import java.io.InputStream;
import java.math.BigInteger;
import java.net.URL;
import java.security.MessageDigest;
import java.util.Arrays;
public class Main {
public static void main(String[] args) throws Exception {
URL u = new URL("http://www.google.com");
InputStream in = u.openStream();
MessageDigest sha = MessageDigest.getInstance("SHA");
byte[] data = new byte[1024];
int bytesRead = -1;
while ((bytesRead = in.read(data)) >= 0) {
sha.update(data, 0, bytesRead);
}
byte[] result = sha.digest();
System.out.println(Arrays.toString(result));
System.out.println(new BigInteger(result));
}
}