18:01 Encrypt-decrypt text | |
| #include <iostream > using std :: cout; using std :: endl; void encrypt( char [ ] ); // prototypes of functions used in the code void decrypt( char * ePtr ); int main( ) { // create a string to encrypt char string[ ] = "this is a secret!"; cout << "Original string is: " << string << endl; encrypt( string ); // call to the function encrypt( ) cout << "Encrypted string is: " << string << endl; decrypt( string ); // call to the function decrypt( ) cout << "Decrypted string is: " << string << endl; return 0; }// main //encrypt data void encrypt (char e[] ) { for( int i=0; e[i] != '\0'; ++i ) ++e[i]; } // encrypt //decrypt data void decrypt( char * ePtr ) { for( ; * ePtr != '\0'; ++ ePtr ) --(* ePtr); } | |
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