ENKRIPSI SEDERHANA

#include <cstdlib>
#include <iostream>
#include <math.h>
#include <string.h>
using namespace std;

int main(int argc, char *argv[])
{
char plain[100];
char chiper[100];
int key;

cout<<”masukkan kata :”;
cin>>plain;
cout<<”masukkan jumlah enkripsi :”;
cin>>key;
cout<<endl;
for(int i=0;i<strlen(plain);i++)
{
//ut<<plain[i]<<”(“<<int(plain[i])<<”)”;
chiper[i]=(plain[i]+key)%128;
}

for(int i=0;i<strlen(chiper);i++)
{
cout<<endl;
cout<<chiper[i];
}
cout<<endl;

cout<<”deskripsi”;
for(int i=0;i<strlen(chiper);i++)
{
//cout<<plain[i]<<”(“<<int(plain[i])<<”)”;
plain[i]=(chiper[i]-key)%128;
}

for(int i=0;i<strlen(plain);i++)
{
cout<<endl;
cout<<plain[i];
}

cout<<endl;
system(“PAUSE”);
return EXIT_SUCCESS;
}