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
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![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 CAWINDOWSlsystem32\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%2F57116ad4-8874-40a1-882e-548dcc544d7e%2Fa3084e56-009d-4935-adea-b116aa4f32ce%2Ft7myz15n_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 CAWINDOWSlsystem32\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 .
![2. 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
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;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F57116ad4-8874-40a1-882e-548dcc544d7e%2Fa3084e56-009d-4935-adea-b116aa4f32ce%2Falygcao_processed.png&w=3840&q=75)
Transcribed Image Text:2. 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
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;
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