Hi i need malab code for generation of pn code based on residue number system as soon as possible ....etc

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Introduction
One of the challenges in cryptography is generating seemingly random number sequences for use as encryption keys.

As you may know, any random number generated by a computer is not really random, it is what is called pseudo-random the numbers come from recursively solving a mathematical equation from a given seed number. The sequence will be different with each given seed value, and if you have a set of numbers and access to the algorithm that created them, it wouldn t take a computer very long to determine the seed value ....etc

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ABSTRACT

Chaos maps and chaotic systems have been proved to be useful and effective for cryptography. In our study, the two-dimensional logistic map with complicated basin structures and attractors are first used for image encryption. The proposed method adopts the classic framework of the permutation-substitution network in cryptography and thus ensures both confusion and diffusion properties for a secure cipher. The proposed method is able to encrypt an intelligible image into a random-like one from the statistical point of view and the hum ....etc

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pls!! provide me a new chaos steganography algorithm for hiding multimedia data ppt ..

i would be happy and thankful if i am provided with the ssame.. ....etc

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ABSTRACT
E-commerce is an outcome of globalization and technology outbreak of 21st century. Increasingly, more products and services are sold over Internet; hence, there is a growing need for a combination of legislation and technical solutions to globally secure customer privacy. Credit card fraud is one of the crimes especially when it is used for Web-based transaction. In this paper, a technical solution using Iris authentication technique is proposed for protecting identity theft in e-commerce transactions becaus ....etc

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In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption techniques. In this communication, we propose a new approach for image encryption based on chaotic logistic maps in order to meet the requirements of the secure image transfer. In the proposed image encryption scheme, an external secret key of 80-bit and two chaotic logistic maps are employed. The initial conditions for the both logistic maps are derived using the external secret key by providing different weig ....etc

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To get full information or details of chaotic image encryption matlab source code please have a look on the pages

http://seminarsprojects.net/Thread-a-new-chaotic-algorithm-for-image-encryption

if you again feel trouble on chaotic image encryption matlab source code please reply in that page and ask specific fields in chaotic image encryption matlab source code ....etc

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This article is presented by:
Poonam Argade
B.E Mechanical (A)

ABSTRACT

This report is divided into two sections The Theory and Applications. The theory starts with a basic approach involving fundamental concepts of chaos- nonlinearity, iteration, bifurcation and strange attractors. The more advanced mathematical concepts of Mandelbrot sets, Universality and Fractals are dealt with a simple overview without much detail. Due to the mathematical nature of the the ....etc

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you can refer these page details of an efficient iris authentication usin chaos cryptography for eCommerce transaction page link bellow

http://seminarsprojects.net/Thread-an-efficient-iris-authentication-using-chaos-theory-based-cryptography-for-e-commerce?pid=51730#pid51730 ....etc

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Abstract

Chaotic cryptography is the application of the mathematical chaos theory to the practice of the cryptography, the study or techniques used to privately and securely transmit information with the presence of an third-party or adversary. The use of chaos or randomness in cryptography has long been sought after by entities wanting a new way to encrypt messages. However, because of the lack of thorough, provable security properties and low acceptable performance, chaotic cryptography has encountered setbacks.In order to use chaos theory a ....etc

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