Write a simple encryption/decryption program. Function encrypt takes a character pointer as a parameter and uses pointer-subscript notation to change the value in the address pointed to by adding 1 to it. Function decrypt takes a character pointer as a parameter and uses pointer notation to change the value in the address pointed to by
Write a simple encryption/decryption program. Function encrypt takes a character pointer as a parameter and uses pointer-subscript notation to change the value in the address pointed to by adding 1 to it. Function decrypt takes a character pointer as a parameter and uses pointer notation to change the value in the address pointed to by
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
CODE IN C++ PLEASE....
![subtracting 1 from it. Function main calls functions encrypt and decrypt and prints the
encrypted string.
// A simple encryption/decryption program
#include "stdafx.h"
#include <iostream>
using namespace std;
// write the prototype for function encrypt
// write the prototype function decrypt
int main()
{
// create a string to encrypt
char string[] = "this is a secret!";
cout « "Original string is : "
« string <« endl;
encrypt(string);
cout « "Encrypted string is : " « string <« endl;
decrypt(string);
cout « "Decrypted string is : " «string<< endl;
return 0;
}
// encrypt data
void encrypt(char e[])
{
// Write implementation for function encrypt
} // end function encrypt
// decrypt data
void decrypt(char *ePtr)
{
// Write implementation for function decrypt
} // end function decrypt
Sample output
E CAWINDOWS\system32\cmd.exe
Original string is : this is a secret!
Encrypted string is : uijt!jt!b!tfdsfu"
Decrypted string is : this is a secret!
Press any key to continue . .](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9496fb66-15f0-4d2e-bc7e-ca3bb9b70577%2Fe8978ac4-8278-4f58-bd73-f7c2723995ec%2F7rrponc_processed.png&w=3840&q=75)
Transcribed Image Text:subtracting 1 from it. Function main calls functions encrypt and decrypt and prints the
encrypted string.
// A simple encryption/decryption program
#include "stdafx.h"
#include <iostream>
using namespace std;
// write the prototype for function encrypt
// write the prototype function decrypt
int main()
{
// create a string to encrypt
char string[] = "this is a secret!";
cout « "Original string is : "
« string <« endl;
encrypt(string);
cout « "Encrypted string is : " « string <« endl;
decrypt(string);
cout « "Decrypted string is : " «string<< endl;
return 0;
}
// encrypt data
void encrypt(char e[])
{
// Write implementation for function encrypt
} // end function encrypt
// decrypt data
void decrypt(char *ePtr)
{
// Write implementation for function decrypt
} // end function decrypt
Sample output
E CAWINDOWS\system32\cmd.exe
Original string is : this is a secret!
Encrypted string is : uijt!jt!b!tfdsfu"
Decrypted string is : this is a secret!
Press any key to continue . .

Transcribed Image Text:Write a simple encryption/decryption program. Function encrypt takes a character
pointer as a parameter and uses pointer-subscript notation to change the value in the
address pointed to by adding 1 to it. Function decrypt takes a character pointer as a
parameter and uses pointer notation to change the value in the address pointed to by
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