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

Vectors, A body which has three forces acting on it is in equilibrium. One ...

A body which has three forces acting on it is in equilibrium. One force is 3N to the North and the other is 4N to the west. What us the magnitude and direction of the third force?

Wap to print any name on screen 10 times, WAP TO PRINT ANY NAME ON SCREEN 1...

WAP TO PRINT ANY NAME ON SCREEN 10 TIMES void main () { int a=1; clrscr(); do { printf ("expertsmind\n"); a++; } while (a getch (); }

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

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

Fill an array of randomly generated integers, The task consists of two part...

The task consists of two parts which are both preferably implemented in one source file. Towards the end of this document you will find a code skeleton that you must assume. Start

Luminous Jewels - The Polishing Game, within 2 mins give me answer pllzzzzz...

within 2 mins give me answer pllzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Arrays, how to write the code for operation research

how to write the code for operation research

Virtual constructor, Is it possible to have Virtual Constructor? If yes, ho...

Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible?

How to write Bernoulli''s principle, compose a C program to solve the equat...

compose a C program to solve the equation z2=(p1/Pg)+(v1^2/2g)+z1 p1=100kpa,v1=2m/s z1=3m P=1000kg/m^3 define g=9.81

Area under curve , c-program to find the area under the curve y=f(x) betwe...

c-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 #include float start_point, /

what does it mean to declare a member variable as a static, b) The static ...

b) The static keyword let a variable to maintain its value among distinct function calls. If the value of a static variable alters while the variable has been accessed, variable

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages