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Selection.java
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Selection.java
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package cryptanalysis_gas;
/**
*
* @author Abdullah_PC
*/
public class Selection {
int indexofkey[];
int keywithsort[][];
int seleckey[][];
int seleckey2[][];
String selecplain[];
String selecplain2[];
public Selection(double[] Fitness,String[] PlainText,int[][] Key) {
indexofkey=new int[Key.length];
keywithsort=new int[Key.length][Key[0].length];
seleckey=new int[Key.length/2][Key[0].length];
seleckey2=new int[Key.length/2][Key[0].length];
selecplain=new String[PlainText.length/2];
selecplain2=new String[PlainText.length/2];
for(int i=Key.length-1;i>=0;i--)
indexofkey[i]=i;
Shell_Sort(Fitness,PlainText);
for(int i=0;i<Key.length;i++)
{
for(int j=0;j<Key[i].length;j++)
keywithsort[i][j]=Key[indexofkey[i]][j];
}
Selection_Method(PlainText);
Print(Fitness,PlainText);
}
private void Shell_Sort(double[] Fitness, String[] PlainText) {
int h=Fitness.length/2,z;
double x;
String y;
for(int i=h;i>=0;i--)
{
for(int j=0;i+j<Fitness.length;j++)
if(Fitness[j]>Fitness[j+i])
{
x=Fitness[j];
Fitness[j]=Fitness[j+i];
Fitness[i+j]=x;
y=PlainText[j];
PlainText[j]=PlainText[j+i];
PlainText[i+j]=y;
z=indexofkey[j];
indexofkey[j]=indexofkey[j+i];
indexofkey[i+j]=z;
}
}
}
private void Selection_Method(String[] PlainText) {
int k=0;
for(int i=PlainText.length-1; i>=PlainText.length/2 ;i--)
{
for(int j=0;j<seleckey2.length;j++){
seleckey[k][j]=keywithsort[i][j];
seleckey2[k][j]=keywithsort[i-seleckey2.length][j];
}
selecplain[k]=PlainText[i];
selecplain2[k]=PlainText[i-seleckey2.length];
k++;
}
}
private void Print(double[] Fitness, String[] PlainText) {
System.out.print("\n(Key With sort) (Plain text with sort) (Fitness Array with Sort)\n");
for(int i=Fitness.length-1;i>=0;i--){
for(int j=0;j<6;j++)
System.out.print(" "+keywithsort[i][j]+" ");
System.out.print(" "+PlainText[i]+" ");
System.out.print(" "+Fitness[i]+" ");
System.out.print("\n");
}
System.out.print("\n");
int k=Fitness.length-1;
for(int i=0;i<Fitness.length/2;i++){
for(int j=0;j<Fitness.length/2;j++)
System.out.print(" "+seleckey[i][j]+" ");
k--;
System.out.print("\n");
}
System.out.print("\n");
}
}