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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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a modified aes based algorithm for image encryption

Abstract

Security in transmission storage of digital images has its importance in today's image communications and confidential video conferencing. Due to the increasing use of images in industrial process, it is essential to protect the confidential image data from unauthorized access. Advanced Encryption Standard (AES) is a well known block cipher that has several advantages in data encryption. However, it is not suitable for real-time applications. In this paper, we analyze and present a ....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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RSA

The RSA cryptosystem is a public-key cryptosystem that offers both encryption and digital signatures (authentication). Ronald Rivest, Adi Shamir, and Leonard Adleman developed the RSA system in 1977 .RSA stands for the first letter in each of its inventors' last names.

The RSA algorithm works as follows: take two large primes, p and q, and compute their product n = pq; n is called the modulus. Choose a number, e, less than n and relatively prime to (p-1)(q-1), which means e and (p-1)(q-1) have no common factors except 1. Find another numb ....etc

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

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

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To get full information or details of matlab coding for image encryption and decryption using aes algorithm please have a look on the pages

http://seminarsprojects.net/Thread-compact-and-efficient-encryption-and-decryption

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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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