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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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

if you again feel trouble on matlab coding for image encryption and decryption using aes algorithm please reply in that page and ask specific fields in matlab coding for image encryption and decryption using aes algorithm ....etc

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To get full information or details of ppt on abstract of rsa encryption and decryption using java please have a look on the pages

http://javamextutorials/cryptography/rsa_encryption.shtml

https://javadigest.wordpress2012/08/26/rsa-encryption-example/

http://javacirecepjava-security/java-rsa-encryption-decryption-example/

http://scanftreeprograms/java/implementation-of-rsa-algorithmencryption-and-decryption-in-java/

if you again feel trouble on ppt on abstract of rsa encryption and decryption using java please reply in that page and ask s ....etc

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Encryption and decryption are fundamental requirements of every secure-aware application, therefore the Java platform provides strong support for encryption and decryption through its Java Cryptographic Extension (JCE) framework which implements the standard cryptographic algorithms such as AES, DES, DESede and RSA. This tutorial shows you how to basically encrypt and decrypt files using the Advanced Encryption Standard (AES) algorithm. AES is a symmetric-key algorithm that uses the same key for both encryption and decryption of data.

package ....etc

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import java.math.BigInteger;
import java.util.Random;
import java.io.*;

public class RSA {

private BigInteger p;
private BigInteger q;
private BigInteger N;
private BigInteger phi;
private BigInteger e;
private BigInteger d;
private int bitlength = 1024;
private int blocksize = 256; //blocksize in byte

private Random r;
public RSA() {
r = new Random();
p = BigInteger.probablePrime(bitlength, r);
q = BigInteger.probablePrime(bitlength, r);
N = p.multiply(q);

phi = p.subtract(BigInteger.ONE) ....etc

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i want code for encryption and decryption of files using rsa algorithm in java..plz help me
[email protected] ....etc

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To get full information or details of encryption and decryption in java using rsa source code of image please have a look on the pages

http://seminarsprojects.net/Thread-a-novel-method-of-encryption-using-modified-rsa-algorithm-and-chinese-remainder-theor?pid=33540#pid33540

http://seminarsprojects.net/Thread-encryption-decryption-full-report?pid=13632

if you again feel trouble on encryption and decryption in java using rsa source code of image please reply in that page and ask specific fields in encryption and decryption in java using rsa ....etc

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HELLO..
PLAESE HELP ME FOR MY PROJECT.
SEND ME THE COPY OF SYNOPSIS OF THE PROJECT ON ENCRYPTION DECRYPTION ....etc

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I want to encrypt and decrypt my image using rc4 stream cipher in matlab. Can you send the matlab code for it. ....etc

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In cryptography the only need of high importance is
security of data.Few ways to achieve it is through public
key cryptography(PKC),secret key cryptography(SKC) and
using hash functions. Generic PKC employs two keys that
are mathematically related although knowledge of one key
does not allow someone to easily determine the other key.
One key is used to encrypt the plaintext and the other key is
used to decrypt the ciphertext(encrypted data). Because a
pair of keys are required, this approach is also called
asymmetric cryptography. T ....etc

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