evolution of internet and network applications so information security is very much important for secure transmission of data over an electronic way. Cryptography plays a very important role in providing information security and protecting system from malicious attacks. It has many encryption algorithms to scramble the data and convert it to an unreadable format. Each algorithm differs based on few characteristics such as ability to protect from attacks, performance and speed, memory usage, power consumption. The main aim of designing a cryptographic algorithm is to accomplish security. Each algorithm differs by simulation time, memory usage and power consumption. In this work we evaluate two most commonly used symmetric algorithms namely DES (Data encryption Standard), AES (Advanced encryption Standard). A comparative analysis has been done using performance evaluation metrics of each algorithm based on input size. The metrics are encryption/decryption time, throughput, power consumption, memory consumption, simulation time.

关键词： Cryptography Symmetric cryptography DES (data encryption standard) AES (advanced encryption standard) cryptography Performance Evaluation computer information security encryption algorithm DES gene Diethylstilbestrol symmetric cryptography Power consumption secure transmission network applications AES gene Auger electron spectroscopy algorithms Confidential Information Data encryption Standard

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