[HaBo]

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


int main()
{int encrypted[400];
char a[4000],b[400000],c[400000];


int i;



cout<<"Bitte zu Verschlüsselnden Text eingeben"<<endl;

  cin.getline (a,256);

cout<<"Bitte key eingeben"<<endl;
  cin.getline (b,256);
strcat(c,b);

for(i=strlen(b);i<strlen(a);i=strlen(b))
{


strcat(b,c);// Wi gesagt hatte das prog nur schnell geschrieben , Buffer Overflow schutz ist nicht gemacht...

}
printf(" ----------------------\n The Key is : %s \n-----------------------",b);

printf("\n\n\nDEC plain:\n\n\n");
for(int i=0;i<strlen(a);i++)
{
  encrypted[i] = a[i] ; 

printf("%i ",encrypted[i]);
}

printf("\n\n\nVerschlüsselt\n\n\n");

for(int i=0;i<strlen(b);i++)
{
  encrypted[i] = a[i]^b[i] ; 
printf("%i ",encrypted[i]);
}//encryptet bekommt den Wert von

printf("\n");

printf("Decimal Plain decryptet: ");
for(int i=0;i<strlen(a);i++)
{int newd[4000];
 
newd[i] = encrypted[i] ^ b[i] ; 
  
printf("%d ",newd[i]);
}



return 0;
}

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


int main()
{

int verschluesselt[4000]={39,0,27,6,75,2,28,17,13,1,0,14,23,89,60,0,1,6,75,12,11,19,0,29,16,28,4,10,84,1,18,7,75,12,10,0,69,22,29,5,69,27,7,21,83,0,14,29,13,84,31,6,25,75,14,23,21,6,24,17,5,69,15,27,11,83,44,36,55,121};
int schluessel[4000];
int worte[4000]={83,101,104,114,32,103,101,101,104,114,116,101,114};

long i;


char key[4000];







for(long i=0;i<13;i++)
{
schluessel[i]=verschluesselt[i]^worte[i];
key[i]=schluessel[i];
cout<<key[i];
}
cout<<"\n"<<endl;




return 0;
}