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

Find area under curve, write a c program to find the area under the curve4...

write a c program to find the area under the curve4 f=(x) between x=a and x=l integrate y=(x) between the limits of a and b Solution: #include float start_point,

Link list, For this program you will add and test 2 new member functions to...

For this program you will add and test 2 new member functions to the IntSLList class posted on the website. The two member functions are: insertByPosn(int el, int pos) Assuming t

Student, Ask4. Write a query to display the columns listed below. The query...

Ask4. Write a query to display the columns listed below. The query should list each customer in which the video rental is overdue. The Days_Overdue column should calculate the numb

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

Prepare a mt4 ea to clone mt4 trades to a binary options, Prepare a MT4 EA ...

Prepare a MT4 EA to clone MT4 Trades to a Binary Options Platform Project Description: I want an EA that clones MT4 Trades to Globaltrader365, GT Options and if possible othe

Array of structure, how to define a array of structure

how to define a array of structure

Lexicographic permutation, Ask questioGiven an integer n and a permutation ...

Ask questioGiven an integer n and a permutation of numbers 1, 2 ... , n-1, n write a program to print the permutation that lexicographically precedes the given input permutation. I

Define array of structures, Define Array of Structures? An Array of Str...

Define Array of Structures? An Array of Structures is an assortment of the same data types which are declared as structures. It is useful to store large and different number of

What is a conversion constructor c++, A constructor that accepts one argume...

A constructor that accepts one argument of a dissimilar type.

Assignment, Help for tomorrow...?

Help for tomorrow...?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages