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

Program is to append the contents of one file to another, Program is to app...

Program is to append the contents of one file to another: void main() { clrscr(); fstream file1,file2; char st1[13],st2[13];/* 13 because a filename canno

If statement, Write a program to input two integers. If they are equal disp...

Write a program to input two integers. If they are equal display "The numbers are equal". Otherwise display a message if the first is a multiple of the second or if it is not a mul

Padovan string, padovan string program 1 : package test.padovanstring; ...

padovan string program 1 : package test.padovanstring; public class PadovanString { public int stringOccurrences(int n, String str){ if(n >= 40) return -

Pointer to function, Pointer to function: int mul(int a, int b, int c) ...

Pointer to function: int mul(int a, int b, int c) { return a*b*c; } void main() { int (*function_pointer)(int, int, int); function_pointer = &mul;

C program to create, Aim: To implement a program to create, update & displ...

Aim: To implement a program to create, update & display account & admin record of person using display account & admin records of person using virtual base class.. Code:

Define bitwise-shift operators, Define Bitwise-Shift Operators? The shi...

Define Bitwise-Shift Operators? The shift operators perform suitable shift by operator on the right to the operator on the left. The right operator should be positive. The va

Area under curve, write a program to find the area under the curve y=f(x) b...

write a program to find the area under the curve y=f(x) between x=a and x=b integrate y=f(x) #include float start_point, /* GLOBAL VARIABLES */

Result management system for mca, pl i need this before 24 march pl send it...

pl i need this before 24 march pl send it

Write a program to act as an electronic safe, Write a program to act as an ...

Write a program to act as an electronic safe. If the correct code has been entered the program should display "Safe Open". If an incorrect code is input it should display "Alarm"

Define name mangling in c++??, A: The procedure of encoding the parameter t...

A: The procedure of encoding the parameter types along with the function/method name into a unique name is called as name mangling. The inverse procedure is called demangling. F

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages