Some kind of file hash generation

Hash.java

package awais;

import java.io.*;

public class Main {
	
	public static void main(String[] args) throws Exception {
		 File file = new File("C:\\Users\\AWAiS\\Desktop\\test");
		 FileInputStream is = new FileInputStream(file);
		 byte[] chunk = new byte[33];
		 int[] p1 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
		 int[] p2 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
		 char[] hash = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
		 while (is.read(chunk) != -1) {
			 for (int i=0; i<chunk.length; i++) {
				 p1[i] += (int) chunk[i];
				 p2[i] += (int) chunk[i];
			 }
		 }
		 for (int i=0; i<p2.length/2; i++) {
			 int temp = p2[i];
			 p2[i] = p2[p2.length-1-i];
			 p2[p2.length-1-i] = temp;
		 }
		 
		 for (int i=0; i<hash.length; i++) hash[i] = (char) (p1[i] + p2[i]);
		 for (int i=0; i<hash.length; i++) System.out.print((int)hash[i]);
		 
	}
}