Programming C/C++ need a answer, C/C++ Programming

Assignment Help:

3. Write a program to encrypt and decrypt strings of characters using the following ciphers:
a) Caesar cipher
b) Vigenere cipher
c) Matrix transposition cipher

Your program should contain functions/methods to encrypt a given plaintext string of characters and a key and generate the corresponding ciphertext. It should also contain functions/methods to decrypt a ciphertext string of characters and generate the corresponding plaintext. Submit the source codes and sample runs of the program.

Related Discussions:- Programming C/C++ need a answer

To find minimum number of shelves, a c++ program

a c++ program

We want database development, Presently we are using several spreadsheets t...

Presently we are using several spreadsheets to give weekly activity and income reports. Much of the information is being frequently re-keyed into several spreadsheets - we are look

Flowchart.., flowchart of c programing to check the given number is prime o...

flowchart of c programing to check the given number is prime or not

Area under curve, Write a program to find the area under the curve y = f(x)...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b

Verifone pos offline mod vx670, Verifone pos offline mod vx670 Project D...

Verifone pos offline mod vx670 Project Description: I want a programmer who will build custom application for Offline VX670 to collect and save info+pin 1) Press the am

Explain access privileges, Access privileges 1. If the designer of the ...

Access privileges 1. If the designer of the base class needs no one, not even a derived class to access a member, then that member should be made private. 2. If the designer

Build a standalone module to extract and parse, A skilled programmer is req...

A skilled programmer is required to build a standalone module to extract, parse and store in database tables, word count data from web pages and RSS feeds. The module will take

Implementing functions, An employee’s total weekly pay equals the hourly wa...

An employee’s total weekly pay equals the hourly wage multiplied by the total number of regular hours plus any overtime pay. Overtime pay equals the total overtime hours multiplied

Program to implement a ftp client, Write a program in C to implement a FTP ...

Write a program in C to implement a FTP client that can interoperate with a default FTP server . The client should implement basic FTP commands GET PUT LIST DELE . GET -> to

C program to swap two numbers using reference arguments, Aim: To implement...

Aim: To implement a program to swap two numbers using reference arguments. Code: void swap(int *a, int *b) { int temp; temp=*a;

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages