DO NOT USE THIS CODE. THIS CODE IS USED TO DEMONSTRATE A VULNERABILITY IN A SOLIDITY CODE.

EncryptionContract.sol

import "Rot13Encryption.sol";
// encrypt your top secret info
contract EncryptionContract {
    // library for encryption
    Rot13Encryption encryptionLibrary;
        
    // constructor - initialise the library
    constructor(Rot13Encryption _encryptionLibrary) {
        encryptionLibrary = _encryptionLibrary;
    }
    
    function encryptPrivateData(string privateInfo) {
        // potentially do some operations here
        encryptionLibrary.rot13Encrypt(privateInfo);
     }
 }