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

Write a c program that accepts the year and weight , Based on the automobil...

Based on the automobile's model year and weight, the city of Cebu determines the car's weight class and registration fee using the following schedule: Model Year Registration

Define one's complement operator, Define One's Complement Operator? The...

Define One's Complement Operator? The one's complement operator, occasionally called the "bitwise NOT" or "bitwise complement" operator produces the bitwise one's complement of

Recursive function, Binomial coefficients are the numeric factors of the pr...

Binomial coefficients are the numeric factors of the products in a power of a binomial such as (x + y)n. For example, (x + y)2 = x2 + 2 x y + y2 has the coefficients 1 2 1. Binomia

Using the substitution model illustrate the process, Each of the following ...

Each of the following two procedures defines a method for adding two positive integers in terms of the procedures inc, which increments its argument by 1, and dec, which decrements

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

#title.jewel polish., Ask questionByteland county is very famous for lumino...

Ask questionByteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular

Padovan string, padovan string program in java // aakash , suraj , p...

padovan string program in java // aakash , suraj , prem sasi kumar kamaraj college program 1 : package test.padovanstring; public class PadovanString { publ

Store first n natural no in a file - c program, Program is to store first n...

Program is to store first n natural no in a file: Write a program to store first n natural no in a file void main() { fstream file; file.open("studen

Computes the amount of postage count even or odd, (a) Write a procedure (co...

(a) Write a procedure (count-even n) that counts the number of even digits in the decimal representation of the number n. For example, (count-even 234) should return 2. (b) Writ

Polar coordinates addition, one of the segments is showing compilation erro...

one of the segments is showing compilation error...

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages