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

I need computer application/program, I need Computer application/program. ...

I need Computer application/program. Project Description: I want a project done. It is a computer desktop appli

ARRAY, A PROGRAM TO CALCULATE AREA OF TRIANGLE

A PROGRAM TO CALCULATE AREA OF TRIANGLE

Program to find shortest path between two nodes, Ques.Implement a c/c++ pro...

Ques.Implement a c/c++ program to find a shortest path between two nodes in a network?network should be taken as an adjacency matrix.

What are the differences among a struct in c & in c++?, A: In C++ a struct ...

A: In C++ a struct is alike to a class except for the default access specifier( refer to other question in the document). In C we ought to include the struct keyword while declarin

Add words in dictionary - c++ program, Add words in Dictionary: void D...

Add words in Dictionary: void Dictionary::add( Object& objectToAdd ) { if( !objectToAdd.isAssociation() ) ClassLib_error( __ENOTASSOC ); else

C program for function of average, C program for function of average ...

C program for function of average int average(int); void main() { int max=0,c=0; clrscr(); printf("ENTER THE LIMIT OF INPUT FOR AV

Differentiate between functions getch () and getche (), Differentiate betwe...

Differentiate between functions getch () and getche (). - Both functions accept a character input value from user. - When getch () is used, key that was pressed won't appear

C programs, accept principal amount,rate of interest, & duration from the u...

accept principal amount,rate of interest, & duration from the user. display interest amount and total amount

Amie, what happens when the following command is used? chmod u=rwx,go=r-x f...

what happens when the following command is used? chmod u=rwx,go=r-x foo

Types of linked list with the help of diagrams, Problem: (a) Describe ...

Problem: (a) Describe a linked list. (b) Explain the three different types of linked list with the help of diagrams. (c) Give two advantages and two disadvantages o

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages