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

Main-elipse -vector-arrays in cpp , Unlike C++, other programming languages...

Unlike C++, other programming languages have associative arrays that allow array indices to be strings instead of just integers. You are to create a template class, SVector, that i

Compiler design-limit the methods, Problem : Compiler Design - Limit the me...

Problem : Compiler Design - Limit the methods Rahul is a newbie to the programming and while learning the programming language he came to know the following rules: Ã‚Â·

How are postfix and prefix versions of operator++ , How are postfix and pre...

How are postfix and prefix versions of operator++ () differentiated? A: The postfix version of operator++ () contain a dummy parameter of type int. The prefix version does not c

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.

Change to palindrome, A palindrome is a string that reads the same from bot...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

Program to create a query from database, Implement (a part of) electronic e...

Implement (a part of) electronic election Scenario where following political parties are participating in election: PPP, PML and PTI. Create a class PollingStation where it stor

Facebook auto like system, I want a PROGRAM - Facebook auto like system to ...

I want a PROGRAM - Facebook auto like system to increase fans to different fanpage It has in a program that take Facebook mails and passwords from a excel file (.xlsx) for examp

Define pure virtual function or abstract class?, Define pure virtual functi...

Define pure virtual function or abstract class?

#Program, Write a program that accepts two real numbers from a user and a s...

Write a program that accepts two real numbers from a user and a select code. If the entered select code is 1, have the program add the two previously entered numbers and display t

Explain recursive functions, Recursive Functions Recursion is a process...

Recursive Functions Recursion is a process by which a function includes itself with a condition for its safe exit. It is best suitable for a recursive problem. A typical exampl

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages