i need c++ code to implement RSA Algorithm(Encryption and Decryption).docx

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i need c++ code to implement RSA Algorithm(Encryption and Decryption) make sure that the program must print p and the Encryption and Decryption here is the key generation n= p*q alpa(n) = (p-1) (q-1) d = e^-1 mod alpa (n) make sure the code is working and print the right Encryption and Decryption (it must be a code ) so please make sure its working before you solve it ) note that Encryption and Decryption are Letters, not numbers .

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import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Scanner; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class encryptFile { // The crypt() function encrypts or decrypts a byte array input, using // an 16-byte initialization vector (init), 16-byte password (pass), // and an integer mode (either Cipher.ENCRYPT_MODE or Cipher.DECRYPT_MODE) public static byte[] crypt(byte[] input, byte[] init, byte[] pass, int mode) { // TODO - Fill this out. } // The cryptFile() function opens a file at a specified string path, // then passes in the init, pass, and mode values to the crypt() function // to either encrypt or decrypt the contents of the file. It then writes // the encrypted or decrypted data back to the file. Note that it should // overwrite the existing file - so don't try it on a file that's actually // worth anything! public static void cryptFile(String path, byte[] init, byte[] pass, int mode) { // TODO - Fill this out. } // The menu() function provides a user interface for the script. It should // prompt the user to enter a file path, 16-byte initialization vector, // 16-byte password, and a mode (encrypt or decrypt). If the password or // initialization vector are too short or too long, the function should // re-prompt the user to re-enter the value. public static void menu() { // TODO - Fill this out. } // Just need to call the menu() function here public static void main(String[] args) { // Tests for crypt(); byte[] plain = "Hello World".getBytes(); byte[] pass = "aaaabbbbccccdddd".getBytes(); byte[] init = "gggggggggggggggg".getBytes(); byte[] cipher = crypt(plain, init, pass, Cipher.ENCRYPT_MODE); byte[] decrypted = crypt(cipher, init, pass, Cipher.DECRYPT_MODE); // This should print "Hello World" System.out.println(new String(decrypted)); // Uncomment below to test menu section once complete //menu(); } } than ideal - you generally want to use standardized implementations of cryptographic functions, as it's much less likely that they'll have internal defects or flaws that pose a security risk. For this lab, we'll use the javax.crypto libraries in Java. These libraries provide access to a number of cryptographically-related functions, including the ability to encrypt in AES and DES. A skeleton file has been provided called encryptFile.java. The crypt() function The first function we'll complete is the crypt() function. This function takes three byte arrays: an input, which is either a ciphertext or plaintext, a init, which is a 16 -byte initialization vector (for Chaining Block Mode), and a pass, which is a 16 -byte key. It also takes a mode, which is an integer. The Cipher module includes the modes declared as final static integers: Cipher.ENCRYPT_MODE Cipher.DECRYPT_MODE Inside the function, the first thing we need to do is pass the initializ.

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