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

Write a program for calculating value of an integer, Write a Program for Ca...

Write a Program for Calculating Value of an Integer? For a clear understanding of recursive function we shall see an illustration for calculating value of an integer. main() {

What operators can or cannot be overloaded?, A: Mostly can be overloaded. T...

A: Mostly can be overloaded. The only C operators which can't be are. and?: (and sizeof, that is technically an operator). C++ adds a few of its own operators, mostly which can be

Command-line arguments, Command-line arguments are passed into programs usi...

Command-line arguments are passed into programs using the arguments of main(). Here's a quick example, for a program called by typing "progname file.txt 1 2.7": #include #incl

Program for vovals, i need short program

i need short program

Decodethecode, 6999066263304447777077766622337778 -----> message sent by th...

6999066263304447777077766622337778 -----> message sent by the first smuggler. my name is robert---------> message decoded by the second smuggler. Where ‘0’ denotes the "space".

Explain the use of functions in c++ programs, Question: (a) Write shor...

Question: (a) Write short notes on arrays. Extend your answer by putting emphasis on memory allocation. (b) Write a C++ program to input an integer n followed by n real-

Explain automatic variables, Automatic Variables Automatic variables ar...

Automatic Variables Automatic variables are variable which are explained within the functions. They lose their value when the function terminates. It can be accessed only in th

Arrays, how to declare arrays

how to declare arrays

Explain formatted input output with file pointer, Explain Formatted Input O...

Explain Formatted Input Output with File Pointer? Likewise there are equivalents to the functions scanf and printf which write or read data to files. These are called fscanf a

Write a recursive function with cylinders, I need to make a fractal trees i...

I need to make a fractal trees in OpenGL C++ . The method used is to write a recursive function with cylinders of different sizes and angles to create the tree trunk and branches.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages