I need an encryption algorithm that works fast on large files and doesn't increase the file...
I need an encryption algorithm that works fast on large files and doesn't increase the file size. It should use a key to encrypt/decrypt data. The files will be sent using REST and over HTTPS, but a good encryption/decryption method with a key is mandatory (to be used in a website).
The files will be saved on a 3rd party servers, and although the files are sent through HTTPS, they must be stored encrypted on the remote servers and decrypted when retrieved. The key will not be distributed. The key will be stored on my trusted server, as it is also the receiver! I want to encrypt the file, put it on the 3rd party server, then when I need it I can retrieve it and decrypt it.
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I need an encryption algorithm that works fast on large files
and doesn't increase the file...
Consider a system where a data files (F_i, and i denotes the file ID) is distributed...
Consider a system where a data files (F_i, and i denotes the file ID) is distributed over a cloud. A data file is generated by an author (AU_k, and k, denotes the author ID) and stored on a distribution server (DS). Only authorized users (US_1, and denotes the user ID) previously registered on the system using their private keys (KPR_1) are allowed to download the data. Users' public certificates (KPU_1) and revocation lists (CRL) are available on a trusted Certificate...
I need Help to Write a function in C that will Decrypt at least one word with a substitution cipher given cipher text an...
I need Help to Write a function in C that will Decrypt at least
one word with a substitution cipher given cipher text and key
My Current Code is:
void SubDecrypt(char *message, char *encryptKey) {
int iteration;
int iteration_Num_Two = 0;
int letter;
printf("Enter Encryption Key: \n");
//Display the message to enter encryption
key
scanf("%s", encryptKey);
//Input
the Encryption key
for (iteration = 0; message[iteration] != '0';
iteration++)
//loop will continue till
message reaches to end
{
letter = message[iteration];
...
1. In this lab, you will create a simple encryption function that will require a sentence...
1. In this lab, you will create a simple encryption function that will require a sentence and a key (both strings) as a parameter and return an encrypted version of the string. The encryption algorithm will use the exclusive OR operator (commonly abbreviated as XOR). The general structure of the encryption is that every position in the sentence is XOR'd with the accompanying position of the key. If the sentence is longer than the key, you repeat the key. For...
Implement in Go language AES encryption mode CBC with providing the packages name for Go language....
Implement in Go language AES encryption mode CBC with providing the packages name for Go language. You can implement AES-ECB Mode (the basic AES) from crypto/aes package and crypto/cipher.Block. You can also get the SHA-256 hash function from crypto/sha256. You can get the secure random numbers generator from crypto/rand package. However, the you will implement both CBC mode and HMAC from scratch. You are NOT allowed to use any libraries or packages to implement these two things for you. You...
Using C++ Part C: Implement the modified Caesar cipher Objective: The goal of part C is...
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I have a python project that requires me to make a password saver. The major part...
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Write code for RSA encryption package rsa; import java.util.ArrayList; import java.util.Random; import java.util.Scanner; public class RSA...
Write code for RSA encryption package rsa; import java.util.ArrayList; import java.util.Random; import java.util.Scanner; public class RSA { private BigInteger phi; private BigInteger e; private BigInteger d; private BigInteger num; public static void main(String[] args) { Scanner keyboard = new Scanner(System.in); System.out.println("Enter the message you would like to encode, using any ASCII characters: "); String input = keyboard.nextLine(); int[] ASCIIvalues = new int[input.length()]; for (int i = 0; i < input.length(); i++) { ASCIIvalues[i] = input.charAt(i); } String ASCIInumbers...
This is my assignment prompt This is an example of the input and output This is...
This is my assignment prompt
This is an example of the
input and output
This is what I have so far
What is the 3rd ToDo in the main.cpp for
open the files and read the encrypted message? Does the rest of the
code look accurate?
Programming Assignment #6 Help Me Find The Secret Message Description: This assignment will require that you read in an encrypted message from a file, decode the message, and then output the message to a...
Develop a Java application that uses a type of encrypted alphabet, called a random monoalphabetic cipher,...
Develop a Java application that uses a type of encrypted alphabet, called a random monoalphabetic cipher, to encrypt and decrypt a message. Your encryption key and message are to be read in from two different files and then the encrypted message will be output to third file. Then the encrypted message is read in and decrypted to a fourth file. A monoalphabetic cipher starts with an encryption word, removes the redundant letters from the word, and assigns what’s left to...
****************************************************************************************************************8 I want it same as the output and with details please and comments "For two...
****************************************************************************************************************8
I want it same as the output and with details please and
comments
"For two thousand years, codemakers have fought to preserve
secrets while codebreakers have tried their best to reveal them." -
taken from Code Book, The Evolution of Secrecy from Mary, Queen of
Scots to Quantum Cryptography by Simon Singh.
The idea for this machine problem came from this book.You will
encrypt and decrypt some messages using a simplified version of a
code in the book. The...
Consider a system where a data files (F_i, and i denotes the file ID) is distributed over a cloud. A data file is generated by an author (AU_k, and k, denotes the author ID) and stored on a distribution server (DS). Only authorized users (US_1, and denotes the user ID) previously registered on the system using their private keys (KPR_1) are allowed to download the data. Users' public certificates (KPU_1) and revocation lists (CRL) are available on a trusted Certificate...
I need Help to Write a function in C that will Decrypt at least
one word with a substitution cipher given cipher text and key
My Current Code is:
void SubDecrypt(char *message, char *encryptKey) {
int iteration;
int iteration_Num_Two = 0;
int letter;
printf("Enter Encryption Key: \n");
//Display the message to enter encryption
key
scanf("%s", encryptKey);
//Input
the Encryption key
for (iteration = 0; message[iteration] != '0';
iteration++)
//loop will continue till
message reaches to end
{
letter = message[iteration];
...
This is my assignment prompt
This is an example of the
input and output
This is what I have so far
What is the 3rd ToDo in the main.cpp for
open the files and read the encrypted message? Does the rest of the
code look accurate?
Programming Assignment #6 Help Me Find The Secret Message Description: This assignment will require that you read in an encrypted message from a file, decode the message, and then output the message to a...
****************************************************************************************************************8
I want it same as the output and with details please and
comments
"For two thousand years, codemakers have fought to preserve
secrets while codebreakers have tried their best to reveal them." -
taken from Code Book, The Evolution of Secrecy from Mary, Queen of
Scots to Quantum Cryptography by Simon Singh.
The idea for this machine problem came from this book.You will
encrypt and decrypt some messages using a simplified version of a
code in the book. The...
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