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

#c tokens, C tokens assignment

C tokens assignment

Record of student and calculating marks using ctotal, reocord of a student ...

reocord of a student and a function ctotal to calculate the marks of any three subject by using ctotal() function

Luminous Jewels - Polishing Necklace, Byteland county is very famous for lu...

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

C program for pattern star, 1 PETTERN1 (Pettern1.c) main() { ...

1 PETTERN1 (Pettern1.c) main() { int i,j,k=1,a; clrscr(); for(i=1;i { if(i>=3)

How can one "reopen" std::cin & std::cout in binary mode?, A: It is impleme...

A: It is implementation dependent. Verify with your compiler's documentation. For instance, assume you wish to do binary I/O using std::cin & std::cout. Unluckily there is no st

Write a program using a friend function, Using a Friend Using a friend ...

Using a Friend Using a friend function is quite easy. The following example explains a friend function to access members of two classes. class Bclass;

Define scope rules of c program - computer programming, Define Scope Rules ...

Define Scope Rules of C program - Computer Programming? The fundamental rule of scope is that identifiers are accessible only within the block in which they are declared and th

Flow chart of volume of sphere, flow chart of volume of sphere

flow chart of volume of sphere

Program to compare the two dates given by the user, THIS PROGRAM IS TO COM...

THIS PROGRAM IS TO COMPARE THE TWO DATES GIVEN BY THE USER #include #include #include struct date { int dd; int mm; int yy; }; date compare(date d1,date d2) {

Strings, A string S is said to be "Super ASCII", if it contains the charact...

A string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the asci

Write Your Message!

Name

Email id

Message

Verfication Code

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages