import java.security.*;
import java.math.*;
import java.io.*;

public class MD5 {
  public static void main(String args[]) throws Exception{
     String p = new String();
     String s = new String();
     System.out.print("Wprowadz sciezke pliku: ");
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            p = br.readLine();
            FileReader fr = new FileReader(p);
            BufferedReader in=new BufferedReader (fr);
            s = in.readLine();
            } catch(IOException e) {
                    System.out.println("IOException");
                }
      MessageDigest m=MessageDigest.getInstance("MD5");
      m.update(s.getBytes(),0,s.length());
      System.out.println("Hasz pliku '" + p + "' w MD5: "+new BigInteger(1,m.digest()).toString(16));
   }
}