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

Padovan string, A Padovan string P(n) for a natural number n is defined as:...

A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a string of t

Bulk listing posting for a site like ebay, Project Description: I posted...

Project Description: I posted listings on a site that is like eBay but for video games. I post the similar listing many times daily, but need something that will let me post

.Compiler Design - Limit the Method Instructions, i want this topic related...

i want this topic related programm

Binary search tree and graph, Important Note: No course works, which have b...

Important Note: No course works, which have been submitted via hard copies or emails, will be accepted a short essay below edited in a document (word, other) files with

Can i employ realloc() on pointers allocated through new?, A: No. ...

A: No. While realloc() need to copy the allocation, this uses a bitwise copy operation, that will tear several C++ objects to shreds. C++ objects must be allowed to copy t

Programing, Define a structure to store roll no, name and marks of a studen...

Define a structure to store roll no, name and marks of a student. b) Using the structure of Q2. a), above write a ''C'' program to create a file "student.dat". There must be one r

Computer Science 101, This is what I need help with. "Create a program cre...

This is what I need help with. "Create a program creates an interface allowing the user to select from some other programs I have made one being a money converter and the other ca

Use of a windows box, This program requires the use of a windows box, no co...

This program requires the use of a windows box, no console applications are allowed. Prepare for Christmas now. Each year, Reindeer Gift Emporium publishes a Christmas price list

Create three classes program in cpp, In this worksheet you are asked to wri...

In this worksheet you are asked to write three classes in C++: Lecture class, Course class and University class. The classes relate to each other in the way that a Course has many

Stone Game - Remove Last, #include int main() { int T; ...

#include int main() { int T; int N; int i; scanf("%d",&T)

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages