#include <iostream>
#include <vector>

using namespace std;

void TEST1(vector <bool> *ptext, vector <bool> *key, vector <bool> *ctext) {

  int i;
  bool t[4];

    t[3] = (*ptext).at(0)^(*key).at(1);    
    t[2] = (*ptext).at(1)^(*key).at(0);    
    t[1] = (*ptext).at(2)^(*key).at(1);    
    t[0] = (*ptext).at(3)^(*key).at(0);    
  
    (*ctext).push_back(t[0] & t[1]);
    (*ctext).push_back(t[2] & t[3]);    
    //cout<<"ptext = "<<(*ptext).at(3)<<(*ptext).at(2)<<(*ptext).at(1)<<(*ptext).at(0)<<"\n";    
    //cout<<"key = "<<(*key).at(1)<<(*key).at(0)<<"\n";    
}

/******************************************************************/